CN206398503U

CN206398503U - A kind of stage sealed beam lamp lens group

Info

Publication number: CN206398503U
Application number: CN201720057158.1U
Authority: CN
Inventors: 曹品龙; 曹锦辉; 冯君刚; 雷国韬
Original assignee: Dongguan Hui Guang Photoelectric Technology Co Ltd
Current assignee: Dongguan Hui Guang Photoelectric Technology Co Ltd
Priority date: 2017-01-18
Filing date: 2017-01-18
Publication date: 2017-08-11
Anticipated expiration: 2027-01-18

Abstract

The utility model discloses a kind of stage sealed beam lamp lens group, including fixed lens group and it is arranged at the focusing lens group of fixed lens group front end, wherein, the fixed lens group includes fixed lens barrel, the first convex lens being arranged in fixed lens barrel and the first trim ring that the first convex lens are fixed in fixed lens barrel；The focusing lens group includes focusing drawtube, is arranged in focusing drawtube and is followed successively by the first concavees lens and the second convex lens and the second trim ring that the first concavees lens and the second convex lens are fixed in focusing drawtube from front to back.The utility model reasonable in design, rising angle reduces, and spotlight effect is good, and the utilization rate of luminous energy is improved, hence it is evident that improve beam effect.

Description

A kind of stage sealed beam lamp lens group

Technical field

The utility model is related to a kind of lens group, more particularly to a kind of stage sealed beam lamp lens group.

Background technology

Stage sealed beam lamp is highly important a kind of light fixture in stage, is mainly used in the past in large-scale stage, existing With the rise of all kinds stage, pair there is very big demand with the stage sealed beam lamp that all kinds stage matches.Stage Size and theme often determine the requirement of the outgoing beam size and brightness of used stage sealed beam lamp, in the market Based on the main or high power stage sealed beam lamp that is used with large-scale stage, the stage sealed beam lamp of mid power or fewer.

It is big with the change of stage sealed beam lamp demand, higher is required to the camera lens suitable for stage sealed beam lamp.And it is existing Stage sealed beam lamp camera lens, complicated, rising angle is big, and the efficiency of light energy utilization is low, and spotlight effect is poor, and the beam effect sent is poor.

Therefore, in order to improve the spotlight effect of stage sealed beam lamp, it is necessary to be improved to the camera lens of stage sealed beam lamp, to carry High beam effect.

Utility model content

For above-mentioned deficiency, the purpose of this utility model is to provide a kind of stage sealed beam lamp lens group, and structure design is closed Reason, rising angle reduces, and spotlight effect is good, and the utilization rate of luminous energy is improved, hence it is evident that improve beam effect.

The utility model is to reach that the technical scheme that above-mentioned purpose is used is：

A kind of stage sealed beam lamp lens group group, it is characterised in that including fixed lens group and be arranged at before fixed lens group The focusing lens group at end, wherein, the fixed lens group include fixed lens barrel, be arranged in fixed lens barrel the first convex lens, And the first trim ring that the first convex lens are fixed in fixed lens barrel；The focusing lens group includes focusing drawtube, is arranged at tune It is followed successively by burnt lens barrel and from front to back the first concavees lens and is fixed with the second convex lens and by the first concavees lens with the second convex lens In the second trim ring in focusing drawtube.

As further improvement of the utility model, first convex lens for planoconvex spotlight, first convex lens Convex center side summit to image planes distance be 222-228mm.

As further improvement of the utility model, the fixed lens barrel includes fixed cylinder and offered in fixed cylinder First annular neck on internal wall, first trim ring is arranged on fixed cylinder inwall, and positioned at first annular neck side, First convex lens are arranged in first annular neck, and the convex side of first convex lens is protruded from outside fixed cylinder.

As further improvement of the utility model, the convex side peak of first convex lens is to the distance of image planes 225mm。

It is used as further improvement of the utility model, a diameter of 152mm of first convex lens.

As further improvement of the utility model, second convex lens are biconvex lens, and first concavees lens are double Concavees lens.

As further improvement of the utility model, the focusing drawtube is included outside focusing cylinder, the focusing cylinder back-end The second annular slot is offered on wall, second trim ring has an annular screens and an opening, and second trim ring is covered on tune On second annular slot of burnt cylinder, the second annular slot of the focusing cylinder is set to insert in the annular screens of the second trim ring, should First concavees lens and the second convex lens are arranged in focusing cylinder, and second convex lens convex side from the opening of the second trim ring Place protrudes from outside,

As further improvement of the utility model, the convex center side summit of second convex lens to the first convex lens The distance at rear end face center is 54-66mm.

It is used as further improvement of the utility model, a diameter of 102mm of the focusing cylinder.

The beneficial effects of the utility model are：

(1) purpose of big beam size is realized, together as fixed lens group by using bigbore single convex lens When, reduce rising angle, become apparent from the beam effect sent；

(2) interior focusing structure focusing lens group is used, sealed beam lamp is easy to manufacture and is controlled, and in fixed lens The space of abundance is reserved between group and focusing lens group to be used to add the optics such as prism, atomizing piece, color chips, realizes stage The multifunction of lamp；

(3) lens install reasonable, and close structure, non-loosening phenomenon, structural stability is high；

(4) by using the small stage sealed beam lamp camera lens of rising angle, bubble light that can well with the 280W of in the market Compatibility, greatly promotes the utilization rate of luminous energy, and spotlight effect is good, becomes apparent from the beam effect sent, meanwhile, the compatible maximum of energy Pattern diameter reaches 8mm.

Above-mentioned is the general introduction of utility model technical scheme, below in conjunction with accompanying drawing and embodiment, to the utility model It is described further.

Brief description of the drawings

Fig. 1 is the installation diagram of the utility model external structure；

Fig. 2 is sectional arrangement drawing of the present utility model；

Fig. 3 is the structural representation of the utility model fixed lens barrel；

Fig. 4 is the structural representation of the utility model focusing drawtube.

Embodiment

Further to illustrate that the utility model is to reach technological means and effect that predetermined purpose is taken, below in conjunction with Accompanying drawing and preferred embodiment, are described in detail to embodiment of the present utility model.

Fig. 1 to Fig. 4 is refer to, the utility model embodiment provides a kind of stage sealed beam lamp lens group group, including fixed mirror Head group 1 and the focusing lens group 2 for being arranged at the front end of fixed lens group 1, wherein, the fixed lens group 1 includes fixed lens barrel 11st, the first convex lens 12 being arranged in fixed lens barrel 11 and the first convex lens 12 are fixed in fixed lens barrel 11 first Trim ring 13；The focusing lens group 2 includes focusing drawtube 21, is arranged in focusing drawtube 21 and to be followed successively by first from front to back recessed The convex lens 23 of lens 22 and second and the second pressure that the first concavees lens 22 and the second convex lens 23 are fixed in focusing drawtube 21 Circle 24.

In the present embodiment, first convex lens 12 for planoconvex spotlight, a diameter of 152mm of first convex lens, The convex center side summit of first convex lens 12 to image planes distance be 222-228mm, it is preferred that first convex lens 12 Convex side peak to image planes distance be 225mm.

Meanwhile, as shown in figure 3, the fixed lens barrel 11 includes fixed cylinder 111 and offered in fixed cylinder 111 First annular neck 112 on wall, first trim ring 13 is arranged on the inwall of fixed cylinder 111, and positioned at first annular neck 112 sides, first convex lens 12 are arranged in first annular neck 112, and the convex side of first convex lens 12 is protruded from Outside fixed cylinder 111.

In the present embodiment, second convex lens 23 are biconvex lens, and first concavees lens 22 are biconcave lens.

Meanwhile, as shown in figure 4, the focusing drawtube 21 is included on focusing cylinder 211, the rear end outer wall of focusing cylinder 211 The second annular slot 2111 is offered, second trim ring 24 has an annular opening of screens 241 and one 242, second trim ring 24 are covered on the second annular slot 2111 of focusing cylinder 211, insert the second annular slot 2111 of the focusing cylinder 211 In the annular screens 241 of second trim ring 24, the convex lens 23 of the first concavees lens 22 and second are arranged in focusing cylinder 211, and The convex side of second convex lens 23 protrudes from outside at the opening 242 of the second trim ring 24,

The distance at the convex center side summit of second convex lens 23 to the rear end face center of the first convex lens 12 is 54- 66mm.A diameter of 102mm of the focusing cylinder 211.

Emphasis of the present utility model is essentially consisted in,

It is described above, only it is preferred embodiment of the present utility model, not technical scope of the present utility model is made Any limitation, therefore the technical characteristic identical or approximate with the utility model above-described embodiment is used, protected of the present utility model Within the scope of shield.

Claims

1. a kind of stage sealed beam lamp lens group, it is characterised in that including fixed lens group and be arranged at fixed lens group front end Focusing lens group, wherein, the fixed lens group includes fixed lens barrel, the first convex lens being arranged in fixed lens barrel and incited somebody to action The first trim ring that first convex lens are fixed in fixed lens barrel；The focusing lens group includes focusing drawtube, is arranged at focusing lens Cylinder is interior and be followed successively by the first concavees lens and the second convex lens from front to back and the first concavees lens and the second convex lens are fixed on into tune The second trim ring in burnt lens barrel.

2. stage sealed beam lamp lens group according to claim 1, it is characterised in that first convex lens for plano-convex it is saturating Mirror, the distance on the convex center side summit of first convex lens to image planes is 222-228mm.

3. stage sealed beam lamp lens group according to claim 2, it is characterised in that the fixed lens barrel includes fixed cylinder Body and offer in the first annular neck on fixed cylinder inwall, first trim ring is arranged on fixed cylinder inwall, and position In first annular neck side, first convex lens are arranged in first annular neck, and the convex side of first convex lens is convex Outside fixed cylinder.

4. stage sealed beam lamp lens group according to claim 2, it is characterised in that the convex side top of first convex lens The distance that point arrives image planes is 225mm.

5. stage sealed beam lamp lens group according to claim 1, it is characterised in that first convex lens it is a diameter of 152mm。

6. according to any described stage sealed beam lamp lens group in claim 1 to 5, it is characterised in that second convex lens For biconvex lens, first concavees lens are biconcave lens.

7. stage sealed beam lamp lens group according to claim 6, it is characterised in that the focusing drawtube includes focusing drum The second annular slot is offered on body, the focusing cylinder back-end outer wall, second trim ring has an annular screens and an opening, Second trim ring is covered on the second annular slot of focusing cylinder, the second annular slot of the focusing cylinder is inserted second and is pressed In the annular screens of circle, first concavees lens and the second convex lens are arranged in focusing cylinder, and the convex side of second convex lens Face protrudes from outside at the opening of the second trim ring.

8. stage sealed beam lamp lens group according to claim 6, it is characterised in that in the convex side of second convex lens The distance at heart summit to the first convex lens rear end face center is 54-66mm.

9. stage sealed beam lamp lens group according to claim 7, it is characterised in that the focusing cylinder it is a diameter of 102mm。