Reflector, optical assembly and lamp

Abstract

The utility model provides a reflector, an optical assembly and a lamp. And the reflector is used for distributing the light emitted by the light-emitting assembly. The reflector is provided with a plurality of light-emitting cavities, and each light-emitting cavity comprises an expansion part and a reflection part which are coaxially arranged and connected with the light-emitting cavity. The expansion part is far away from the light-emitting assembly, and the reflection part is close to the light-emitting assembly. The expansion part comprises a second end away from the reflection part, and the diameter of the second end is larger than that of the reflection part. Compared with the prior art, the optical assembly can effectively reflect and concentrate the light emitted by the light-emitting assembly through the reflecting part, so that the loss of the light is reduced. The expansion part is arranged on the reflector, the diameter of the second end, away from the reflection part, of the expansion part is larger than that of the reflection part, reflected light is diffused, the light emitting range is expanded, and the overall utilization rate of the light is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of lighting, in particular to a reflector, an optical component and a lamp. Background Art

[0002] With the rapid advancement of LED lighting technology and the continuous improvement of people's quality of life, track grid lights, as a highly efficient and energy-saving lighting solution, are increasingly being used in various commercial and high-end residential spaces. Their unique lens and reflector design achieves precise control and efficient utilization of light, meeting the lighting needs of various scenarios. However, while pursuing the ultimate lighting effect, the aesthetics of the grid reflector has become a key consideration.

[0003] Traditional grille reflectors, comprised of multiple reflector holes, effectively improve light control performance, but their discrete appearance limits their use in high-end applications. To address this issue, transparent panels, such as acrylic or glass, are often added to the reflector's exterior to enhance its aesthetics and quality. However, panel installation is complex and prone to errors. If installed incorrectly, the panel and reflector apertures may not align, preventing some light from exiting. This results in reduced light output and poor lighting performance. Utility Model Content

[0004] The purpose of the utility model is to provide a reflector, an optical component and a lamp, which can improve the light output rate.

[0005] To achieve the above-mentioned purpose, the technical solution of the present invention provides a reflector for distributing light emitted by a light-emitting component. The reflector is provided with a plurality of light-emitting cavities, each of which includes an expansion portion and a reflection portion coaxially arranged and connected thereto, wherein the expansion portion is arranged away from the light-emitting component, and the reflection portion is arranged close to the light-emitting component. The expansion portion includes a second end away from the reflection portion, and the diameter of the second end is larger than the diameter of the reflection portion.

[0006] Optionally, the expansion portion further includes a first end connected to the reflection cavity, and the expansion portion is trumpet-shaped in a direction from the first end to the second end.

[0007] Optionally, a plurality of reflective edges are provided on the inner cavity of the reflective portion.

[0008] To achieve the above purpose, the technical solution of the utility model also provides an optical assembly, including a panel, an adhesive and the above reflector, the panel is bonded to the reflector through the adhesive, and the panel is arranged on the side of the adhesive away from the light-emitting assembly

[0009] Optionally, the panel is provided with a transparent light emitting portion at a position corresponding to the reflective portion, and in a direction perpendicular to the optical axis of the light emitting component, the projection area of ​​the transparent light emitting portion covers the projection area of ​​the reflective cavity.

[0010] Optionally, in a direction perpendicular to the optical axis of the light-emitting component, the projection area of ​​the second end covers the coverage area of ​​the transparent light-emitting portion.

[0011] Optionally, the panel includes a silk-screen portion in addition to the transparent light-emitting portion, and the silk-screen portion is used to block other light except the light emitted from the transparent light-emitting portion.

[0012] Optionally, an opening is provided in the adhesive member at a position corresponding to the transparent light exit portion. In a projection direction perpendicular to the substrate, the transparent light exit portion has a first projection area, the opening has a second projection area, and the first projection area is smaller than the second projection area.

[0013] Optionally, the opening has a first opening distance in the length direction of the adhesive member and a second opening distance in the width direction of the adhesive member, and the first opening distance is greater than the second opening distance.

[0014] To achieve the above-mentioned purpose, the technical solution of the present utility model further provides a lamp, comprising a housing, a light-emitting component and the above-mentioned optical component.

[0015] Compared with the prior art, the technical solution of the embodiment of the utility model has the following beneficial effects:

[0016] The optical component of the present invention can effectively reflect and concentrate the light emitted by the light-emitting component by providing a reflective portion, thereby reducing light loss. By providing a connected expansion portion at the end of the reflective portion, the reflected light is further diffused. In addition, the diameter of the second end of the expansion portion away from the reflective portion is larger than the diameter of the reflective portion, which effectively expands the light output range and improves the overall utilization rate of the light. Since the diameter of the second end is larger than the diameter of the reflective portion, the tolerance of the optical component to installation errors is improved to a certain extent. Even if there are certain deviations in the actual installation process, it can ensure that the light can be effectively emitted from the reflective portion and diffused through the expansion portion, thereby ensuring the light output rate and the overall lighting effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a linear lamp in accordance with a preferred embodiment of the present utility model;

[0018] Figure 2 yes Figure 1 Installation photos of linear lighting fixtures;

[0019] Figure 3 yes Figure 2 Schematic diagram of the structure of the middle reflective component;

[0020] Figure 4 yes Figure 3 sectional view of

[0021] Figure 5 yes Figure 2 Schematic diagram of the structure of the middle panel;

[0022] Figure 6 yes Figure 2 Schematic diagram of the structure of the bonding parts.

[0023] The markings of the components in the accompanying drawings are as follows:

[0024] Reflector 1, substrate 11, light output cavity 12, expansion portion 121, first end 1211, second end 1212, reflecting portion 122, reflecting cavity 1221, reflecting rib 1222;

[0025] Panel 2, transparent light emitting portion 21, silk screen portion 22;

[0026] Adhesive member 3, opening 31, adhesive portion 32;

[0027] Optical assembly 100, housing 110, light emitting assembly 120, light source board 1201, power supply 1202;

[0028] Lamp 200. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] It should be noted here that in order to avoid obscuring the present invention due to unnecessary details, only the structures and / or processing steps closely related to the scheme of the present invention are shown in the accompanying drawings, while other details that are not closely related to the present invention are omitted.

[0031] In addition, it should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0032] See also Figures 1 to 6As shown, an embodiment of the utility model provides a lamp 200, including a housing 110 and an optical assembly 100 and a light-emitting assembly 120 disposed within the housing 110. The optical assembly 100 is used to distribute light emitted by the light-emitting assembly 120. The light-emitting assembly 120 includes a light source board 1201 and a power supply 1202. The power supply 1202 is used to power the light source board 1201, and the light source board 1201 is used to emit light.

[0033] In other embodiments, the optical assembly 100 can be applied to lighting products such as linear lamps and track lights, which are not limited herein. A track light includes a track, which is generally installed on a wall or ceiling, and the housing 110 is installed in the track for mobile lighting.

[0034] See also Figure 2 As shown, the optical assembly 100 includes a lens 4, a reflector 1, and a panel 2 arranged in sequence along the height direction, and a transparent light-emitting portion 21 is provided on the panel 2. Light emitted from the light-emitting assembly 120 passes through the lens 4 and the reflector 1 in sequence, and then is emitted from the transparent light-emitting portion 21 on the panel 2.

[0035] In order to improve the connection strength between the panel 2 and the reflector 1 , an adhesive member 3 is provided between the reflector 1 and the panel 2 , and the adhesive member 3 securely connects the reflector 1 and the panel 2 .

[0036] In this embodiment, the adhesive member 3 is a double-sided tape. One side of the double-sided tape is adhered to the reflector 1, and the other side is adhered to the panel 2. This arrangement helps improve the flatness of the panel and enhances the aesthetics of the lamp 200. In other embodiments, the adhesive member may also be bonded using glue, etc., which is not limited here.

[0037] To prevent the adhesive 3 from absorbing light and affecting the lighting effect, an opening 31 is provided on the adhesive 3 at a position corresponding to the transparent light exit portion 21. In the projection direction perpendicular to the panel 2, the transparent light exit portion 21 has a first projection area, and the opening 31 has a second projection area. The first projection area is smaller than the second projection area, and the first projection area is within the second projection area, so that the light does not pass through the opening 31 but is directly emitted from the transparent light exit portion 21, reducing the loss of light during propagation. This ensures that as much light as possible can propagate along the designed path rather than being absorbed or scattered by unnecessary materials, significantly improving the light efficiency utilization rate.

[0038] In a preferred embodiment, the opening 31 is a waist-shaped hole. The opening 31 has a first opening distance along the length of the adhesive 3 and a second opening distance along the width of the adhesive 3, with the first opening distance being greater than the second opening distance. The first opening distance ensures that the adhesive 3 has sufficient adhesion to secure the reflector 1 and panel 2 together. The smaller second opening distance accommodates reflectors 1 or panels 2 with smaller widths, ensuring that the adhesive 3 adheres only to the reflector 1 and panel 2 and does not extend beyond them.

[0039] See also Figures 1 to 2 As shown, in order to avoid seeing internal defects on the panel 2, such as the bonding member 3, the panel 2 includes a silk-screen portion 22 in addition to the transparent light-emitting portion 21, and the bonding member 3 includes a bonding portion 32 in addition to the opening 31.

[0040] In the projection direction perpendicular to the panel 2, the silk-screen portion 22 has a third projected area, and the adhesive portion 32 has a fourth projected area. The fourth projected area is within the third projected area, and the silk-screen portion 22 effectively blocks the adhesive 3, maintaining the visual consistency of the panel 2 surface and avoiding the visual abruptness caused by material differences. In other words, the silk-screen portion 22 can block all light except the light emitted from the transparent light-emitting portion 21. Furthermore, the length of the silk-screen portion 22 is approximately equal to the length of the housing 110, facilitating rearward installation of one end of the panel 2.

[0041] See also Figure 3 As shown, the reflector 1 includes a substrate 11 and a plurality of light emitting cavities 12 connected to the substrate 11 and extending toward the light emitting assembly 120 .

[0042] In some embodiments, the reflector 1 adopts a spliced ​​structure for easy installation. For example, the reflector 1 is made into two sections, each section is provided with a substrate 11 and a light output cavity 12.

[0043] In other embodiments, the reflector 1 is provided in one piece.

[0044] A reflective portion 122 is provided on the side of the light-emitting cavity 12 near the light-emitting assembly 120. Reflective portion 122 includes a reflective cavity 1221. Reflective cavity 1221 corresponds to the transparent light-emitting portion 21 on the panel 2. Light emitted from the light-emitting assembly 120 passes through the lens 4 and enters the reflective cavity 1221, achieving precise light control at a small angle, before being emitted from the transparent light-emitting portion 21.

[0045] In this embodiment, the reflective cavity 1221 is in a straight cylindrical shape, i.e., the upper and lower openings have the same diameter. In other embodiments, the reflective cavity 1221 adopts a structure that is smaller at the top and larger at the bottom. Since the opening gradually increases from the top to the bottom, this structure can more effectively capture light from the light-emitting assembly 120 and guide it into the reflective cavity 1221, thereby improving the light collection efficiency.

[0046] The light-emitting cavity 12 has an optical axis, preferably the central axis of the reflective cavity 1221. The centers of the reflective cavity 1221, the transparent light-emitting portion 21, and the opening 31 are located on the same central axis, or the substrate is located on the same central axis. This arrangement allows more light to be emitted, reduces light waste, and improves the light-emitting effect.

[0047] See also Figures 3 and 4 As shown, the reflective portion 122 is provided with a plurality of reflective ridges 1222 on the inner side of the reflective cavity 1221. These ridges 1222 extend from the top toward the substrate 11 and have a structure similar to a triangular pyramid. This arrangement increases the number and angle of light reflections on the reflective portion 122, effectively concentrating the light reflection into the reflective cavity 1221 and improving the reflection effect and light utilization.

[0048] Each light output cavity 12 includes an expansion portion 121 and a reflection portion 122 coaxially disposed along the optical axis, wherein the expansion portion 121 and the reflection portion 122 are connected to each other. The expansion portion 121 is disposed on the substrate 11 and extends from the substrate 11 toward the reflection portion 122.

[0049] In some embodiments, in a projection direction perpendicular to the substrate 11 , the projection area of ​​the transparent light output portion 21 is equal to the projection area of ​​the reflective cavity 1221 .

[0050] In other embodiments, in a projection direction perpendicular to the substrate 11, the projected area of ​​the transparent light-emitting portion 21 is larger than the projected area of ​​the reflective cavity 1221. This configuration allows light reflected from the reflective cavity 1221 to be efficiently emitted through the transparent light-emitting portion 21, reducing light loss and improving light extraction efficiency.

[0051] See also Figures 3 and 4 As shown, the expansion portion 121 includes a first end 1211 connected to the reflective cavity 1221 and a second end 1212 remote from the reflective cavity 1221. The first end 1211 of the expansion portion 121 is connected to the substrate 11. The diameter of the second end 1212 is greater than the maximum diameter of the reflective cavity 1221. Because the diameter of the second end 1212 is greater than the maximum diameter of the reflective cavity 1221, the light output range of the light output cavity 12 is increased. The diameter of the second end is greater than the diameter of the transparent light output portion 21, which increases the light output range. Under reasonable installation tolerances, it can effectively ensure the light output rate and reduce the requirements for installation accuracy.

[0052] From the first end 1211 to the second end 1212 , the expansion portion 121 is trumpet-shaped, which not only increases the light output range of the light output cavity 12 , but also optimizes the distribution of light emitted from the light output cavity 12 , making the light more uniform and improving the overall lighting effect.

[0053] The expansion portion 121 may be a chamfer of the reflective cavity 1221 on the substrate 11. Optionally, the chamfer is 1.5 mm.

[0054] See also Figures 3 to 6 As shown, to prevent the adhesive member 3 from entering or blocking the reflective cavity 1221, the projected area of ​​the reflective cavity 1221 is smaller than the projected area of ​​the opening 31 in a projection direction perpendicular to the substrate 11. This arrangement ensures that the adhesive portion 32 does not contact the reflective cavity 1221, preventing light from passing through the adhesive portion 32, thereby eliminating light scattering, absorption, or changes in the reflection path caused by light passing through the adhesive portion 32.

[0055] In some embodiments, installation deviations are primarily caused by dimensional tolerances of parts. For example, the diameter of the reflective cavity 1221 and the diameter of the transparent light-emitting portion 21 are both 12 mm, and the maximum installation deviation of the lamp is 1.1 mm. The length deviation of the housing 110 is 0.3 mm, the length deviation of the light source board 1201 is 0.2 mm, and the deviation of the reflector 1 in the light source board 1201 is 0.2 mm. To ensure the light output rate, the diameter of the second end 1212 of the expansion portion 121 is 15 mm, which increases the light output range and allows more light to be emitted from the reflector 1. To prevent the adhesive 3 from affecting the light effect, the first opening distance of the adhesive 3 is less than or equal to 13 mm, and the second opening distance is less than 13 mm. This arrangement not only ensures that the adhesive 3 does not enter the reflective cavity 1221 area, maintaining the optical purity of the reflective cavity 1221, but also adapts to reflectors 1 or panels 2 with narrower widths, allowing the adhesive 3 to fit tightly without invading non-adhesive areas.

[0056] In summary, the optical component 100 of the present invention can effectively reflect and concentrate the light emitted by the light-emitting component 120 through the reflecting portion 122, thereby reducing the loss of light. By providing a connected expansion portion 121 at the end of the reflecting portion 122, the reflected light is further diffused. In addition, the diameter of the second end of the expansion portion 121 away from the reflecting portion 122 is larger than the diameter of the reflecting portion 122, which effectively expands the light output range and improves the overall utilization rate of the light. Since the expansion portion 121 is connected to the substrate 11 and the diameter of the second end is larger than the diameter of the reflecting portion 122, this design improves the tolerance of the optical component 100 to installation errors to a certain extent. Even if there are certain deviations in the actual installation process, it can ensure that the light can be effectively emitted from the reflecting portion 122 and diffused through the expansion portion 121, thereby ensuring the light output rate and the overall lighting effect.

[0057] The above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A reflector for distributing light emitted by a light emitting assembly (120), characterized in that: The reflector (1) is provided with a plurality of light output cavities (12), each of the light output cavities (12) comprising an expansion portion (121) and a reflection portion (122) coaxially arranged and connected thereto, wherein the expansion portion (121) is arranged away from the light emitting component (120), and the reflection portion (122) is arranged close to the light emitting component (120), and the expansion portion (121) comprises a second end (1212) away from the reflection portion (122), and the diameter of the second end (1212) is larger than the diameter of the reflection portion (122).

2. The reflector according to claim 1, characterized in that The expansion portion (121) further comprises a first end (1211) connected to the reflection cavity (1221) of the reflection portion (122); in a direction from the first end (1211) to the second end (1212), the expansion portion (121) is horn-shaped.

3. The reflector according to claim 1 or 2, characterized in that: A plurality of reflective edges (1222) are provided on the inner cavity of the reflective portion (122).

4. An optical component, characterized in that: The light reflector (1) comprises a panel (2), an adhesive member (3), and the reflector (1) according to any one of claims 1 to 3, wherein the panel (2) is bonded to the reflector (1) via the adhesive member (3), and the panel (2) is arranged on a side of the adhesive member (3) facing away from the light-emitting component (120).

5. The optical component according to claim 4, wherein: The panel (2) is provided with a transparent light-emitting portion (21) at a position corresponding to the reflecting portion (122), and, in a direction perpendicular to the optical axis of the light-emitting component (120), the projection area of ​​the transparent light-emitting portion (21) covers the projection area of ​​the reflecting cavity (1221) of the reflecting portion (122).

6. The optical component according to claim 5, wherein: In a direction perpendicular to the optical axis of the light-emitting component (120), the projection area of ​​the second end (1212) covers the coverage area of ​​the transparent light-emitting portion (21).

7. The optical component according to claim 6, wherein: The panel (2) comprises a silk-screen portion (22) in addition to the transparent light-emitting portion (21), and the silk-screen portion (22) is used to shield other light except the light emitted from the transparent light-emitting portion (21).

8. The optical component according to claim 7, wherein: The adhesive member (3) is provided with an opening (31) at a position corresponding to the transparent light exit portion (21); in a projection direction perpendicular to the reflector (1), the transparent light exit portion (21) has a first projection area, and the opening (31) has a second projection area, wherein the first projection area is smaller than the second projection area.

9. The optical component according to claim 8, wherein The opening (31) is a waist-shaped hole, and the opening (31) has a first opening distance in the length direction of the bonding member (3) and a second opening distance in the width direction of the bonding member (3), and the first opening distance is greater than the second opening distance.

10. A lamp, characterized in that: The optical component (100) comprises a housing (110), a light-emitting component (120), and the optical component (100) according to any one of claims 4 to 9.

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