CN204437739U

CN204437739U - Led stage lamp light path system

Info

Publication number: CN204437739U
Application number: CN201420778133.7U
Authority: CN
Inventors: 陈志曼
Original assignee: Guangzhou Yajiang Photoelectric Equipment Co Ltd
Current assignee: Guangzhou Yajiang Photoelectric Equipment Co Ltd
Priority date: 2014-12-11
Filing date: 2014-12-11
Publication date: 2015-07-01
Anticipated expiration: 2024-12-11

Abstract

A kind of LED stage lamp light path system, comprises LED light source, beam condensing unit, imaging device and imaging pattern; Described LED light source comprises in symmetrically arranged first LED chip and the second LED chip up and down; Described beam condensing unit comprises in symmetrically arranged first reflector and the second reflector up and down, and described first reflector and the second reflector are ellipsoid; Described first LED chip is in the focus place of the first reflector, and the second LED chip is in the focus place of the second reflector; Described imaging device is made up of the first concave and convex lenses and gummed mirror.LED adopts single more than 30W high-power, high luminous density; LED chip is luminous in the π solid angle of space 2, and light utilization ratio is higher; Between first LED chip and the second LED chip, spacing is more near better, ensures that heat is effectively derived simultaneously; On the right side of imaging device, the distance of 2-20 rice forms hot spot clearly.

Description

LED stage lamp light path system

Technical field

The utility model relates to field of LED illumination, especially LED stage lamp light path system.

Background technology

In existing LED imaging lamp imaging optical system, generally comprise light source, beam condensing unit and imaging device.Because existing beam condensing unit and imaging device exist larger defect, in order to make light fixture have larger power, on light source, the general plurality of LEDs chip that adopts is as light source, makes up the deficiency of beam condensing unit optically focused with this, and the deficiency of imaging device imaging.This kind stage lighting power consumption is large, efficiency is low, and imaging effect is poor.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of LED stage lamp light path system, and structure is simple, and imaging effect is good.

For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of LED stage lamp light path system, comprises LED light source, beam condensing unit, imaging device and imaging pattern; Described LED light source comprises in symmetrically arranged first LED chip and the second LED chip up and down; Described beam condensing unit comprises in symmetrically arranged first reflector and the second reflector up and down, and described first reflector and the second reflector are ellipsoid; Described first LED chip is in the focus place of the first reflector, and the second LED chip is in the focus place of the second reflector; Described imaging device is made up of the first concave and convex lenses and gummed mirror.LED adopts single more than 30W high-power, high luminous density; LED chip is luminous in the π solid angle of space 2, and light utilization ratio is higher; Between first LED chip and the second LED chip, spacing is more near better, ensures that heat is effectively derived simultaneously; On the right side of imaging device, the distance of 2-20 rice forms hot spot clearly.

As improvement, the power of described first LED chip and the second LED chip is more than 30 watts.

As improvement, described first LED chip light is by the first reflector back reflection another focus to ellipsoid; Described second LED chip light is by the second reflector back reflection another focus to ellipsoid; The focus of the first reflector overlaps with the focus of the second reflector.

As improvement, described first reflector and the second reflector are the ellipsoid of 1/4.

As improvement, described first LED chip is arranged in the first gripper shoe, and described second LED chip is arranged in the second gripper shoe, and the first gripper shoe, angle between the second gripper shoe and horizontal plane are 30 ~ 60 °.

As improvement, the distance between the first reflector and the second reflector is 40 ~ 80mm.

As improvement, the distance between described imaging pattern and imaging device is 80 ~ 120mm.

As improvement, described gummed mirror is made up of the second concave-convex lens and biconvex lens, is followed successively by the first concave and convex lenses, the second concave-convex lens, biconvex lens in imaging device by optical path.

As improvement, the plane of incidence of described first concave and convex lenses is concave surface, and radius of curvature is 200 ~ 450mm, and its exit facet is convex surface, and radius of curvature is 60 ~ 90mm; The plane of incidence of the second concave-convex lens is convex surface, and radius of curvature is more than 1000mm, and its exit facet is concave surface, and radius of curvature is 90 ~ 120mm; The plane of incidence of biconvex lens is convex surface, and radius of curvature is 90 ~ 120mm, and exit facet is convex surface, and radius of curvature is 100 ~ 150mm.

The beneficial effect that the utility model is compared with prior art brought is:

LED adopts single more than 30W high-power, high luminous density, and LED chip is luminous in the π solid angle of space 2, and light utilization ratio is higher; First LED chip and the second LED chip are separately positioned in different gripper shoes, are effectively derived by the guarantee heat of gripper shoe by LED; Adopt ellipsoid reflector as beam condensing unit, can effectively light reflection be gathered together, the effective rate of utilization of light is higher, and on the right side of imaging device, the distance of 2-20 rice forms hot spot clearly.

Accompanying drawing explanation

Fig. 1 is the utility model index path.

Detailed description of the invention

Below in conjunction with Figure of description, the utility model is described in further detail.

Embodiment 1

As shown in Figure 1, a kind of LED stage lamp light path system, comprises LED light source, beam condensing unit, imaging device and imaging pattern 7.

Described LED light source comprises in symmetrically arranged first LED chip 2 and the second LED chip 5 up and down, and the power of described first LED chip 2 and the second LED chip 5 is more than 30 watts; LED adopts single more than 30W high-power, high luminous density, and LED chip is luminous in the π solid angle of space 2, and light utilization ratio is higher; Described first LED chip 2 is arranged in the first gripper shoe 1, and the angle that described second LED chip 5 is arranged in the second gripper shoe between the 4, first gripper shoe 1, second gripper shoe 4 and horizontal plane is 30 ~ 60 °; First LED chip 2 is separately positioned in different gripper shoes from the second LED chip 5, is effectively derived by the guarantee heat of gripper shoe by LED.

Described beam condensing unit comprises in symmetrically arranged first reflector 3 and the second reflector 6 up and down, and described first reflector 3 and the second reflector 6 are the ellipsoid of 1/4; Distance L1 between first reflector 3 and the second reflector 6 is 40 ~ 80mm.Described first LED chip 2 is positioned at the focus place of the first reflector 3, and the second LED chip 5 is positioned at the focus place of the second reflector 6; Described first LED chip 2 light is by the first reflector 3 back reflection another focus to ellipsoid, and described second LED chip 5 light is by the second reflector 6 back reflection another focus to ellipsoid.The focus of the first reflector 3 overlaps with the focus of the second reflector 6.

Described imaging device is made up of the first concave and convex lenses 8 and gummed mirror 9.Described gummed mirror 9 is made up of the second concave-convex lens 91 and biconvex lens 92, is followed successively by the first concave and convex lenses 8, second concave-convex lens 91, biconvex lens 92 in imaging device by optical path.

Distance L2 between described imaging pattern and imaging device is 80mm; The plane of incidence of described first concave and convex lenses 8 is concave surface, and radius of curvature R 1 is 200mm, and its exit facet is convex surface, and radius of curvature R 2 is 60mm; The plane of incidence of the second concave-convex lens 91 is convex surface, and radius of curvature R 3 is 1000mm, and its exit facet is concave surface, and radius of curvature R 4 is 90mm; The plane of incidence of biconvex lens 92 is convex surface, and radius of curvature R 4 is 90mm, and exit facet is convex surface, and radius of curvature R 5 is 100mm.

Embodiment 2

As shown in Figure 1, with embodiment 1 difference be; Distance L2 between described imaging pattern and imaging device is 100mm; The plane of incidence of described first concave and convex lenses 8 is concave surface, and radius of curvature R 1 is 300mm, and its exit facet is convex surface, and radius of curvature R 2 is 75mm; The plane of incidence of the second concave-convex lens 91 is convex surface, and radius of curvature R 3 is 2000mm, and its exit facet is concave surface, and radius of curvature R 4 is 110mm; The plane of incidence of biconvex lens 92 is convex surface, and radius of curvature R 4 is 110mm, and exit facet is convex surface, and radius of curvature R 5 is 120mm.The effect that the present embodiment produces and embodiment basically identical.

Embodiment 3

As shown in Figure 1, with embodiment 1 difference be; Distance L2 between described imaging pattern and imaging device is 120mm; The plane of incidence of described first concave and convex lenses 8 is concave surface, and radius of curvature R 1 is 450mm, and its exit facet is convex surface, and radius of curvature R 2 is 90mm; The plane of incidence of the second concave-convex lens 91 is convex surface, and radius of curvature R 3 is 3000mm, and its exit facet is concave surface, and radius of curvature R 4 is 120mm; The plane of incidence of biconvex lens 92 is convex surface, and radius of curvature R 4 is 120mm, and exit facet is convex surface, and radius of curvature R 5 is 150mm.The effect that the present embodiment produces and embodiment basically identical.

Claims

1. a LED stage lamp light path system, comprises LED light source, beam condensing unit, imaging device and imaging pattern; It is characterized in that: described LED light source comprises in symmetrically arranged first LED chip and the second LED chip up and down; Described beam condensing unit comprises in symmetrically arranged first reflector and the second reflector up and down, and described first reflector and the second reflector are ellipsoid; Described first LED chip is in the focus place of the first reflector, and the second LED chip is in the focus place of the second reflector; Described imaging device is made up of the first concave and convex lenses and gummed mirror.

2. a kind of LED stage lamp light path system according to claim 1, is characterized in that: the power of described first LED chip and the second LED chip is more than 30 watts.

3. a kind of LED stage lamp light path system according to claim 1, is characterized in that: described first LED chip light is by the first reflector back reflection another focus to ellipsoid; Described second LED chip light is by the second reflector back reflection another focus to ellipsoid; The focus of the first reflector overlaps with the focus of the second reflector.

4. a kind of LED stage lamp light path system according to claim 1, is characterized in that: described first reflector and the second reflector are the ellipsoid of 1/4.

5. a kind of LED stage lamp light path system according to claim 1, it is characterized in that: described first LED chip is arranged in the first gripper shoe, described second LED chip is arranged in the second gripper shoe, and the first gripper shoe, angle between the second gripper shoe and horizontal plane are 30 ~ 60 °.

6. a kind of LED stage lamp light path system according to claim 1, is characterized in that: the distance between the first reflector and the second reflector is 40 ~ 80mm.

7. a kind of LED stage lamp light path system according to claim 1, is characterized in that: the distance between described imaging pattern and imaging device is 80 ~ 120mm.

8. a kind of LED stage lamp light path system according to claim 1, is characterized in that: described gummed mirror is made up of the second concave-convex lens and biconvex lens, is followed successively by the first concave and convex lenses, the second concave-convex lens, biconvex lens in imaging device by optical path.

9. a kind of LED stage lamp light path system according to claim 8, is characterized in that: the plane of incidence of described first concave and convex lenses is concave surface, and radius of curvature is 200 ~ 450mm, and its exit facet is convex surface, and radius of curvature is 60 ~ 90mm; The plane of incidence of the second concave-convex lens is convex surface, and radius of curvature is more than 1000mm, and its exit facet is concave surface, and radius of curvature is 90 ~ 120mm; The plane of incidence of biconvex lens is convex surface, and radius of curvature is 90 ~ 120mm, and exit facet is convex surface, and radius of curvature is 100 ~ 150mm.