CN208186024U - A kind of optical system of the replaceable camera lens for stage lamp - Google Patents

A kind of optical system of the replaceable camera lens for stage lamp Download PDF

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Publication number
CN208186024U
CN208186024U CN201820493606.7U CN201820493606U CN208186024U CN 208186024 U CN208186024 U CN 208186024U CN 201820493606 U CN201820493606 U CN 201820493606U CN 208186024 U CN208186024 U CN 208186024U
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CN
China
Prior art keywords
lens
optical
fixed
stage lamp
replaceable camera
Prior art date
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Active
Application number
CN201820493606.7U
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Chinese (zh)
Inventor
蒋伟楷
其他发明人请求不公开姓名
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Haoyang Electronic Co Ltd
Golden Sea Professional Equipment Ltd
Original Assignee
Guangzhou Haoyang Electronic Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Guangzhou Haoyang Electronic Co Ltd filed Critical Guangzhou Haoyang Electronic Co Ltd
Priority to CN201820493606.7U priority Critical patent/CN208186024U/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • F21V5/04Refractors for light sources of lens shape

Abstract

The utility model relates to stage lighting technical field of optical, more specifically, it is related to a kind of optical system of replaceable camera lens for stage lamp, including light source, focusing lens group, enlarging lens group and the fixed lens group set gradually along optical axis, the focusing lens group, enlarging lens group can be moved along optical axis direction, and the eyeglass in the fixed lens group is alternatively set in emergent shaft.A kind of optical system of replaceable camera lens for stage lamp provided by the utility model, by the way that fixed lens group is alternatively set in emergent shaft, lamps and lanterns are allowed to replace different types of fixed lens group according to actual needs, the optical effects such as light projector angle, the hot spot uniformity, the hot spot edge softening degree of i.e. changeable lamps and lanterns, make using more flexible.

Description

A kind of optical system of the replaceable camera lens for stage lamp
Technical field
The utility model relates to stage lighting technical field of optical, more particularly, to a kind of for stage lamp The optical system of replaceable camera lens.
Background technique
The optical system of light of stage is for projecting away light source institute isolychn, after general Optical System Design, Since each eyeglass in optical system is not replaceable, the light such as light projector angle, the hot spot uniformity, hot spot edge softening degree It learns effect to have immobilized, which has limited the application ranges of light of stage.
Summary of the invention
The purpose of the utility model is to overcome deficiencies in the prior art, provide a kind of for the replaceable of stage lamp The optical system of camera lens, the optical effects such as light projector angle, the hot spot uniformity, hot spot edge softening degree are variable, extend dance The application range of desk lamp light.
In order to achieve the above objectives, the technical solution adopted in the utility model is:
A kind of optical system of replaceable camera lens for stage lamp is provided, including set gradually along optical axis light source, Focusing lens group, enlarging lens group and fixed lens group, the focusing lens group and enlarging lens group can be moved along optical axis direction, The fixed lens group is alternatively set in optical axis.
In above scheme, by the way that fixed lens group to be alternatively set in optical axis, so that lamps and lanterns can be according to actual needs Different types of fixed lens group is replaced, i.e., the optics effect such as changeable light projector angle, the hot spot uniformity, hot spot edge softening degree Fruit uses lamps and lanterns more flexible, and the application of multiple-effect fruit can reduce the quantity of stage lighting, save the cost.Displaced fixation Lens group includes bore, curvature, type or the different fixed lens group of material.The focusing lens group and enlarging lens group are opposite The functions such as realization focusing and amplification are axially movable in light source, and then adjust out required light of stage.
Preferably, the fixed lens group is single eyeglass or multiple lens combinations.
The single or multiple lens combinations are alternatively set on optical axis, and lens set can be fixed-focus, i.e., each eyeglass is opposite Position is fixed, and can also be zoom, i.e., each eyeglass relative position is variable.Corresponding fixed lens are selected to be mounted on according to actual needs In optical axis, one group of fixed lens group integral replacement is not only convenient for user to operate, and be avoided that replace single eyeglass when the mirror Piece is equipped with deviation, so that influencing light-out effect.
Preferably, the fixed lens group is Fresnel mirror or spherical lens or non-spherical lens or several eyeglasses Combination.
Preferably, the fixed lens group facing light sources are fixedly installed on optical axis.
Preferably, further include support fixed lens group lens barrel and with the matched lens cap of fixed lens group.
It is further preferred that the lens cap further includes balance weight assembly.
Due to different fixed lens groups, weight may be different, to keep replaced camera lens and replacement previous Sample weight, therefore added counterweight, in actual design, the center of gravity of lamp body requires to remain at the axis that lamps and lanterns arm is connect with lamp body On line central point.The balance weight assembly of the utility model can be increased metal plate in fixed lens group, be also possible to be hidden in mirror The weighting members of metal class in skull.
It preferably, further include the simple-mounting-dismounting component of operation replacement fixed lens group.
It is further preferred that the simple-mounting-dismounting component includes locking member and fixed bit.
It is further preferred that the locking member and fixed bit are screwed or buckle fixation.
Preferably, the focusing lens group, enlarging lens group and each eyeglass of fixed lens group are along the coaxial setting of optical axis.Altogether The smooth transmission of light is convenient in axis setting, reduces the loss of light.
Preferably, further include for adjust displacement after fixed lens group and other lens groups between axis degree concentricity tune Regulating device.
Preferably, fixed lens group displacement remains at vertical with optical axis same put down to the end face of light source below On face.
Compared with prior art, the utility model has the beneficial effects that
The utility model discloses a kind of optical system of replaceable camera lens for stage lamp, by by fixed lens It is alternatively set in optical axis in group, thus replace different types of fixed lens group according to actual needs, i.e., changeable light projector The optical effects such as angle, the hot spot uniformity, hot spot edge softening degree use lamps and lanterns more flexible, in addition, multiple-effect fruit answers With the quantity that can reduce stage lighting, save the cost.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the optical system of the replaceable camera lens for stage lamp of embodiment 1, wherein fixed mirror Head group 3 only includes lens.
Fig. 2 is a kind of schematic diagram of the optical system of the replaceable camera lens for stage lamp of embodiment 2, wherein fixed mirror Head group 3 includes Fresnel mirror and lens.
Fig. 3 is the mounting structure schematic diagram of 1 fixed lens group 3 of embodiment.
Fig. 4 is the mounting structure schematic diagram of 2 fixed lens group 3 of embodiment.
Specific embodiment
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing Illustrate, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent;In order to which this reality is better described With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product;To ability For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment;It is practical at this In novel description, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore retouch in attached drawing The term for stating positional relationship only for illustration, should not be understood as the limitation to this patent, for the common skill of this field For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of optical systems of replaceable camera lens for stage lamp, including according to edge Light source 1, focusing lens group 21, enlarging lens group 22 and the fixed lens group 3 of optical axis time setting, the focusing lens group 21 are put Macro lens group 22 is fixedly set to light direction, and the eyeglass in the fixed lens group 3 is alternatively set in optical axis.
By the way that fixed lens group 3 to be alternatively set in optical axis, so that replacing according to actual needs different types of solid Determine lens group, i.e., the optical effects such as changeable light projector angle, the hot spot uniformity, hot spot edge softening degree extend light of stage Application range.
Wherein, the fixed lens group 3 is two lens combinations, is set in optical axis according to actual needs.
When not only user being convenient for operate 3 integral replacement of whole group fixed lens group, and being avoided that the single eyeglass of displacement The eyeglass is equipped with deviation, so that influencing light-out effect.
The fixed lens group 3 is spherical lens, and 3 facing light sources of fixed lens group are fixedly installed on optical axis.
As shown in Figure 3, wherein further include support fixed lens group 3 lens barrel and with the matched camera lens of fixed lens group Lid 4, the lens cap 4 include balance weight assembly and the simple-mounting-dismounting component for facilitating operation replacement fixed lens group, the letter Readily removable arrangement includes locking member 5 and fixed bit, and in the present embodiment, the locking member 5 and fixed bit are screw and screw hole, institute It states simple-mounting-dismounting component and fixation is matched with screw hole by screw.
As shown in Figure 1, wherein the fixed lens group 3 includes including two panels lens 31.
Embodiment 2
Certainly, the fixed lens group 3 can also be following proposal:
As shown in Fig. 2, the fixed lens group 3 includes a piece of Fresnel mirror 32 and a piece of lens 31, and Fresnel mirror 32 For smooth surface surface towards light source 1.Fixed mirror is collectively formed by the way that a piece of Fresnel mirror 32 combines with a piece of lens 31 Head group 3, if due to the dispersion of 31 pairs of light of dry plate lens and the difference of refractive index, so that the light issued from fixed lens group 3 is not only It can guarantee that the hot spot edge of dyeing lamp projection is soft, and can increase the zoom range of lamps and lanterns light projector, the color difference for reducing hot spot becomes Change.
In the present embodiment, the front of all lens is located at along optical axis direction Fresnel mirror 32.Fresnel mirror 32 is located remotely from The light-emitting surface of light source 1 can make the hot spot edge finally cast out soft, obtain better dyeing effect.
Wherein, focusing lens group 21, enlarging lens group 22 and each eyeglass in fixed lens group 3 are along the coaxial setting of optical axis. The smooth transmission of light is convenient in coaxial setting, reduces the loss of light.Wherein, further include for adjust displacement after fixed lens group with The axiality adjusting device of axis degree between other lens groups, the fixed lens group displacement are remained to the end face of light source below On the same plane vertical with optical axis.
As shown in figure 4, further include support fixed lens group 3 lens barrel and with the matched lens cap 4 of fixed lens group, institute Stating lens cap 4 includes balance weight assembly and the simple-mounting-dismounting component for facilitating operation replacement fixed lens group, the simple-mounting-dismounting Component includes locking member 5 and fixed bit.In the present embodiment, the locking member 5 and fixed bit are screw and screw hole, described simple Removable component matches fixation with screw hole by screw.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in Within the protection scope of the utility model claims.

Claims (11)

1. a kind of optical system of the replaceable camera lens for stage lamp, including set gradually along optical axis light source (1), focusing Lens group (21), enlarging lens group (22) and fixed lens group (3), which is characterized in that the focusing lens group (21) and amplification Lens group (22) can be moved along optical axis direction, and the fixed lens group (3) is alternatively set in optical axis.
2. a kind of optical system of replaceable camera lens for stage lamp according to claim 1, which is characterized in that institute Stating fixed lens group (3) is single eyeglass or multiple lens combinations.
3. a kind of optical system of replaceable camera lens for stage lamp according to claim 2, which is characterized in that institute State the combination that fixed lens group (3) are Fresnel mirror or spherical lens or non-spherical lens or several eyeglasses.
4. a kind of optical system of replaceable camera lens for stage lamp according to claim 1, which is characterized in that institute Fixed lens group (3) facing light sources are stated to be fixedly installed on optical axis.
5. a kind of optical system of replaceable camera lens for stage lamp according to claim 1, which is characterized in that also Including support fixed lens group (3) lens barrel and with fixed lens group (3) matched lens cap.
6. a kind of optical system of replaceable camera lens for stage lamp according to claim 5, which is characterized in that institute Stating lens cap further includes balance weight assembly.
7. a kind of optical system of replaceable camera lens for stage lamp according to claim 1, which is characterized in that also Simple-mounting-dismounting component including operation replacement fixed lens group (3).
8. a kind of optical system of replaceable camera lens for stage lamp according to claim 7, which is characterized in that institute Stating simple-mounting-dismounting component includes locking member and fixed bit.
9. a kind of optical system of replaceable camera lens for stage lamp according to claim 1, which is characterized in that institute Each eyeglass of focusing lens group (21), enlarging lens group (22), fixed lens group (3) is stated along the coaxial setting of optical axis.
10. a kind of optical system of replaceable camera lens for stage lamp according to claim 1, which is characterized in that It further include the axiality adjusting device for adjusting axis degree between the fixed lens group (3) and other lens groups after replacing.
11. a kind of optical system of replaceable camera lens for stage lamp according to claim 1, which is characterized in that Fixed lens group (3) displacement remains on the same plane vertical with optical axis below to the end face of light source.
CN201820493606.7U 2018-04-09 2018-04-09 A kind of optical system of the replaceable camera lens for stage lamp Active CN208186024U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820493606.7U CN208186024U (en) 2018-04-09 2018-04-09 A kind of optical system of the replaceable camera lens for stage lamp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201820493606.7U CN208186024U (en) 2018-04-09 2018-04-09 A kind of optical system of the replaceable camera lens for stage lamp
PCT/CN2019/072679 WO2019196537A1 (en) 2018-04-09 2019-01-22 Optical system for replaceable lens of stage lamps and lanterns

Publications (1)

Publication Number Publication Date
CN208186024U true CN208186024U (en) 2018-12-04

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WO (1) WO2019196537A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019196537A1 (en) * 2018-04-09 2019-10-17 广州市浩洋电子股份有限公司 Optical system for replaceable lens of stage lamps and lanterns

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6220727B1 (en) * 1999-11-15 2001-04-24 Ming-Cheng Chang Reflective mechanism for a computer-controlled stage lamp
US20150308663A1 (en) * 2012-03-18 2015-10-29 Pavel Jurik Zoom optical system for an automated luminaire
US10514154B2 (en) * 2012-03-18 2019-12-24 Robe Lighting S.R.O. Multisource beam shaping system
CN104266109B (en) * 2014-09-16 2017-03-01 广州市浩洋电子有限公司 There is the stage lighting optical system of sheen and beam effect
CN206377553U (en) * 2017-01-18 2017-08-04 东莞市粤辉光电科技有限公司 A kind of stage lighting zoom lens group
CN208186024U (en) * 2018-04-09 2018-12-04 广州市浩洋电子股份有限公司 A kind of optical system of the replaceable camera lens for stage lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019196537A1 (en) * 2018-04-09 2019-10-17 广州市浩洋电子股份有限公司 Optical system for replaceable lens of stage lamps and lanterns

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