CN204717510U - A kind of lens devices and LED lamp - Google Patents
A kind of lens devices and LED lamp Download PDFInfo
- Publication number
- CN204717510U CN204717510U CN201520463171.8U CN201520463171U CN204717510U CN 204717510 U CN204717510 U CN 204717510U CN 201520463171 U CN201520463171 U CN 201520463171U CN 204717510 U CN204717510 U CN 204717510U
- Authority
- CN
- China
- Prior art keywords
- exit facet
- optical axis
- convex lens
- lens exit
- lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 55
- 238000007598 dipping method Methods 0.000 claims abstract description 14
- 238000009792 diffusion process Methods 0.000 claims description 8
- 230000000630 rising effect Effects 0.000 claims description 4
- 238000005286 illumination Methods 0.000 abstract description 5
- 230000005855 radiation Effects 0.000 abstract description 2
- 230000001678 irradiating effect Effects 0.000 abstract 2
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A kind of lens devices and LED lamp, comprise at least one optical axis, and one is arranged perpendicular to optical axis with the diffuser plate emergent ray of spot light being diffused as face bright dipping, and one perpendicular to optical axis and the spreadlight lens be arranged on described diffuser plate.Described spreadlight lens comprises the plane plane of incidence perpendicular to optical axis, and is arranged at a first convex lens exit facet and a second convex lens exit facet of described optical axis both sides respectively.The arc length of the outline line crossing with the cross section along optical axis of described first convex lens exit facet and radius of curvature are greater than arc length and the radius of curvature of outline line corresponding to described second convex lens exit facet, and there is through the light of described first convex lens exit facet outgoing the irradiation distance of the light being less than described second convex lens exit facet outgoing, thus make to irradiate and the uniform-illumination irradiated nearby at a distance.The utility model LED lamp emergent ray leads to described lens devices can form the consistent radiation response of illumination irradiating distant place with irradiating nearby.
Description
Technical field
The utility model relates to a kind of lighting device, particularly a kind of lens devices and LED lamp.
Background technology
Along with energy-conserving and environment-protective become the common pursuit of people, the demand of people to low-power consumption, specular removal light fixture grows with each passing day.And LED light source enjoys high praise along with the continuous lifting of light efficiency.But LED light source has fixing lighting angle through a package design, thus can not adapt to the lighting demand of numerous and complicated day by day.Thus, in prior art, the general lens that adopt carry out secondary light-distribution to obtain corresponding illuminating effect.
Because LED emergent ray has otherness in allocation of space, particularly when light fixture has plurality of LEDs light source to irradiate in a big way, light distribution otherness is larger, thus cause allowing to most light is constrained in certain irradiation angle range when adopting single lens to carry out secondary light-distribution, but the light uniformity in this range of exposures is poor.
Utility model content
In view of this, the utility model provides one and light source emergent ray is constrained within the scope of certain angle and in the uniform lens devices of this angular range internal radiation and LED lamp, to solve the problems of the technologies described above.
A kind of lens devices, comprises at least one optical axis, and one is arranged perpendicular to described optical axis with the diffuser plate emergent ray of spot light being diffused as face bright dipping, and one perpendicular to described optical axis and the spreadlight lens be arranged on described diffuser plate.Described spreadlight lens comprises the plane plane of incidence perpendicular to described optical axis, and is arranged at a first convex lens exit facet and a second convex lens exit facet of described optical axis both sides respectively.The arc length of the outline line of the cross section along described optical axis of described first convex lens exit facet and radius of curvature are greater than arc length and the radius of curvature of the outline line of the cross section along this optical axis of described second convex lens exit facet, and are less than the irradiation distance of the light of described second convex lens exit facet outgoing through the irradiation distance of the light of described first convex lens exit facet outgoing.
A kind of LED lamp, comprises at least one LED, and a lens devices.Described lens devices comprises at least one optical axis, and one is arranged perpendicular to described optical axis with the diffuser plate emergent ray of spot light being diffused as face bright dipping, and one perpendicular to described optical axis and the spreadlight lens be arranged on described diffuser plate.Described spreadlight lens comprises the plane plane of incidence perpendicular to described optical axis, and is arranged at a first convex lens exit facet and a second convex lens exit facet of described optical axis both sides respectively.The arc length of the outline line of the cross section along described optical axis of described first convex lens exit facet and radius of curvature are greater than arc length and the radius of curvature of the outline line of the cross section along this optical axis of described second convex lens exit facet, and are less than the irradiation distance of the light of described second convex lens exit facet outgoing through the irradiation distance of the light of described first convex lens exit facet outgoing.Described LED quantity and each a LED corresponding optical axis identical with described optical axis quantity is arranged.
Compared with prior art, the utility model lens devices can make LED emergent ray be diffused as face bright dipping by described diffuser plate, then by described spreadlight lens to constrain within the scope of certain angle by light, obtains more even bright dipping from this angular range.Compared to the second convex lens exit facet, the first convex lens exit facet make more greatly condenser performance more weak along the arc length on the cross section of optical axis and radius of curvature.Thus, the first convex lens exit facet irradiated area is on hand suitable with gained second convex lens exit facet irradiated area a long way off, thus makes this LED lamp be distributed in distant place and uniform light nearby.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described, wherein:
The structural representation of the LED lamp that Fig. 1 provides for the utility model.
Fig. 2 is the three-dimensional exploded view of the LED lamp of Fig. 1.
Fig. 3 is the profile of LED lamp along A-A line of Fig. 1.
Fig. 4 is the bright dipping schematic diagram of the spreadlight lens of the LED lamp of Fig. 2.
Fig. 5 is the structural representation of spreadlight lens along the cross section of optical axis of the LED lamp of Fig. 2.
Detailed description of the invention
Based on accompanying drawing, specific embodiment of the utility model is further elaborated below.Should be understood that, the explanation of the utility model embodiment is not used in and limits protection domain of the present utility model herein.
Refer to Fig. 1 and Fig. 2, the structural representation of its a kind of LED lamp 100 provided for the utility model and three-dimensional exploded view.Described LED lamp 100 comprises at least one LEDs 10, lens devices 20 be arranged on described LED10, and one for carrying the bar shaped lamp bracket 30 of whole light fixture.It may occur to persons skilled in the art that, described LED lamp 100 also comprises the circuit board for arranging described LED10, the power supply and end cap etc. for powering, and it is not the utility model emphasis and technical problem to be solved, just repeats no more at this.
Refer to Fig. 2, described LED (Light Emitting Diode, light emitting diode) 10 as light source for emergent ray.It is envisioned that each LEDs 10 is spot lights, once to encapsulate the even bright dipping of formed beam angle at this LED10.In the present embodiment, described LED10 is many and spaced set is a row, and described LED10 is arranged on circuit boards.
See also Fig. 3, described lens devices 20 comprises at least one optical axis 21, one to arrange perpendicular to described optical axis 21 and the emergent ray of spot light to be diffused as the diffuser plate 22 of face bright dipping, and one perpendicular to described optical axis 21 and the spreadlight lens 23 be arranged on the light direction of described diffuser plate 22.Described diffuser plate 22 and spreadlight lens 23 can be set to the parts be separated, as long as described spreadlight lens 23 is arranged on described diffuser plate 22 perpendicular to optical axis 21.Conveniently same integral installation, described spreadlight lens 23 is made with described diffuser plate 22 is one-body molded, such as adopts Shooting Technique to make.Described spreadlight lens 23 comprises the plane plane of incidence 231 perpendicular to described optical axis 21, and is arranged at a first convex lens exit facet 232 and a second convex lens exit facet 233 of described optical axis 21 both sides respectively.The arc length of the outline line crossing with the cross section along described optical axis 21 on described first convex lens exit facet 232 and radius of curvature are greater than arc length and the radius of curvature of the outline line corresponding to described second convex lens exit facet 233, and the irradiation distance of the light of described first convex lens exit facet 232 outgoing is less than the irradiation distance of the light of described second convex lens exit facet 233 outgoing.
Refer to Fig. 4, it should be noted that, in the utility model, described optical axis 21 is for describing the relative position of the concrete structure of described lens devices 20 and this lens devices 20 and corresponding LED10 clearly, compactly.Specifically, described optical axis 21 is the bright dipping center line of described LED10 and overlaps on geometric space position with described spreadlight lens 21, namely through the described plane plane of incidence 231 center and perpendicular to this plane plane of incidence 231.Again because described first convex lens exit facet 232 and the second convex lens exit facet 233 are separately positioned on described optical axis 21 both sides, thus to enter the quantity of described first convex lens exit facet 232 and the second convex lens exit facet 233 respectively equal for the emergent ray of described LED10.And then, emergent ray mean allocation between described first convex lens exit facet 232 and described second convex lens exit facet 233 of described LED10, the luminous flux namely entering described first convex lens exit facet 232 is identical with the luminous flux entering described second convex lens exit facet 233.
Please continue to refer to Fig. 2 and Fig. 3, described diffuser plate 22 arranges perpendicular to described optical axis 21 and the emergent ray of spot light is diffused as face bright dipping.Described diffuser plate 22 can carry out frosted process by glass plate, XPS, polycarbonate plate etc. and obtain.The rising angle of described diffuser plate 22 can be set to 90 degree to 150 degree.It is envisioned that it is irradiate requirement according to actual range of exposures, irradiation distance etc. and arrange that the rising angle of described diffuser plate 22 is arranged, such as in the present embodiment, the rising angle of described diffuser plate 22 is set to 120 degree.Further, described diffuser plate 22 comprises that the diffusion main part 221 of the emergent ray diffusion that is provided for LED10 and two are separately positioned on described diffusion main part 221 both sides and the stage portion 222 extended along the opposite direction of optical axis 21.Described stage portion 222 is plugged on described bar shaped lamp bracket 30.In the present embodiment, described diffusion main part 221 is arranged to bar shaped tabular with diffusing light.On the one hand, described stage portion 222 along light direction making described diffuser plate main part 221 and described LED10 interval arrange, thus makes that light enters described diffuser plate main part 221.On the other hand, described stage portion 222 makes described diffuser plate 22 be arranged on described bar shaped lamp bracket 30.Described diffusion main part 221 can with described stage portion 222 one-body molded make to facilitate install and improve steadiness.
Please continue to refer to Fig. 3 and Fig. 4, in the present embodiment, described spreadlight lens 23 and described diffuser plate interval are arranged, thus make the described plane of incidence 231 can be designed to more large area so that the bright dipping design of described spreadlight lens 23.The described plane of incidence 231 can be a plane, is convenient to so that bright dipping design to make the incident angle rule of incident ray.The arc length of the outline line crossing with the cross section along described optical axis 21 on described first convex lens exit facet 232 and radius of curvature are greater than arc length and the radius of curvature of the outline line corresponding to described second convex lens exit facet 233, and are less than the irradiation distance of the emergent ray of described second convex lens exit facet 233 through the irradiation distance of the emergent ray of described first convex lens exit facet 232.See also Fig. 5, arc length and the curvature of the outline line crossing with the cross section along described optical axis 21 on described first convex lens exit facet 232 are respectively L1 and R1.Arc length and the radius of curvature of the corresponding outline line of described second convex lens exit facet 233 are respectively L2 and R2.Thus, can know that L1 is greater than L2, and R1 is greater than R2.For the ease of installing, in the present embodiment, described spreadlight lens 23 also comprises two and is separately positioned on described first convex lens exit facet 232 and the second convex lens exit facet 233 both sides and the Access Division 234 extended along the opposite direction of optical axis 21.These two Access Divisions 234 are fastened on described bar shaped lamp bracket 30 respectively.It is envisioned that described Access Division 234 conveniently arranges described spreadlight lens 23, this Access Division 234 does not have optical effect.In the present embodiment, described spreadlight lens 23 adopts that Shooting Technique is one-body molded to be made.For the ease of distinguishing, thus in Fig. 3, Fig. 4 and Fig. 5, introducing dotted line to distinguish described Access Division 234 and described first convex lens exit facet 232 and the second convex lens exit facet 234.It is envisioned that described first convex lens exit facet 232 and the second convex lens exit facet 233 all have light-focusing function.Because the less condenser performance of radius of curvature is stronger, thus relative to the first convex lens exit facet 232 irradiated nearby, irradiate the second convex lens exit facet 233 at a distance and there is stronger condenser performance.
Further, the arc length of described first convex lens exit facet 232 is between 6mm to 10mm.The arc length of described second convex lens exit facet 233 is between 3mm to 5mm.In addition, the radius of curvature of described first convex lens exit facet is between 12mm to 35mm, and the radius of curvature of described second convex lens exit facet is between 4mm to 11mm.According to the requirement of installation environment and irradiation distance, arc length, the radius of curvature of described first convex lens exit facet 232 and the second convex lens exit facet 233 are arranged so that the size of described spreadlight lens 23 is less, can adapt to more how narrow and small installation environment and have larger universal performance.It should be noted that, the arc on described first convex lens exit facet 232 and the second convex lens exit facet 233 can be a smoothed curve, also can be formed by connecting for multistage curve.
It should be noted that, " arc length " mentioned in the utility model all refer to described first convex lens exit facet 232 and the second convex lens exit facet 233 respectively with the length of curve of the outline line crossing along the cross section of optical axis 21 of described spreadlight lens 23.In like manner, " radius of curvature " mentioned by the utility model then refers to the radius of curvature of this outline line.Due in the present embodiment, described lens devices 20 is set to strip, and the above-mentioned cross section along optical axis 21 that is to say the cross section of described lens devices 20.The arc length of the outline line of the cross section along optical axis 21 of described first convex lens exit facet 232 and radius of curvature are greater than arc length and the radius of curvature of the outline line of described second convex lens exit facet 233 on this cross section, make the second convex lens exit facet 233 have the light gathering being greater than described first convex lens exit facet 232.It is envisioned that under same illumination distance prerequisite, the light source irradiation area that condenser performance is stronger is less and to make to obtain light ray energy in unit are stronger.And light beam has diversity, thus irradiation distance is far away, and irradiated area is larger and light ray energy is disperseed.Visible, can telecurie irradiation be made up by the light source that condenser performance is strong and the power dissipation produced.Thus, the illumination that the emergent light of LED10 irradiates distant place through the second convex lens exit facet 233 described in the utility model is consistent with the uniform-illumination that the first convex lens exit facet 232 irradiates nearby.
Please continue to refer to Fig. 1, Fig. 2 and Fig. 3, described bar shaped lamp bracket 30 arranges whole light fixture for supporting.Described bar shaped lamp bracket 30 can adopt any materials to make the strip of the circuit board that accommodatingly can carry a row LED10.Described bar shaped lamp bracket 30 can adopt aluminium section bar to make.It is envisioned that described bar shaped lamp bracket 30 can arrange corresponding groove to coordinate with described diffuser plate 22.It is envisioned that the size of described bar shaped lamp bracket 30, specification are selected according to actual installation demand, just repeat no more at this.
Compared with prior art, the utility model lens devices 20 can make LED10 emergent ray be diffused as face bright dipping by described diffuser plate 22, again by described spreadlight lens 23 so that light is constrained within the scope of certain angle, obtain more even bright dipping from this angular range.Make more greatly condenser performance more weak compared to the second convex lens exit facet 233, first convex lens exit facet 232 along the arc length on the cross section of optical axis and radius of curvature.Thus, the first convex lens exit facet 232 irradiated area is on hand suitable with gained second convex lens exit facet 233 irradiated area a long way off, thus makes this LED lamp 100 be distributed in distant place and uniform light nearby.
These are only preferred embodiment of the present utility model, and be not used in limitation protection domain of the present utility model, any amendment in the utility model spirit, equivalently to replace or improvement etc., be all encompassed in right of the present utility model.
Claims (10)
1. a lens devices, it is characterized in that: described lens devices comprises at least one optical axis, one is arranged perpendicular to described optical axis with the diffuser plate emergent ray of spot light being diffused as face bright dipping, and one perpendicular to described optical axis and the spreadlight lens be arranged on described diffuser plate, described spreadlight lens comprises the plane plane of incidence perpendicular to described optical axis, and be arranged at a first convex lens exit facet and a second convex lens exit facet of described optical axis both sides respectively, the arc length of the outline line of the cross section along described optical axis of described first convex lens exit facet and radius of curvature are greater than arc length and the radius of curvature of the outline line of the cross section along this optical axis of described second convex lens exit facet, and the irradiation distance of the light of described second convex lens exit facet outgoing is less than through the irradiation distance of the light of described first convex lens exit facet outgoing.
2. lens devices according to claim 1, is characterized in that: described spreadlight lens and described diffuser plate interval are arranged.
3. lens devices according to claim 1, is characterized in that: described spreadlight lens and described diffuser plate is one-body molded makes.
4. lens devices according to claim 1, is characterized in that: the rising angle of described diffuser plate is 90 degree to 150 degree.
5. lens devices according to claim 1, is characterized in that: between the arc length 6mm to 10mm of described first convex lens exit facet, and the arc length of described second convex lens exit facet is between 3mm to 5mm.
6. lens devices according to claim 1, is characterized in that: the radius of curvature of described first convex lens exit facet is between 12mm to 35mm, and the radius of curvature of described second convex lens exit facet is between 4mm to 11mm.
7. a LED lamp, comprise at least one LEDs, it is characterized in that: described LED lamp also comprises a lens devices according to any one of claim 1 to 6, described LED quantity and each LEDs equal with a described optical axis quantity respectively corresponding optical axis is arranged.
8. LED lamp according to claim 7, is characterized in that: described lens devices is arranged to strip, and described LED is many and this LED is arranged along described lens devices length direction.
9. LED lamp according to claim 7, it is characterized in that: described LED lamp also comprises a bar shaped lamp bracket, described diffuser plate comprises that the diffusion main part of the emergent ray diffusion that is provided for LED and two are separately positioned on described diffusion main part both sides and the stage portion extended along the opposite direction of optical axis, and described stage portion is plugged on described bar shaped lamp bracket.
10. LED lamp according to claim 7, it is characterized in that: described LED lamp also comprises a bar shaped lamp bracket, described spreadlight lens also comprises two and is separately positioned on described first convex lens exit facet and the second convex lens exit facet both sides and the Access Division extended along the opposite direction of optical axis, and these two Access Divisions are fastened on described lamp bracket respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520463171.8U CN204717510U (en) | 2015-06-29 | 2015-06-29 | A kind of lens devices and LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520463171.8U CN204717510U (en) | 2015-06-29 | 2015-06-29 | A kind of lens devices and LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204717510U true CN204717510U (en) | 2015-10-21 |
Family
ID=54316511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520463171.8U Expired - Fee Related CN204717510U (en) | 2015-06-29 | 2015-06-29 | A kind of lens devices and LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204717510U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976552A (en) * | 2015-06-29 | 2015-10-14 | 赛尔富电子有限公司 | Lens device and LED light fixture |
| CN105180093A (en) * | 2015-10-23 | 2015-12-23 | 欧普照明股份有限公司 | Lens, light source module and lighting devices |
| WO2017067512A1 (en) * | 2015-10-23 | 2017-04-27 | 欧普照明股份有限公司 | Lens, light source module, and illuminating device |
| CN109519883A (en) * | 2018-11-22 | 2019-03-26 | 惠州元晖光电股份有限公司 | The uniform LED bar graph lens of 90 degree of luminosity of one kind and LED bar graph lamp |
-
2015
- 2015-06-29 CN CN201520463171.8U patent/CN204717510U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976552A (en) * | 2015-06-29 | 2015-10-14 | 赛尔富电子有限公司 | Lens device and LED light fixture |
| CN104976552B (en) * | 2015-06-29 | 2017-09-26 | 赛尔富电子有限公司 | A kind of lens devices and LED lamp |
| CN105180093A (en) * | 2015-10-23 | 2015-12-23 | 欧普照明股份有限公司 | Lens, light source module and lighting devices |
| WO2017067512A1 (en) * | 2015-10-23 | 2017-04-27 | 欧普照明股份有限公司 | Lens, light source module, and illuminating device |
| CN109519883A (en) * | 2018-11-22 | 2019-03-26 | 惠州元晖光电股份有限公司 | The uniform LED bar graph lens of 90 degree of luminosity of one kind and LED bar graph lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104976552A (en) | Lens device and LED light fixture | |
| US20100302785A1 (en) | Led lens and assembly | |
| US20160377258A1 (en) | Spread light lens and led strip lights having same | |
| US10534186B2 (en) | Lens strip, LED wall washer with lens strip | |
| US10598340B2 (en) | LED lamp light distribution system and illumination system | |
| CN204717510U (en) | A kind of lens devices and LED lamp | |
| JP2013182729A (en) | Lighting module and lighting device having the same | |
| JP2013182730A (en) | Lighting module, and lighting device having the same | |
| CN204164819U (en) | Can be used for the LED of blackboard illumination | |
| US10295151B2 (en) | Optical member for spot flood lights | |
| CN205316182U (en) | LED lamp | |
| US10174889B2 (en) | LED bar lighting with uniform illumination | |
| KR100900953B1 (en) | Street lamp | |
| CN105180093A (en) | Lens, light source module and lighting devices | |
| CN202371632U (en) | Optical lens for lighting fixture and base using same | |
| CN205048201U (en) | Spreadlight lens and LED bar lamp | |
| CN106813171A (en) | A kind of LED | |
| KR20100006137U (en) | A lighting Apparatus Using LED Diodes | |
| WO2017092604A1 (en) | Led lamp | |
| CN210687896U (en) | Light distribution assembly and lighting lamp | |
| CN210219637U (en) | Lens and blackboard lamp | |
| US10948138B2 (en) | Filter lens, LED lamp with filter lens and illumination system | |
| JP2012227043A (en) | Lighting device | |
| CN212510847U (en) | Desktop lighting device | |
| CN203892941U (en) | Large-angle light-emitting LED lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20180629 |