CN205878051U - Lamps and lanterns and changeable lens of light -emitting angle thereof - Google Patents
Lamps and lanterns and changeable lens of light -emitting angle thereof Download PDFInfo
- Publication number
- CN205878051U CN205878051U CN201620656395.5U CN201620656395U CN205878051U CN 205878051 U CN205878051 U CN 205878051U CN 201620656395 U CN201620656395 U CN 201620656395U CN 205878051 U CN205878051 U CN 205878051U
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- China
- Prior art keywords
- led lamp
- lamp bead
- lens
- convex part
- rising angle
- Prior art date
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- Expired - Fee Related
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to a lamps and lanterns and changeable lens of light -emitting angle thereof, lamps and lanterns are still including the heat exchanger that looses, light source subassembly and controlling means, the light source subassembly includes PCB board and LED lamp pearl, lens are including going into the plain noodles and going out the plain noodles, the light -emitting is formed with the protruding portion that a plurality of intervals set up towards the direction salient of keeping away from into the plain noodles, the cross section of protruding portion be that bow -shaped just arcuate span is the same, the high difference of a plurality of protruding portions, therefore each protruding corresponding light -emitting angle diverse of portion, therefore each protruding corresponding light -emitting angle diverse of portion, each protruding in one of them part protruding portion all to there being a plurality of LED lamp pearls, the protruding portion of remainder is not during to due LED lamp pearl, the light -emitting angle is controlled to luminance of accessible controlling means control LED lamp pearl and/or the position of LED lamp pearl.
Description
Technical field
This utility model relates to lighting technical field, particularly relates to a kind of light fixture and the variable lens of rising angle thereof.
Background technology
A kind of optical element that lens are made up of transparency material (such as glass, crystal etc.).Lens are the foldings according to light
Penetrate what rule was made.
The rising angle of conventional lenses is mostly fixing, such as, 60 ° of lens, refer to rising angle and be fixed as 60 °,
Other angles can not be changed into.If it is intended to the rising angle of other angle, the lens of other rising angle need to be produced.The most just
It is to say, needs different rising angle, need to make different lens and realize, it is impossible to accomplish that same lens have and different go out light
Angle.
Utility model content
Based on this, it is necessary to for above-mentioned technical problem, it is provided that light fixture that a kind of rising angle is variable and lens thereof.
The lens that a kind of rising angle is variable, including incidence surface and exiting surface, described exiting surface is back on described incidence surface
Arranging, light is injected from described incidence surface, and is penetrated from described exiting surface, and described exiting surface is to the direction away from described incidence surface
Highlighting and be formed with multiple spaced convex part, the cross section of described convex part is that the span of arch and arch is identical, multiple
The height of described convex part is different.
Wherein in an embodiment, described convex part is annular, and multiple described convex parts are formed spaced apart same
Heart annulus.
Wherein in an embodiment, the height of described convex part increases successively along donut direction from inside to outside.
Wherein in an embodiment, the height of described convex part is sequentially reduced along donut direction from inside to outside.
Wherein in an embodiment, each convex part height is crisscross arranged.
Wherein in an embodiment, described incidence surface is formed fluted along caving near the direction of described exiting surface, institute
State groove corresponding with described convex part.
Wherein in an embodiment, its edge is also prominent is formed with clinch, described clinch include sloped sidewall and
Level overlap joint wall, described sloped sidewall is tilted extension by the edge of lens to the direction of described exiting surface and is formed, and described level is taken
Connect wall and be parallel to the setting of described exiting surface.
A kind of light fixture, including:
Heat dissipating housing, has a host cavity；
Light source assembly, is contained in described host cavity, and described light source assembly includes pcb board and LED lamp bead, described LED
The quantity of pearl is multiple, and multiple described LED lamp bead are removable installed on described pcb board；And
The lens that rising angle as described in any one in above-described embodiment is variable, the lens that described rising angle is variable
Being covered on described heat dissipating housing, multiple described LED lamp bead are positioned at inside described incidence surface, multiple described LED lamp bead all and its
In convex part described in corresponding, or multiple described LED lamp bead is corresponding with multiple described convex parts according to predetermined ratio.
A kind of light fixture, including:
Heat dissipating housing, has a host cavity；
Light source assembly, is contained in described host cavity, and described light source assembly includes pcb board and LED lamp bead, described LED
The quantity of pearl is multiple, and multiple described LED lamp bead are arranged on described pcb board；
Control device, for controlling the brightness of described LED lamp bead；And
The lens that rising angle as described in any one in above-described embodiment is variable, the lens that described rising angle is variable
Being covered on described heat dissipating housing, multiple described LED lamp bead are positioned at inside described incidence surface, and each convex part is all to there being multiple institute
State LED lamp bead.
A kind of light fixture, including:
Heat dissipating housing, has a host cavity；
Light source assembly, is contained in described host cavity, and described light source assembly includes pcb board and LED lamp bead, described LED
The quantity of pearl is multiple, and multiple described LED lamp bead are arranged on described pcb board；
Control device, for controlling the brightness of described LED lamp bead；And
The lens that rising angle as described in any one in above-described embodiment is variable, the lens that described rising angle is variable
Being covered on described heat dissipating housing, multiple described LED lamp bead are positioned at inside described incidence surface, each in a portion convex part
Convex part is all to there being multiple LED lamp bead, and remainder convex part is to there being LED lamp bead.
The light fixture of an above-mentioned embodiment and the variable lens of rising angle thereof at least have the advantage that
Lens cover is located on heat dissipating housing, and pcb board and LED lamp bead are positioned at inside the incidence surface of lens, goes out light due to lens
Being formed with multiple spaced convex part away from the direction of incidence surface is prominent, the cross section of convex part is arch and arch
Span identical, the height of multiple convex parts is different, and the rising angle that therefore each convex part is corresponding is different, LED lamp bead
Be removably disposed on pcb board, when multiple LED lamp bead are all corresponding with a wherein convex part, now rising angle with should
The rising angle that convex part is corresponding is identical；When needing to change rising angle, LED lamp bead is disassembled and is installed to and another convex lens
The position that portion is corresponding；Can also multiple LED lamp bead corresponding with multiple convex parts according to predetermined ratio, now beam angle
Degree is the predetermined angular between minimum angles and maximum angle.
The light fixture of another embodiment above-mentioned and the variable lens of rising angle thereof at least have the advantage that
Lens cover is located on heat dissipating housing, and pcb board and LED lamp bead are positioned at inside the incidence surface of lens, goes out light due to lens
Being formed with multiple spaced convex part away from the direction of incidence surface is prominent, the cross section of convex part is arch and arch
Span identical, the height of multiple convex parts is different, and the rising angle that therefore each convex part is corresponding is different, each convex lens
Portion, all to there being multiple LED lamp bead, now can control the luminance ratio of LED lamp bead, by rising angle control by controlling device
A certain predetermined angular between minimum angles and maximum angle.
The light fixture of above-mentioned another embodiment and the variable lens of rising angle thereof at least have the advantage that
Lens cover is located on heat dissipating housing, and pcb board and LED lamp bead are positioned at inside the incidence surface of lens, goes out light due to lens
Being formed with multiple spaced convex part away from the direction of incidence surface is prominent, the cross section of convex part is arch and arch
Span identical, the height of multiple convex parts is different, and the rising angle that therefore each convex part is corresponding is different, when wherein one
Each convex part in part convex part all to there being multiple LED lamp bead, remainder convex part not to when should have LED lamp bead,
Rising angle can be controlled by controlling the position of brightness and/or LED lamp bead that device controls LED lamp bead.
Accompanying drawing explanation
Fig. 1 is the structural representation of light fixture in an embodiment；
Fig. 2 is the structural representation at another visual angle of light fixture shown in Fig. 1；
Fig. 3 is the decomposing schematic representation of light fixture shown in Fig. 1；
Fig. 4 is the decomposing schematic representation at another visual angle of light fixture shown in Fig. 1；
Fig. 5 is the front view of lens in Fig. 4；
Fig. 6 is the sectional view of lens shown in Fig. 5；
Fig. 7 is the partial enlarged drawing in Fig. 6 at A；
Fig. 8 is the partial enlarged drawing in Fig. 6 at B；
Fig. 9 is the partial enlarged drawing in Fig. 6 at C；
Figure 10 is the schematic diagram that LED lamp bead corresponds to the convex part of lens；
Figure 11 is the schematic diagram of the convex part that LED lamp bead corresponds to lens in another embodiment；
Figure 12 is the schematic diagram of the convex part that LED lamp bead corresponds to lens in a further embodiment.
Detailed description of the invention
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with the accompanying drawings to this
The detailed description of the invention of utility model is described in detail.Elaborate a lot of detail in the following description so that fully
Understand this utility model.But this utility model can be implemented to be much different from alternate manner described here, this area
Technical staff can do similar improvement in the case of this utility model intension, and therefore this utility model is not by following public affairs
The restriction being embodied as opened.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly on another element
Or element placed in the middle can also be there is.When an element is considered as " connection " another element, and it can be to be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left ",
For illustrative purposes only, being not offered as is unique embodiment for " right " and similar statement.
Unless otherwise defined, all of technology used herein and scientific terminology are led with belonging to technology of the present utility model
The implication that the technical staff in territory is generally understood that is identical.At term used in the description of the present utility model it is simply herein
The purpose of specific embodiment is described, it is not intended that in limiting this utility model.Each technical characteristic of embodiment described above
Can combine arbitrarily, for making description succinct, not to all possible combination of each technical characteristic in above-described embodiment
All it is described, but, as long as the combination of these technical characteristics does not exist contradiction, all it is considered to be the model that this specification is recorded
Enclose.
Refer to Fig. 1 to Fig. 4, be the light fixture 10 in an embodiment.This light fixture 10 is specifically as follows bulkhead lamp etc..Specifically
In present embodiment, light fixture 10 includes the lens 300 that heat dissipating housing 100, light source assembly and rising angle are variable.
Heat dissipating housing 100 has a host cavity (figure is not marked), and host cavity is for parts such as light source assemblies.Heat dissipating housing 100
Multiple radiating fin 110 it is additionally provided with, to improve the radiating efficiency of heat dissipating housing 100 on lateral wall.
The outside of heat dissipating housing 100 is additionally provided with power pack 400 and power supply (not shown), and power supply is housed in power pack 400,
Power pack 400 is crossed on heat dissipating housing 100.Mounting ring 500 it is additionally provided with on power pack 400, can be by light fixture by mounting ring 500
10 are fixed on other objects.
Light source assembly is contained in host cavity.Light source assembly includes pcb board 210 and LED lamp bead 220 (Figure 10), LED lamp bead
220 electrically connect with pcb board 210.The quantity of LED lamp bead 220 is multiple, and multiple LED lamp bead 220 are removable installed in pcb board
On 210.
Seeing also Fig. 5 to Fig. 9, the variable lens 300 of rising angle are covered on heat dissipating housing 100, LED lamp bead 220
The rays pass through lens 300 sent penetrates.O-ring seal (not shown) it is additionally provided with, to increase between lens 300 and heat dissipating housing 100
Big sealing between lens 300 and heat dissipating housing 100.
Lens 300 include incidence surface 300a and exiting surface 300b, and exiting surface 300b is arranged back on incidence surface 300a.Lens
300 when being covered on heat dissipating housing 100, and incidence surface 300a exposes to heat dissipating housing 100 towards host cavity, exiting surface 300b.Multiple LED
Lamp bead 220 is positioned at inside incidence surface 300a, and the light that LED lamp bead 220 sends injects lens 300 from incidence surface 300a, and from going out
Bright finish 300b penetrates lens 300.
Exiting surface 300b is formed with multiple spaced convex part 310, phase to away from the direction of incidence surface 300a is prominent
A lens groove 320 is formed between adjacent two convex parts 310.The cross section of convex part 310 is that the span of arch and arch is identical, many
The height of individual convex part 310 is different, and therefore, the rising angle of multiple convex part 310 correspondences is the most different.Such as, convex lens shown in Fig. 7
The rising angle in portion 310 is 120 °.The rising angle of the convex part 310 shown in Fig. 8 is 90 °.Described in Fig. 9, convex part 310 goes out
Angular is 60 °.
Lens 300 are substantially round in shape, and convex part 310 is in annular, and multiple convex parts 310 form concentric circular spaced apart
Ring.Such as, the height of convex part 310 increases successively along donut direction from inside to outside.Certainly, at other embodiment
In, the height of convex part 310 is sequentially reduced along donut direction from inside to outside.Can hand over each convex part 310 height
Wrong setting.Or the height of convex part 310 is the most arbitrarily arranged.
Certainly, in other embodiments, the shape of lens 300 is not specifically limited, and multiple convex parts 310 are all right
Linearly it be arranged in parallel.
Specific in present embodiment, incidence surface 300a forms fluted 330 along near the direction of exiting surface 300b depression,
Groove 330 is corresponding with convex part 310.Therefore, when LED lamp bead 220 is installed on pcb board 210, the end of LED lamp bead 220
Can stretch in groove 330, so that the light major part that LED lamp bead 220 sends penetrates along lens 300.
The edge of lens 300 is also prominent forms clinch 340, and clinch 340 includes sloped sidewall 341 and level overlap joint wall
342, sloped sidewall 341 is tilted extension by the edge of lens 300 to the direction of exiting surface 300b and is formed, and level overlap joint wall 342 is flat
Row is arranged in exiting surface 300b.Certainly, the sloped sidewall of clinch can also be straight sidewall, and straight sidewall is perpendicular to exiting surface 300b
Arrange.
Multiple LED lamp bead 220 are positioned at the inner side of incidence surface 300a.Specific in present embodiment, multiple LED lamp bead 220
All corresponding with a wherein convex part 310.Now, the beam angle that the rising angle of these lens 300 is corresponding with this convex part 310
Spend identical.Such as, in the illustrated embodiment of Figure 10, multiple LED lamp bead 220 are entirely located in the convex lens that rising angle is 120 °
Inside portion 310, therefore, the rising angle of these lens 300 is 120 °.During as the rising angle of lens 300 need to be changed, can be by
LED lamp bead 220 disassembles, and reinstalls to position corresponding with the convex part 310 of required angle on pcb board 210.
Certainly, in other embodiments, it is also possible to multiple LED lamp bead 220 are according to predetermined ratio and multiple convex parts
310 is corresponding, and now the rising angle of lens 300 is the predetermined angular between minimum angles (0 °) and maximum angle (180 °).
Such as, convex part 310 is respectively to there being multiple LED lamp bead 220 partly or completely, and the most multiple LED lamp bead 220 send
When light is by convex part 310, it may occur that crossing or overlapping, therefore the rising angle of lens 300 is each to there being LED lamp bead
The rising angle that the rising angle of the convex part 310 of 220 is formed the most afterwards.By controlling the LED lamp bead of convex part 310 correspondence
The quantitative proportion of 220, can control any one angle between minimum angles and maximum angle the rising angle of lens 300
Degree.
Refer to Figure 11, for the LED lamp bead 220 ' in another embodiment corresponding to the showing of convex part of lens 300 '
It is intended to.In the embodiment shown in Figure 11, this light fixture also includes controlling device (not shown), controls device and is used for controlling LED
The brightness of lamp bead 220 '.For example, it is possible to by control power supply output electric current, to each or often string LED lamp bead 220 ' carry out
The input regulation of different electric currents, to reach to control the brightness of LED lamp bead 220 '.
In the embodiment shown in Figure 11, multiple LED lamp bead 220 ' are arranged on pcb board, such as can by fixing or
Person's removably mode is arranged.Multiple LED lamp bead 220 ' are positioned at inside incidence surface, and each convex part is all to there being multiple LED
Pearl 220 '.By controlling the luminance ratio of LED lamp bead 220 ', rising angle is controlled between minimum angles and maximum angle
A certain predetermined angular.
Refer to Figure 12, the LED lamp bead 220 in another embodiment " corresponding to lens 300 " the signal of convex part
Figure.In the embodiment shown in Figure 11, this light fixture also includes controlling device (not shown), controls device and is used for controlling LED
Pearl 220 " brightness.For example, it is possible to by control power supply output electric current, to each or often string LED lamp bead 220 " carry out not
With electric current input regulate, with reach control LED lamp bead 220 " brightness.
In the embodiment shown in Figure 12, multiple LED lamp bead 220 " be arranged on pcb board, such as can by fixing or
Person's removably mode is arranged.Each convex part in a portion convex part is all to there being multiple LED lamp bead 220 ", residue
Part convex part is to there being LED lamp bead.That is, the inner side of some convex part is vacancy, is not provided with LED lamp bead.
Now, can by control device control LED lamp bead 220 " brightness and/or LED lamp bead 220 " position control
Rising angle.That is, can separately through control LED lamp bead 220 " luminance ratio control rising angle.Can also be separately through
Change LED lamp bead 220 " position change rising angle.Can also by control LED lamp bead 220 " luminance ratio and change
LED lamp bead 220 " position jointly change rising angle.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, for the common skill of this area
For art personnel, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into
Protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (10)
1. the lens that a rising angle is variable, it is characterised in that including incidence surface and exiting surface, described exiting surface is back on institute
Stating incidence surface to arrange, light injects from described incidence surface, and penetrates from described exiting surface, described exiting surface to away from described enter light
The direction in face is prominent is formed with multiple spaced convex part, and the cross section of described convex part is the span phase of arch and arch
With, the height of multiple described convex parts is different.
The lens that rising angle the most according to claim 1 is variable, it is characterised in that described convex part is annular, many
Individual described convex part forms donut spaced apart.
The lens that rising angle the most according to claim 2 is variable, it is characterised in that the height of described convex part is along with one heart
Annulus direction from inside to outside increases successively.
The lens that rising angle the most according to claim 2 is variable, it is characterised in that the height of described convex part is along with one heart
Annulus direction from inside to outside is sequentially reduced.
The lens that rising angle the most according to claim 1 is variable, it is characterised in that each convex part height interlocks and sets
Put.
The lens that rising angle the most according to claim 1 is variable, it is characterised in that described incidence surface goes out described in close
The direction depression of bright finish is formed fluted, and described groove is corresponding with described convex part.
The lens that rising angle the most according to claim 1 is variable, it is characterised in that its edge is also prominent is formed with overlap joint
Portion, described clinch include sloped sidewall and level overlap joint wall, described sloped sidewall by the edge of lens to described exiting surface
Direction tilts to extend formation, and described level overlap joint wall is parallel to described exiting surface and arranges.
8. a light fixture, it is characterised in that including:
Heat dissipating housing, has a host cavity；
Light source assembly, is contained in described host cavity, and described light source assembly includes pcb board and LED lamp bead, described LED lamp bead
Quantity is multiple, and multiple described LED lamp bead are removable installed on described pcb board；And
The lens that rising angle is variable as claimed in any of claims 1 to 7 in one of claims, the lens cover that described rising angle is variable
Being located on described heat dissipating housing, multiple described LED lamp bead are positioned at inside described incidence surface, multiple described LED lamp bead all with wherein
Described in one, convex part is corresponding, or multiple described LED lamp bead is corresponding with multiple described convex parts according to predetermined ratio.
9. a light fixture, it is characterised in that including:
Heat dissipating housing, has a host cavity；
Light source assembly, is contained in described host cavity, and described light source assembly includes pcb board and LED lamp bead, described LED lamp bead
Quantity is multiple, and multiple described LED lamp bead are arranged on described pcb board；
Control device, for controlling the brightness of described LED lamp bead；And
The lens that rising angle is variable as claimed in any of claims 1 to 7 in one of claims, the lens cover that described rising angle is variable
Being located on described heat dissipating housing, multiple described LED lamp bead are positioned at inside described incidence surface, and each convex part is all multiple described to having
LED lamp bead.
10. a light fixture, it is characterised in that including:
Heat dissipating housing, has a host cavity；
Light source assembly, is contained in described host cavity, and described light source assembly includes pcb board and LED lamp bead, described LED lamp bead
Quantity is multiple, and multiple described LED lamp bead are arranged on described pcb board；
Control device, for controlling the brightness of described LED lamp bead；And
The lens that rising angle is variable as claimed in any of claims 1 to 7 in one of claims, the lens cover that described rising angle is variable
Being located on described heat dissipating housing, multiple described LED lamp bead are positioned at inside described incidence surface, each convex in a portion convex part
Portion is all to there being multiple LED lamp bead thoroughly, and remainder convex part is to there being LED lamp bead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620656395.5U CN205878051U (en) | 2016-06-27 | 2016-06-27 | Lamps and lanterns and changeable lens of light -emitting angle thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620656395.5U CN205878051U (en) | 2016-06-27 | 2016-06-27 | Lamps and lanterns and changeable lens of light -emitting angle thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205878051U true CN205878051U (en) | 2017-01-11 |
Family
ID=57693310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620656395.5U Expired - Fee Related CN205878051U (en) | 2016-06-27 | 2016-06-27 | Lamps and lanterns and changeable lens of light -emitting angle thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205878051U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761854A (en) * | 2018-04-26 | 2018-11-06 | 武汉华星光电技术有限公司 | Light source module group, backlight module and liquid crystal display device |
| CN110726119A (en) * | 2019-11-29 | 2020-01-24 | 广东洲明节能科技有限公司 | Lens unit, lens and lamp |
-
2016
- 2016-06-27 CN CN201620656395.5U patent/CN205878051U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761854A (en) * | 2018-04-26 | 2018-11-06 | 武汉华星光电技术有限公司 | Light source module group, backlight module and liquid crystal display device |
| CN108761854B (en) * | 2018-04-26 | 2019-09-10 | 武汉华星光电技术有限公司 | Light source module group, backlight module and liquid crystal display device |
| WO2019205476A1 (en) * | 2018-04-26 | 2019-10-31 | 武汉华星光电技术有限公司 | Light source module, backlight module, and liquid crystal display device |
| CN110726119A (en) * | 2019-11-29 | 2020-01-24 | 广东洲明节能科技有限公司 | Lens unit, lens and lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |