CN209130788U - LED downlight lens - Google Patents
LED downlight lens Download PDFInfo
- Publication number
- CN209130788U CN209130788U CN201821800373.7U CN201821800373U CN209130788U CN 209130788 U CN209130788 U CN 209130788U CN 201821800373 U CN201821800373 U CN 201821800373U CN 209130788 U CN209130788 U CN 209130788U
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- Prior art keywords
- face
- cone
- condenser
- lens
- mirror
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- 230000000694 effects Effects 0.000 claims abstract description 9
- 210000000664 rectum Anatomy 0.000 claims description 6
- 238000005286 illumination Methods 0.000 abstract description 12
- 230000002452 interceptive effect Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 208000002173 dizziness Diseases 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to a kind of LED downlight lens, comprising: cone, condenser, guide-lighting mirror, the cone is the hollow ring body that bottom end is equipped with opening, and its top is fixed on the inside of cylinder on top end face by screw；The condenser is embedded in the cone by buckle；The leaded light mirror, for the platform body structure for surrounding cone setting, top end diameter is less than bottom diameter, and its lateral surface is the arcwall face to concave, and the leaded light mirror is equipped with the circular column with guide-lighting effect close to the axially projecting cone bottom end in the cone two sides.A kind of LED downlight lens disclosed by the utility model use more cave lens, condenser is set in the cone, is avoided the light in condenser from interfering the light in guide-lighting mirror, is replaced existing single cave lens with more cave lens, have many advantages, such as that illumination diffusivity, light conductivity are good, illumination range is wide.
Description
Technical field
The utility model relates to technical field of LED illumination, and in particular to a kind of LED downlight lens.
Background technique
LED is high with luminous efficiency compared to conventional light source, colour rendering is good, power consumption is few, energy conservation and environmental protection, security reliability
Advantage high, with long service life, and be used widely in each field, the main side in lighting source market is considered by industry
To with huge market potential.An optics injection angle of the light source of LED is much unable to satisfy illumination at present and wants at present
It asks, angle, directive property, glare of light etc. require to modify and change by secondary optical design, to meet irradiation environment
Requirement.
Currently, secondary optical design majority is made of lens, reflector two major classes, downlight uses in the market in the prior art
Aggregation is compared in single cave lens, illumination, and diffusivity, light conductivity are poor, and irradiation brightness is high, makes one to feel dizzy eye.
Utility model content
The technical problem to be solved by the present invention is to overcome illumination in the prior art to compare aggregation, diffusivity compared with
Difference, irradiation brightness are excessively high easily to make one the defects of feeling dizzy eye.
For this purpose, the technical solution used is provides a kind of LED downlight lens, comprising:
Cone is equipped with the hollow ring body of opening for bottom end, and top end face on the inside of cylinder is fixed on by screw in its top
On；
Condenser is embedded in the cone by buckle；
Guide-lighting mirror, for the platform body structure for surrounding cone setting, top end diameter is less than bottom diameter, while its lateral surface is
The arcwall face to concave, the leaded light mirror is equipped with close to cone bottom end described in the radially protruding of the cone two sides has leaded light
The circular column of effect.
In above-described embodiment, using more cave lens, condenser is set in the cone, avoids the light in condenser
Interfere the light in guide-lighting mirror.Existing single cave lens are replaced with more cave lens, have illumination diffusivity, light conductivity good, illumination
The advantages that range is wide.
In order to make guide-lighting mirror have good light-dispersing effect, preferred technical solution is that the leaded light mirror includes being set to
The plane of incidence on its top, the first exit facet for being set to the guide-lighting mirror bottom end and far from cone side outer wall the
Two exit facets, the plane of incidence top are correspondingly provided with second light source.Wherein the guide-lighting mirror material is glass or plastics and one
Molding setting, and first exit facet, the second exit facet are atomization face and/or rough surface.
In order to cooperate the downlight of the lens to meet the requirement of human eye comfort level, preferred technical solution is the second light source
Including two and its more than LED light source and the second light source around the first light source be arranged.
In order to preferably carry out the utilization rate that light distribution promotes luminous energy using lens, preferred technical solution is, described
Condenser include top be equipped with for accommodate the counterbore of first light source, be set to the condenser side total reflection mirror surface and
It is set to the positive full impregnated face of the condenser, the total reflection mirror surface is arc surface, and the full impregnated face covers and is installed on institute
State total reflection mirror surface top.
In order to avoid the waste of luminous energy, the utilization rate of luminous energy is improved, preferred technical solution is that the condenser is set as same
2 groups of axis setting, respectively first collector lens and the second collector lens being socketed on the first collector lens lateral wall,
And the first collector lens latus rectum is greater than the second collector lens latus rectum, and the first collector lens are higher than second optically focused
Lens, and the condenser is greater than close to full impregnated face one end outer diameter close to described first light source one end outer diameter, and organizes optically focused
Lens large end face is in the same plane.
In order to preferably carry out the utilization rate that light distribution promotes luminous energy using lens, preferred technical solution is, described to be all-trans
Mirror surface is penetrated as symmetrical smooth conical surface.
Preferably, the annular column outer wall is equipped with buckle or screw thread, and is connected with face ring, and the face ring is covered in described lead
On light microscopic bottom face.
Preferably, the guide-lighting mirror is embedded with one or more magnet on the bottom face of the face ring side, and described
One or more magnet bottom faces are adsorbed on the face ring top end face, by the face ring and the leaded light by way of magnet
Mirror connection.
Technical solutions of the utility model have the advantages that
1. a kind of LED downlight lens provided by the utility model, using more cave lens, condenser is set to the cone
It is interior, avoid the light in condenser from interfering the light in guide-lighting mirror.Existing single cave lens are replaced with more cave lens, there is illumination
The advantages that diffusivity is good, and illumination range is wide.
2. a kind of LED downlight lens provided by the utility model, guide-lighting mirror is set there are two exit facet, has lens good
Light-dispersing effect, light is milder, can satisfy the comfort level of human eye.
3. a kind of LED downlight lens provided by the utility model, guide-lighting mirror is close to cone two sides radially protruding institute
It states cone bottom end and is equipped with the circular column with guide-lighting effect, there is good light guide effect.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure diagram of the first embodiment LED downlight lens of the utility model；
Fig. 2 is the mounting structure schematic diagram of two kinds of light sources in Fig. 1；
Fig. 3 is the structural schematic diagram of condenser in Fig. 1；
Fig. 4 is the structural schematic diagram of guide-lighting mirror in Fig. 2；
Fig. 5 is the overall structure diagram of second of embodiment LED downlight lens of the utility model；
Fig. 6 is the structural schematic diagram of buckling piece in Fig. 5.
In figure: 1. cones；2. condenser；3. guide-lighting mirror；4. first light source；5. second light source；6. face ring；7. cylinder；
8. buckle；9. buckling piece；10. magnet；2-1. counterbore；2-2. is totally reflected mirror surface；2-3. full impregnated face；2-4. first collector lens；
The second collector lens of 2-5.；3-1. circular column；3-2. the plane of incidence；The first exit facet of 3-3.；The second exit facet of 3-4.；3-5. hair
Smooth surface；9-1.U type annulus；9-2. seal receptacle；9-21. column；9-22. spring；9-23. gasket seal.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that term " first ", " second " are used for description purposes only, and
It cannot be understood as indicating or implying relative importance.In addition, involved in the utility model different embodiments disclosed below
Technical characteristic can be combined with each other as long as they do not conflict with each other.
In figure, " → " schematically indicates opticpath.
Embodiment 1
The utility model is described further below in conjunction with attached drawing.
As shown in Figure 1, a kind of LED downlight lens provided by the utility model, comprising:
Cone 1 is equipped with the hollow ring body of opening for bottom end, and 7 inside top of cylinder is fixed on by screw in its top
On face；
Condenser 2 is embedded in the cone 1 by buckle 8；
Guide-lighting mirror 3, to surround the platform body structure that cone 1 is arranged, top end diameter is less than bottom diameter, and its lateral surface is
The arcwall face to concave, the leaded light mirror 3 is equipped with close to 1 bottom end of cone described in the 1 two sides radially protruding of cone to be had
The circular column 3-1 of leaded light effect.
In above-described embodiment, using more cave lens, condenser 2 is set in the cone 1, is avoided in condenser 2
Light interferes the light in guide-lighting mirror 3.Existing single cave lens are replaced with more cave lens, have illumination diffusivity, light conductivity good,
The advantages that illumination range is wide.
As shown in figure 4, preferred technical solution is the leaded light mirror 3 in order to make guide-lighting mirror have good light-dispersing effect
Including being set to the plane of incidence 3-2 on its top, being set to the first exit facet 3-3 of 3 bottom end of the guide-lighting mirror and far from described
Second light source 5 is correspondingly provided with above second exit facet 3-4, the plane of incidence 3-2 of 1 side outer wall of cone.It is wherein described to lead
3 material of light microscopic is glass or plastics and is integrally formed setting, and the first exit facet 3-3, the second exit facet 3-4 are atomization face
And/or rough surface.
Wherein the guide-lighting mirror 3 is made into using transparent plastic.Light source from top throw light enter inside guide-lighting mirror 3 into
Row refraction, wears to circular column 3-1, is resent to the first exit facet 3-3, the second exit facet 3-4.For guarantee circular column 3-1 and
The brightness of the light-emitting surface of first exit facet 3-3, the second exit facet 3-4, the plane of incidence 3-2 and the guide-lighting all side walls of mirror 3 are light
Sliding pellucidity.In order to which circular column 3-1 described in soft light and the first exit facet 3-3, the second exit facet 3-4 are only frosting.
As shown in Fig. 2, preferred technical solution is institute in order to cooperate the downlight of the lens to meet the requirement of human eye comfort level
State second light source 5 include two and its more than LED light source and the second light source 5 around the first light source 4 be arranged.
As shown in figure 3, in order to preferably carry out the utilization rate that light distribution promotes luminous energy, preferred technical side using lens
Case is that the condenser 2 includes that top is equipped with for accommodating the counterbore 2-1 of first light source 4, being set to 2 side of condenser
Total reflection mirror surface 2-2 and be set to the positive full impregnated face 2-3 of the condenser 2, the total reflection mirror surface 2-2 be circular arc
Face, the full impregnated face 2-3 are covered and are installed on the top the total reflection mirror surface 2-2.
In order to avoid the waste of luminous energy, the utilization rate of luminous energy is improved, preferred technical solution is that the condenser 2 is set as
Coaxial arrangement 2 groups, respectively first collector lens 2-4 and be socketed on the first collector lens 2-4 lateral wall second
Collector lens 2-5, and the first collector lens 2-4 latus rectum is greater than the second collector lens 2-5 latus rectum, and first optically focused is saturating
Mirror 2-4 is higher than the second collector lens 2-5, and the condenser 2 is greater than close to the full impregnated face one end 2-3 outer diameter close to institute
4 one end outer diameter of first light source is stated, and 2 groups of collector lens large end faces are in the same plane.
In order to preferably carry out the utilization rate that light distribution promotes luminous energy using lens, preferred technical solution is, described to be all-trans
Mirror surface 2-2 is penetrated as symmetrical smooth conical surface.
As shown in Figure 1, it is preferred that the circular column 3-1 outer wall is equipped with buckle or screw thread, and is connected with face ring 6, the face
Ring 6 is covered on 3 bottom face of the guide-lighting mirror.
Preferably, the guide-lighting mirror 3 is embedded with one or more magnet 10 on the 6 side bottom face of face ring, and
One or more of 10 bottom faces of magnet are adsorbed on 6 top end face of face ring, by way of magnet by the face ring 6 with
The leaded light mirror 3 connects.
Embodiment 2
The place same as Example 1 of embodiment 2 repeats no more, referring to shown in Fig. 5, Fig. 6, the difference is that, it is described to lead
Light microscopic 3 is the frustum structure being arranged around cone 1, and top end diameter is greater than bottom diameter, the incidence including being set to its top
The face 3-2 and light-emitting surface 3-5 for being set to its bottom end.
Further, in order to which condenser 2 is coaxially fixed on cone, the utility model preferred embodiment is institute
State buckling piece 9 include its lateral wall and 1 inner sidewall of cone be connected through a screw thread U-shaped annulus 9-1, be set to the U-shaped annulus
The seal receptacle 9-2 on the U-shaped annulus 9-1, the U-shaped annulus 9-1 sustained height are fixed in the U-type groove of 9-1 and by pin
Two sidewalls it is corresponding and be uniformly provided with multiple fixation holes, the U-shaped annulus 9-1 bottom interior wall is equipped with and each fixed hole position
Set corresponding spring mounting hole.On the screw thread and 1 inner sidewall of cone that the buckling piece 9 passes through U-shaped annulus 9-1 lateral wall
Threaded connection, and make U-shaped annulus 9-1 that seal receptacle 9-2 be driven to move up to the direction of condenser 2 by rotary U-type annulus 9-1
It is dynamic, contact seal receptacle 9-2 with 2 end face of condenser, so that lens subassembly be made to fix.
In order to avoid buckling piece from being moved through more in buckling piece moving process, keep condenser over-stressed, so that damage is poly-
Light microscopic, the utility model preferred embodiment are that the seal receptacle 9-2 is set as circular ring shape and bottom is uniform on the same circumference
Equipped with multiple column 9-21, the upper surface the seal receptacle 9-2 is equipped with the gasket seal mounting groove of annular, on each column 9-21
It is arranged with spring 9-22, the one end the spring 9-22 is sheathed on the column 9-21, the other end is fixed on the spring installation
Hole bottom is fixed with gasket seal 9-23, the gasket seal 9-23 top end face and optically focused in the gasket seal mounting groove
2 bottom face of mirror fits, and the seal receptacle 9-2 side wall middle position is uniformly provided with corresponding more with each position the column 9-21
A strip-shaped hole, each pin sequentially pass through the fixation hole and its corresponding strip-shaped hole and are fixed on the seal receptacle 9-2 for described
It is fixed in the U-type groove of the U-shaped annulus 9-1.The seal receptacle 9-2 follows U-shaped annulus 9-1 to move up to the direction of condenser
Dynamic, when gasket seal 9-23 and condenser end face on the seal receptacle 9-2 are contacted, the strip-shaped hole being arranged on seal receptacle 9-2 makes
Seal receptacle moves and squeezes spring 9-22 on the direction far from condenser, and spring 9-22 is when seal receptacle 9-2 compresses condenser
Play the role of buffering, avoid buckling piece from being moved through more, keep condenser over-stressed, to damage condenser；Squeeze spring 9-
The reaction force of spring 9-22 comes into full contact with gasket seal 9-23 with condenser end face while 22, improve buckling piece 9 with
Leakproofness between condenser, to play the antifog effect of waterproof.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (8)
1.LED downlight lens characterized by comprising
Cone (1) is equipped with the hollow ring body of opening for bottom end, and top on the inside of cylinder (7) is fixed on by screw in its top
On face；
Condenser (2) is nested in the cone (1) by buckle (8)；
Guide-lighting mirror (3), for the platform body structure for surrounding cone (1) setting, top end diameter is less than bottom diameter, and its lateral surface is
The arcwall face to concave, the leaded light mirror (3) set close to axially projecting cone (1) bottom end in the cone (1) end side
There is the circular column (3-1) with guide-lighting effect.
2. LED downlight lens according to claim 1, which is characterized in that the leaded light mirror (3) includes being set to its top
The plane of incidence (3-2), be set to first exit facet (3-3) of described guide-lighting mirror (3) bottom end and far from the cone (1) one
The second exit facet (3-4) of side outer wall, the plane of incidence (3-2) top are correspondingly provided with second light source (5).
3. LED downlight lens according to claim 2, which is characterized in that the second light source (5) include two and its with
On LED light source and the second light source (5) around first light source (4) be arranged.
4. LED downlight lens according to claim 3, which is characterized in that the condenser (2) include top be equipped be used for
The counterbore (2-1) of the first light source (4) is accommodated, the total reflection mirror surface (2-2) of the condenser (2) side is set to and sets
It is placed in the positive full impregnated face (2-3) of the condenser (2), the total reflection mirror surface (2-2) is arc surface, the full impregnated face (2-
3) it covers and is installed on total reflection mirror surface (2-2) top.
5. LED downlight lens according to claim 4, which is characterized in that the condenser (2) is set as the 2 of coaxial arrangement
Group, respectively first collector lens (2-4) and the second collector lens being socketed on the first collector lens (2-4) lateral wall
(2-5), and the first collector lens (2-4) latus rectum is greater than the second collector lens (2-5) latus rectum, and the first collector lens
(2-4) is higher than second collector lens (2-5), and the condenser (2) is greater than close to described full impregnated face (2-3) one end outer diameter
Close to the first light source (4) one end outer diameter, and 2 groups of collector lens large end faces are in the same plane.
6. LED downlight lens according to claim 4, which is characterized in that the total reflection mirror surface (2-2) is symmetrical light
Sliding conical surface.
7. LED downlight lens according to claim 1, which is characterized in that circular column (3-1) outer wall be equipped with buckle or
Screw thread, and face ring (6) are connected with, the face ring (6) is covered on described guide-lighting mirror (3) bottom face.
8. LED downlight lens according to claim 7, characteristic are, the leaded light mirror (3) is close to the face ring (6)
Be embedded on the bottom face of side one or more magnet (10), and one or more of magnet (10) bottom face be adsorbed in it is described
On face ring (6) top end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821800373.7U CN209130788U (en) | 2018-11-02 | 2018-11-02 | LED downlight lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821800373.7U CN209130788U (en) | 2018-11-02 | 2018-11-02 | LED downlight lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209130788U true CN209130788U (en) | 2019-07-19 |
Family
ID=67233872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821800373.7U Expired - Fee Related CN209130788U (en) | 2018-11-02 | 2018-11-02 | LED downlight lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209130788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870226A (en) * | 2020-08-12 | 2020-11-03 | 儋州市人民医院 | Puncture device is assisted to vein |
-
2018
- 2018-11-02 CN CN201821800373.7U patent/CN209130788U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870226A (en) * | 2020-08-12 | 2020-11-03 | 儋州市人民医院 | Puncture device is assisted to vein |
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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: 20190719 |