CN206400173U - A kind of small-scale stage sealed beam lamp lens group - Google Patents
A kind of small-scale stage sealed beam lamp lens group Download PDFInfo
- Publication number
- CN206400173U CN206400173U CN201720057854.2U CN201720057854U CN206400173U CN 206400173 U CN206400173 U CN 206400173U CN 201720057854 U CN201720057854 U CN 201720057854U CN 206400173 U CN206400173 U CN 206400173U
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- Prior art keywords
- lens
- convex lens
- fixed
- small
- beam lamp
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Abstract
The utility model discloses a kind of small-scale stage sealed beam lamp lens group, including fixed lens barrel and lens group, lens group includes the preceding convex lens being sequentially distributed from front to back, concavees lens and rear convex lens, fixed lens barrel inwall front end offers annular groove, fixed lens barrel rear inner wall is provided with annular inclined part, fixing trim ring has been caught in annular groove, fixed spacer ring is provided with annular inclined part, annular clamping part before forming one on fixed lens barrel inwall and between fixing trim ring and fixed spacer ring, there is rear annular clamping part on fixed lens barrel inwall and positioned at annular inclined part rear end, preceding convex lens with concavees lens before being arranged in annular clamping part, after convex lens are arranged in afterwards in annular clamping part.The utility model reasonable in design, each lens arrangement is close, and overall dimensions are small, lightweight, are advantageously implemented miniaturization and the lightness of stage lighting；Meanwhile, light beam rising angle is reduced, the efficiency of light energy utilization is improved, spotlight effect is good, improves beam effect.
Description
Technical field
The utility model is related to a kind of lens group, more particularly to a kind of small-scale stage sealed beam lamp lens group.
Background technology
In stage, sealed beam lamp is a kind of highly important light fixture, is mainly used in the past in large-scale stage, with
The rise of small-scale stage, has very big demand to the stage sealed beam lamp adapted to therewith.Sealed beam lamp is because by beam size and light efficiency
Influence is often massiveness.And height of requirement of the small-scale stage to beam size and light efficiency all without large-scale stage.It is simultaneously small
Type stage is built and dismounting is required for quickly, and the installation and removal of too large-sized sealed beam lamp all have certain inconvenience.
Meanwhile, as the requirement of stage sealed beam lamp is uprised, higher is required to the camera lens suitable for stage sealed beam lamp.Existing dance
Platform 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.
Accordingly, it would be desirable to optimize improvement to the camera lens of stage sealed beam lamp, while reducing stage lighting volume and weight, again
Less rising angle can be kept, is conducive to stage sealed beam lamp to develop to miniaturization with lightness.
Utility model content
For above-mentioned deficiency, the purpose of this utility model is to provide a kind of small-scale stage sealed beam lamp lens group, and structure is set
Meter is reasonable, and each lens arrangement is close, and overall dimensions are small, lightweight, are advantageously implemented miniaturization and the lightness of stage lighting；Together
When, light beam rising angle is reduced, the efficiency of light energy utilization is improved, spotlight effect is good, improves beam effect.
The utility model is to reach that the technical scheme that above-mentioned purpose is used is：
A kind of small-scale stage sealed beam lamp lens group, it is characterised in that including fixed lens barrel and be arranged in fixed lens barrel
Lens group, wherein, the lens group includes the preceding convex lens, concavees lens and rear convex lens being sequentially distributed from front to back, described solid
Fixed lens barrel inwall front end offers an annular groove, the fixed lens barrel rear inner wall is provided with an annular inclined part, the annular groove
In be caught in a fixing trim ring, a fixation spacer ring is provided with the annular inclined part, on the fixed lens barrel inwall and positioned at solid
Annular clamping part before forming one between level pressure circle and fixed spacer ring, on the fixed lens barrel inwall and positioned at annular inclined part rear end
With annular clamping part after one, the preceding convex lens with concavees lens before being arranged in annular clamping part, after the rear convex lens are arranged in
In annular clamping part.
As further improvement of the utility model, small-scale stage sealed beam lamp lens group according to claim 1, its
It is characterised by, a diameter of 108-112mm of the fixed lens barrel, the preceding convex lens, the diameter of concavees lens and rear convex lens are
58-62mm。
As further improvement of the utility model, the preceding convex lens are biconvex lens, and the concavees lens are that convex-concave is saturating
Mirror, the rear convex lens are concave-convex lens, and the rear convex side of the preceding convex lens and the preceding concave side of concavees lens are fitted, should
The rear convex side of concavees lens is in contact with the lordosis side of rear convex lens.
As further improvement of the utility model, the center thicknesses of the preceding convex lens is 25-27mm, and the preceding convex lens
The lordosis center side summit of mirror to image planes distance be 134-136mm.
As further improvement of the utility model, the center thickness of the concavees lens is before 2-4mm, and the concavees lens
Concave side culminating point to image planes distance be 109-110mm.
As further improvement of the utility model, the center thicknesses of the rear convex lens is 11-13mm, and the rear convex lens
The lordosis center side summit of mirror is 105-106mm to the distance of image planes, and concave side culminating point is to the distance of image planes thereafter
88-92mm。
As further improvement of the utility model, the radius of curvature in the lordosis lens entrance face is 107-109mm, is gone out
The radius of curvature for penetrating face is 107-109mm.
As further improvement of the utility model, the radius of curvature of the concavees lens plane of incidence is 107-109mm, outgoing
The radius of curvature in face is 440-442mm.
As further improvement of the utility model, the radius of curvature of the rear convex lens plane of incidence is 74-76mm, outgoing
The radius of curvature in face is 215-217mm.
As further improvement of the utility model, the internal diameter of fixed lens barrel is gradually reduced the annular inclined part, makes
The internal diameter of the open rearward end of fixed lens barrel is less than the internal diameter of front opening.
The beneficial effects of the utility model are：Using rational structure design, each lens install reasonable, and arrangement is close, whole
Body size is small, lightweight, difficulty and cost that reduction stage is set up, is advantageously implemented miniaturization and the lightness of stage lighting, special
Shi Yongyu not small-scale stage；Meanwhile, light beam rising angle is reduced, light beam rising angle is 2.5 °, improves the efficiency of light energy utilization, gathers
Light effect is good, improves beam effect.
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 sectional view of the present utility model；
Fig. 2 is the structural representation of the utility model fixed lens barrel.
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 and Fig. 2 are refer to, the utility model embodiment provides a kind of small-scale stage sealed beam lamp lens group, including fixation
Lens barrel 1 and the lens group 2 being arranged in fixed lens barrel 1, wherein, the lens group 2 includes the lordosis being sequentially distributed from front to back
Lens 21, concavees lens 22 and rear convex lens 23, the inwall front end of fixed lens barrel 1 offers an annular groove 11, in the fixed mirror
1 rear inner wall of cylinder is provided with an annular inclined part 12, a fixing trim ring 3 has been caught in the annular groove 11, the annular inclined part 12
In be provided with a fixation spacer ring 4, before forming one on the inwall of fixed lens barrel 1 and between fixing trim ring 3 and fixed spacer ring 4
Annular clamping part 13, on the inwall of fixed lens barrel 1 and positioned at the rear end of annular inclined part 12 have one after annular clamping part 14, should
Preceding convex lens 21 are before being arranged in concavees lens 22 in annular clamping part 13, and the rear convex lens 23 are arranged in rear annular clamping part 14
In.
The internal diameter of fixed lens barrel 1 is gradually reduced the annular inclined part 12, make fixed lens barrel 1 open rearward end 15 it is interior
Footpath is less than the internal diameter of front opening 16.
In the present embodiment, a diameter of 108-112mm of the fixed lens barrel 1, the preceding convex lens 21, concavees lens 22 are with after
The diameter of convex lens 23 is 58-62mm.
Meanwhile, the preceding convex lens 21 are biconvex lens, and the concavees lens 22 are meniscus, and the rear convex lens are 23
Concave-convex lens, the rear convex side of the preceding convex lens 21 and the preceding concave side of concavees lens 22 are fitted, after the concavees lens 22
Convex side is in contact with the lordosis side of rear convex lens 23.
The center thickness of the preceding convex lens 21 is 25-27mm, and the lordosis center side summit of the preceding convex lens 21 arrives
The distance of image planes is 134-136mm.The radius of curvature of the plane of incidence of preceding convex lens 21 is 107-109mm, the curvature of exit facet
Radius is 107-109mm.
The center thickness of the concavees lens 22 is 2-4mm, and the preceding concave side culminating point of the concavees lens 22 arrives image planes
Distance is 109-110mm.The radius of curvature of the plane of incidence of concavees lens 22 is 107-109mm, and the radius of curvature of exit facet is
440-442mm。
The center thickness of the rear convex lens 23 is 11-13mm, and the lordosis center side summit of the rear convex lens 23 arrives
The distance of image planes be 105-106mm, thereafter concave side culminating point to image planes distance be 88-92mm.The rear convex lens 23
The radius of curvature of the plane of incidence is 74-76mm, and the radius of curvature of exit facet is 215-217mm.
The present embodiment provide lens group, can combine focusing movements mechanism come control light beam rising angle or pattern it is clear
Clear degree, the minimum rising angle that focusing movements mechanism can reach is 2.5 °, and maximum pattern diameter reaches 6mm.Meanwhile, the present embodiment
The space of abundance is reserved between the lens group and pattern disk of offer to be used to add the optics such as prism, atomizing piece, color chips, real
A variety of stage optical effects of existing stage lighting.
Emphasis of the present utility model is essentially consisted in, using rational structure design, and each lens install reasonable, and arrangement is close,
Overall dimensions are small, lightweight, difficulty and cost that reduction stage is set up, are advantageously implemented miniaturization and the lightness of stage lighting,
It is particularly suitable for use in small-scale stage；Meanwhile, light beam rising angle is reduced, light beam rising angle is 2.5 °, improves the efficiency of light energy utilization,
Spotlight effect is good, improves beam effect.
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 (10)
1. a kind of small-scale stage sealed beam lamp lens group, it is characterised in that including fixed lens barrel and the mirror being arranged in fixed lens barrel
Head group, wherein, the lens group includes the preceding convex lens, concavees lens and rear convex lens, the fixation being sequentially distributed from front to back
Lens barrel inwall front end offers an annular groove, the fixed lens barrel rear inner wall is provided with an annular inclined part, in the annular groove
A fixing trim ring has been caught in, a fixation spacer ring is provided with the annular inclined part, on the fixed lens barrel inwall and positioned at fixation
Annular clamping part before forming one between trim ring and fixed spacer ring, on the fixed lens barrel inwall and positioned at annular inclined part rear end tool
Annular clamping part after having one, the preceding convex lens are before being arranged in concavees lens in annular clamping part, and the rear convex lens are arranged in rear ring
In shape clamping part.
2. small-scale stage sealed beam lamp lens group according to claim 1, it is characterised in that the fixed lens barrel it is a diameter of
108-112mm, the diameter of the preceding convex lens, concavees lens and rear convex lens is 58-62mm.
3. small-scale stage sealed beam lamp lens group according to claim 1, it is characterised in that the preceding convex lens are lenticular
Mirror, the concavees lens are meniscus, and the rear convex lens are concave-convex lens, rear convex side and the concavees lens of the preceding convex lens
Preceding concave side is fitted, and the rear convex side of the concavees lens is in contact with the lordosis side of rear convex lens.
4. small-scale stage sealed beam lamp lens group according to claim 3, it is characterised in that the center of the preceding convex lens is thick
Spend for 25-27mm, and the preceding convex lens lordosis center side summit to the distance of image planes be 134-136mm.
5. small-scale stage sealed beam lamp lens group according to claim 3, it is characterised in that the center thickness of the concavees lens
For 2-4mm, and the concavees lens preceding concave side culminating point to the distance of image planes be 109-110mm.
6. small-scale stage sealed beam lamp lens group according to claim 3, it is characterised in that the center of the rear convex lens is thick
Spend for 11-13mm, and the rear convex lens lordosis center side summit to the distance of image planes be 105-106mm, concave side thereafter
Culminating point to image planes distance be 88-92mm.
7. according to any described small-scale stage sealed beam lamp lens group in claim 1 to 6, it is characterised in that the preceding convex lens
The radius of curvature of the mirror plane of incidence is 107-109mm, and the radius of curvature of exit facet is 107-109mm.
8. according to any described small-scale stage sealed beam lamp lens group in claim 1 to 6, it is characterised in that the concavees lens
The radius of curvature of the plane of incidence is 107-109mm, and the radius of curvature of exit facet is 440-442mm.
9. according to any described small-scale stage sealed beam lamp lens group in claim 1 to 6, it is characterised in that the rear convex lens
The radius of curvature of the mirror plane of incidence is 74-76mm, and the radius of curvature of exit facet is 215-217mm.
10. according to any described small-scale stage sealed beam lamp lens group in claim 1 to 6, it is characterised in that the annular is inclined
The internal diameter of fixed lens barrel is gradually reduced inclined portion, the internal diameter of the open rearward end of fixed lens barrel is less than the internal diameter of front opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720057854.2U CN206400173U (en) | 2017-01-18 | 2017-01-18 | A kind of small-scale stage sealed beam lamp lens group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720057854.2U CN206400173U (en) | 2017-01-18 | 2017-01-18 | A kind of small-scale stage sealed beam lamp lens group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206400173U true CN206400173U (en) | 2017-08-11 |
Family
ID=59518487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720057854.2U Expired - Fee Related CN206400173U (en) | 2017-01-18 | 2017-01-18 | A kind of small-scale stage sealed beam lamp lens group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206400173U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703597A (en) * | 2017-11-15 | 2018-02-16 | 中山依瓦塔光学有限公司 | A kind of lens assembly and its fish eye lens of application |
| CN107807433A (en) * | 2017-11-15 | 2018-03-16 | 中山依瓦塔光学有限公司 | A kind of lens assembly and its fish eye lens of application |
| TWI823048B (en) * | 2020-10-28 | 2023-11-21 | 南韓商三星電機股份有限公司 | Camera module and electronic device |
-
2017
- 2017-01-18 CN CN201720057854.2U patent/CN206400173U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703597A (en) * | 2017-11-15 | 2018-02-16 | 中山依瓦塔光学有限公司 | A kind of lens assembly and its fish eye lens of application |
| CN107807433A (en) * | 2017-11-15 | 2018-03-16 | 中山依瓦塔光学有限公司 | A kind of lens assembly and its fish eye lens of application |
| TWI823048B (en) * | 2020-10-28 | 2023-11-21 | 南韓商三星電機股份有限公司 | Camera module and electronic device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 Termination date: 20220118 |
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| CF01 | Termination of patent right due to non-payment of annual fee |