Convenient for the high photosynthetic efficiency stage lighting light path system of lighting
Technical field
The utility model relates to stage lighting fields, more particularly to a kind of high photosynthetic efficiency stage lighting optical path system convenient for lighting
System.
Background technique
At present in world wide, the stage computer lamp of all principal illumination stages, including HID light source and LED light source, light
Utilization rate is all relatively low, and the light of the lamps and lanterns output of HID light source accounts for 20 ~ 30% or so of light source total light yield, the lamps and lanterns of LED light source
The light of output accounts for the 30 ~ 50% of light source total light yield, and light distribution of the light of output in vertical optical path plane is all that center is bright, all
Slightly dark round hot spot is enclosed, as shown in Figure 9.So, since the direct hot spot of stage lighting offer is when carrying out stage cloth light now
It is circular, it can only be constantly overlapped docking by multiple round hot spots, probably reached using illumination and uniformity demand, and be laid out light
Spot difficulty is big, undoubtedly causes the waste of lamps and lanterns in this way.
Well known, in actual demand, stage either what shape, the region for really needing accent light is substantially cross
Have all size (such as 5-50 meters or even 100 meters) to width with stage width, height is all in the class of 3 meters or so (at most 4 meters)
Rectangular area is mainly used to illuminate personage and scene, and the stage lighting for justifying hot spot as a result, is actually in lighting
Gradually fall behind.
There is cutting lamp in the recent period, inside have more complicated hot spot diced system, can be the circle of original output
Hot spot is cut into arbitrary quadrilateral.Single lamps and lanterns obtain rectangular light spot, but pass through cutting, cause the utilization rate of light further
It reduces, substantially, loses 30% or more again on the basis of circular light spot.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of high photosynthetic efficiency stage lighting light path system convenient for lighting,
It is energy saving and keep original brightness, and greatly simplify lighting difficulty.
The technical scheme adopted by the utility model is
A kind of high photosynthetic efficiency stage lighting light path system convenient for lighting, including the light source module group, logical being sequentially arranged along primary optical axis
Unthreaded hole and optical lens group are provided with hot spot tune shape structure between the light source module group and light hole, from light source module group project into
The round light beam entered passes through the flat-shaped hot spot for being projected as having long axis and short axle after hot spot tune shape structure outgoing.
The flat-shaped hot spot is rectangular light spot, class rectangle hot spot, ellipse-shaped light as a further improvement of the utility model,
The one of which of spot.
There is the hot spot tune shape structure the radial of light beam circular projection face to draw as a further improvement of the utility model,
Long part and/or radial compression part.
The radial elongation part, radial compression part are respectively monolithic as a further improvement of the utility model,
Lens or it is described it is radial elongate part and radial compression be partially in same lens and radial compression with radially elongate
Direction is vertical, or as the lens of the radial monolithic for elongating part and the lens of the monolithic as radial compression part along key light
Axis is sequentially arranged and radial compression is vertical with the direction radially elongated.
As a further improvement of the utility model, the lens as the monolithic of radial compression part include the plane of incidence and with
One of them of the opposite exit facet of the plane of incidence, the plane of incidence or exit facet are plane, another is outwardly projecting arc
Face, along the radian uniformity of the length direction cambered surface of the lens.
As a further improvement of the utility model, the lens as the monolithic of radial drawing part include the plane of incidence and with
One of them of the opposite exit facet of the plane of incidence, the plane of incidence of radial drawing part or exit facet are plane, another be to
Interior recessed cambered surface, along the radian uniformity of the length direction cambered surface of the lens.
The radial part of elongating in the lens of monolithic has in the same plane as a further improvement of the utility model,
Two vertical elongation directions, the radial compression part in the lens of monolithic has two vertical pressures in the same plane
Contracting direction.
It as a further improvement of the utility model, further include that hot spot tune shape structure can be driven to cut or remove primary optical axis
Driving structure.
It is provided with that can allow can between the light source module group and hot spot tune shape structure as a further improvement of the utility model,
The light-exposed heat insulation structural penetrated.
The heat insulation structural includes the plated film of heat reflection and transmission visible light as a further improvement of the utility model,
The plated film is connected to hot spot tune shape structure and separates towards the surface of light source module group or the plated film with hot spot tune shape structure.
The beneficial effects of the utility model are: the utility model makes light beam without blocking by setting hot spot tune shape structure
Flat-shaped hot spot output can be formed, so that the output light of lamps and lanterns is easy to be applied, and greatly improves cloth light efficiency, energy
Enough significantly improve the light utilization efficiency of current stage lighting light source module group.
Detailed description of the invention
The present invention will be further described with embodiment with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram figure of stage lighting light path system;
Fig. 2 is the schematic diagram of hot spot tune shape structure first embodiment;
Fig. 3 is the schematic diagram of hot spot tune shape structure second embodiment;
Fig. 4 is the schematic diagram of hot spot tune shape structure 3rd embodiment;
Fig. 5 is the schematic diagram of hot spot tune shape structure fourth embodiment;
Fig. 6 is A-A cross-sectional view and index path in Fig. 5;
Fig. 7 is B-B cross-sectional view and index path in Fig. 6
Fig. 8 is the schematic diagram of hot spot tune shape structure fourth embodiment;
Fig. 9 is round light beam stage lighting projection schematic diagram;
Figure 10 is the flat-shaped dot projection schematic diagram of embodiment.
Specific embodiment
Such as the high photosynthetic efficiency stage lighting light path system convenient for lighting of Fig. 1, including the light source module group being sequentially arranged along primary optical axis
1, light hole 2 and optical lens group.Wherein optical lens group includes the focusing lens group 4 being sequentially arranged, amasthenic lens group 5 and consolidates
Determine lens group 6.Light source module group 1 includes reflector and the LED or burnt positioned at reflector first at the first focal length of reflector
HID away from place.
Hot spot tune shape structure 3, the optical axis and primary optical axis of hot spot tune shape structure 3 are provided between light source module group 1 and light hole 2
It is overlapped, effect is to adjust the perspective plane shape that the perspective plane that light source module group 1 projects is circular light beam.It is thrown from light source module group 1
The perspective plane injected is that round light beam is projected as flat-shaped hot spot after the outgoing of hot spot tune shape structure 3.It is readily comprehensible, it is flat
Shaped laser spot can for rectangular light spot, class rectangle hot spot, elliptical spot one of which, as long as a certain symmetrical shape and being
The shape that should belong to flat-shaped hot spot with long axis and short axle.
Use above-mentioned light path system can be in the following manner for stage lighting, the light beam of light source module group 1 enters optics
Perspective plane is adjusted to using hot spot tune shape structure 3 before lens group to pass through light hole after flat-shaped light beam again for circular light beam
2, while light hole is adjusted to adapt to the flat-shaped of light beam projecting face, the light beam being emitted from optical lens group is on the projection surface
For flat-shaped hot spot.So refer to Figure 10, when multiple parallel hot spots are projected in stage simultaneously, the covering without mutual large area
To fill up the notch between circular light spot, to substantially increase the convenience of lighting.
In the scheme of the lighting, there is no similar cutting members for the movement road of light beam during adjustment spot projection shape
Or this article to shut out the light of baffle, it that is to say that light beam integral part is only deformation, and not lose, therefore relative to
For existing hot spot diced system, the light source module group of embodiment and the light utilization efficiency of light path system are significantly improved.
Perspective plane is that at least one of elongation, radial compression of the circular hot spot by radial direction carries out tune shape.It is specific next
Say, hot spot tune shape structure 3 have it is radial elongate part, radial compression part at least one of, radial part of elongating is used for
The circular projection face of projection light beam thereon is elongated in the radial direction circular, so that new perspective plane has long axis, short
Axis and appear as flat-shaped;Similarly, radial compression part is used to project the circular projection face of light beam thereon in circular diameter
To on direction compress shorten so that new perspective plane have long axis, short axle and appear as flat-shaped.In a preferred embodiment, light
Spot tune shape structure 3 has radial elongation part and radial compression part simultaneously, at this point, radial compression and the direction radially elongated are not
Together.
Refering to what is shown in Fig. 2, the radial compression part of hot spot tune shape structure 3 is the lens of monolithic.The lens of the monolithic include
The plane of incidence, the exit facet opposite with the plane of incidence.The plane of incidence is a plane, and exit facet is outwardly projecting cambered surface, along the lens
Length direction cambered surface radian uniformity.Primary optical axis is set as z-axis, light beam enters the original based on convex lens after the lens
Reason, compresses in the x-direction, is formed in the short axle in the direction x, and constant in the y-direction, forms the long axis in the direction y.In addition and it is not shown
Embodiment in, exit facet and the plane of incidence are just on the contrary, i.e. exit facet is plane.
Refering to what is shown in Fig. 3, the radial drawing part of hot spot tune shape structure 3 is the lens of monolithic.The lens include the plane of incidence
The exit facet opposite with the plane of incidence.The plane of incidence is the cambered surface being recessed in one, and exit facet is plane, along the length side of the lens
To the radian uniformity of cambered surface.Primary optical axis is set as z-axis, light beam enters the principle based on concavees lens after the lens, along the side y
To stretching, it is formed in the long axis in the direction y, and it is constant in the x-direction, form the short axle in the direction x.In addition and embodiment (not shown)
In, exit facet and the plane of incidence are just on the contrary, i.e. exit facet is the cambered surface being inwardly recessed.
Refering to what is shown in Fig. 4, hot spot tune shape structure 3 includes two pieces of lens being sequentially arranged along key light axis direction, this two pieces thoroughly
Mirror is respectively the lens of Fig. 2 and Fig. 3, therefore the perspective plane of its final outgoing beam is compressed in the x-direction, the direction y stretches, and the two is drawn
The direction stretch, compressed is vertical, for individual two pieces of lens swaging at hot spot it is more flat.
With reference to shown in Fig. 5 to Fig. 7, hot spot tune shape structure 3 includes the lens of monolithic, and the radial compression part in lens has
Two compression directions in the same plane.The exit facet or the plane of incidence of the lens are the cambered surface outwardly protruded, in the direction x and
Radian is respectively provided on the direction y but radian difference, therefore, in the x direction, light beam is compressed based on the principle of convex lens, in the side y
Upwards, light beam is compressed based on the principle of convex lens, but decrement has differences with the direction x, and the hot spot being consequently formed is also flat
The hot spot of shape, for the light beam because concentrating very much, brightness is very high.
Similarly, in addition and in embodiment (not shown), the radial part of elongating in the lens of monolithic has same flat
Two elongation directions on face, only at this point, the exit facet or the plane of incidence of the lens are the cambered surface being inwardly recessed.
Refering to what is shown in Fig. 8, hot spot tune shape structure 3 includes the lens of monolithic, it is radial to elongate partially and at radial compression part
In same lens and radial compression is vertical with the direction radially elongated.The lens can be the knot of two kinds of lens of Fig. 2 and Fig. 3
It closes, for example the plane of incidence is the inner concave arc surface of Fig. 3, exit facet is the outer convex globoidal of Fig. 2, can compress and draw with the direction y in the x-direction
It stretches.
It is further preferred that further including ID driving structure not shown in system, the driving structure is for driving hot spot tune shape
The incision of structure 3 removes primary optical axis, to increase the functionality of system light path, obtains the optional effect of optimization of dynamic.Such as it will
The radial one of incision primary optical axis for elongating part, radial compression part, to form flat-shaped hot spot, and after removing primary optical axis
System can restore the output of circular light spot.
In other preferred embodiment, radial elongation part and/or radial compression are partially in the same lens
In the case of, it can also be cut using driving structure, remove operation.
In a further embodiment, with separated radial elongation part and radial compression part, driving structure in system
The one of incision of driving removes primary optical axis, enables the system to according to actual needs in different direction elongations, compression.
In other embodiment, partially driven with radial compression part, driving structure in system with separated radial elongate
It is both dynamic to cut simultaneously, remove primary optical axis.
Above-mentioned driving structure preferably rotates lenz disc.
Based on any of the above embodiments, the shape of light hole 2 is also modified as being adapted to the output of hot spot tune shape structure 3
Light beam it is flat-shaped.
Stage lighting light path system in embodiment also has heat insulation structural, and heat insulation structural is located at light source module group 1 and hot spot tune
Between shape structure 3.Heat insulation structural is made of the material that visible light can penetrate, and is capable of reflecting light infrared band light in the spectrum of source
Line, to play the role of heat being separated protection subsequent optical lens group and other lamp assemblies.
It is further preferred that above-mentioned heat insulation structural includes heat shield 7, the heat shield 7 and light referring again to Fig. 1
Spot tune shape structure 3 is separation, is had towards the surface of light source module group 1 and towards the surface of hot spot tune shape structure 3, wherein
Heat-insulated plated film is equipped with towards the surface of light source module group 1.Heat-insulated plated film can heat reflection and through visible light, can be used to anti-
Infrared band light in light source light spectrum is penetrated, so that heat be played the role of to separate.
It is further preferred that heat shield 7 inclination and with optical axis at 85 degree of acute angles below.Dotted arrow shown in figure is
The situation that infrared part in light is reflected back in general, heat shield out of plumb primary optical axis is placed, but tilts centainly
Angle alleviates the excessive calcination light source luminescent area of the infrared ray reflected in order to preferably control the direction of the heat of reflection
Domain.
And embodiment (not shown) in, heat insulation structural is heat-insulated plated film without heat shield, which sets
In hot spot tune shape structure 3 towards on the surface of light source module group 1, this structure can more save the interior spatial structure and drop of system
Low cost.
The above is the utility model preferred embodiment, is not constituted to scope of protection of the utility model
Limitation.