CN204227319U - A kind of large-angle LED lens and wide-angle bulb lamp - Google Patents
A kind of large-angle LED lens and wide-angle bulb lamp Download PDFInfo
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- CN204227319U CN204227319U CN201420640008.XU CN201420640008U CN204227319U CN 204227319 U CN204227319 U CN 204227319U CN 201420640008 U CN201420640008 U CN 201420640008U CN 204227319 U CN204227319 U CN 204227319U
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- bulb lamp
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Abstract
The utility model discloses a kind of large-angle LED lens and wide-angle bulb lamp, this lens bottom is provided with the cavity for holding LED, and the inner top surface of this cavity forms the plane of incidence of lens; These lens also comprise the first exiting surface being located at its side and the second exiting surface being located at its top, and this second exiting surface is the annular surface of epirelief, and the height of the external end edge of this annular surface is higher than the height of ora terminalis in it.Wide-angle bulb lamp comprises bulb lamp body, is provided with above-mentioned large-angle LED lens in this bulb lamp body.The utility model is by carrying out rational Design on Plane to the structure of lens, therefrom combine the advantage of vertical heat radiator and reflector, the rising angle of bulb lamp is made to reach optimum state (rising angle of bulb lamp is greater than more than 270 °), and can ensure that bulb lamp surrounding side and end face are without hot spot phenomenon, overall brightness is even, meets the light distribution requirements of ES (Energy Star) and CEC (California efficiency).
Description
Technical field
The utility model relates to field of light fittings, particularly relates to a kind of large-angle LED lens and wide-angle bulb lamp.
Background technology
Bulb lamp is a kind of LED illumination lamp, because the luminescence of LED has directionality, and is unidirection luminous, makes the bright dipping mode of traditional bulb lamp can not reach wide-angle luminescence, causes its light angle little, there is illumination dead angle, affects the illuminating effect in space.At present, the bulb lamp of prior art is in order to realize wide-angle luminescence, what have makes vertical structure by its radiator 1 ＇, and LED 2 ＇ is secured to the surrounding side (as shown in Figure 1) of this radiator 1 ＇, the then design reflector 3 ＇ (as shown in Figure 2) had or lens.But adopt the mode improved radiator 1 ＇ structure, its production technology and production and assembly are all remarkable, in assembling process, task difficulty is large, and process costs is high, and can produce obvious hot spot in A district (as shown in Figure 1).Adopt the design of reflector 3 ＇, due to the limitation that reflector 3 ＇ designs, part light light loss after secondary reflection can be caused large, virtually define light waste, in addition, also can occur a circle hot spot phenomenon in B district (as shown in Figure 2).Adopt the design of mirror lens, because the structure of mirror lens exists limitation, cause its rising angle not reach optimum state.
Utility model content
The purpose of this utility model is the deficiency overcoming prior art, and provide a kind of large-angle LED lens and wide-angle bulb lamp, it can not only realize wide-angle bright dipping, also have overall brightness evenly, without features such as hot spots.
The utility model solves the technical scheme that its technical problem adopts: a kind of large-angle LED lens, and this lens bottom is provided with the cavity for holding LED, and the inner top surface of this cavity forms the plane of incidence of lens; These lens also comprise the first exiting surface being located at its side and the second exiting surface being located at its top, and this second exiting surface is the annular surface of epirelief, and the height of the external end edge of this annular surface is higher than the height of ora terminalis in it.
Further, described second exiting surface comprises interior annular surface and outer ring curved surface, and interior annular surface is integrally connected on the inner side of outer ring curved surface, and the height of the external end edge of interior annular surface and outer ring curved surface is respectively higher than the height of ora terminalis in it; The radius of interior annular surface is 6 ~ 12mm, and the radius of outer ring curved surface is 40 ~ 45mm.
Further, described first exiting surface and described cavity are respectively in annular shape.
Further, the medium position of described lens is provided with the perforate of a up/down perforation, and the upper limb of this perforate accepts the interior ora terminalis of described first exiting surface; The hole wall of this perforate is provided with at least two lugs, and each lug is respectively equipped with an installing hole.
Further, the bottom outer rim of described lens has some crossed beam trunkings along its circumferential directions, and the inner side of each crossed beam trunking leads to described cavity respectively, and the external world is led to respectively in outside.
A kind of wide-angle bulb lamp, comprises bulb lamp body, is provided with the large-angle LED lens as above described in any one in this bulb lamp body.
Further, described bulb lamp body comprises lamp holder, Lamp cup, driving power, the light source board that multiple LED is housed and lampshade; Lamp holder is installed on one end place of Lamp cup, and lampshade is installed on the other end place of Lamp cup, and driving power and light source board are installed in the cavity that Lamp cup and lampshade surround respectively, and driving power electrical connection lamp holder and light source board; Described lens are installed on light source board front, and each LED of the cavity of described lens parcel light source board.
Further, described light source board is positioned at outside the other end of described Lamp cup, and the difference in height between described light source board bottom and the other end ora terminalis of described Lamp cup is 0 ~ 4.5mm.
Further, described bulb lamp body also comprises radiator, and this radiator is installed in described Lamp cup, and as the carrier of described light source board.
Further, described multiple LED evenly lines up a circle along the circumferencial direction of described light source board.
The beneficial effects of the utility model are:
1, the utility model is by improving the structure of lens, appropriate design is carried out to its plane of incidence and exiting surface, realize refraction and the reflection of light, therefrom combine the advantage of vertical heat radiator and reflector, namely, the rising angle of bulb lamp is not only made to reach optimum state (rising angle of bulb lamp is greater than more than 270 °), can also ensure that bulb lamp surrounding side and end face are without hot spot phenomenon, overall brightness is even, meets the light distribution requirements of ES (Energy Star) and CEC (California efficiency);
2, the utility model controls the position of light source board further, controls between 0 ~ 4.5mm by the difference in height between light source board bottom and the other end ora terminalis of described Lamp cup, make overall rising angle and light distribution effect better.
Below in conjunction with drawings and Examples, the utility model is described in further detail; But a kind of large-angle LED lens of the present utility model and wide-angle bulb lamp are not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of bulb lamp of prior art;
Fig. 2 is the structural representation of the another kind of bulb lamp of prior art;
Fig. 3 is the D structure schematic diagram one (front) of large-angle LED lens of the present utility model;
Fig. 4 is the D structure schematic diagram two (back side) of large-angle LED lens of the present utility model;
Fig. 5 is the generalized section of large-angle LED lens of the present utility model;
Fig. 6 is the decomposing schematic representation of bulb lamp of the present utility model;
Fig. 7 is the generalized section of bulb lamp of the present utility model.
Detailed description of the invention
Embodiment, refers to shown in Fig. 3-Fig. 5, a kind of large-angle LED lens of the present utility model, and this lens 1 bottom is provided with the cavity 13 for holding LED, and the inner top surface of this cavity 13 forms the plane of incidence 14 of lens 1; These lens 1 also comprise the first exiting surface 11 being located at its side and the second exiting surface 12 being located at its top, the annular surface of this second exiting surface 12 in epirelief, and the height of the external end edge of this annular surface is higher than the height of ora terminalis in it.
Preferred as one, described second exiting surface 12 comprises interior annular surface 121 and outer ring curved surface 122, interior annular surface 121 is integrally connected on the inner side of outer ring curved surface 122, and the height of the external end edge of interior annular surface 121 and outer ring curved surface 122 is respectively higher than the height of ora terminalis in it; The radius of interior annular surface 121 is 6 ~ 12mm, and optimum value is 9mm, and the radius of outer ring curved surface 122 is 40 ~ 45mm, and optimum value is 43mm.
Preferred as one, described first exiting surface 11 and described cavity 13 are respectively in annular shape.
Preferred as one, the medium position of described lens 1 is provided with the perforate 15 of a up/down perforation, and the upper limb of this perforate 15 accepts the interior ora terminalis of described first exiting surface 11; The hole wall of this perforate 15 is provided with two lugs 16, and each lug 16 is respectively equipped with an installing hole 17.
Preferred as one, the bottom outer rim of described lens 1 has some crossed beam trunkings 17 along its circumferential directions, and the inner side of each crossed beam trunking 17 leads to described cavity 13 respectively, and the external world is led to respectively in outside.
A kind of wide-angle luminous lens of the present utility model, it can be installed on bulb lamp, makes bulb lamp realize wide-angle bright dipping.Specifically, the bright dipping principle of these lens 1 is described by following bulb lamp.
Refer to shown in Fig. 6, Fig. 7, a kind of wide-angle bulb lamp of the present utility model, comprises bulb lamp body, is provided with above-mentioned large-angle LED lens 1 in this bulb lamp body.Specifically, described bulb lamp body comprises lamp holder 7, Lamp cup 5, driving power 6, the light source board 4 that multiple LED 8 is housed and lampshade 2; Lamp holder 7 is installed on one end place of Lamp cup 5, and lampshade 2 is installed on the other end place of Lamp cup 5, and driving power 6 and light source board 4 are installed in the cavity that Lamp cup 5 and lampshade 2 surround respectively, and driving power 6 is electrically connected lamp holder 7 and light source board 4; Described lens 1 are installed on light source board 4 front.Specifically, described lens 1 are locked on light source board 4 after adopting screw to pass its installing hole.Multiple LED 8 on light source board 4 are respectively Surface-mount LED lamp, and evenly line up a circle along the circumferencial direction of described light source board 4, and include in the annular cavity 13 of described lens 1.The external diameter of the annular cavity 13 of described lens 1 is greater than the diameter dimension of described light source board 4.
Preferred as one, described bulb lamp body also comprises radiator 9, this radiator 9 is installed in described Lamp cup 5, and transmits intermediary's (heat that light source board 4 produces is passed to Lamp cup 5 surface by this radiator 9) as the carrier of described light source board 4 and heat.Described light source board 4 is positioned at outside the other end of described Lamp cup 5, and the difference in height between the other end ora terminalis of described light source board 4 bottom and described Lamp cup 5 is 0 ~ 4.5mm, and optimum value is 4.5mm, avoids light source outgoing rear section light can be blocked by the other end of Lamp cup 5.
A kind of wide-angle bulb lamp of the present utility model, during work, the light that its each LED 8 sends is inner respectively by the plane of incidence 14 directive lens 1 of lens 1, and the first exiting surface 11 of scioptics 1 and the second exiting surface 12 carry out reflecting and reflecting.Wherein, the first exiting surface 11 of scioptics 1 reflect light evenly penetrate from the border, side of the lampshade 2 of bulb lamp throughout its border, end (C region as shown in Figure 7), make the rising angle of bulb lamp reach more than 270 °; The light that second exiting surface 12 of scioptics 1 reflects evenly penetrates from all the other positions (D region as shown in Figure 7) of the lampshade 2 of bulb lamp, bulb lamp of the present utility model is enable to realize wide-angle bright dipping, and overall brightness is even, without hot spot phenomenon, the light distribution requirements of ES (Energy Star) and CEC (California efficiency) can be met.
Above-described embodiment is only used for further illustrating a kind of large-angle LED lens of the present utility model and wide-angle bulb lamp; but the utility model is not limited to embodiment; every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all fall in the protection domain of technical solutions of the utility model.
Claims (10)
1. large-angle LED lens, is characterized in that: this lens bottom is provided with the cavity for holding LED, and the inner top surface of this cavity forms the plane of incidence of lens; These lens also comprise the first exiting surface being located at its side and the second exiting surface being located at its top, and this second exiting surface is the annular surface of epirelief, and the height of the external end edge of this annular surface is higher than the height of ora terminalis in it.
2. large-angle LED lens according to claim 1, it is characterized in that: described second exiting surface comprises interior annular surface and outer ring curved surface, interior annular surface is integrally connected on the inner side of outer ring curved surface, and the height of the external end edge of interior annular surface and outer ring curved surface is respectively higher than the height of ora terminalis in it; The radius of interior annular surface is 6 ~ 12mm, and the radius of outer ring curved surface is 40 ~ 45mm.
3. large-angle LED lens according to claim 1, is characterized in that: described first exiting surface and described cavity are respectively in annular shape.
4. large-angle LED lens according to claim 1, is characterized in that: the medium position of described lens is provided with the perforate of a up/down perforation, and the upper limb of this perforate accepts the interior ora terminalis of described first exiting surface; The hole wall of this perforate is provided with at least two lugs, and each lug is respectively equipped with an installing hole.
5. large-angle LED lens according to claim 1, is characterized in that: the bottom outer rim of described lens has some crossed beam trunkings along its circumferential directions, and the inner side of each crossed beam trunking leads to described cavity respectively, and the external world is led to respectively in outside.
6. a wide-angle bulb lamp, comprises bulb lamp body, it is characterized in that: be provided with the large-angle LED lens according to any one of claim 1-5 in this bulb lamp body.
7. wide-angle bulb lamp according to claim 6, is characterized in that: described bulb lamp body comprises lamp holder, Lamp cup, driving power, the light source board that multiple LED is housed and lampshade; Lamp holder is installed on one end place of Lamp cup, and lampshade is installed on the other end place of Lamp cup, and driving power and light source board are installed in the cavity that Lamp cup and lampshade surround respectively, and driving power electrical connection lamp holder and light source board; Described lens are installed on light source board front, and each LED of the cavity of described lens parcel light source board.
8. wide-angle bulb lamp according to claim 7, is characterized in that: described light source board is positioned at outside the other end of described Lamp cup, and the difference in height between described light source board bottom and the other end ora terminalis of described Lamp cup is 0 ~ 4.5mm.
9. wide-angle bulb lamp according to claim 7, is characterized in that: described bulb lamp body also comprises radiator, and this radiator is installed in described Lamp cup, and as the carrier of described light source board.
10. wide-angle bulb lamp according to claim 7, is characterized in that: described multiple LED evenly lines up a circle along the circumferencial direction of described light source board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420640008.XU CN204227319U (en) | 2014-10-30 | 2014-10-30 | A kind of large-angle LED lens and wide-angle bulb lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420640008.XU CN204227319U (en) | 2014-10-30 | 2014-10-30 | A kind of large-angle LED lens and wide-angle bulb lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204227319U true CN204227319U (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420640008.XU Expired - Fee Related CN204227319U (en) | 2014-10-30 | 2014-10-30 | A kind of large-angle LED lens and wide-angle bulb lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204227319U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712938A (en) * | 2015-03-27 | 2015-06-17 | 立达信绿色照明股份有限公司 | Wide-angle LED lamp |
| CN104930374A (en) * | 2015-06-15 | 2015-09-23 | 深圳绿米联创科技有限公司 | Annular light-emitting device |
| CN106382499A (en) * | 2015-08-28 | 2017-02-08 | 中山市四维家居照明有限公司 | Energy-saving LED (Light-Emitting Diode) lamp bulb |
| CN106838743A (en) * | 2017-03-09 | 2017-06-13 | 漳州立达信光电子科技有限公司 | A kind of LED lamp affixed to the ceilings |
-
2014
- 2014-10-30 CN CN201420640008.XU patent/CN204227319U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712938A (en) * | 2015-03-27 | 2015-06-17 | 立达信绿色照明股份有限公司 | Wide-angle LED lamp |
| CN104712938B (en) * | 2015-03-27 | 2018-05-01 | 漳州立达信光电子科技有限公司 | Big-angle LED lamp |
| CN104930374A (en) * | 2015-06-15 | 2015-09-23 | 深圳绿米联创科技有限公司 | Annular light-emitting device |
| CN104930374B (en) * | 2015-06-15 | 2017-11-17 | 深圳绿米联创科技有限公司 | Ring-shaped lighting device |
| CN106382499A (en) * | 2015-08-28 | 2017-02-08 | 中山市四维家居照明有限公司 | Energy-saving LED (Light-Emitting Diode) lamp bulb |
| CN106838743A (en) * | 2017-03-09 | 2017-06-13 | 漳州立达信光电子科技有限公司 | A kind of LED lamp affixed to the ceilings |
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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 |
Granted publication date: 20150325 Termination date: 20191030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |