CN213983062U

CN213983062U - Camping lamp

Info

Publication number: CN213983062U
Application number: CN202022725037.4U
Authority: CN
Inventors: 王伟毅; 李平江
Original assignee: Hangzhou Greatstar Intelligent Technology Co ltd
Current assignee: Hangzhou Greatstar Intelligent Technology Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-08-17
Anticipated expiration: 2030-11-23

Abstract

The utility model provides a camping lamp, which comprises a shell, a light emitting module and a light guide plate, wherein the light emitting module and the light guide plate are both arranged on the shell, and the light emitting module is coupled with the light guide plate through a light path; the light guide plate is characterized in that at least one light homogenizing groove is formed in the surface of the light guide plate, and light rays emitted by the light emitting module can be transmitted to the outside through the light homogenizing groove. The utility model provides a camping lantern is through offering even light recess on the light guide plate, thereby utilizes the lateral wall of even light recess to improve the diffusion degree of light to the reflection of light, improves the homogeneity of luminance.

Description

Camping lamp

Technical Field

The utility model relates to an outdoor lighting technology field especially relates to a camping lamp.

Background

With the improvement of the living standard of modern people, camping as a frontier outdoor tourism mode has been tried by more and more people. In the process of camping, because there is not electric power in the field, in order to reduce unexpected emergence, the use of camping lantern is indispensable. However, the existing camping lamp still has defects in brightness uniformity, and cannot meet the performance requirements of consumers on the high-uniformity illumination condition of the camping lamp.

SUMMERY OF THE UTILITY MODEL

The utility model provides a camping lamp, it can solve the technical defect of current camping lamp on luminance homogeneity, satisfies the performance requirement of consumers to the high homogeneity illumination condition of camping lamp.

The utility model provides a camping lamp, which comprises a shell, a light emitting module and a light guide plate, wherein the light emitting module and the light guide plate are both arranged on the shell, and the light emitting module is coupled with the light guide plate through a light path; the light guide plate is characterized in that at least one light homogenizing groove is formed in the surface of the light guide plate, and light rays emitted by the light emitting module can be transmitted to the outside through the light homogenizing groove.

The utility model provides a camping lantern is through offering even light recess on the light guide plate, thereby utilizes the lateral wall of even light recess to improve the diffusion degree of light to the reflection of light, improves the homogeneity of luminance.

Furthermore, the number of the light homogenizing grooves is multiple, and the light homogenizing grooves are arranged at intervals.

So set up, the mutual interval between a plurality of even light recesses sets up, has further improved the luminance homogeneity of camping lantern.

Furthermore, the plurality of light-homogenizing grooves are formed in at least one plate surface of the light guide plate, and the plurality of light-homogenizing grooves are arranged in rows and columns.

So set up, even light recess this moment forms array structure on the face of light guide plate main part, not only is favorable to improving the convenience of even light recess when processing, also is favorable to improving the luminance homogeneity of camping lantern.

Furthermore, the light-homogenizing grooves are arranged on the two plate surfaces of the light guide plate, and the light-homogenizing grooves on each plate surface are arranged in rows and columns.

Furthermore, in the light homogenizing grooves on the same plate surface, the distance between every two adjacent light homogenizing grooves is equal.

So set up, the bright homogeneity of camping lantern obtains and further improvement.

Further, the shapes and the sizes of the light homogenizing grooves are the same.

So set up, the processing of a plurality of even light recesses can be responsible for accomplishing by same processing cutter or processing technology, is favorable to improving the convenience of processing.

Further, the light guide plate is an acrylic light guide plate.

So set up, the leaded light performance of light guide plate, the convenient degree of processing and cost all have certain performance advantage.

Further, the camping lamp further comprises a battery, and the battery is contained in the shell and connected to the light-emitting module.

Further, the light emitting module includes a plurality of light emitting units, each of which is optically coupled to the light guide element.

Further, the camping lamp still includes two handles, two handles connect in the casing and all can rotate relatively the casing.

Drawings

Fig. 1 is a schematic perspective view of a camping lamp according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the camping lantern of FIG. 1;

fig. 3 is a schematic view of the camping lantern of fig. 1 at another viewing angle.

Description of reference numerals:

100. a camping lamp; 10. a housing; 11. a handle; 20. a light emitting module; 21. a light emitting unit; 30. a light guide plate; 31. a light homogenizing groove; 32. plate surface; 40. a battery.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3 together, fig. 1 is a schematic perspective view of a camping lantern 100 according to an embodiment of the present invention, fig. 2 is a schematic cross-sectional view of the camping lantern 100 shown in fig. 1, and fig. 3 is a schematic structural view of the camping lantern 100 shown in fig. 1 at another viewing angle.

The camping light 100 is used for illumination indoors or outdoors. In the present embodiment, the camping lamp 100 is used as a lighting device in camping. It is understood that in other embodiments, the camping light 100 may be used in other usage scenarios such as equipment maintenance, lighting in daily life, and the like.

The camping lamp 100 includes a case 10, a light emitting module 20, a light guide plate 30, and a battery 40, wherein the light emitting module 20, the light guide plate 30, and the battery 40 are all mounted to the case 10; the light emitting module 20 is optically coupled to the light guide plate 30, and the battery 40 is electrically connected to the light emitting module 20. The housing 10 serves to support and mount the light emitting module 20, the light guide plate 30, and the battery 40, the light emitting module 20 serving to generate light for illumination, the light guide plate 30 serving to guide and radiate the light generated by the light emitting module 20 to an external environment, and the battery 40 serving to supply power to the light emitting module 20. The battery 40 supplies power to the light emitting module 20, and light generated by the light emitting module 20 is at least partially guided to the light guide plate 30 and then radiated to the external environment of the housing 10 through the light guide plate 30, thereby implementing the illumination function of the camping lamp 100.

The housing 10 has a substantially flat frame structure, and a receiving space is formed therein for receiving the battery 40.

In one embodiment of the present invention, the camping lantern 100 further includes two handles 11, and the two handles 11 are connected to the housing 10 and both can rotate relative to the housing. At this time, the two handles 11 are matched with each other to facilitate the use of the user.

The light emitting module 20 includes a plurality of light emitting units 21, and each of the light emitting units 21 is optically coupled to the light guide plate 30 and is installed inside the housing 10.

In the present embodiment, the plurality of light emitting units 21 are linearly arranged at intervals and are disposed opposite to the edge of the light guide plate 30 in the width direction. It is understood that in other embodiments, a plurality of light emitting units 21 may be disposed in an end-to-end manner in the housing 10; correspondingly, the plurality of light emitting units 21 may also be disposed opposite to the edge of the light guide plate 30 in the length direction, or the plate surface of the light guide plate 30; as long as optical coupling between the light emitting unit 21 and the light guide plate 30 can be achieved.

In one embodiment of the present invention, the light emitting unit 21 is an LED. It is understood that in other embodiments, the light emitting unit 21 may also adopt other light emitting structures besides LEDs.

The light guide plate 30 has a substantially rectangular flat plate shape, and the light guide plate 30 is fixedly mounted on the housing 10 and optically coupled to each of the light emitting cells 21 in the light emitting module 20. It should be noted that the optical coupling between the light guide plate 30 and the light emitting module 20 may be a direct coupling between the two, such as the light emitting module 20 and the light guide plate 30 are disposed opposite to each other in the width direction, or an indirect coupling between the two, such as the light emitting module 20 and the light guide plate 30 are indirectly coupled through an intermediate optical connector (e.g., an optical fiber).

The battery 40 is fixedly mounted to the housing 10. the battery 40 may be a non-rechargeable battery or a rechargeable battery may be used to increase the life of the camping light 100.

It can be understood that the camping lamp 100 also needs to be provided with a switch (not numbered), an appearance ornament, and other functional elements to achieve the basic control function of the camping lamp 100 or meet the requirement of aesthetic appearance; since these functional elements are not the focus of the present invention, they will not be described herein.

The brightness uniformity of the existing camping lamp during illumination cannot completely meet the requirement of camping scene illumination, and a uniform and dispersed optical radiation area cannot be formed. In order to solve the above technical problem, the utility model provides a camping lamp 100 has seted up at least one dodging recess 31 on the surface of light guide plate 30, and the light that light emitting module 20 launches can transmit to the outside through dodging recess 31.

At this time, the light emitted from the light emitting module 20 is transmitted to the outside through the light uniformizing groove 31, and the light emitted from the light emitting module 20 can be transmitted from the inside of the light guide plate 30 through the side wall or the bottom wall of the light uniformizing groove 31 after being transmitted and guided inside the light guide plate 30. Due to the refraction effect of the light uniformizing groove 31, the light uniformizing groove 31 optimizes the surface structure of the light guide plate 30 to be closer to or form a surface structure shape satisfying the diffuse reflection, thereby improving the brightness uniformity of the camping lamp 100 and contributing to the formation of a uniform and dispersed optical radiation area.

As for the shape, size or processing method of the light uniformizing groove 31, it is possible to select an appropriate structure, size or processing method according to the actual light requirement. In the present embodiment, the dodging groove 31 is substantially circular; of course, in other embodiments, the dodging groove 31 may have other structures besides a circular shape, such as a polygon. Meanwhile, as for the opening position of the light uniformizing groove 31, any surface of the light guide plate 30, for example, any one of two opposite plate surfaces 32, two opposite side surfaces (not numbered), and a top surface (not numbered) may be selected; as long as the light ray penetrates out of the light uniformizing groove 31.

The utility model provides a camping lantern 100 is through seting up even light recess 31 on light guide plate 30, thereby utilizes the lateral wall of even light recess 31 to improve the dispersed degree of light to the reflection of light, improves the homogeneity of luminance.

In an embodiment of the present invention, the number of the light uniformizing grooves 31 is plural, and the plural light uniformizing grooves 31 are spaced from each other.

It should be noted that "the plurality of light unifying grooves 31 are spaced from each other" means that some (at least two) light unifying grooves 31 are spaced from each other in all the light unifying grooves 31, and it is not particularly required that all the light unifying grooves 31 are spaced from each other.

The plurality of light uniformizing grooves 31 are spaced from each other, so that the brightness uniformity of the camping lamp 100 is further improved.

In an embodiment of the present invention, the plurality of light uniformizing grooves 31 are disposed on one of the surfaces 32 of the light guide plate 30 at intervals, and the plurality of light uniformizing grooves 31 are arranged in rows and columns at intervals, that is, the plurality of light uniformizing grooves 31 are disposed on one of the surfaces 32 of the light guide plate 30 in an array manner.

Alternatively, the plurality of light uniformizing grooves 31 are spaced from each other and disposed on two opposite plate surfaces 32 of the light guide plate 30, and at this time, the plurality of light uniformizing grooves 31 are also arranged in rows and columns spaced from each other, that is, the plurality of light uniformizing grooves 31 are disposed on the two plate surfaces 32 of the light guide plate 30 in an array.

The light-uniformizing grooves 31 are formed in an array structure on the plate surface 32 of the light guide plate 30, which is not only beneficial to improving convenience of processing the light-uniformizing grooves 31, but also beneficial to improving brightness uniformity of the camping lamp 100.

Further, select all to set up even light recess 31 of array structure on two faces 32, not only further strengthened even light recess 31 to the range that camping lantern 100 luminance homogeneity performance promoted, also make camping lantern 100 have the same luminance in two illumination directions of symmetry, avoid camping lantern 100 to appear in a direction of illumination luminance homogeneous relatively, shine the light unbalance problem of the relative gathering of direction luminance in another.

In an embodiment of the present invention, in the plurality of light uniformizing grooves 31 on the same plate surface 32, the distance between every two adjacent light uniformizing grooves 31 is equal.

In this case, the light uniformity of the camping lamp 100 is further improved.

In an embodiment of the present invention, the shapes and sizes of the plurality of light uniformizing grooves 31 are the same, that is, the plurality of light uniformizing grooves 31 are consistent in terms of the structural features such as the depth, the size of the opening, and the shape of the opening.

At this time, the processing of the multiple dodging grooves 31 can be completed by the same processing tool or processing technology, which is beneficial to improving the convenience of processing.

In one embodiment of the present invention, the light uniformizing groove 31 is formed by a laser drilling process.

In this case, the smoothing groove 31 is convenient to process and has a high wall surface finish.

In one embodiment of the present invention, the light guide plate 30 is an acrylic light guide plate. At this time, the light guide performance, the processing convenience, and the cost of the light guide plate 30 have certain performance advantages.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims

1. A camping lamp comprises a shell, a light emitting module and a light guide plate, wherein the light emitting module and the light guide plate are both arranged on the shell, and the light emitting module is coupled with the light guide plate through a light path; the light guide plate is characterized in that at least one light homogenizing groove is formed in the surface of the light guide plate, and light rays emitted by the light emitting module can be transmitted to the outside through the light homogenizing groove.

2. The camping lamp of claim 1, wherein the light-homogenizing groove is provided in a plurality, and the plurality of light-homogenizing grooves are spaced apart from each other.

3. The camping lamp of claim 2, wherein a plurality of the light-homogenizing grooves are formed on one surface of the light guide plate, and the plurality of the light-homogenizing grooves are arranged in rows and columns.

4. The camping lamp of claim 2, wherein a plurality of light-homogenizing grooves are formed on two panels of the light guide plate, and the plurality of light-homogenizing grooves on each panel are arranged in rows and columns.

5. The camping lamp of claim 3 or 4, wherein the light-homogenizing groove is positioned on the same board, and the distance between every two adjacent light-homogenizing grooves is equal.

6. The camping light of claim 2, wherein the plurality of light homogenizing grooves are all the same in shape and size.

7. The camping light of claim 1, wherein the light guide plate is an acrylic light guide plate.

8. The camping light of claim 1, further comprising a battery housed within the housing and coupled to the light module.

9. The camping light of claim 1, wherein the lighting module comprises a plurality of lighting units, each lighting unit optically coupled to the light directing element.

10. The camping light of claim 1, further comprising two handles that are connected to the housing and both are rotatable relative to the housing.