CN220321132U

CN220321132U - PAR light source

Info

Publication number: CN220321132U
Application number: CN202322203533.7U
Authority: CN
Inventors: 冼学行; 丁艳和
Original assignee: Dongguan Aiduo Illumination Co ltd
Current assignee: Dongguan Aiduo Illumination Co ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-01-09
Anticipated expiration: 2033-08-15

Abstract

The utility model relates to the technical field of light source irradiation, and provides a PAR light source which comprises a shell, a lamp panel arranged in the shell and a lens clamped and fixed with the shell; the lens is arranged opposite to the light-emitting surface of the lamp panel; the lens is provided with a plurality of refraction parts protruding towards one side of the lamp panel, the plurality of refraction parts are arranged from the center of the lens from inside to outside, and the height of the refraction part arranged on the inner side is smaller than or equal to the height of the refraction part arranged on the outer side; the refraction part arranged at the outermost side of the lens and the periphery of the lens are separated to form a light collecting region, the shell is provided with a reflecting surface between the lamp panel and the lens, the reflecting surface is arranged at the periphery of the lens, and part of light rays of the lamp panel are refracted by one or more refraction parts and then emitted to the reflecting surface and reflected by the reflecting surface and then emitted from the light collecting region. The utility model improves the light intensity of the light beam, so that the light beam has stronger density, can meet the requirement of long-distance irradiation of users, and has better use experience.

Description

PAR light source

Technical Field

The utility model relates to the technical field of light source irradiation, in particular to a PAR light source.

Background

PAR light sources, also known as simple lamps, or beam lamps, are constructed by mounting a specular bulb in a cylinder, and also using a reflector to mount a tungsten-bromine bulb, the primary characteristic of which is to emit a relatively fixed beam of light.

At present, a traditional PAR light source in the market generally emits light by a plurality of lamp beads arranged on a lamp panel in an inner cavity of a lamp body at the same time, and light rays are transmitted through a lens by a planar lens so as to form light beams and are emitted outwards; however, the conventional PAR light source cannot condense light due to the lens, so that part of light is lost due to the fact that the light irradiates on the weak side with less light, the light intensity of the light beam is reduced, the light is easy to scatter, the requirement of long-distance irradiation of a user cannot be met, and the use experience is poor.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a PAR light source with high light intensity and better use experience.

In order to solve the problems, the utility model provides the following technical scheme:

a PAR light source comprising a housing, a lamp panel mounted in the housing, and a lens snap-fitted to the housing; the lens is arranged opposite to the light-emitting surface of the lamp panel;

a plurality of refraction parts are convexly arranged on one side of the lamp panel, which faces the lamp panel, the plurality of refraction parts are arranged from the center of the lens from inside to outside, the height of the refraction part arranged on the inner side is smaller than or equal to the height of the refraction part arranged on the outer side;

the refraction part arranged at the outermost side of the lens and the periphery side of the lens are separated to form a light collecting region, the shell is provided with a reflecting surface between the lamp panel and the lens, the reflecting surface is arranged at the periphery side of the lens, and part of light rays of the lamp panel are refracted by one or more refraction parts and then emitted to the reflecting surface and reflected by the reflecting surface and then emitted from the light collecting region.

In an embodiment, one surface of any refractive part facing the reflecting surface is a convex cambered surface, and the other surface facing the central axis of the lens is perpendicular to the lens.

In an embodiment, a portion of the refraction portion overlaps with the projection of the lamp panel, and a height of a portion of the refraction portion overlapping with the projection of the lamp panel is equal.

In an embodiment, the reflecting surface forms a fixed included angle with the lens, and the fixed included angle ranges from 30 degrees to 45 degrees.

In one embodiment, the plurality of refraction portions are each provided in a ring-shaped structure.

In one embodiment, the width of the light collecting region ranges from 1/4 to 1/3 of the sum of the widths of all the refraction portions.

In one embodiment, the light reflecting surface is provided as light reflecting paper.

In an embodiment, the housing includes a first housing wall and a second housing wall disposed outside the first housing wall, the first housing wall and the second housing wall are integrally formed, and the lamp panel is mounted in a center of a side of the first housing wall facing the lens.

In an embodiment, a plurality of radiating ribs are convexly arranged on the outer side of the second shell wall, and a radiating channel is formed between any two radiating ribs at intervals.

In an embodiment, the PAR light source further comprises a power supply assembly, the housing further comprises a housing cavity arranged on the other side of the first housing wall away from the lamp panel, and the power supply assembly is mounted in the housing cavity;

the power supply assembly comprises a main control board and dial switches arranged on two sides of the main control board, wherein the main control board is electrically connected with the lamp panels, one dial switch is used for adjusting the power of the lamp panels through the main control board, and the other dial switch is used for adjusting the color temperature of the lamp panels through the main control board.

The beneficial effects of the utility model are as follows: through setting up a plurality of refracting parts on lens to make the light of a part of lamp plate directly outwards jet out after passing the refracting part that is protruding by the lens, the refraction of different directions appears when another part of light then shines different refracting parts, and through setting the height of locating the refracting part of inboard to be less than or equal to the height of locating the refracting part of outside, thereby make the refracting direction of different light produce the change, finally make this part of light shine to the reflecting surface after refracting and then outwards jet out from the light collecting region, the light intensity of the light collecting region that has increased, make the light of a part of light strengthen the light collecting region that the light is weaker, thereby the light intensity of light beam has been promoted makes the light intensity stronger, can satisfy the demand that the user shines by a long distance, the use experience sense is better.

Drawings

Fig. 1 is a perspective view of one embodiment of a PAR light source of the present utility model;

fig. 2 is a cross-sectional view of one embodiment of a PAR light source of the present utility model;

FIG. 3 is a schematic view of the optical path of one embodiment of a PAR light source according to the present utility model;

fig. 4 is a schematic view of the optical path of another embodiment of a PAR light source according to the present utility model.

Reference numerals:

100. a PAR light source; 110. a housing; 111. a lamp panel; 112. a lens; 113. a refraction section; 11a, a light collecting region; 114. a reflective surface; 121. a first housing wall; 122. a second housing wall; 131. radiating ribs; 13a, heat dissipation channels; 115. a power supply assembly; 11b, a housing cavity; 141. a main control board; 142. a dial switch.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-4, the present embodiment provides a PAR light source 100, which includes a housing 110, a lamp panel 111 installed in the housing 110, and a lens 112 engaged and fixed with the housing 110; wherein, the lens 112 is disposed opposite to the light emitting surface of the lamp panel 111, so that the light of the lamp panel 111 is emitted from the light emitting surface and then emitted to the outside through the lens 112; further, the lens 112 is provided with a plurality of refraction portions 113 protruding towards one side of the lamp panel 111, the plurality of refraction portions 113 are arranged from inside to outside from the center of the lens 112, and the height of the refraction portion 113 arranged on the inner side is smaller than or equal to the height of the refraction portion 113 arranged on the outer side; the refraction portion 113 disposed at the outermost side of the lens 112 and the peripheral side of the lens 112 form a light collecting region 11a at intervals, the housing 110 is provided with a reflective surface 114 between the lamp panel 111 and the lens 112, the reflective surface 114 is disposed at the peripheral side of the lens 112, and part of the light of the lamp panel 111 is refracted by one or more refraction portions 113, then directed to the reflective surface 114, reflected by the reflective surface 114, and then emitted from the light collecting region 11 a.

According to the above-mentioned scheme, it can be appreciated that, in this embodiment, by disposing the plurality of refraction portions 113 on the lens 112, a portion of light of the light panel 111 may directly exit outwards after passing through the refraction portion 113 protruding from the lens 112, and another portion of light may be refracted in different directions when irradiated to different refraction portions 113, and by setting the height of the refraction portion 113 disposed on the inner side to be less than or equal to the height of the refraction portion 113 disposed on the outer side, the refraction directions of different light may be changed, and finally the portion of light may be irradiated to the reflection surface after refraction and then exit outwards from the light collecting region 11a, so as to increase the light-emitting density of the light collecting region 11a, so that a portion of light may reinforce the light collecting region 11a with weaker light, and the light intensity of the light beam may be improved, thereby making the light beam have stronger density, and may meet the requirement of remote irradiation of the user, and may have better experience in use.

Preferably, one surface of any refraction portion 113 facing the reflection surface 114 is a convex arc surface, and the other surface facing the central axis perpendicular to the lens 112 is perpendicular to the lens 112; the structure is characterized in that the refraction part 113 is arranged to be more easily penetrated by light, and part of the light irradiated by the lamp panel 111 to the center of the refraction part 113 is more easily refracted, so that the light is favorably reflected to the reflection surface 114 by the refraction part 113 and then emitted to the light collecting region 11a; further, in the present embodiment, the projections of the part of the refraction portion 113 and the light panel 111 overlap each other, and the height of the part of the refraction portion 113 overlapping each other with the projection of the light panel 111 is equal, it is understood that the sum of the numbers of the two sides of the refraction portion 113 with equal height at the center of the lens 112 is twelve in the present embodiment, so as to form a refraction area corresponding to the width of the light panel 111, so that part of the light rays irradiated to this refraction area by the light panel 111 can be reflected by the refraction portion 113, and the light rays are reflected by the part of the light rays irradiated by the refraction portion and are emitted from the light collecting area 11a after being reflected by the reflecting surface, thereby further improving the irradiation intensity of the whole light beam.

Preferably, the reflecting surface 114 forms a fixed included angle J1 with the lens 112, and the fixed included angle J1 ranges from 30 degrees to 45 degrees; alternatively, in the present embodiment, the angle of the fixed angle J1 formed by the reflecting surface 114 and the lens 112 is 35 °, which is to make the light of the refraction portion 113 reflected by the reflecting surface 114 totally reflect to the light collecting region 11a after being reflected to the reflecting surface 114; further, the plurality of refraction portions 113 in the present embodiment are each provided in an annular structure, and at the same time, the reflection surface 114 in the present embodiment is provided as reflection paper.

Preferably, the width L1 of the light collecting region 11a ranges from 1/4 to 1/3 of the sum L2 of the widths of all the refraction portions 113; alternatively, the width L1 of the light collecting region 11a in the present embodiment is 1/4 of the sum L2 of the widths of all the refraction portions 113, which is to limit the relationship between the width of the refraction portion 113 and the width L1 of the light collecting region 11a, so as to avoid that the width of the refraction portion 113 on the lens 112 is too long to cause the width of the light collecting region 11a to be shorter, thereby causing the area of the light collecting region 11a to be too small, and light is difficult to smoothly pass through the light collecting region 11a to be emitted to the outside.

Preferably, the housing 110 includes a first housing wall 121 and a second housing wall 122 disposed outside the first housing wall 121, the first housing wall 121 and the second housing wall 122 are integrally formed, and the lamp panel 111 is mounted at a center of a side of the first housing wall 121 facing the lens 112; in addition, the housing 110 in this embodiment is made of die-cast aluminum, and the first housing wall 121 and the second housing wall 122 are integrally formed, so that heat generated by the lamp panel 111 installed in the center of the first housing wall 121 during operation is quickly transferred to the second housing wall 122, and the heat dissipation area is increased.

Preferably, the PAR light source 100 further comprises a power supply assembly 115, the housing 110 further comprises a housing cavity 11b having a first housing wall 121 disposed on the other side away from the lamp panel 111, and the power supply assembly 115 is mounted to the housing cavity 11b; further, the power supply assembly 115 includes a main control board 141 and dial switches 142 mounted on two sides of the main control board 141, the main control board 141 is electrically connected with the lamp panel 111, one dial switch 142 adjusts the power of the lamp panel 111 through the main control board 141, and the other dial switch 142 adjusts the color temperature of the lamp panel 111 through the main control board 141.

In summary, the present utility model provides a PAR light source, where a plurality of refraction portions are disposed on a lens, so that a portion of light of a lamp panel may directly exit outwards after passing through the refraction portion protruding from the lens, and another portion of light may be refracted in different directions when it irradiates onto different refraction portions, and the height of the refraction portion disposed on the inner side is set to be less than or equal to the height of the refraction portion disposed on the outer side, so that the refraction directions of different light may be changed, and finally the portion of light irradiates the reflection surface and then exits from the light collecting region after refraction, thereby increasing the light-emitting density of the light collecting region, enhancing the light collecting region with weaker light, and improving the light intensity of the light beam, so that the light beam intensity is stronger, and the requirement of long-distance irradiation of a user may be satisfied, and the use experience is better.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, one of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not drive the essence of the corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A PAR light source, comprising a housing, a lamp panel mounted in the housing, and a lens engaged with the housing; the lens is arranged opposite to the light-emitting surface of the lamp panel;

the lens is convexly provided with a plurality of refraction parts towards one side of the lamp panel, the plurality of refraction parts are arranged from the center of the lens from inside to outside, and the height of the refraction parts arranged on the inner side is smaller than or equal to the height of the refraction parts arranged on the outer side;

2. A PAR light source as claimed in claim 1, wherein: any one surface of the refraction part facing the reflecting surface is a convex cambered surface, and the other surface facing the central axis of the lens is perpendicular to the lens.

3. A PAR light source as claimed in claim 1, wherein: and part of the refraction parts are mutually overlapped with the projection of the lamp panel, and the height of the part of the refraction parts which are mutually overlapped with the projection of the lamp panel is equal.

4. A PAR light source as claimed in claim 1, wherein: the reflecting surface and the lens form a fixed included angle, and the angle range of the fixed included angle is 30-45 degrees.

5. A PAR light source as claimed in claim 1, wherein: the refraction parts are all arranged in an annular structure.

6. A PAR light source as claimed in claim 1, wherein: the width of the light collecting region is in the range of 1/4-1/3 of the sum of the widths of all the refraction parts.

7. A PAR light source as claimed in claim 1, wherein: the light reflecting surface is made of light reflecting paper.

8. A PAR light source as claimed in claim 1, wherein: the shell comprises a first shell wall and a second shell wall arranged on the outer side of the first shell wall, the first shell wall and the second shell wall are integrally formed, and the lamp panel is arranged at the center of the first shell wall, which faces to one side of the lens.

9. The PAR light source of claim 8, wherein: and a plurality of radiating ribs are convexly arranged on the outer side of the second shell wall, and a radiating channel is formed between any two radiating ribs at intervals.

10. The PAR light source of claim 8, wherein: the PAR light source further comprises a power supply assembly, the shell further comprises a containing cavity, the first shell wall is arranged on the other side of the containing cavity away from the lamp panel, and the power supply assembly is arranged in the containing cavity;