CN219414532U - LED polarized lens and lamp - Google Patents
LED polarized lens and lamp Download PDFInfo
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- CN219414532U CN219414532U CN202320395721.1U CN202320395721U CN219414532U CN 219414532 U CN219414532 U CN 219414532U CN 202320395721 U CN202320395721 U CN 202320395721U CN 219414532 U CN219414532 U CN 219414532U
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Abstract
The utility model discloses an LED polarized lens and a lamp, comprising a lens body, wherein an LED light source cavity for installing an LED light source is formed at the bottom of the lens body, a primary reflecting surface for carrying out primary reflection on light rays emitted by the LED light source in the LED light source cavity, a secondary reflecting surface which is arranged corresponding to the primary reflecting surface and is used for carrying out secondary reflection on the primary reflecting light rays emitted by the primary reflecting surface, and a first light emitting surface which is arranged corresponding to the secondary reflecting surface are formed on the lens body, and the secondary reflecting light rays emitted by the secondary reflecting surface are emitted from the first light emitting surface and irradiate a designated area. The LED polarized lens provided by the utility model utilizes the twice reflection effect of the primary reflection surface and the secondary reflection surface, so that the light utilization rate is effectively improved, and the light can be sufficiently and uniformly guided to the required irradiation area, so that the illuminance of the irradiation area is similar and the uniformity is high.
Description
Technical Field
The utility model relates to the technical field of lighting devices, in particular to an LED polarized lens and a lamp.
Background
Most of existing lamps and lanterns use extrusion tube or conventional lens, utilize extrusion tube reflection diffusion or lens's primary reflection, make on the lambertian body of LED natural light-emitting, increased simple reflection refraction spotlight effect, the light's low-usage, under the same power, illumination that shines the face is low, the homogeneity is poor, need increase power, just can reach demand luminance, corresponding energy consumption and heat all can increase, and the life-span can reduce. The existing polarized light lamp generally requires high efficiency, low energy consumption and long service life, can be focused on an irradiation surface, meets high brightness and has uniform illuminance; for example, chinese document CN212005289U (application day: 2020, 03, 04) discloses a uniform-luminosity LED refrigerator lamp, which comprises a lamp body base, a power supply, a PCB circuit board, and an LED polarized lens, wherein the LED polarized lens is disposed above the PCB circuit board, the PCB circuit board is provided with an LED light source, and the LED light emitting surface of the LED light source corresponds to the top surface of the inner cavity of the LED polarized lens; the LED polarized lens is provided with a lens cavity top surface, a first lens cavity side surface, a second lens cavity side surface, a first lens reflecting surface, a second lens reflecting surface, a first lens emergent surface and a second lens emergent surface, and the cross section contour line of a lens body formed by the first lens emergent surface, the first lens reflecting surface, the second lens reflecting surface and the second lens emergent surface is in an M shape. However, in the refrigerator lamp according to this embodiment, the light generated by the LED light source is reflected once by the lens reflecting surface and then directly emitted from the corresponding emitting surface, and there is a problem in that the light utilization ratio is low as described above.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an LED polarized lens, which mainly solves the technical problem that the light utilization rate of a lamp is low because the lens in the prior art can only perform primary reflection on light.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the utility model provides a LED polarized lens, includes the lens body, lens body bottom is formed with one and is used for installing the LED light source chamber of LED light source, be formed with on the lens body and be used for carrying out the primary reflection face of primary reflection to the light that the LED light source of LED light source intracavity outwards sent, set up with the primary reflection face corresponds the secondary reflection face that is used for carrying out the secondary reflection to the primary reflection light that the primary reflection face sent and the first light-emitting surface that sets up with the secondary reflection face corresponds, the secondary reflection light that the secondary reflection face sent is followed first light-emitting surface and is penetrated the appointed region.
Further, the primary reflecting surface is an arc surface.
Further, the secondary reflection surface is an inclined surface.
Further, the first light-emitting surface is of a plane or curved surface structure.
Further, the lens body is provided with a first lens part and a second lens part which are oppositely arranged left and right, and the first lens part and the second lens part are respectively provided with a primary reflecting surface, a secondary reflecting surface and a first light emitting surface.
Furthermore, a primary reflecting surface, a secondary reflecting surface and a first light emitting surface are formed on the first lens part and the second lens part of the lens body, and the first light emitting surfaces on the first lens part and the second lens part are positioned on the same side, so that the LED polarized lens forms a single-side light emitting structure.
Further, a primary reflecting surface, two secondary reflecting surfaces and two first light emitting surfaces are formed on the first lens portion of the lens body, the primary reflecting surfaces on the first lens portion are correspondingly arranged with the LED light source cavity and are used for carrying out primary reflection on light rays emitted outwards from the LED light source cavity, the two secondary reflecting surfaces are respectively correspondingly arranged with the primary reflecting surfaces, so that the primary reflecting light rays emitted from the primary reflecting surfaces are respectively reflected by the two secondary reflecting surfaces and emit secondary reflecting light rays in different directions, and the two first light emitting surfaces are respectively correspondingly arranged with the two secondary reflecting surfaces and are located on the front side and the rear side of the first lens portion, so that the secondary reflecting light rays emitted by the two secondary reflecting surfaces are respectively emitted from the corresponding first light emitting surfaces, and further the LED polarized lens forms a double-side light emitting structure.
Further, the first lens part and the second lens part of the lens body are identical in structure, so that the lens body is formed into a bilateral symmetry structure.
Further, a second light-emitting surface corresponding to the LED light source cavity is provided between the first lens portion and the second lens portion of the lens body, and light emitted outward from the LED light source cavity is configured to be partially directly emitted from the corresponding second light-emitting surface.
Based on the same inventive concept, the utility model also provides a lamp, which comprises any one of the LED polarized lenses.
The technical scheme has the following advantages or beneficial effects:
in the LED polarized lens and the lamp, the primary reflecting surface, the secondary reflecting surface and the first light emitting surface are formed on the lens body, when the LED polarized lens is used, light generated by the LED light source correspondingly embedded in the LED light source cavity is firstly reflected by the primary reflecting surface to form primary reflecting light, then the primary reflecting light is reflected by the corresponding secondary reflecting surface to form secondary reflecting light, and the secondary reflecting light is emitted from the first light emitting surface and uniformly irradiates the appointed area. The LED polarized lens utilizes the twice reflection effect, effectively improves the utilization rate of light, and can fully and uniformly guide the light to the required irradiation area so as to ensure that the illuminance of the irradiation area is similar and the uniformity is high.
Drawings
Fig. 1 is a schematic perspective view of an LED polarized lens according to a first embodiment of the present utility model.
Fig. 2 is a schematic view of another perspective view of an LED polarized lens according to the first embodiment of the present utility model.
Fig. 3 is a schematic view of an optical path of an LED polarized lens according to a first embodiment of the present utility model.
Fig. 4 is a schematic view of another angular light path of the LED polarized lens according to the first embodiment of the present utility model.
Fig. 5 is a schematic view of another angular light path of the LED polarized lens according to the first embodiment of the present utility model.
Fig. 6 is a schematic perspective view of an LED polarized lens according to a second embodiment of the present utility model.
Fig. 7 is a schematic view of another perspective view of an LED polarized lens according to the second embodiment of the present utility model.
Fig. 8 is a schematic diagram of an optical path of an LED polarized lens according to a second embodiment of the present utility model.
Fig. 9 is a schematic view of another angular light path of the LED polarized lens according to the second embodiment of the present utility model.
Fig. 10 is a schematic view of another angular light path of the LED polarized lens according to the second embodiment of the utility model.
Description of the reference numerals:
1. the LED light source comprises a lens body, 2, an LED light source, 11, an LED light source cavity, 12, a primary reflecting surface, 13, a secondary reflecting surface, 14, a first light emitting surface, 15, a first lens part, 16, a second lens part, 17 and a second light emitting surface.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Example 1
Referring to fig. 1 to 5, an embodiment of the present utility model provides an LED polarized lens, which includes a lens body 1, an LED light source cavity 11 for mounting an LED light source 2 is formed at the bottom of the lens body 1, a primary reflecting surface 12 for primarily reflecting light emitted from the LED light source 2 in the LED light source cavity 11, a secondary reflecting surface 13 corresponding to the primary reflecting surface 12 for secondarily reflecting primary reflected light emitted from the primary reflecting surface 12, and a first light emitting surface 14 corresponding to the secondary reflecting surface 13 are formed on the lens body 1, and the secondary reflected light emitted from the secondary reflecting surface 13 is emitted from the first light emitting surface 14 and irradiates a designated area. It can be understood that in the present embodiment, the primary reflecting surface 12, the secondary reflecting surface 13 and the first light emitting surface 14 are formed on the lens body 1, when in use, the light generated by the LED light source 2 correspondingly embedded in the LED light source cavity 11 is reflected by the primary reflecting surface 12 to form primary reflecting light, then the primary reflecting light is reflected by the corresponding secondary reflecting surface 13 to form secondary reflecting light, and the secondary reflecting light is emitted from the first light emitting surface 14 to uniformly irradiate on the designated area. The LED polarized lens utilizes the twice reflection effect, effectively improves the utilization rate of light, and can fully and uniformly guide the light to the required irradiation area so as to ensure that the illuminance of the irradiation area is similar and the uniformity is high.
Referring to fig. 1 to 5, in a preferred embodiment, the primary reflecting surface 12 is preferably an arc surface, so that the primary reflecting surface 12 with an arc surface structure can reflect the light generated by the LED light source 2 in the LED light source cavity 11 to the maximum extent and collect the light onto the secondary reflecting surface 13, so as to improve the light utilization rate. The secondary reflection surface 13 is an inclined surface, and is designed so as to reflect the collected light reflected from the primary reflection surface 12 to the maximum and to reflect the collected light at a certain angle. The first light emitting surface 14 is a planar or free curved surface structure, and the structure of the lens light emitting surface can be adjusted and designed according to the shape of the illumination surface and the illumination intensity distribution requirement. In this embodiment, the inner top surface of the LED light source chamber 11 is preferably in an arched or arc-shaped structure.
Referring to fig. 1 to 5, in a preferred embodiment, a first lens portion 15 and a second lens portion 16 are disposed on a lens body 1, and a primary reflecting surface 12, a secondary reflecting surface 13 and a first light emitting surface 14 are formed on the first lens portion 15 and the second lens portion 16. In this embodiment, preferably, one primary reflecting surface 12, one secondary reflecting surface 13 and one first light emitting surface 14 are formed on each of the first lens portion 15 and the second lens portion 16 of the lens body 1, and the first light emitting surfaces 14 on the first lens portion 15 and the second lens portion 16 are located on the same side, so that the LED polarized lens forms a single-side light emitting structure.
Referring to fig. 1 to 5, in a preferred embodiment, a second light emitting surface 17 corresponding to the LED light source cavity 11 is disposed between the first lens portion 15 and the second lens portion 16 of the lens body 1, and the light emitted from the LED light source cavity 11 is configured to be partially directly emitted from the corresponding second light emitting surface 17. In this embodiment, the second light-emitting surface 17 is preferably a curved surface structure similar to a droplet, so that the light emitted by the LED light source 2 in the LED light source cavity 11 is partially emitted directly from the second light-emitting surface 17. The method is beneficial to further improving the light utilization rate and improving the illumination uniformity of the appointed irradiation area.
Referring to fig. 1 to 5, an embodiment of the present utility model further provides a lamp, including the LED polarized lens of any one of the above embodiments. Specifically, the lamps can be an ice chest lamp, a wall washer lamp, a street lamp, a blackboard lamp or an advertisement box lamp.
Example two
Referring to fig. 6 to 10, the difference between the present embodiment and the first embodiment is that a primary reflecting surface 12, two secondary reflecting surfaces 13 and two first light emitting surfaces 14 are formed on the first lens portion 15 of the lens body 1, the primary reflecting surface 12 on the first lens portion 15 is disposed corresponding to the LED light source cavity 11 for performing primary reflection on the light emitted from the LED light source cavity 11, the two secondary reflecting surfaces 13 are disposed corresponding to the primary reflecting surfaces 12, such that the primary reflecting light emitted from the primary reflecting surfaces 12 is reflected by the two secondary reflecting surfaces 13 and emits secondary reflecting light in different directions, and the two first light emitting surfaces 14 are disposed corresponding to the two secondary reflecting surfaces 13 and located on the front and rear sides of the first lens portion 15, such that the secondary reflecting light emitted from the two secondary reflecting surfaces 13 is emitted from the corresponding first light emitting surfaces 14, respectively, and the LED polarized lens forms a dual-side light emitting structure. In this embodiment, the first lens portion 15 and the second lens portion 16 of the lens body 1 are preferably identical in structure, so that the lens body 1 forms a laterally symmetrical structure.
The embodiments are merely illustrative of the technical solution of the present utility model, and not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and therefore all other embodiments obtained by those skilled in the art without making creative efforts are intended to fall within the protection scope of the present utility model.
Claims (10)
1. An LED polarized lens, characterized in that: the LED light source comprises a lens body (1), an LED light source cavity (11) for installing an LED light source (2) is formed at the bottom of the lens body (1), a primary reflecting surface (12) for carrying out primary reflection on light rays emitted by the LED light source (2) in the LED light source cavity (11), a secondary reflecting surface (13) which is arranged corresponding to the primary reflecting surface (12) and is used for carrying out secondary reflection on primary reflecting light rays emitted by the primary reflecting surface (12), and a first light emitting surface (14) which is arranged corresponding to the secondary reflecting surface (13) are formed on the lens body (1), and the secondary reflecting light rays emitted by the secondary reflecting surface (13) are emitted from the first light emitting surface (14) and irradiate a designated area.
2. The LED polarized lens of claim 1, wherein: the primary reflecting surface (12) is an arc surface.
3. The LED polarized lens of claim 1, wherein: the secondary reflection surface (13) is an inclined surface.
4. The LED polarized lens of claim 1, wherein: the first light-emitting surface (14) is of a plane or curved surface structure.
5. The LED polarized lens of any one of claims 1 to 4, wherein: the lens body (1) is provided with a first lens part (15) and a second lens part (16) which are oppositely arranged left and right, and a primary reflecting surface (12), a secondary reflecting surface (13) and a first light emitting surface (14) are formed on the first lens part (15) and the second lens part (16).
6. The LED polarized lens of claim 5, wherein: a primary reflecting surface (12), a secondary reflecting surface (13) and a first light emitting surface (14) are formed on a first lens part (15) and a second lens part (16) of the lens body (1), and the first light emitting surfaces (14) on the first lens part (15) and the second lens part (16) are positioned on the same side, so that the LED polarized lens forms a single-side light emitting structure.
7. The LED polarized lens of claim 5, wherein: the lens comprises a first lens part (15) of a lens body (1), one primary reflecting surface (12), two secondary reflecting surfaces (13) and two first light emitting surfaces (14) are formed on the first lens part (15), the primary reflecting surfaces (12) on the first lens part (15) are arranged corresponding to an LED light source cavity (11) and are used for carrying out primary reflection on light rays emitted outwards from the LED light source cavity (11), the two secondary reflecting surfaces (13) are respectively arranged corresponding to the primary reflecting surfaces (12), so that primary reflecting light rays emitted from the primary reflecting surfaces (12) respectively emit secondary reflecting light rays in different directions through reflection of the two secondary reflecting surfaces (13), and the two first light emitting surfaces (14) are respectively arranged corresponding to the two secondary reflecting surfaces (13) and are positioned on the front side and the rear side of the first lens part (15), so that the secondary reflecting light rays emitted by the two secondary reflecting surfaces (13) are respectively emitted from the corresponding first light emitting surfaces (14), and the LED polarized lens forms a double-side light emitting structure.
8. The LED polarized lens of claim 7, wherein: the first lens part (15) and the second lens part (16) of the lens body (1) have the same structure, so that the lens body (1) has a bilateral symmetry structure.
9. The LED polarized lens of claim 5, wherein: a second light-emitting surface (17) provided corresponding to the LED light source cavity (11) is provided between the first lens part (15) and the second lens part (16) of the lens body (1), and light emitted outwards from the LED light source cavity (11) is configured to be partially directly emitted from the corresponding second light-emitting surface (17).
10. A lamp, characterized in that: comprising the LED polarized lens of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320395721.1U CN219414532U (en) | 2023-03-06 | 2023-03-06 | LED polarized lens and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320395721.1U CN219414532U (en) | 2023-03-06 | 2023-03-06 | LED polarized lens and lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219414532U true CN219414532U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320395721.1U Active CN219414532U (en) | 2023-03-06 | 2023-03-06 | LED polarized lens and lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219414532U (en) |
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2023
- 2023-03-06 CN CN202320395721.1U patent/CN219414532U/en active Active
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