CN101737729A

CN101737729A - Illuminating system

Info

Publication number: CN101737729A
Application number: CN200810171061A
Authority: CN
Inventors: 姜雅惠; 萧正达; 胡鸿烈; 杜冠洁
Original assignee: Industrial Technology Research Institute ITRI
Current assignee: Industrial Technology Research Institute ITRI
Priority date: 2008-11-06
Filing date: 2008-11-06
Publication date: 2010-06-16
Anticipated expiration: 2028-11-06
Also published as: CN101737729B

Abstract

The invention discloses an illuminating system, which comprises a plurality of illuminating units, a projection regulating module and a focus regulating module, wherein the projection regulating module is used for changing the projection shapes of the rays of the plurality of illuminating units and the focus regulating module is used for changing the focusing positions of the plurality of illuminating units so as to change the projection shapes of the rays and the focusing positions.

Description

Illuminator

Technical field

The present invention relates to a kind of illuminator, particularly relate to the illuminator in many lamps source.

Background technology

Traditional operating lamp is that light source is arranged in the big reflector, and this big reflector is to cut into a plurality of small reflectors, and light reaches the requirement of no shadow via these a plurality of small reflectors reflections, and moves up and down and change focal position at single light source.

Summary of the invention

One embodiment of illuminator of the present invention comprises one first lighting module and one second lighting module.First lighting module comprises a plurality of first lighting units, with an axis be the center and relatively the configuration, each first lighting unit comprises at least one first light source and at least one first reflector and one the 3rd reflector, light from first light source produces a projection shape by first reflector or/and the 3rd reflector reflection back, the light of these a plurality of first lighting units converges at one first focus, first focus is positioned on the axis, change this projection shape by the distance that changes this first reflector and this first light source, change the position of first focus by the angle that changes this first lighting unit and this axis; Second lighting module comprises a plurality of second lighting units, with an axis be the center and relatively the configuration, each second lighting unit comprises at least one secondary light source and at least one second reflector and one the 4th reflector, light from secondary light source produces a projection shape by second reflector or/and the 4th reflector reflection back, the light of these a plurality of first lighting units converges at one second focus, second focus is positioned on the axis, changes the position of second focus by the distance that changes second lighting unit and axis.

For the present invention can be become apparent, embodiment cited below particularly, and cooperate appended diagram, be described in detail below:

Description of drawings

Fig. 1 is the stereogram of the illuminator of the embodiment of the invention;

Fig. 2 a is the stereogram of first lighting unit of the embodiment of the invention;

Fig. 2 b is the cutaway view of Fig. 2 a along the A-A line;

Fig. 3 is the cutaway view of second lighting unit of the embodiment of the invention;

Fig. 4 a is the side view of the projection adjusting module of the embodiment of the invention;

Fig. 4 b is the enlarged drawing of the A part of Fig. 4 a;

Fig. 5 is the schematic diagram of the projection shape adjustments module of the embodiment of the invention;

Fig. 6 is the schematic diagram of the focusing adjusting module of the embodiment of the invention;

Fig. 7 is the schematic diagram of the bonding state of the focus module cam of another embodiment of the present invention and push rod.

The main element symbol description

1000～lighting device

100～the first lighting modules

200～the second lighting modules

300～projection adjusting module

400～focusing adjusting module

120～the first lighting units

122～the first light sources

124～the first reflectors

126～the first outer covers

127～horizontal concrete chute

128～longitudinal groove

129～slide-bar

220～the second lighting units

222～secondary light source

224～the second reflectors

226～the second outer covers

227～vertically chutes

228～lateral trench

301～adjustment handle

302～lift shaft

303～C shape clasp

304～fixed disk

310～lift elements

320～connector

312～central portion

314～lifting arm

410～rotating cylinder

420～the first cams

430～the second cams

440～slide bar

450～push rod

460～slide block

470～spring

500～limited part

501～banking pin

503～slotted eye

18～housing

L～axis

The specific embodiment

Fig. 1 is the stereogram of the lighting device of the embodiment of the invention.The lighting device 1000 of the embodiment of the invention comprises that one first lighting module 100, one second lighting module 200, a projection adjusting module 300 and focus on adjusting module 400.

First lighting module 100 comprises that a plurality of first lighting units 120 are (for making the accompanying drawing simplification, only represent one first lighting unit), with an axis L be the center and relatively the configuration, each first lighting unit 120 is (as Fig. 2 a, shown in Fig. 2 b) comprise a plurality of first light sources 122, a plurality of first reflectors 124, a plurality of the 3rd reflectors 125 and one first outer cover 126, first reflector 124 is installed on a connection piece 320 (aftermentioned), and first light source 122 is connected on first outer cover 126 via an installing plate B, the 3rd reflector 125 also is located on the installing plate B, and be located near first light source 122, form a projection shape from the light of first light source 122 by this first reflector 124 or/and 125 reflections of the 3rd reflector.

Second lighting module 200 comprises that a plurality of second lighting units 220 are (for making the accompanying drawing simplification, only represent one second lighting unit), with an axis L be the center and relatively the configuration, each second lighting unit 220 (shown in Figure 3) comprises a plurality of secondary light sources 222, a plurality of second reflector 224, a plurality of the 4th reflector 225 and one second outer cover 226, and secondary light source 222, second reflector 224 and the 4th reflector 225 all are installed on second outer cover 226.

In order to adjust the projection shape of light, be provided with projection adjusting module 300, it is linked to first lighting module 100, can adjust the distance of first light source 122 and first reflector 124 in each first lighting unit 120, changes the projection shape of light thus.Being configured in the later paragraph of adjusting module 300 of projection can be described in detail.

In order to change the focal position of light, be provided with and focus on adjusting module 400, focus on adjusting module 400 and be linked to first lighting module 100 and second lighting module 200, can adjust this a plurality of first lighting units 120 and this a plurality of second lighting units 220, change the angle of first lighting unit 120 or/and second lighting unit 220 and axis L and change the focal position (first focus) of first lighting unit 120 or/and the focal position (second focus) of second lighting unit 220.Focusing on being configured in the later paragraph of adjusting module 400 can be described in detail.

As mentioned above, illuminator 1000 of the present invention utilizes projection adjusting module 300 to change the projection shape of light, and utilizes focusing adjusting module 400 to adjust the position that changes light focusing.Projection adjusting module 300 and the structure that focuses on adjusting module 400 below are described respectively.

Projection adjusting module 300 shown in Fig. 4 a, comprises that one adjusts handle 301, a lift shaft 302, a fixed disk 304, a lift elements 310 and a connection piece 320.Adjusting handle 301 is connected with lift shaft 302, lift shaft 302 is positioned on the axis L, lift shaft 302 is positioned (shown in Fig. 4 b) on the fixed disk 304 with a C shape clasp 303, and fixed disk 304 is fixed on the housing 18, end in lift shaft 302 forms male screw portion, and the box thread at male screw portion and lift elements 310 centers screws togather.As shown in Figure 5, lift elements 310 comprises a central portion 312 and many lifting arms 314, stretches out from central portion 312, and central portion 312 comprises a center screw 313, and it has box thread, screws togather with the male thread of lift shaft 302, shown in Fig. 4 b.The end of lifting arm 314 is embedded in the chute 321 of connector 320, shown in Fig. 4 a.When handle 301 is adjusted in rotation, lift shaft 302 is rotated and lift elements 310 is moved up and down, so lifting arm 314 can move up and down, driving connector 320 moves up and down, and connector 320 is embedded in the slide-bar 129, and first reflector 124 in first lighting unit 120 is installed on the connector 320, and first reflector 124 like this can move up and down and changes the distance of first light source 122 and first reflector 124 along optical axis along with connector 320, and then changes the projection shape of light.

Fig. 6 represents to focus on the structure of adjusting module 400.Focus on adjusting module 400 and comprise that a rotating cylinder 410, first cam 420, second cam 430, many slide bars 440 (are eight in the present embodiment, four are used for first lighting module 100, four are used for second lighting module 200), many push rods 450 (are eight in the present embodiment, four are used for 100, four of first lighting modules and are used for second lighting module 200), a plurality of slide block 460 (being eight in the present embodiment) and a plurality of spring 470 (being eight in the present embodiment).

The axis of rotation of rotating cylinder 410 overlaps with axis L, first cam 420 and second cam 430 are socketed on the periphery of rotating cylinder 410, correspond respectively to first lighting module 100 and second lighting module 200, one end of push rod 450 is connected to first cam 420 and second cam 430 respectively, the other end is embedded in vertical chute 228 of the vertical chute 128 of first outer cover 126 or second outer cover 226 (with reference to Fig. 2 a, Fig. 2 b, Fig. 3), one end of slide bar 440 is fixed on the housing 18, slide block 460 is located on the slide bar 440 slidably, the other end at slide bar 440 has a junction 442, and connecting portion 442 is embedded in lateral trench 127 on first outer cover 126 or the lateral trench 227 on second outer cover 226 slidably (with reference to Fig. 2 a, Fig. 3).Spring 470 is located between slide block 460 and the connecting portion 442, and push rod 450 also is connected in slide block 460, and the other end of push rod 450 is connected in first outer cover 126 or second outer cover 226.Spring 470 is biased in slide block 460, makes an end of push rod 450 keep being connected to first cam 420 or second cam 430 thus.

When rotating cylinder 410 rotations, first cam 420 and second cam 430 be rotation thereupon also, rotation by first cam 420 and second cam 430, push rod 450 is moved forward and backward, the other end of push rod 450 is shifted the sidewall of vertical chute 128,228 onto, first outer cover 126 or second outer cover 226 are opened or closure, because horizontal concrete chute 127,227 can be circular arc, therefore first outer cover 126 or second outer cover 226 can move sleekly.

Be provided with the limited part 500 of a ring-type in addition in the inboard of housing 18, on the limited part 500 of ring-type, form the slotted eye 503 of arc, banking pin 501 is connected on the rotating cylinder 410, banking pin 501 is embedded in the slotted eye 503 slidably, when rotating cylinder 410 rotation, be connected to the sidewall of slotted eye and can limit the rotation of rotating cylinder 410 by banking pin 501.

Fig. 7 represents the part enlarged drawing of another embodiment of the present invention.To be in the structure of first cam 420 ' and second cam 430 ' and Fig. 6 the structure of first cam 420 and second cam 430 different with the embodiment of Fig. 1～shown in Figure 6 different in the embodiment shown in fig. 7.

First cam 420 ' is provided with a plurality of chutes 421 ', second cam 430 ' is provided with a plurality of chutes 431 ', one end of push rod 450 is provided with guiding element 451, guiding element 451 is embedded in chute 421 ' and 431 ' slidably, when first cam 420 ' and the 430 ' rotation of second cam, guiding element 451 can be done relative slip with chute 421 ' and 431 ', because chute 421 ' and 431 ' is oblique configuration, therefore when first cam 420 ' and the 430 ' rotation of second cam, do relative slip by guiding element 451 with chute 421 ' and 431 ', push rod 450 is moved forward and backward, in the present embodiment, because push rod 450 is incorporated into first cam 420 ' and second cam 430 ' by guiding element 451, the spring 470 among the embodiment therefore shown in Figure 6 can not need.

Embodiments of the invention provide a kind of illuminator, can change focal position by mobile simultaneously multiple sets of light sources, and can change the projection shape of light on same focal position.

Though disclosed the present invention in conjunction with above embodiment; yet it is not in order to limiting the present invention, anyly is familiar with this operator, without departing from the spirit and scope of the present invention; can do a little change and retouching, thus protection scope of the present invention should with enclose claim was defined is as the criterion.

Claims

1. illuminator comprises:

First lighting module, comprise a plurality of first lighting units, with an axis be the center and relatively the configuration, each first lighting unit comprises at least one first light source and at least one first reflector and one the 3rd reflector, light from this first light source produces a projection shape by this first reflector or/and the 3rd reflector reflection back, the light of these a plurality of first lighting units converges at one first focus, this first focus is positioned on this axis, change this projection shape by the distance that changes this first reflector and this first light source, change the position of first focus by the angle that changes this first lighting unit and this axis; And

Second lighting module, comprise a plurality of second lighting units, with this axis be the center and relatively the configuration, each second lighting unit comprises at least one secondary light source and at least one second reflector and one the 4th reflector, light from this secondary light source produces a projection shape by this second reflector or/and the 4th reflector reflection back, the light of these a plurality of second lighting units converges at one second focus, this second focus is positioned on this axis, changes the position of second focus by the distance that changes this second lighting unit and this axis.

2. illuminator as claimed in claim 1, it comprises that also a projection adjusting module and focuses on adjusting module, wherein this projection adjusting module is incorporated into this first lighting unit, change the distance of this first reflector and this first light source, throw shape and change, this focus module is linked to this first lighting unit and this second lighting unit, change the distance of the distance of this first lighting unit and this axis or/and this second lighting unit and this axis, change the position of this first focus or/and this second focus thus.

3. illuminator as claimed in claim 2, wherein this projection adjusting module comprises:

Lift shaft is positioned on this axis;

Lift elements is incorporated into this first reflectors of this lift shaft and these a plurality of first lighting units, and when this lift shaft rotation, this lift elements is done straight line and moved, and drives this first reflector and move, and changes the distance of this first reflector and this first light source.

4. illuminator as claimed in claim 3, wherein this lift elements has a box thread portion, and this lift shaft has a male screw portion, this projection adjusting module also comprises a fixed cap, this lift shaft is positioned on this fixed cap, make this male screw portion keep rotatably being incorporated into this box thread portion, this lift shaft rotation and drive this lift elements and do straight line and move.

5. illuminator as claimed in claim 3, wherein this lift elements has a central portion and many lifting arms, and these a plurality of lifting arms stretch out from this central portion, and are incorporated into this first reflector of these a plurality of first lighting units.

6. illuminator as claimed in claim 3, wherein this projection adjusting module also comprises a plurality of connectors, connects this lifting arm and this first reflector, and this connector is provided with a chute, and the end of this lifting arm is embedded in this chute slidably.

7. illuminator as claimed in claim 3, it also comprises a housing, throws adjusting module and should focus on adjusting module around this, wherein this focusing adjusting module comprises:

Rotating cylinder is positioned on this axis, the axle center of this rotating cylinder and this dead in line;

First cam is formed at the periphery of this rotating cylinder, corresponding to this first lighting unit;

Second cam is formed at the periphery of this rotating cylinder, corresponding to this second lighting unit;

Many push rods, one end butt of each push rod or be embedded in this first cam or this second cam, the other end is incorporated into this first lighting unit or this second lighting unit, wherein when this rotating cylinder rotation, drive the rotation of this first cam and this second cam, this push rod is moved and change the angle of this first lighting unit and this second lighting unit and this axis.

8. illuminator as claimed in claim 7, wherein this focusing adjusting module also comprises:

Many slide bars, an end of each slide bar is fixed in this housing;

A plurality of slide blocks are fixed in this a plurality of push rods, and can slide on these a plurality of slide bars;

A plurality of flexible members are located at respectively on these a plurality of slide bars, are biased in this slide block, make this end of these a plurality of push rods keep butt or be embedded in this first cam and this second cam.

9. illuminator as claimed in claim 8, wherein this first lighting unit also comprises one first outer cover, cover this first reflector, the 3rd reflector and this first light source, this first light source is installed on this first outer cover, second lighting unit also comprises one second outer cover, cover this second reflector, the 4th reflector and this secondary light source, this second reflector and this secondary light source are installed on this second outer cover.

10. illuminator as claimed in claim 9, wherein this second outer cover comprises a vertical chute and a horizontal concrete chute, the other end of this push rod is embedded in this vertical chute slidably, and the other end of this slide bar is embedded in this horizontal concrete chute slidably, and this vertical chute is vertical with the moving direction of this push rod.

11. illuminator as claimed in claim 10, wherein this horizontal concrete chute is circular-arc, when this push rod moved and promotes the wall of this vertical chute, the other end of this second outer cover by horizontal concrete chute and this slide bar chimeric and mobile changed the distance of this second lighting unit and this axis.

12. illuminator as claimed in claim 9, wherein this first outer cover comprises a vertical chute and a horizontal concrete chute, the other end of this push rod is embedded in this vertical chute slidably, and the other end of this slide bar is embedded in this horizontal concrete chute slidably, and this vertical chute is vertical with the moving direction of this push rod.

13. illuminator as claimed in claim 12, wherein this horizontal concrete chute is circular-arc, when this push rod moved and promotes the wall of this vertical chute, the other end of this first outer cover by horizontal concrete chute and this slide bar chimeric and mobile changed the distance of this first lighting unit and this axis.

14. illuminator as claimed in claim 2, it also comprises a housing, throws adjusting module and should focus on adjusting module around this, and wherein this focusing adjusting module comprises:

Many push rods, one end butt of each push rod or be embedded in this first cam and this second cam, the other end is incorporated into this first lighting unit and this second lighting unit, wherein when this rotating cylinder rotation, drive the rotation of this first cam and this second cam, this push rod is moved and change the angle of this first lighting unit and this second lighting unit and this axis.

15. illuminator as claimed in claim 14, wherein this focusing adjusting module also comprises:

Many slide bars, an end of each slide bar is fixed in this housing;

16. illuminator as claimed in claim 15, wherein this first lighting unit also comprises one first outer cover, cover this first reflector, the 3rd reflector and this first light source, this first reflector is installed on this first outer cover, second lighting unit also comprises one second outer cover, cover this second reflector and this secondary light source, this second reflector and this secondary light source are installed on this second outer cover.

17. illuminator as claimed in claim 16, wherein this second outer cover comprises a vertical chute and a horizontal concrete chute, the other end of this push rod is embedded in this vertical chute slidably, and the other end of this slide bar is embedded in this horizontal concrete chute slidably, and this vertical chute is vertical with the moving direction of this push rod.

18. illuminator as claimed in claim 17, wherein this horizontal concrete chute is circular-arc, when this push rod moved and promotes the wall of this vertical chute, the other end of this second outer cover by horizontal concrete chute and this slide bar chimeric and mobile changed the distance of this second lighting unit and this axis.

19. illuminator as claimed in claim 2, it also comprises a housing, throws adjusting module and should focus on adjusting module around this, and wherein this focusing adjusting module comprises:

First cam is formed at the periphery of this rotating cylinder, has a plurality of first chutes, corresponding to this first lighting unit;

Second cam is formed at the periphery of this rotating cylinder, has a plurality of second chutes, corresponding to this second lighting unit;

Many push rods, one end of each push rod has a guiding element, this guiding element is incorporated into this first chute or this second chute slidably, the other end is incorporated into this first lighting unit or this second lighting unit, wherein when this rotating cylinder rotation, drive the rotation of this first cam and this second cam, this push rod is moved and change the angle of this first lighting unit and this second lighting unit and this axis.

20. illuminator as claimed in claim 2, wherein this focusing adjusting module also comprises:

Many slide bars, an end of each slide bar is fixed in this housing;

A plurality of slide blocks are fixed in this a plurality of push rods, and can slide on these a plurality of slide bars.