CN220287237U - Stage lamp with portable lens group - Google Patents
Stage lamp with portable lens group Download PDFInfo
- Publication number
- CN220287237U CN220287237U CN202321364293.2U CN202321364293U CN220287237U CN 220287237 U CN220287237 U CN 220287237U CN 202321364293 U CN202321364293 U CN 202321364293U CN 220287237 U CN220287237 U CN 220287237U
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- Prior art keywords
- lens
- light
- lens group
- stage lamp
- emitting
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- 239000011521 glass Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000002861 polymer material Substances 0.000 claims abstract description 10
- 230000003287 optical effect Effects 0.000 claims abstract description 9
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 230000004075 alteration Effects 0.000 description 2
- 239000005331 crown glasses (windows) Substances 0.000 description 2
- 230000004313 glare Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000004304 visual acuity Effects 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000005308 flint glass Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a stage lamp with a portable lens group, which comprises a case, an arm pivoted above the case and a lamp holder pivoted on the arm, wherein the lamp holder internally comprises a light source for generating a light path and a light emitting lens group with a plurality of lenses, the light emitting lens group is positioned at a light outlet of the lamp holder, at least 1 lens in the light emitting lens group is a light mirror, and the light mirror is made of a high polymer material. By replacing at least 1 lens in the light-emitting lens group with a light-weight lens, the light-weight lens is made of a high-molecular polymer material, so that the light-weight lens is lighter than the conventional glass material, the original optical performance of the light-emitting lens group is ensured by the combination, and the overall weight of the light-emitting lens group is effectively reduced; compared with the grinding process of glass lenses, the processing difficulty of the high polymer material is simpler, the light lens can be manufactured through a machine die, mass production is realized, the cost is reduced, the lens precision is improved, and the consistency of the same batch is ensured.
Description
Technical Field
The utility model relates to the technical field of stage lamps, in particular to a stage lamp with a portable lens group.
Background
Various lenses are installed in most stage lamps in the market, for example, in a lamp set with a pattern effect, a focusing lens is moved to focus a light beam, so that the definition of an image can be adjusted; the size of the image can be enlarged or reduced by moving the amplifying lens, so that a vivid stage effect is formed; at the same time, the light-emitting lens plays a vital role in the narrowing or divergence of the light beam.
The existing lens generally uses glass as a manufacturing raw material, but with the increasing demands of the market for light efficiency and zoom of the lamp, in order to achieve a more ideal effect, the size of the lens group has to be increased, at this time, the problem of overweight of the lens is particularly remarkable, so that the overall weight of the lamp is increased, and the light weight is difficult to realize. Moreover, the raw materials and the processing cost of the glass are high, the processing technology is limited by the material characteristics of the glass, the precision is difficult to improve, the consistency of mass production lens parameters is guaranteed, the processing difficulty is high when the lens with the free-form surface is manufactured, and the multi-dimensional development of stage light effect is greatly limited.
Disclosure of Invention
The utility model aims to overcome at least one defect in the prior art, and provides a stage lamp with a portable lens group, which effectively solves the problems that the quality of the lens group of the stage lamp is too heavy and the light weight of a lamp body is difficult to realize.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a stage lamp with lightweight lens group, includes quick-witted case, pin joint in the arm of machine case top and pin joint in the lamp holder of arm, including the light source that produces the light path and have the play optical group of multichip lens in the lamp holder, play optical group is located the light outlet of lamp holder, at least 1 lens is light mirror in the play optical group, the material of light mirror is high-molecular polymer material.
By replacing at least 1 lens in the light-emitting lens group with the light-weight lens, the light-weight lens is made of high-molecular polymer materials, so that the light-weight lens is lighter than the conventional glass materials, the original optical performance of the light-emitting lens group is ensured, and the overall weight of the light-emitting lens group is effectively reduced; compared with the grinding process of glass lenses, the processing difficulty of the high polymer material is simpler, the light-weight lenses can be manufactured through machine dies, mass production is realized, the cost is reduced, the lens precision is improved, and the consistency of the same batch is ensured.
Further, the light-emitting device further comprises a focusing lens group and/or a zooming lens group which are positioned between the light source and the light-emitting lens group, and at least 1 lens in the focusing lens group and/or the zooming lens group is the light-weight lens. Because the focusing lens group and the zooming lens group can move back and forth along the emergent direction of light rays, the whole weight of the two lens groups can be effectively reduced by replacing at least 1 lens in the two lens groups with the light-weight lens, the sliding driving force for driving the two lens groups is effectively reduced, and the manufacturing cost of the lamp is further reduced.
Further, the lightweight mirror is a positive focal length lens. Positive focal length lenses facilitate the processing of the lightweight mirrors.
Further, the light emitting lens group comprises a first lens, a second lens and a third lens which are overlapped, and the first lens and the third lens are light lenses.
Further, at least 1 lens in the light-emitting lens set is a negative focal length lens and is made of glass materials.
Further, the anti-glare lens further comprises a lens ring used for fixedly mounting a plurality of lenses in the light-emitting lens group, the lens ring is arranged around the edge of the light-emitting lens group, and an anti-glare structure is arranged on the inner side surface of the lens ring. The lens rings are utilized to combine a plurality of lenses into a whole, so that the installation is more convenient; and by arranging the anti-glare structure, the condition that light rays are reflected on the surface of the lens ring to form glare after exiting from the light-emitting lens group is prevented.
Further, the convex surface of the light mirror is an even aspheric curved surface. By the arrangement, the imaging resolving power of the light mirror is improved, and the definition of the light mirror is ensured.
Further, the surface of the lens is provided with an antireflection film. By the arrangement, the reflection of the light rays by the lens surface can be reduced, so that the passing rate of the light rays from the light source is increased, and the light loss of the whole lamp is further reduced.
Further, the refractive index of the light mirror is 1.50-1.62. By setting the refractive index of the lightweight mirror within this range, the refractive index of the lightweight mirror is made closer to crown glass.
Further, the lightweight mirror has an Abbe's number greater than 50. By improving the dispersion coefficient of the light mirror, the situation that light rays from the light source generate larger chromatic aberration after passing through the light mirror is avoided, and the stability of the light efficiency of the lamp is improved.
Drawings
Fig. 1 is a schematic view of a structure of a lamp cap and an arm with the portable lens assembly according to the present utility model.
Fig. 2 is a schematic structural view of the light-emitting lens set according to the present utility model.
In the figure:
100. a lamp base; 110. a light source; 120. a light output lens group; 121. a first lens; 122. a second lens; 123. a third lens; 124. a lens ring; 130. focusing lens group; 140. a zoom lens group; 150. a heat sink; 200. an arm.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.
As shown in fig. 1 and 2, the present utility model provides a stage lamp with a portable lens assembly, which includes a chassis, an arm 200 pivotally connected above the chassis, and a lamp cap 100 pivotally connected to the arm 200, wherein the lamp cap 100 includes a light source 110 for generating a light path, and a light-emitting lens set 120 having a plurality of lenses, the light-emitting lens set 120 is located at a light-emitting opening of the lamp cap 100, at least 1 lens in the light-emitting lens set 120 is a light-weight lens, and the light-weight lens is made of a polymer material.
By replacing at least 1 lens in the light-emitting lens set 120 with the light-weight lens, the light-weight lens set 120 is made of high-molecular polymer material, so that the light-weight lens set 120 is lighter than the conventional glass material, and the combination ensures the original optical performance of the light-emitting lens set 120, and simultaneously, the overall weight of the light-emitting lens set 120 is effectively reduced; compared with the grinding process of glass lenses, the processing difficulty of the high polymer material is simpler, the light-weight lenses can be manufactured through machine dies, mass production is realized, the cost is reduced, the lens precision is improved, and the consistency of the same batch is ensured.
Preferably, the light mirror is made of plastic.
Preferably, the lamp further comprises a heat sink 150 disposed at the bottom of the lamp cap 100 and closely attached to the light source 110, and the heat sink 150 is used for effectively dissipating heat from the light source 110.
Preferably, the light source 110 may be a halogen bulb, an LED light source 110, a laser light source 110, or the like.
In a preferred embodiment of the present utility model, a focusing lens group 130 and/or a magnification-varying lens group 140 is further included between the light source 110 and the light-emitting lens group 120, and at least 1 lens in the focusing lens group 130 and/or the magnification-varying lens group 140 is the light-weight lens. Because the focusing lens group 130 and the zoom lens group 140 can move back and forth along the emergent direction of light, the overall weight of the two lens groups can be effectively reduced by replacing at least 1 lens in the two lens groups with the light-weight lens, the sliding driving force for driving the two lens groups is effectively reduced, and the manufacturing cost of the lamp is further reduced.
Preferably, along the light emitting direction, the focusing lens group 130, the zoom lens group 140 and the light emitting lens group 120 are sequentially arranged; the focusing lens group 130 moves back and forth along the emergent direction of the light to realize the definition adjustment of the light spots; the size of the spot size is changed by moving the zoom lens 140 back and forth along the light emitting direction.
In a preferred embodiment of the utility model, the lightweight mirror is a positive focal length lens. Positive focal length lenses facilitate the processing of the lightweight mirrors.
In a preferred embodiment of the present utility model, the light-emitting lens set 120 includes a first lens 121, a second lens 122 and a third lens 123 disposed in a stacked manner, and the first lens 121 and the third lens 123 are light-weight lenses.
Preferably, the first lens 121, the second lens 122 and the third lens 123 are sequentially attached to each other, and center projections of the three are overlapped with each other in a height direction of the light-emitting lens set 120.
In this embodiment, preferably, the first lens 121 is a biconvex positive focal length lens, the third lens 123 is a concave-convex positive focal length lens, the second lens 122 is a concave-convex negative focal length lens, and the material of the second lens 122 is a glass material, and in other embodiments, the number of lenses and the types thereof can be set according to the light efficiency requirement.
In a preferred embodiment of the present utility model, at least 1 lens in the light-emitting lens set 120 is a negative focal length lens and is made of glass material. Preferably, the glass material is flint glass.
In a preferred embodiment of the present utility model, the lens ring 124 for fixedly mounting the lenses in the light-emitting lens set 120 is further included, the lens ring 124 is disposed around the edge of the light-emitting lens set 120, and the inner side surface of the lens ring 124 is provided with an anti-glare structure. The lens rings 124 are utilized to combine a plurality of lenses into a whole, so that the installation is more convenient; and by providing an anti-glare structure, the light emitted from the light-emitting lens set 120 is prevented from being reflected on the surface of the lens ring 124 to form glare. Preferably, the anti-dazzle structure can be a plurality of circles of anti-dazzle diaphragms distributed in a step shape, can also be extinction teeth, and can be selected according to design requirements.
In a preferred embodiment of the present utility model, the convex surface of the lightweight mirror is an even aspherical curved surface. By the arrangement, the imaging resolving power of the light mirror is improved, and the definition of the light mirror is ensured.
In a preferred embodiment of the utility model, the surface of the lens is provided with an antireflection film. By such an arrangement, the reflection of light by the lens surface can be reduced, thereby increasing the light passing rate from the light source 110 and further reducing the overall light loss of the lamp.
In a preferred embodiment of the present utility model, the refractive index of the light mirror is 1.50-1.62. By setting the refractive index of the lightweight mirror within this range, the refractive index of the lightweight mirror is made closer to crown glass.
Preferably, the refractive index of the lightweight mirror is 1.50.
In a preferred embodiment of the utility model, the lightweight mirror has an Abbe's number greater than 50. By increasing the dispersion coefficient of the light mirror, the light from the light source 110 is prevented from generating larger chromatic aberration after passing through the light mirror, and the stability of the lighting effect of the lamp is improved.
Preferably, the lightweight mirror has an abbe number of 1.55.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. The utility model provides a stage lamp with lightweight lens group, includes quick-witted case, pin joint in arm (200) of machine case top and pin joint in lamp holder (100) of arm (200), a serial communication port, including light source (110) and the play optical group (120) that have multi-disc lens that produce the light path in lamp holder (100), play optical group (120) are located the light outlet of lamp holder (100), at least 1 lens is light mirror in play optical group (120), the material of light mirror is high-molecular polymer material.
2. Stage lamp according to claim 1, further comprising a focusing lens group (130) and/or a magnification-varying lens group (140) between the light source (110) and the light-emitting lens group (120), at least 1 lens of the focusing lens group (130) and/or the magnification-varying lens group (140) being the lightweight lens.
3. Stage lamp according to claim 1, characterized in that the lightweight mirror is a positive focal length lens.
4. Stage lamp according to claim 1, wherein the light-emitting lens (120) comprises a first lens (121), a second lens (122) and a third lens (123) arranged in a superimposed manner, the first lens (121) and the third lens (123) being lightweight mirrors.
5. Stage lamp according to claim 1, characterized in that at least 1 lens of the light-emitting lens set (120) is a negative focal length lens and is of glass material.
6. Stage lamp according to claim 1, further comprising a lens ring (124) for fixedly mounting several lenses of the light-emitting lens set (120), the lens ring (124) being arranged around the edge of the light-emitting lens set (120), and an anti-glare structure being arranged on the inner side of the lens ring (124).
7. Stage lamp according to claim 1, characterized in that the convex surface of the lightweight mirror is an even aspherical curved surface.
8. Stage lamp according to claim 1, characterized in that the surface of the lens is provided with an antireflection film.
9. Stage lamp according to claim 1, characterized in that the refractive index of the lightweight mirror is 1.50-1.62.
10. Stage lamp according to claim 1, characterized in that the lightweight mirror has a dispersion coefficient of more than 50.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321364293.2U CN220287237U (en) | 2023-05-31 | 2023-05-31 | Stage lamp with portable lens group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321364293.2U CN220287237U (en) | 2023-05-31 | 2023-05-31 | Stage lamp with portable lens group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220287237U true CN220287237U (en) | 2024-01-02 |
Family
ID=89343949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321364293.2U Active CN220287237U (en) | 2023-05-31 | 2023-05-31 | Stage lamp with portable lens group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220287237U (en) |
-
2023
- 2023-05-31 CN CN202321364293.2U patent/CN220287237U/en active Active
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