CN206863467U - A kind of projection lamp - Google Patents
A kind of projection lamp Download PDFInfo
- Publication number
- CN206863467U CN206863467U CN201720778453.6U CN201720778453U CN206863467U CN 206863467 U CN206863467 U CN 206863467U CN 201720778453 U CN201720778453 U CN 201720778453U CN 206863467 U CN206863467 U CN 206863467U
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- light
- projecting
- collector lens
- cavity
- light source
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Abstract
The utility model discloses a kind of projection lamp, and it is included：One cavity, has a light-emitting window, and the light-emitting window is located at the end of cavity；One light source, is arranged in cavity, and the light that the light source is sent is advanced towards light-emitting window；One projecting glass piece, is arranged between light source and light-emitting window, and the projecting glass piece has a projecting figure with laser engraving；One first collector lens, simultaneously adjacent projections sheet glass is arranged between projecting glass piece and light-emitting window；And one second collector lens, it is arranged on the line direction of light source and light-emitting window.The projecting figure is projected to an image and presented on object sequentially by projecting glass piece, first collector lens and the second collector lens by the light that light source is sent.Projection lamp described in the utility model can be such that projecting figure is produced in a manner of laser engraving, and projecting figure has pinpoint accuracy and high sharpness, and the word projected can be clearly displayed with pattern and presented in image on object, and effect is good, practical.
Description
Technical field
It the utility model is related to a kind of transparency projector, particularly a kind of projection lamp.
Background technology
Transparency projector is a kind of common bulletin device.Known transparency projector, it is that will be intended to project displaying
Word and pattern printing to transparent transparency on, and using light source, condenser lens, speculum and camera lens, by transparency
The content of printing is projected to projection screen, so that spectators watch.
However, because the word on transparency or picture are made through printing, its sharpness is not sufficiently good so that printing
After the word on transparency or pattern are amplified to a certain degree via projector, often have lines uneven with it is ambiguous
Problem, effect are unsatisfactory.
Utility model content
In view of the above-mentioned problems existing in the prior art, the purpose of this utility model, which is to provide one kind, to have projecting figure
Pinpoint accuracy and high sharpness, and the projection lamp that the word projected can clearly be shown with pattern.
To achieve the above object, the technical solution adopted in the utility model is as follows：
A kind of projection lamp, comprising：One cavity, has a light-emitting window, and the light-emitting window is located at the end of the cavity；One light
Source, it is arranged in the cavity, the light that the light source is sent is advanced towards the light-emitting window；One projecting glass piece, is arranged at
Between the light source and the light-emitting window, the projecting glass piece has a projecting figure with laser engraving；One first collector lens,
It is arranged between the projecting glass piece and the light-emitting window and the adjacent projecting glass piece；And one second collector lens,
It is arranged on the line direction of the light source and the light-emitting window；Wherein, the light that the light source is sent sequentially passes through the throwing
Shadow sheet glass, first collector lens and the second collector lens, and the projecting figure is projected to an image object is presented.
A kind of embodiment, the projecting glass piece have a lighttight dope layer on surface, the dope layer via
Laser engraving removes and forms the projecting figure of printing opacity.
A kind of embodiment, the cavity are divided into two sections, one section of light around the light source to the projecting glass piece
Travel path, another section around the light travel path between the first collector lens and the second collector lens, the projection glass
Glass piece and the first collector lens are arranged between two sections of cavitys.
Preferably, the cavity is cylindric cavity.
Preferably, the light source is LED.
Preferably, the first collector lens and second collector lens are spherical projection lens.
Preferably, the projection lamp also includes a bearing, and the cavity is placed among the bearing.
Compared to prior art, advantageous effects of the present utility model are：
Projection lamp provided by the utility model can make projecting figure have pinpoint accuracy and high sharpness, be projected
Word can clearly show that effect is good with pattern, practical.
Brief description of the drawings
Fig. 1 is a kind of side elevational cross-section structural representation for projection lamp that the utility model embodiment provides；
Fig. 2 is the cross-sectional view in A-A directions in Fig. 1；
Fig. 3 is dimensional structure diagram of the projection lamp of the utility model embodiment offer in use state.
Label is schematically as follows in figure：100th, projection lamp；1st, cavity；11st, light-emitting window；2nd, light source；3rd, projecting glass piece；4a、
First collector lens；4b, the second collector lens；5th, bearing；S, object is presented in image.
Embodiment
The technical solution of the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Embodiment
As shown in figure 1, a kind of projection lamp 100 that the present embodiment provides, comprising：One cavity 1, a light source 2, a projecting glass
Piece 3, a first collector lens 4a, one second collector lens 4b and a bearing 5.
In the present embodiment, the cavity wall of the cavity 1 uses lighttight material, such as：Copper.The work of lighttight cavity wall
It is transmitted through with the light for being to avoid light source 2 from sending outside the cavity 1.The opening of the cavity 1 is a light-emitting window 11, for light
Line transmits.In the present embodiment, the cavity 1 is cylindrical cavity, and light-emitting window 11 is located at the cylindrical cavity end
Opening.In other embodiments, the cavity 1 or square tube shape or other tubulars or tubular cavity.
In the present embodiment, the cavity 1 is divided to for two sections, and first paragraph is around the light source 2 to the projecting glass piece 3
Light travel path, second segment is around the light travel path between the first collector lens 4a and the second collector lens 4b.Institute
State projecting glass piece 3 and the first collector lens 4a is arranged between two sections of cavitys.Such a set-up mode is easy to disassemble with putting
Change the projecting glass piece 3 of different content.In other embodiments, a cavity 1 also can be only used, and by the projection glass
Glass piece 3 and the first collector lens 4a are fixed among the cavity 1.The light source 2 is arranged in the cavity 1, described
The light that light source 2 is sent is advanced towards the light-emitting window 11.
In the present embodiment, the light source 2 is LED, is arranged at end of the cavity 1 relative to light-emitting window 11.LED has
The advantages of long lifespan, power consumption are low, small volume, it is a preferable light source.The light source of the light source 2 or other species.
Fig. 2 is referred to, the projecting glass piece 3 has a lighttight dope layer on surface, and the dope layer is via sharp
Light engraving removes and forms the projecting figure of printing opacity.The scope of this dope layer represents that projecting figure is projection with site in fig. 2
The white space that sheet glass 3 is not covered by site.By the high machining accuracy of laser engraving, accurate and high sharpness can obtain
Projecting figure.The projection lamp 100 of this patent forms projected image by the light of the projecting figure through the printing opacity.
The first collector lens 4a, it is arranged between the projecting glass piece 3 and the light-emitting window 11 and adjacent described
Projecting glass piece 3.In the present embodiment, the projecting glass piece 3 and the first collector lens 4a are arranged at the first paragraph of cavity 1
The mouth of pipe and positioned at cavity 1 first paragraph and second segment between.The second collector lens 4b, it is arranged at the light source 2 and institute
State on the line direction of light-emitting window 11.In the present embodiment, the second collector lens 4b is arranged at the light-emitting window of the cavity 1
11.In other embodiments, the second collector lens 4b may also set up among the cavity 1.
In the present embodiment, the first collector lens 4a and the second collector lens 4b is all that aspherical optically focused is saturating
Mirror, substantially without spherical aberration so that light is projected to figure by first collector lens 4a and the second collector lens 4b
As the projecting figure that object S is presented has good sharpness.Two apparent surfaces of spherical projection lens are respectively one flat
Face and a convex surface.In the present embodiment, the first collector lens 4a convex surface facing the light-emitting window 11, second optically focused
Lens 4b convex surface facing the first collector lens 4a.But this patent not limited to this, first collector lens 4a and the second optically focused
Other types of collector lens, such as Fresnel lens or spherical lens can also be used in lens 4b.
Further, the projection lamp 100 of this patent further includes a bearing 5, and the cavity 1 is placed in the bearing 5
Among.Or it is arranged at other positions of the bearing 5.In the present embodiment, the bearing 5 is wood materials.
Fig. 1 and Fig. 3 are referred to, the light that the light source 2 is sent is sequentially saturating by the projecting glass piece 3, the first optically focused
Mirror 4a and the second collector lens 4b, and the projecting figure is projected to image object S is presented.In the present embodiment, described image
It can be projection screen, wall, ceiling that object S, which is presented, and the projecting figure the light to be formed shows.
Summary embodiment is visible, and projection lamp described in this patent can be such that projecting figure is made in a manner of laser engraving
Go out, with it is traditional print out projecting figure compared with, projecting figure has pinpoint accuracy and a high sharpness, the word projected with
Pattern can clearly display to be presented on object in image, and effect is good, practical.
It is last it is necessarily pointed out that：It the foregoing is only the preferable embodiment of the utility model, but this
The protection domain of utility model is not limited thereto, and any one skilled in the art discloses in the utility model
In technical scope, the change or replacement that can readily occur in should all be covered within the scope of protection of the utility model.
Claims (7)
1. a kind of projection lamp, it is characterised in that include：
One cavity, has a light-emitting window, and the light-emitting window is located at the end of the cavity；
One light source, it is arranged in the cavity, the light that the light source is sent is advanced towards the light-emitting window；
One projecting glass piece, is arranged between the light source and the light-emitting window, and the projecting glass piece has one with laser engraving
Projecting figure；
One first collector lens, are arranged between the projecting glass piece and the light-emitting window and the adjacent projecting glass piece；
And
One second collector lens, it is arranged on the line direction of the light source and the light-emitting window；
Wherein, the light that the light source is sent sequentially by the projecting glass piece, first collector lens and the second collector lens,
The projecting figure is projected to an image and presented on object.
2. projection lamp according to claim 1, it is characterised in that：The projecting glass piece is lighttight with one on surface
Dope layer, the dope layer remove via laser engraving and form the projecting figure of printing opacity.
3. projection lamp according to claim 1, it is characterised in that：The cavity is divided into two sections, and one section around the light source
To the light travel path of the projecting glass piece, another section around the light between the first collector lens and the second collector lens
Line travel path, the projecting glass piece and the first collector lens are arranged between two sections of cavitys.
4. the projection lamp according to claim 1 or 3, it is characterised in that：The cavity is cylindric cavity.
5. projection lamp according to claim 1, it is characterised in that：The light source is LED.
6. projection lamp according to claim 1, it is characterised in that：The first collector lens and second collector lens
For spherical projection lens.
7. the projection lamp according to claim 1 or 3, it is characterised in that：A bearing is also included, the cavity is placed in described
Among bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720778453.6U CN206863467U (en) | 2017-06-30 | 2017-06-30 | A kind of projection lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720778453.6U CN206863467U (en) | 2017-06-30 | 2017-06-30 | A kind of projection lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206863467U true CN206863467U (en) | 2018-01-09 |
Family
ID=60829611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720778453.6U Expired - Fee Related CN206863467U (en) | 2017-06-30 | 2017-06-30 | A kind of projection lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206863467U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844004A (en) * | 2018-07-17 | 2018-11-20 | 深圳市中孚能电气设备有限公司 | A kind of projection lamp |
| CN110143359A (en) * | 2019-05-17 | 2019-08-20 | 深圳市家家用激光设备有限公司 | A kind of anti-fake projection bottle cap of nanometer and manufacture craft |
| CN112739950A (en) * | 2018-09-25 | 2021-04-30 | 海拉有限双合股份公司 | Projection type headlamp for vehicle and vehicle |
| CN114326279A (en) * | 2020-09-29 | 2022-04-12 | 宁波舜宇车载光学技术有限公司 | Reflective projection system and method of manufacturing the same |
-
2017
- 2017-06-30 CN CN201720778453.6U patent/CN206863467U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844004A (en) * | 2018-07-17 | 2018-11-20 | 深圳市中孚能电气设备有限公司 | A kind of projection lamp |
| WO2020015328A1 (en) * | 2018-07-17 | 2020-01-23 | 深圳市中孚能电气设备有限公司 | Projection lamp assembly and projection lamp |
| CN112739950A (en) * | 2018-09-25 | 2021-04-30 | 海拉有限双合股份公司 | Projection type headlamp for vehicle and vehicle |
| CN112739950B (en) * | 2018-09-25 | 2024-01-12 | 海拉有限双合股份公司 | Projection type headlamp for vehicle and vehicle |
| CN110143359A (en) * | 2019-05-17 | 2019-08-20 | 深圳市家家用激光设备有限公司 | A kind of anti-fake projection bottle cap of nanometer and manufacture craft |
| CN114326279A (en) * | 2020-09-29 | 2022-04-12 | 宁波舜宇车载光学技术有限公司 | Reflective projection system and method of manufacturing the same |
| CN114326279B (en) * | 2020-09-29 | 2024-06-11 | 宁波舜宇车载光学技术有限公司 | Reflective projection system and method of manufacturing the same |
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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 |
Granted publication date: 20180109 Termination date: 20180630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |