CN206400180U - A kind of projection lamp camera lens - Google Patents
A kind of projection lamp camera lens Download PDFInfo
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- CN206400180U CN206400180U CN201720058365.9U CN201720058365U CN206400180U CN 206400180 U CN206400180 U CN 206400180U CN 201720058365 U CN201720058365 U CN 201720058365U CN 206400180 U CN206400180 U CN 206400180U
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Abstract
The utility model discloses a kind of projection lamp camera lens, a kind of projection lamp camera lens, including fixed lens barrel and the fixed lens group being arranged inside fixed lens barrel, characterized in that, the fixed lens group includes the first convex lens, concavees lens, the second convex lens and the 3rd convex lens arranged successively from left to right along optical axis；First convex lens are biconvex lens, the concavees lens be concave surface towards a left side, plane towards right plano-concave lens, second convex lens be convex surface towards the right side, plane is towards left planoconvex spotlight, and the 3rd convex lens are convex surface towards a left side, and concave surface is towards right concave-convex lens；The right plane of the concavees lens is fitted with the left plane of the second convex lens, and the left convex surface of first convex lens is in contact with lens barrel inner left wall.Structure design advantages of simple, imaging clearly, rising angle reduces, and spotlight effect is good, and light efficiency utilization rate is high, and appearance and size and volume are all obviously reduced, and facilitates the normal of user to use.
Description
Technical field
The utility model is related to a kind of camera lens, more particularly to a kind of projection lamp camera lens.
Background technology
Nowadays, projection lamp has been widely used in the places such as advertisement, sign and wedding celebration.According to the application scenario of projection lamp
Requirement, user is often desirable to the compact structure that projection lamp can do and projection pattern clearly becomes clear.At present, existing projection lamp is general
Store-through is complex in structure, and volume and weight are larger, and projection pattern definition is not high, and rising angle is larger, the efficiency of light energy utilization
It is low, the problem of beam effect sent is poor.And what these problems were mainly determined by the camera lens of projection lamp.
Therefore, in order to improve the product quality of projection lamp, it is necessary to be improved to the camera lens of projection lamp, to improve projection lamp
Properties.
Utility model content
For above-mentioned deficiency, the purpose of this utility model is to provide a kind of projection lamp camera lens, structure design advantages of simple,
Imaging clearly, rising angle reduces, and spotlight effect is good, and light efficiency utilization rate is high, and appearance and size and volume are all obviously reduced, convenient to use
The normal of family is used.
The utility model is to reach that the technical scheme that above-mentioned purpose is used is：
A kind of projection lamp camera lens, including fixed lens barrel and the fixed lens group that is arranged inside fixed lens barrel, its feature exist
The first convex lens for including arranging successively from left to right along optical axis in, the fixed lens group, concavees lens, the second convex lens and the
Three convex lens；First convex lens are biconvex lens, the concavees lens be concave surface towards a left side, plane is towards right plano-concave lens, institute
It is convex surface towards the right side to state the second convex lens, and plane is towards left planoconvex spotlight, and the 3rd convex lens are convex surface towards a left side, and concave surface is towards right
Concave-convex lens；The right plane of the concavees lens is fitted with the left plane of the second convex lens, the left convex surface of first convex lens with
Lens barrel inner left wall is in contact.
As further improvement of the utility model, an annular kink is provided with the fixed lens barrel inner left wall,
The right convex surface upper and lower ends of second convex lens are fixed on annular kink.
As further improvement of the utility model, the left side of the concavees lens and it is provided with the fixed lens barrel inwall
The one fixed spacer ring of annular, the right convex surface upper end of first convex lens on the left of annular fixation spacer ring with fitting, and this is first convex
The left convex surface upper end of lens and the first fixing trim ring, the left side of first fixing trim ring are provided with the fixed lens barrel inwall
Fitted with fixed lens barrel inner left wall.
As further improvement of the utility model, the inwall on the right side of the fixed lens barrel forms round table-like logical to contract
It is provided with the right side of hole, the round table-like through hole and one matched is provided with an annular slot, the annular slot
Two fixing trim rings, second fixing trim ring includes eyeglass and is respectively arranged at the fixture block at eyeglass two ends, and the fixture block is caught in annular
In neck.
As further improvement of the utility model, the left convex surface upper and lower ends of the 3rd convex lens are fixed on round table-like
The right side of through hole, the right concave surface upper and lower ends of the 3rd convex lens are fixed on the inside of the fixture block of the second fixing trim ring.
It is used as further improvement of the utility model, a diameter of 65mm of the fixed lens barrel；It is first convex lens, recessed
Lens, the diameter of the second convex lens are 60mm；A diameter of 42mm of 3rd convex lens.
As further improvement of the utility model, the distance of the left convex surface culminating point of first convex lens to image planes
For 152.7mm；The left concave surface culminating point of the concavees lens to image planes distance be 131.7mm；The right side of second convex lens
Convex surface culminating point to image planes distance be 123.9mm；Distance of the right concave surface culminating point of 3rd convex lens to image planes
For 45mm, the left convex surface culminating point of the 3rd convex lens to the distance of image planes is 53.5mm.
As further improvement of the utility model, the radius of curvature of the first convex lens plane of incidence is 91-93mm, is gone out
The radius of curvature for penetrating face is 172-174mm；The radius of curvature of the plane of incidence of the concavees lens is 61-63mm, and exit facet is plane；
The plane of incidence of second convex lens is plane, and the radius of curvature of exit facet is 61-63mm；The 3rd convex lens plane of incidence
Radius of curvature is 31-33mm, and the radius of curvature of exit facet is 103-105mm.
As further improvement of the utility model, the center thickness of first convex lens is 10mm；The concavees lens
Center thickness be 9-11mm；The center thickness of second convex lens is 13-15mm；The center thickness of 3rd convex lens
For 6-8mm.
As further improvement of the utility model, the fixed lens barrel structure in T shape.
The beneficial effects of the utility model are：In order, appearance and size and volume all substantially subtract fixed lens group compact conformation
It is small, miniaturization and the lightness of projection lamp are advantageously implemented, facilitates the normal of user to use；It it is 24 ° by using rising angle
Projection lamp camera lens, its efficiency of light energy utilization is high, and spotlight effect is good, becomes apparent from the beam effect sent, meanwhile, design can be compatible
Maximum pattern diameter reach 15mm, pattern imaging clearly；Fixed lens group installs reasonable, close structure, non-loosening phenomenon, knot
Structure stability is high；Focused by screw thread, realize that 3m focuses to infinity.
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 arrangement drawing 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, Fig. 2 are refer to, the utility model embodiment provides a kind of projection lamp camera lens, including fixed lens barrel 1 and setting
Fixed lens group 2 inside fixed lens barrel 1, the fixed lens group 2 includes first arranged successively from left to right along optical axis
Convex lens 21, concavees lens 22, the second convex lens 23 and the 3rd convex lens 24；First convex lens 21 are biconvex lens, described
Concavees lens 22 be concave surface towards a left side, plane is towards right plano-concave lens, and second convex lens 23 are convex surface towards the right side, and plane is towards left flat
Convex lens, the 3rd convex lens 24 be convex surface towards a left side, concave surface is towards right concave-convex lens；The right plane of the concavees lens 22 and the
The left plane laminating of two convex lens 23, the left convex surface of first convex lens 21 is in contact with the inner left wall of fixed lens barrel 1.Using
Such structure design, fixed lens group installs reasonable, and close structure, non-loosening phenomenon, structural stability is high.
In the present embodiment, the inner left wall upper and lower ends of fixed lens barrel 1 are provided with annular kink 11, described second
The right convex surface upper and lower ends of convex lens 23 are fixed on annular kink 3.
In the present embodiment, the left side of the concavees lens 22 and the first fixation spacer ring is provided with the inwall of fixed lens barrel 1
12, the right convex surface upper end of first convex lens 21 and the left side of the first fixation spacer ring 12 fit, first convex lens 21
Left convex surface upper end and the first fixing trim ring 13, the left side of first fixing trim ring 13 are provided with the inwall of fixed lens barrel 1
Fitted with the inner left wall of fixed lens barrel 1.
In the present embodiment, the inwall on the right side of fixed lens barrel 1 forms round table-like through hole 14 to contract, described round table-like
The right side of through hole 14, which is provided with, is provided with a second matched fixation pressure in an annular slot 15, the annular slot 15
Circle 16, second fixing trim ring 16 includes eyeglass 17 and is respectively arranged at the fixture block 18 at the two ends of eyeglass 17, and the fixture block is caught in ring
In shape neck 18.
The left convex surface upper and lower ends of 3rd convex lens 24 are fixed on the right side of round table-like through hole 14, the 3rd convex lens
24 right concave surface upper and lower ends are fixed on the inner side of fixture block 18 of the second fixing trim ring 16.Using such structure design, by the 3rd
Convex lens 24 are fixed on the right-hand member of round table-like through hole 14 by the second fixing trim ring 16.
In the present embodiment, a diameter of 65mm of the fixed lens barrel 1；First convex lens 21, concavees lens 22, second are convex
The diameter of lens 23 is 60mm；A diameter of 42mm of 3rd convex lens 24.
The left convex surface culminating point of first convex lens 21 to image planes distance be 152.7mm；The concavees lens 22
Left concave surface culminating point to image planes distance be 131.7mm；The right convex surface culminating point of second convex lens 23 arrives image planes
Distance is 123.9mm；The right concave surface culminating point of 3rd convex lens 24 to image planes distance be 45mm, the 3rd convex lens
24 left convex surface culminating point to image planes distance be 53.5mm.Using such structure design, fixed lens group compact conformation
In order, appearance and size and volume are all obviously reduced, and are advantageously implemented miniaturization and the lightness of projection lamp, facilitate user's normal
Use.
In the present embodiment, the radius of curvature of the plane of incidence of the first convex lens 21 is 91-93mm, the radius of curvature of exit facet
For 172-174mm；The radius of curvature of the plane of incidence of the concavees lens 22 is 61-63mm, and exit facet is plane；Second convex lens
The plane of incidence of mirror 23 is plane, and the radius of curvature of exit facet is 61-63mm；The radius of curvature of the plane of incidence of 3rd convex lens 24
For 31-33mm, the radius of curvature of exit facet is 103-105mm.
In the present embodiment, the center thickness of first convex lens 22 is 10mm；The center thickness of the concavees lens 22 is
9-11mm；The center thickness of second convex lens 23 is 13-15mm；The center thickness of 3rd convex lens 24 is 6-8mm.
Using such structure design, each lens volume of fixed lens group has all reduced, on the premise of user's request is not influenceed,
Miniaturization and the lightness of projection lamp are realized, facilitates the normal of user to use.
In the present embodiment, the fixed lens barrel 1 structure in T shape.
The utility model is a kind of projection lamp camera lens, and in order, appearance and size and volume are all bright for fixed lens group compact conformation
It is aobvious to reduce, miniaturization and the lightness of projection lamp are advantageously implemented, facilitates the normal of user to use；It is by using rising angle
24 ° of projection lamp camera lens, its efficiency of light energy utilization is high, and spotlight effect is good, becomes apparent from the beam effect sent, meanwhile, design energy
Compatible maximum pattern diameter reaches 15mm, pattern imaging clearly；Fixed lens group installs reasonable, and close structure, non-loosening is existing
As structural stability is high；Focused by screw thread, realize that 3m focuses to infinity.
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 projection lamp camera lens, including fixed lens barrel and the fixed lens group that is arranged inside fixed lens barrel, it is characterised in that
The fixed lens group includes the first convex lens, concavees lens, the second convex lens and the 3rd arranged successively from left to right along optical axis
Convex lens；First convex lens are biconvex lens, the concavees lens be concave surface towards a left side, plane is described towards right plano-concave lens
Second convex lens be convex surface towards the right side, plane is towards left planoconvex spotlight, and the 3rd convex lens are convex surface towards a left side, and concave surface is towards right recessed
Convex lens；The right plane of the concavees lens is fitted with the left plane of the second convex lens, the left convex surface of first convex lens and mirror
Cylinder inner left wall is in contact.
2. projection lamp camera lens according to claim 1, it is characterised in that be provided with one in the fixed lens barrel inner left wall
Annular kink, the right convex surface upper and lower ends of second convex lens are fixed on annular kink.
3. projection lamp camera lens according to claim 2, it is characterised in that the left side of the concavees lens and positioned at fixed lens barrel
The fixed spacer ring of an annular is provided with inwall, the right convex surface upper end of first convex lens on the left of the fixed spacer ring of annular with being affixed
Close, the left convex surface upper end of first convex lens and the first fixing trim ring is provided with the fixed lens barrel inwall, described first consolidates
The left side of level pressure circle fits with fixed lens barrel inner left wall.
4. projection lamp camera lens according to claim 3, it is characterised in that inwall on the right side of the fixed lens barrel is to contract
Formed be provided with the right side of round table-like through hole, the round table-like through hole in an annular slot, the annular slot be provided with one with
The second fixing trim ring matched, second fixing trim ring includes eyeglass and is respectively arranged at the fixture block at eyeglass two ends, should
Fixture block is caught in annular slot.
5. projection lamp camera lens according to claim 4, it is characterised in that the left convex surface upper and lower ends of the 3rd convex lens
The right side of round table-like through hole is fixed on, the right concave surface upper and lower ends of the 3rd convex lens are fixed in the fixture block of the second fixing trim ring
Side.
6. projection lamp camera lens according to claim 5, it is characterised in that a diameter of 65mm of the fixed lens barrel；It is described
First convex lens, concavees lens, the diameter of the second convex lens are 60mm；A diameter of 42mm of 3rd convex lens.
7. projection lamp camera lens according to claim 6, it is characterised in that the left convex surface culminating point of first convex lens
Distance to image planes is 152.7mm；The left concave surface culminating point of the concavees lens to image planes distance be 131.7mm；Described
The right convex surface culminating point of two convex lens to image planes distance be 123.9mm；The right concave surface culminating point of 3rd convex lens
Distance to image planes is 45mm, and the distance of the left convex surface culminating point of the 3rd convex lens to image planes is 53.5mm.
8. projection lamp camera lens according to claim 7, it is characterised in that the radius of curvature of the first convex lens plane of incidence
For 91-93mm, the radius of curvature of exit facet is 172-174mm；The radius of curvature of the plane of incidence of the concavees lens is 61-63mm,
Exit facet is plane；The plane of incidence of second convex lens is plane, and the radius of curvature of exit facet is 61-63mm；Described 3rd
The radius of curvature of the convex lens plane of incidence is 31-33mm, and the radius of curvature of exit facet is 103-105mm.
9. projection lamp camera lens according to claim 8, it is characterised in that the center thickness of first convex lens is
10mm；The center thickness of the concavees lens is 9-11mm；The center thickness of second convex lens is 13-15mm；Described 3rd
The center thickness of convex lens is 6-8mm.
10. projection lamp camera lens according to claim 1, it is characterised in that the fixed lens barrel structure in T shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720058365.9U CN206400180U (en) | 2017-01-18 | 2017-01-18 | A kind of projection lamp camera lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720058365.9U CN206400180U (en) | 2017-01-18 | 2017-01-18 | A kind of projection lamp camera lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206400180U true CN206400180U (en) | 2017-08-11 |
Family
ID=59518503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720058365.9U Expired - Fee Related CN206400180U (en) | 2017-01-18 | 2017-01-18 | A kind of projection lamp camera lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206400180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607982A (en) * | 2022-03-08 | 2022-06-10 | 灵动智能光学(杭州)有限公司 | Underwater laser lighting lamp |
-
2017
- 2017-01-18 CN CN201720058365.9U patent/CN206400180U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607982A (en) * | 2022-03-08 | 2022-06-10 | 灵动智能光学(杭州)有限公司 | Underwater laser lighting lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 Termination date: 20220118 |