CN207422120U - The spreadlight lens and lighting device of a kind of adjustable focus - Google Patents
The spreadlight lens and lighting device of a kind of adjustable focus Download PDFInfo
- Publication number
- CN207422120U CN207422120U CN201721499691.XU CN201721499691U CN207422120U CN 207422120 U CN207422120 U CN 207422120U CN 201721499691 U CN201721499691 U CN 201721499691U CN 207422120 U CN207422120 U CN 207422120U
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- light
- out part
- guide section
- light guide
- light out
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Abstract
The utility model belongs to lighting technical field, provide the spreadlight lens and lighting device of a kind of adjustable focus, the spreadlight lens of adjustable focus includes the light guide section for being adjusted to beam direction and the light out part for outgoing beam, the light out part lower face of light guide section and light out part connects, with light out part lower face into the first preset angle, the first preset angle is acute angle for the light out part upper surface of light out part；Equipped with for housing the light guide section lower face through connection of the inner cavity of light source, inner cavity and light guide section in light guide section, light source can move up and down in the lumen；Since light out part upper surface and light out part lower face are into the first preset angle, therefore when the light beam that light source is sent is by the outgoing of light out part upper surface, light beam can shift, so as to generate polarisation, since light source can move up and down in the lumen, therefore the light emitting angle of light source can be adjusted as needed, therefore the spreadlight lens of adjustable focus has been provided simultaneously with polarizing function and focusing function.
Description
Technical field
The utility model belongs to lighting technical field, is the spreadlight lens and photograph for being related to a kind of adjustable focus more specifically
Bright device.
Background technology
Under normal conditions, the lighting device applied to commercial lighting, museum lighting and home lamp place is required for
It is provided simultaneously with the function of focusing and polarisation.Current focusing optical system mainly includes two panels convex lens, frogeye lens, reflector
Add three kinds of technical solutions of convex lens, however the focusing optical system of three of the above scheme does not possess polarizing function.Polarization optical
System is broadly divided into the technical solutions such as spreadlight lens, polarisation reflector, and these technical solutions do not have both focusing function yet, such as
Fruit will replace the light emitting angle of lighting device, then must replace relevant accessory could realize.
More than deficiency, have much room for improvement.
Utility model content
The purpose of this utility model is to provide a kind of spreadlight lens of adjustable focus, to solve lighting device in the prior art
The technical issues of focusing and polarizing function can not be had both simultaneously.
To achieve the above object, the technical solution adopted in the utility model is：A kind of spreadlight lens of adjustable focus is provided, is wrapped
Include the light guide section for being adjusted to beam direction and the light out part for outgoing beam, the light guide section and the light out part
The connection of light out part lower face, the light out part upper surface of the light out part and the light out part lower face are into the first preset angle, institute
The first preset angle is stated as acute angle；The interior inner cavity for being equipped with to house light source of the light guide section, the inner cavity and the light guide section
Light guide section lower face through connection, the light source can move up and down in the inner cavity.
Further, first preset angle is 10 °~30 °.
Further, the light beam through light out part upper surface outgoing and the folder between the vertical line of the light out part lower face
Angle is 10 °~60 °.
Further, the light out part further includes light out part side, upper end and the light out part of the light out part side
Upper surface connects, and the lower end of the light out part side is connected with the light out part lower face.
Further, the light out part is the cylinder chamfer through a plane, and the beveling section of the cylinder is the light extraction
Portion upper surface, the side of the cylinder is the light out part side, and the bottom surface of the cylinder is the light out part lower face.
Further, the inner cavity includes inner top surface and medial surface, and the inner top surface is curved towards the light guide section lower face
Song, the inner top surface are connected with the upper end of the medial surface.
Further, the inner top surface is circular conical surface, and the medial surface is cylindrical surface.
Further, the light guide section further includes the light guide section side reflected light beam, the light guide section side
Face is infundibulate, and the lower end of the light guide section side is connected with the light guide section lower face, the upper end of the light guide section side with
The light guide section upper surface connection.
Further, the area of the light guide section upper surface is more than the area of the light guide section lower face.
The purpose of this utility model, which also resides in, provides a kind of lighting device, and the polarisation including light source and above-mentioned adjustable focus is saturating
Mirror, the light source is arranged on the inner cavity, and the light source can move up and down in the inner cavity.
A kind of advantageous effect of the spreadlight lens of adjustable focus provided by the utility model is：Due to light out part upper surface with
Into the first preset angle, therefore when the light beam that sends of light source is by the outgoing of light out part upper surface, light beam can occur for light out part lower face
Offset, so as to generate polarisation；It, can be as needed to the light emitting anger of light source since light source can move up and down in the lumen
Degree is adjusted；Therefore lens have been provided simultaneously with polarizing function and focusing function, and spreadlight lens hair of the light source Jing Guo adjustable focus
The optical quality that the light beam gone out is formed is intact, and light extraction efficiency is high.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing is briefly described needed in description, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram one of the spreadlight lens for the adjustable focus that the utility model embodiment provides；
Fig. 2 is the structure diagram two of the spreadlight lens for the adjustable focus that the utility model embodiment provides；
Fig. 3 is the cross-sectional view one of the spreadlight lens for the adjustable focus that the utility model embodiment provides；
Fig. 4 is the cross-sectional view two of the spreadlight lens for the adjustable focus that the utility model embodiment provides；
Fig. 5 is a kind of light extraction schematic diagram one of light emitting angle of the spreadlight lens for the adjustable focus that the utility model embodiment provides；
Fig. 6 is a kind of light extraction schematic diagram two of light emitting angle of the spreadlight lens for the adjustable focus that the utility model embodiment provides；
Fig. 7 is a kind of light distribution schematic diagram of light emitting angle of the spreadlight lens for the adjustable focus that the utility model embodiment provides；
Fig. 8 is the light extraction signal of another light emitting angle of the spreadlight lens for the adjustable focus that the utility model embodiment provides
Figure one；
Fig. 9 is the light extraction signal of another light emitting angle of the spreadlight lens for the adjustable focus that the utility model embodiment provides
Figure two；
Figure 10 is that the light distribution of another light emitting angle of the spreadlight lens for the adjustable focus that the utility model embodiment provides shows
It is intended to.
Wherein, each reference numeral in figure：
1- lens；2- light sources；
11- light guide sections；111- light guide sections lower face；112- light guide sections side；
12- light out part；121- light out part upper surface；122- light out part side；
13- inner cavities；131- inner top surfaces；132- medial surfaces.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and advantageous effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, are further elaborated the utility model.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being arranged at " another element, it can be directly on another element
Or it is connected on another element.When an element is known as " being connected to " another element, it can directly be connected
It is connected to another element or is indirectly connected on another element.In addition, term " first ", " second " are only used for description mesh
, and it is not intended that instruction or hint relative importance or the implicit quantity for indicating indicated technical characteristic.It limits as a result,
Surely there is " first ", one or more this feature can be expressed or be implicitly included to the feature of " second ".It is new in this practicality
In the description of type, " multiple " are meant that two or more, unless otherwise specifically defined.
It please refers to Fig.1 to Fig. 5, the spreadlight lens 1 of a kind of adjustable focus, including the leaded light for being used to be adjusted beam direction
Portion 11 and the light out part 12 for outgoing beam, light guide section 11 are connected with the light out part lower face of light out part 12, light out part 12
Light out part upper surface 121 and light out part lower face into the first preset angle a1, the first preset angle a1 be acute angle；It is equipped in light guide section 11
For housing the inner cavity 13 of light source 2, inner cavity 13 and 111 through connection of light guide section lower face of light guide section 11, light source 2 can be in inner cavity
It is moved up and down in 13.
The operation principle of the spreadlight lens 1 of adjustable focus provided in this embodiment is as follows：Light source 2 is contained in inner cavity 13 first
In, then light source 2 is powered, and the light beam that light source 2 is sent enters light guide section 11 by inner cavity 13, the light beam after the reflection of light guide section 11
Light out part 12 is reached, then light beam is emitted by light out part upper surface 121.
Specifically, a position being first fixed on light source 2 in inner cavity 13, the light beam that light source 2 is sent pass through light guide section
The light out part upper surface 121 of light out part 12 is reached after 11 reflections, since light out part upper surface 121 and light out part lower face are into first
Preset angle a1, therefore when light beam is emitted by light out part upper surface 121, light beam can shift, the direction of offset are towards going out
Light portion upper surface 121 is apart from the farther one end in light out part lower face.It, can when needing to be adjusted the light emitting angle of light source 2
Light source 2 is moved to suitable position along the vertical direction in inner cavity 13, the light beam that then light source 2 is sent is reflected by light guide section
The light out part upper surface 121 of light out part 12 is reached afterwards, its angle deviated can also be sent out when light beam is emitted from light out part upper surface 121
Changing, so as to change the light emitting angle of light source 2.
The advantageous effect so set is：Since light out part upper surface 121 and light out part lower face are into the first preset angle
A1, therefore when the light beam that sends of light source 2 is emitted by light out part upper surface 121, light beam can shift, so as to generate polarisation；
Since light source 2 can move up and down in inner cavity 13, the light emitting angle of light source 2 can be adjusted as needed；Cause
This lens 1 has been provided simultaneously with polarizing function and focusing function, and the light beam shape that spreadlight lens 1 of the light source 2 Jing Guo adjustable focus is sent
Into optical quality it is intact, light extraction efficiency is high.
Further, the scope of the first preset angle a1 is 10 °~30 °, is preferably 10 ° or 15 °, so as to meet difference
Requirement of the application scenarios to polarisation.
Further, the light beam through the outgoing of light out part upper surface 121 and the angle between the vertical line of light out part lower face are
The scope of second preset angle a2, a2 is 10 °~60 °.Specifically, consider that the first preset angle a1 is 10 °, light source 2 is contained in inner cavity
In 13；When the light-emitting surface of light source 2 and light guide section lower face 111 are in same level, the light beam that light source 2 is sent is by inner cavity 13
Light out part 12 is reached, light beam reaches light out part 11 after the reflection of light out part 12, and passes through light out part upper surface 121 and be emitted, and goes out
The second preset angle a2 between the light beam and the vertical line of light out part lower face penetrated is about 10 °；When the light-emitting surface of light source 2 is located at cavity volume
When in 13 (position of the light-emitting surface of light source 2 is higher than the position of light guide section lower face 111), the light beam that light source 2 is sent is by going out
Light portion upper surface 121 is emitted, and the light beam of outgoing is inclined towards the one end farther apart from light out part lower face of light out part upper surface 121
It moves, and the light-emitting surface of light source 2 is more remote with a distance from light guide section lower face 111, the angle of outgoing beam offset is bigger, the light beam of outgoing
The value of the second preset angle a2 between the vertical line of light out part lower face is also bigger, and the maximum of the second preset angle a2 is about 60 °.
Further, light out part 12 further includes light out part side 122, upper end and the light out part upper end of light out part side 122
Face 121 connects, and the lower end of light out part side 122 is connected with light out part lower face.Preferably, light out part 12 is to be chamfer through a plane
Cylinder, the beveling section of cylinder is light out part upper surface 121, and the side of cylinder is light out part side 122, and the bottom surface of cylinder is
Light out part lower face, so as to simplify the structure of light out part 12 so that design and manufacturing process are simpler, are conducive to carry out big
Scale manufacturing.It should be appreciated that the structure of light out part 12 be not limited in it is above-mentioned through a plane beveling cylinder or
Other structures, as long as ensureing light out part upper surface 121 and the light out part lower face of light out part 12 into the first preset angle a1.
Further, the size of inner cavity 13 and the size of light source 2 are adapted, and inner cavity 13 includes inner top surface 131 and medial surface
132, inner top surface 131 is bent towards light guide section lower face 111, and inner top surface 131 is connected with the upper end of medial surface 132.Preferably, it is interior
Side 132 is cylinder, and medial surface 132 is on the substantially symmetrical about its central axis of the spreadlight lens 1 of adjustable focus；Inner top surface 131 is with one
Free curve carries out the circular conical surface of mobile formation, central shaft of the inside top surface 131 on the spreadlight lens 1 of adjustable focus for busbar
Symmetrically, and cause when the first preset angle a1 is 10 °, the light-emitting surface of light source 2 and light guide section lower face 111 are in same level,
The light beam that light source 2 is sent energy vertical irradiation after inner top surface 131 to light guide section upper surface, is conducive to the outgoing of light beam.
Further, light guide section 11 further includes the light guide section side 112 reflected light beam, light guide section side
112 be infundibulate, and the lower end of light guide section side 112 is connected with light guide section lower face 111, and the upper end of light guide section side 112 is with leading
Light portion upper surface connects, and light guide section lower face 111 is parallel with light guide section upper surface.Preferably, light guide section side 112 is with another
One free curve carries out the infundibulate curved surface of mobile formation for busbar, and light guide section side 112 is saturating on the polarisation of adjustable focus
Mirror 1 it is substantially symmetrical about its central axis；When the first preset angle a1 is 10 °, the light-emitting surface of light source 2 and light guide section lower face 111 are in same level
During face, the light beam that light source 2 is sent reaches light guide section side 112 after medial surface 132, the energy after light guide section side 112 is reflected
Vertical irradiation is conducive to the outgoing of light beam to light guide section upper surface.
Further, the area of light guide section upper surface is more than the area of light guide section lower face 111, so as to be conducive to through leaded light
The propagation of light beam after the reflection of portion side 112；And the size of the size and shape of light guide section upper surface and light out part lower face and
Shape all same.Preferably, light guide section 11 is integrally formed with light out part 12, so that the light beam that light source 2 is sent is by inner cavity
13 and light guide section 11 after directly reach the light-emitting surface 121 of light out part 12, be conducive to the outgoing of light beam, and then be conducive to improve light extraction
Rate.
Fig. 5 to Fig. 7 is referred to, in one embodiment, the light out part upper surface 121 of the spreadlight lens 1 of adjustable focus is with going out
The first preset angle a1 that light subordinate end face is formed is 10 °, and the light-emitting surface of light source 2 and light guide section lower face 111 are in same level
Face, direction of the segment beam that light source 2 is sent after inner top surface 131 are vertical with light guide section upper surface；The part that light source 2 is sent
Light beam reaches light guide section side 112 after medial surface 132, direction and light guide section upper end after light guide section side 112 is reflected
Face is vertical；Light beam reaches light out part upper surface 121, and is emitted from light out part upper surface 121, light beam and the light out part lower end of outgoing
The second preset angle a2 between the vertical line in face is about 10 °.According to attached drawing 7, the light beam of outgoing and hanging down for light out part lower face
The second preset angle a2 between line is about that the light intensity at 10 ° is maximum, therefore with polarization effect.
Fig. 8 to Figure 10 is referred to, in one embodiment, the light out part upper surface 121 of the spreadlight lens 1 of adjustable focus is with going out
The first preset angle a1 that light subordinate end face is formed is 10 °, and the light-emitting surface of light source 2 is close to 131 (the i.e. light source of inner top surface of inner cavity 13
2 light-emitting surface is farthest with a distance from light guide section lower face 111), side of the segment beam that light source 2 is sent after inner top surface 131
To with light guide section upper surface out of plumb；The segment beam that light source 2 is sent reaches light guide section side 112 after medial surface 132, warp
Direction and light guide section upper surface out of plumb after the reflection of light guide section side 112；Light beam reaches light out part upper surface 121, and from going out
Light portion upper surface 121 is emitted, and the second preset angle a2 maximums between the light beam of outgoing and the vertical line of light out part lower face are about
60°.According to attached drawing 10, compared with attached situation shown in Fig. 7, the position of light intensity maximum is deviated, so as to real
The adjustment of the light emitting angle to light source 2 is showed.
The purpose of the present embodiment, which also resides in, provides a kind of lighting device, and the polarisation including light source 2 and above-mentioned adjustable focus is saturating
Mirror 1, light source 2 is arranged on inner cavity 13, and light source 2 can move up and down in inner cavity 13.
A kind of advantageous effect of lighting device provided in this embodiment is：Due to light out part upper surface 121 and light out part
Into the first preset angle a1, therefore when the light beam that sends of light source 2 is emitted by light out part upper surface 121, light beam can occur for lower face
Offset, so as to generate polarisation；It, can be as needed to the hair of light source 2 since light source 2 can move up and down in inner cavity 13
Angular is adjusted；Therefore lighting device has been provided simultaneously with polarizing function and focusing function, and light source 2 is by the inclined of adjustable focus
The optical quality that the light beam that optical lens 1 is sent is formed is intact, and light extraction efficiency is high.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of spreadlight lens of adjustable focus, it is characterised in that：Including the light guide section for being used to be adjusted beam direction and use
In the light out part of outgoing beam, the light guide section is connected with the light out part lower face of the light out part, the light extraction of the light out part
With the light out part lower face into the first preset angle, first preset angle is acute angle for portion upper surface；It is equipped in the light guide section
For housing the inner cavity of light source, the inner cavity and the light guide section lower face through connection of the light guide section, the light source can be in institute
It states in inner cavity and moves up and down.
2. the spreadlight lens of adjustable focus as described in claim 1, it is characterised in that：First preset angle is 10 °~30 °.
3. the spreadlight lens of adjustable focus as claimed in claim 2, it is characterised in that：The light being emitted through the light out part upper surface
Angle between beam and the vertical line of the light out part lower face is 10 °~60 °.
4. the spreadlight lens of adjustable focus as described in claim 1, it is characterised in that：The light out part further includes light out part side
Face, the upper end of the light out part side are connected with the light out part upper surface, lower end and the light extraction of the light out part side
Subordinate end face connects.
5. the spreadlight lens of adjustable focus as claimed in claim 4, it is characterised in that：The light out part is through plane beveling
Cylinder, the beveling section of the cylinder is the light out part upper surface, and the side of the cylinder is the light out part side, described
The bottom surface of cylinder is the light out part lower face.
6. the spreadlight lens of adjustable focus as described in claim 1, it is characterised in that：The inner cavity includes inner top surface and inside
Face, the inner top surface are bent towards the light guide section lower face, and the inner top surface is connected with the upper end of the medial surface.
7. the spreadlight lens of adjustable focus as claimed in claim 6, it is characterised in that：The inner top surface is circular conical surface, described interior
Side is cylindrical surface.
8. the spreadlight lens of adjustable focus as described in claim 1, it is characterised in that：The light guide section is further included for light beam
The light guide section side reflected, the light guide section side are infundibulate, the lower end of the light guide section side and the light guide section
Lower face connects, and the upper end of the light guide section side is connected with the light guide section upper surface.
9. the spreadlight lens of adjustable focus as claimed in claim 8, it is characterised in that：The area of the light guide section upper surface is more than
The area of the light guide section lower face.
10. a kind of lighting device, it is characterised in that：Polarisation including light source and claim 1~9 any one of them adjustable focus
Lens, the light source is arranged on the inner cavity, and the light source can move up and down in the inner cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721499691.XU CN207422120U (en) | 2017-11-08 | 2017-11-08 | The spreadlight lens and lighting device of a kind of adjustable focus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721499691.XU CN207422120U (en) | 2017-11-08 | 2017-11-08 | The spreadlight lens and lighting device of a kind of adjustable focus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207422120U true CN207422120U (en) | 2018-05-29 |
Family
ID=62305507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721499691.XU Expired - Fee Related CN207422120U (en) | 2017-11-08 | 2017-11-08 | The spreadlight lens and lighting device of a kind of adjustable focus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207422120U (en) |
-
2017
- 2017-11-08 CN CN201721499691.XU patent/CN207422120U/en not_active Expired - Fee Related
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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: 20180529 Termination date: 20211108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |