CN217209010U - Optical assembly and lamp - Google Patents
Optical assembly and lamp Download PDFInfo
- Publication number
- CN217209010U CN217209010U CN202123405443.3U CN202123405443U CN217209010U CN 217209010 U CN217209010 U CN 217209010U CN 202123405443 U CN202123405443 U CN 202123405443U CN 217209010 U CN217209010 U CN 217209010U
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- optical
- optical part
- fixing member
- adjacent
- optical assembly
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Abstract
本实用新型提供了一种光学组件及灯具，所述光学组件包括呈环形分布的多个第一光学部以及环绕设置在所述第一光学部外周的多个第二光学部，所述多个第一光学部围设形成有用于反光的第一反射面，相邻所述第二光学部之间设有收容所述第一光学部的间隙，所述第一光学部配置为能够沿着所述光学组件的径向方向移动至相邻所述第二光学部之间，以与所述第二光学部共同围设形成用于反光的第二反射面，所述第二反射面开口的横截面积大于所述第一反射面开口的横截面积。相较于现有技术，本实用新型通过直接改变光学组件的形态来改变光束角度，并可自由进行切换，应用范围广且照明效果好。
The utility model provides an optical component and a lamp. The optical component includes a plurality of first optical parts distributed in a ring shape and a plurality of second optical parts arranged around the outer circumference of the first optical part. A first reflective surface for reflecting light is formed around the first optical part, a gap for accommodating the first optical part is provided between the adjacent second optical parts, and the first optical part is configured to be able to follow the The radial direction of the optical assembly is moved to between the adjacent second optical parts, so as to form a second reflection surface for reflecting light together with the second optical parts, and the transverse direction of the opening of the second reflection surface. The cross-sectional area is greater than the cross-sectional area of the opening of the first reflection surface. Compared with the prior art, the utility model changes the beam angle by directly changing the shape of the optical component, and can be switched freely, with wide application range and good lighting effect.
Description
Technical Field
The utility model relates to an optical assembly and lamps and lanterns belongs to the lighting technology field.
Background
In the field of lighting fixtures, the beam angle reflects the size of a light spot and the illumination intensity after the light is emitted, and different beam angles can bring different lighting effects. The beam angle of the traditional lamp is mostly fixed, the illumination angle and intensity of the traditional lamp cannot be changed, the use is not flexible enough, the traditional lamp cannot be adjusted according to the external illumination requirement, and the traditional lamp is difficult to adapt to the use requirements of different occasions.
In order to obtain lighting fixtures with different beam angles, one conventional solution is to use two light sources in combination with an optical element, and adjust the distance between the optical element and the two light sources and activate one of the two light sources according to the scene, so as to obtain different beam angles and lighting effects. However, the lighting fixture has many components, complicated adjustment process, and poor experience, which is not favorable for the user.
Accordingly, there is a need for an optical assembly and a lamp to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an optical assembly and lamps and lanterns, the light-emitting angle of adjustable light source.
In order to achieve the above object, the present invention provides an optical assembly, including a plurality of first optical portions that are distributed annularly and a plurality of second optical portions that encircle and set up in first optical portion periphery, a plurality of first optical portions enclose to establish and are formed with the first plane of reflection that is used for the reflection of light, and are adjacent be equipped with between the second optical portion and accept the clearance of first optical portion, first optical portion configures to can along optical assembly's radial direction moves to adjacent between the second optical portion, in order with the second optical portion encloses jointly and establish the second plane of reflection that is used for the reflection of light, the cross-sectional area of second plane of reflection opening is greater than the cross-sectional area of first plane of reflection opening.
As a further improvement of the present invention, the first optical portion includes a first side surface and a second side surface for reflection, the first side surface is formed inside the first optical portion, and is adjacent to the first side surface, the first reflection surface is continuous, the second side surface is provided on both sides of the first optical portion, and the second side surface abuts to the adjacent first optical portion.
As a further improvement of the present invention, the second optical portion includes a third side for reflection and a fourth side facing the adjacent two sides, the first side is adjacent to the third side and continuous in the second reflection surface, and the fourth side is used for being attached to the second side.
As a further improvement of the present invention, the outer side of the second optical portion is further provided with a limiting portion for limiting the first optical portion, and the width of the limiting portion is greater than the width of the third side surface.
As a further improvement of the present invention, the first side and the third side are curved surfaces, the first side and the width of the third side is increased gradually along the light emitting direction of the reflected light.
As a further improvement of the present invention, the distance between adjacent second optical portions is equal to the width of the first optical portion, so that the shape of the first optical portion conforms to the gap.
As a further improvement of the present invention, the fixing device further comprises a fixing member in a ring shape, the second optical portion is fixed and surrounds the fixing member, the first optical portion is disposed adjacent to the second optical portion, the first optical portion has a fixed end disposed near the fixing member and a free end disposed far away from the fixing member, the first optical portion passes through the fixed end and the fixing member are rotatably connected to make the first optical portion move outward along the radial direction of the optical assembly.
As a further improvement of the present invention, a hook is formed at the fixing end, and the hook is connected to the fixing member, so that the first optical portion can rotate relative to the fixing member.
As a further improvement of the present invention, the optical assembly further includes a sliding member which is in a ring shape and is coaxially disposed with the fixing member, the sliding member is provided with a connecting rod between the first optical portion, the connecting rod is respectively connected with the sliding member and the first optical portion in a rotating manner, and by controlling the sliding member is relative to the fixing member for moving, the first optical portion can be driven to wind the fixing member for rotating.
To achieve the above object, the present invention provides a lamp including the optical assembly and the lamp body as described above.
As a further improvement, the lamp body is provided with a light source, the fixing member is fixed on the lamp body and surrounds the setting to be in the outside of the light source, the lamp body is provided with a chute for accommodating the hook, and the hook can be followed the chute for the fixing member rotates.
As a further improvement, the slider cover is established the outside of lamp body, just the slider can be followed the extending direction of lamp body slides.
The utility model has the advantages that: the utility model discloses a form that directly changes optical assembly changes the light beam angle to can freely switch, the wide and illuminating effect of range of application is good.
Drawings
Fig. 1 is a schematic structural view of the lamp of the present invention in a first state.
Fig. 2 is an exploded schematic view of the lamp of the present invention.
Fig. 3 is a schematic structural diagram of the lamp in the second state.
Fig. 4 is a schematic structural view of the second reflecting surface of the lamp in the second state.
Fig. 5 is an enlarged schematic view at a in fig. 4.
Fig. 6 is a schematic cross-sectional view of the lamp of the present invention with the first optical portion removed.
Fig. 7 is an enlarged schematic view at B in fig. 6.
Fig. 8 is a schematic diagram of the lamp of the present invention after most of the structure is removed.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
In order to avoid obscuring the present invention with unnecessary details, it should be noted that only the structures and/or processing steps closely related to the aspects of the present invention are shown in the drawings, and other details not relevant to the present invention are omitted.
In addition, it should be further noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1 to 8, the present invention discloses a lamp 100, the lamp 100 is provided with an optical assembly 10 equivalent to a reflective cup, the optical assembly 10 has a first state and a second state, and can be freely switched between the first state and the second state, and the optical assembly 10 forms a smaller reflective cup structure in the first state and a larger reflective cup structure in the second state, so that the lamp 100 can change the light beam angle of the emitted light. For clarity, the following description will take the luminaire 100 as an example for detailed description.
As shown in fig. 1 and fig. 2, the lamp 100 includes an optical assembly 10 and a lamp body 20, the lamp body 20 includes a cylindrical housing and a light source assembly (not shown) disposed in the housing, the light source assembly includes a light source disposed on an end surface of the housing, the light source assembly is preferably a point light source, the optical assembly 10 has a trumpet-shaped optical cavity therein, an end with a smaller opening is covered on the light source, and a reflective surface for reflecting light is formed on a surface of the optical cavity. It can be understood that the extending direction of the central axis of the optical assembly 10 coincides with the extending direction of the lamp body 20.
In a preferred embodiment of the present invention, the optical assembly 10 includes a first optical portion 11 and a second optical portion 12, the first optical portion 11 is provided with a plurality of first reflecting surfaces 101 combined and surrounded to form a light beam, and the first reflecting surfaces 101 are formed on an inner side surface of the optical cavity and are horn-shaped correspondingly. It should be noted that although the portion of the first reflecting surface 101 formed between the adjacent first optical portions 11 is continuous, there is still a gap, and the adjacent first optical portions 11 should be combined tightly, so as to reduce the gap between the adjacent first optical portions 11 as much as possible and prevent the reflected light rays from being shaded.
As shown in fig. 3 and 4, the first optical portion 11 is configured to be movable and combined with the second optical portion 12 to form a second reflection surface 102 for reflecting light, and since the total width of the first optical portion 11 and the second optical portion 12 is increased after combination, the diameter of the corresponding cross section of the formed second reflection surface 102 is increased, and the cross sectional area of the opening of the second reflection surface 102 is larger than that of the opening of the first reflection surface 101, the second reflection surface 102 has a larger beam angle.
Specifically, the first optical portions 11 are distributed in a ring shape, the second optical portions 12 are also distributed in a ring shape and are arranged around the outer periphery of the first optical portions 11, and the second optical portions 12 and the rings formed by the first optical portions 11 have the same circle center, it can be understood that a gap for accommodating the first optical portions 11 is arranged between the adjacent second optical portions 12 so as to form fit with the first optical portions 11, that is, the gap between the adjacent second optical portions 12 is adapted to the shape of the first optical portions 11, and the distance between the adjacent second optical portions 12 is equal to the width of the first optical portions 11. In particular, the first optical portion 11 is defined to have a first position and a second position, and a straight line from the first position to the second position is consistent with the radial direction of the optical assembly 10, that is, the first optical portion 11 can move to between the adjacent second optical portions 12 along the radial direction of the optical assembly 10. The first optical portion 11 forms the first reflection surface 101 at the first position, and forms the second reflection surface 102 with the second optical portion 12 at the second position, that is, each first optical portion 11 is tightly bonded to the adjacent first optical portion 11 at the first position to make the optical assembly 10 in the first state, and the first optical portion 11 is tightly bonded to the second optical portion 12 at the second position to make the optical assembly 10 in the second state.
In the above embodiment, the optical assembly 10 can form different reflection structures by switching between the first reflection surface 101 and the second reflection surface 102, so as to change the beam angle of the lamp 100, but it should be noted that, since the first reflection surface 101 and the second reflection surface 102 are formed to be continuous only when the first optical portion 11 is located at the first position and the second position, gradual change cannot be realized, and when the first optical portion 11 moves between the first position and the second position, the first optical portion 11 and the second optical portion 12 are arranged in a staggered manner, so that different light and shadow effects are not excluded from the lamp 100, and of course, specific structures can be arranged as required without any limitation.
As shown in fig. 5, the first optical portion 11 has a strip shape and includes a first side surface 111 and a second side surface 112 for reflection, the first side surface 111 is formed inside the first optical portion 11, the first side surface 111 is a curved surface, preferably a free-form surface, when the first optical portion 11 is located at a first position, the adjacent first side surfaces 111 are continuous in the first reflection surface 101, and the second side surfaces 112 are provided on both sides of the first optical portion 11 so as to abut against the adjacent first optical portion 11. Further, the second side surface 112 may be a plane or a non-plane, including but not limited to a curved surface with an arc, as long as the second side surface 112 can be tightly combined with the adjacent second side surface 112, and the adjacent first side surface 111 is continuous in the first reflective surface 101, which is not limited herein.
The second optical portion 12 is also in the shape of a strip, and includes a third side surface 121 for reflection and a fourth side surface 122 provided toward the second optical portion 12 on both adjacent sides, and the third side surface 121 is a curved surface, preferably a free-form surface. When the first optical portion 11 is located at the second position, the first side surface 111 and the adjacent third side surface 121 are continuous in the second reflecting surface 102, and the fourth side surface 122 is used for bonding with the second side surface 112.
It should be noted that the second reflecting surface 102 is formed in the optical cavity and is correspondingly shaped like a horn, that is, along the light emitting direction of the lamp 100, the cross-sectional area of the second reflecting surface 102 gradually increases, and accordingly, the widths of the first side surface 111 and the third side surface 121 both gradually increase along the light emitting direction of the reflected light.
In another embodiment of the present invention, a limiting portion 123 for limiting the position of the first optical portion 11 is further disposed outside the second optical portion 12, and the width of the limiting portion 123 is greater than the width of the third side surface 121. Furthermore, guide surfaces 1231 matched with the first optical portion 11 are arranged on two sides of the limiting portion 123, and a slope 113 is correspondingly arranged on the back surface of the first optical portion 11, so that the first optical portion 11 can be smoothly guided between the adjacent second optical portions 12, and misalignment or error is prevented.
As shown in fig. 6 and 7, in a preferred embodiment of the present invention, the second optical portion 12 is fixed to an end surface of the lamp body 20 where the light source is provided, a ring-shaped fixing member 21 is provided on an outer periphery of the light source, the second optical portion 12 is radially and uniformly arranged around a circumferential direction of the fixing member 21, and a sliding groove 22 provided on the shell is formed between adjacent second optical portions 12.
Referring to fig. 8, the first optical portion 11 is disposed between the adjacent second optical portions 12, the first optical portion 11 has a narrower fixed end disposed close to the fixing element 21 and a wider free end disposed away from the fixing element 21, and the first optical portion 11 is rotatably connected to the fixing element 21 through the fixed end. Further, a hook 114 is formed at the fixing end, and the hook 114 can be received in the sliding groove 22 and connected to the fixing element 21, so that the hook 114 can rotate along the sliding groove 22 relative to the fixing element 21, and further the first optical portion 11 can rotate relative to the fixing element 21.
In other embodiments of the present invention, the optical assembly 10 further includes a sliding part 13 which is annular and is coaxially disposed with the fixing part 21, the sliding part 13 is disposed on the outer side of the lamp body 20, and the sliding part 13 can slide along the extending direction of the lamp body 20, a connecting rod 14 is disposed between the sliding part 13 and the first optical part 11, the connecting rod 14 is respectively connected to the sliding part 13 and the first optical part 11 in a rotating manner, and by controlling the reciprocating movement of the sliding part 13 relative to the fixing part 21, all the first optical parts 11 can be driven to synchronously rotate around the fixing part 21, so that the first optical part 11 can be switched between the first position and the second position. It should be noted that, a locking structure may be provided between the sliding member 13 and the lamp body 20, so as to fix the position of the sliding member 13 relative to the lamp body 20, so that the first optical portion 11 is fixed at the first position or the second position, of course, the relative position between the sliding member 13 and the lamp body 20 may be adjusted by friction, and may be specifically provided according to the needs, and is not limited herein.
To sum up, the utility model discloses a form that directly changes optical assembly 10 changes the light beam angle to can freely switch, the wide and illuminating effect of range of application is good.
The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and 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 can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.
Claims (12)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123405443.3U CN217209010U (en) | 2021-12-30 | 2021-12-30 | Optical assembly and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123405443.3U CN217209010U (en) | 2021-12-30 | 2021-12-30 | Optical assembly and lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217209010U true CN217209010U (en) | 2022-08-16 |
Family
ID=82787585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123405443.3U Withdrawn - After Issue CN217209010U (en) | 2021-12-30 | 2021-12-30 | Optical assembly and lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217209010U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216070A (en) * | 2021-12-30 | 2022-03-22 | 苏州欧普照明有限公司 | Optical assembly and lamp |
-
2021
- 2021-12-30 CN CN202123405443.3U patent/CN217209010U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216070A (en) * | 2021-12-30 | 2022-03-22 | 苏州欧普照明有限公司 | Optical assembly and lamp |
| CN114216070B (en) * | 2021-12-30 | 2025-05-27 | 苏州欧普照明有限公司 | Optical components and lamps |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20220816 Effective date of abandoning: 20250527 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20220816 Effective date of abandoning: 20250527 |