WO2021249259A1

WO2021249259A1 - Lighting fixture

Info

Publication number: WO2021249259A1
Application number: PCT/CN2021/097928
Authority: WO
Inventors: 王洪波; 马子才; 王万林; 闫磊
Original assignee: 苏州欧普照明有限公司; 欧普照明股份有限公司
Priority date: 2020-06-08
Filing date: 2021-06-02
Publication date: 2021-12-16
Also published as: CN212056945U

Abstract

A lighting fixture, comprising a housing (100), a light source assembly (200), a first lens (300) and a second lens (400). The housing (100) is provided with a first cavity (110), the light source assembly (200) is provided in the first cavity (110), and the light source assembly (200) comprises a light-emitting portion (210); when the lighting fixture is in a first state, the first lens (300) is provided in the first cavity (110), the second lens (400) is separated from the housing (100), the first lens (300) is provided opposite to the light-emitting portion (210), a first polarizing structure is provided at the side of the first lens (300) facing towards the light-emitting portion (210), and the light emitted by the light-emitting portion (210) can be refracted to a first side by means of the first polarizing structure; and when the lighting fixture is in a second state, the second lens (400) is provided in the first cavity (110), the first lens (300) is separated from the housing (100), the second lens (400) is provided opposite to the light-emitting portion (210), a second polarizing structure is provided at the side of the second lens (400) facing towards the light-emitting portion (210), and the light emitted by the light-emitting portion (210) can be refracted to a second side and a third side by means of the second polarizing structure. The lighting fixture can solve the problem of poor lighting effect of the existing lighting fixtures.

Description

Lighting fixtures

Technical field

The present invention relates to the technical field of lamp products, in particular to a lighting lamp.

Background technique

With the rapid development of lighting technology and the improvement of people's living standards, lighting fixtures have become inseparable from people's lives. Lighting fixtures include home lighting fixtures, commercial lighting fixtures, industrial lighting fixtures, road lighting fixtures, landscape lighting fixtures, special lighting fixtures, etc. Various lighting fixtures are used in various places of people's lives, providing convenience for people's lives.

For example, when illuminating supermarket shelves or warehouse shelves, lighting fixtures are usually installed on the ceiling or the top of the wall, so that the lighting fixtures can project light downwards, thereby achieving the purpose of illumination. However, in actual use, the light emitted by the current lighting fixtures is not uniform enough and the irradiation range is small, which results in poor lighting effects on supermarket shelves or warehouse shelves, which in turn makes the user experience poor.

Of course, it is not only limited to lighting fixtures used in supermarket shelves or warehouse shelves, but lighting fixtures used in other places also have the above problems.

Summary of the invention

The invention discloses a lighting lamp, which can solve the problem of poor lighting effect of the existing lighting lamp.

In order to solve the above problems, the present invention adopts the following technical solutions:

A lighting fixture, comprising a housing, a light source assembly, a first lens and a second lens, the housing has a first cavity, the light source assembly is arranged in the first cavity, and the light source assembly includes a light emitting part ；

When the lighting fixture is in the first state, the first lens is disposed in the first cavity, the second lens is separated from the housing, and the first lens is opposite to the light-emitting part Is provided, and the first lens is provided with a first polarizing structure on a side facing the light emitting portion, and light emitted by the light emitting portion can be refracted to the first side through the first polarizing structure;

When the lighting fixture is in the second state, the second lens is disposed in the first cavity, the first lens is separated from the housing, and the second lens is opposite to the light-emitting part The second lens is provided with a second polarizing structure on the side facing the light emitting part, and the light emitted by the light emitting part can be refracted to the second side and the third side through the second polarizing structure.

The technical scheme adopted by the present invention can achieve the following beneficial effects:

In the lighting fixture disclosed in the embodiment of the present invention, the first lens or the second lens can improve the illuminating effect of the light-emitting part on the illuminated object, so that the user’s experience is better. Moreover, the user can use the specific environment according to the specific environment. The first lens and the second lens can be arbitrarily switched to meet the lighting requirements in different environments. Specifically, when the first lens is arranged in the first cavity and the second lens is separated from the housing, the lighting fixture can meet the requirements of single The lighting requirements of the side light, when the second lens is arranged in the first cavity and the first lens is separated from the housing, the lighting fixture can meet the lighting requirements of the double-sided light, thereby making the lighting fixture more practical.

Description of the drawings

In order to more clearly describe the technical solutions in the embodiments of the present invention or the background art, the following will briefly introduce the drawings that need to be used in the embodiments or the background art. Obviously, for those of ordinary skill in the art, Other drawings can be obtained based on these drawings without creative labor.

Fig. 1 is a schematic structural diagram of a lighting lamp in a first state disclosed in an embodiment of the present invention;

2 is a schematic diagram of the structure of the lighting fixture having an optical path in the first state according to the embodiment of the present invention;

FIG. 3 is a schematic diagram of the structure of the lighting fixture in the second state disclosed by the embodiment of the present invention; FIG.

FIG. 4 is a schematic structural diagram of the lighting lamp having an optical path in a second state according to an embodiment of the present invention;

Figure 5 is an exploded schematic diagram of Figure 1;

6 is a schematic diagram of the structure of the first lens in the lighting lamp disclosed in the embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a second lens in the lighting lamp disclosed in an embodiment of the present invention.

Description of reference signs:

100-housing, 110-first chamber, 111-accommodating groove, 112-first connecting part, 120-substrate, 130-second chamber;

200-light source assembly, 210-light emitting part;

300-first lens, 310-shielding part, 311-reflection inclined surface, 320-first sub-surface, 330-second sub-surface, 340-first step surface, 350-second connecting part;

400-second lens, 410-convex surface, 420-third connecting part;

500-power supply;

600-anti-glare reflector.

detailed description

In order to make the objectives, technical solutions, and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with specific embodiments of the present invention and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

The technical solutions disclosed in the various embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in FIGS. 1 to 7, an embodiment of the present invention discloses a lighting lamp. The lighting lamp includes a housing 100, a light source assembly 200, a first lens 300 and a second lens 400.

The housing 100 is a peripheral component of the lighting fixture. The housing 100 can provide installation positions for other components of the lighting fixture. In the embodiment of the present invention, the housing 100 has a first cavity 110, and the light source assembly 200 is disposed in the first cavity 110 Inside, the light source assembly 200 includes a light-emitting part 210 that can emit light to illuminate the illuminated object.

In the disclosed embodiment of the present invention, the lighting fixture has a first state and a second state. When the lighting fixture is in the first state, the first lens 300 is disposed in the first cavity 110, and the second lens 400 is connected to the housing. 100 is separated, the first lens 300 is arranged opposite to the light-emitting part 210 so that the light emitted by the light-emitting part 210 can irradiate the first lens 300, and the first lens 300 is provided with a first polarizing structure on the side facing the light-emitting part 210. A polarizing structure can refract light, please refer to FIG. 2 (the arrow indicates the propagation direction of the light), so that the light emitted by the light emitting part 210 can be refracted to the first side through the first polarizing structure.

In a specific application process, when the lighting fixture is installed at a specific working position (such as a roof), the first side mentioned above can be the position where the illuminated object (such as a container, a display cabinet, etc.) is located. In this case, the light-emitting part Due to the refraction of the first polarizing structure, the light emitted by the light 210 can be focused on the illuminated object, so that the light emitting part 210 has a better illuminating effect on the illuminated object.

When the lighting fixture is in the second state, the second lens 400 is arranged in the first cavity 110, the first lens 300 is separated from the housing 100, and the second lens 400 is arranged opposite to the light-emitting part 210, so that the light-emitting part 210 The emitted light can irradiate the second lens 400, and the side of the second lens 400 facing the light-emitting part 210 is provided with a second polarizing structure. The second polarizing structure can refract the light. Please refer to FIG. 4 (the arrow indicates the propagation direction of the light) , So that the light emitted by the light emitting part 210 can be refracted to the second side and the third side through the second polarizing structure.

It should be noted that, in the embodiment of the present invention, the second side and the third side may be opposite sides of the lighting fixture, or may be two adjacent sides of the lighting fixture. The second side and the first side can be the same side of the lighting fixture or different sides of the lighting fixture. Similarly, the third side and the first side can be the same side of the lighting fixture or different sides of the lighting fixture. .

In a specific application process, when the lighting fixture is installed in a specific working position (such as a roof), the above-mentioned second side and third side can be the positions where two rows of objects to be illuminated (such as containers, display cabinets, etc.) are located. In the above case, the light emitted by the light-emitting part 210 is refracted by the second polarizing structure, so that it can be focused on two rows of illuminated objects, so that the light-emitting part 210 has a better illumination effect on the two rows of illuminated objects.

It can be seen from the foregoing that in the lighting fixture disclosed in the embodiment of the present invention, the first lens 300 or the second lens 400 can improve the illuminating effect of the light-emitting part 210 on the illuminated object, so as to make the user experience better, and the user The first lens 300 and the second lens 400 can be arbitrarily switched according to the specific use environment to meet the lighting requirements in different environments. Specifically, when the first lens 300 is disposed in the first chamber 110, and the When the second lens 400 is separated from the housing 100, the lighting fixture can meet the lighting requirements of one-sided light. When the second lens 400 is disposed in the first cavity 110 and the first lens 300 is separated from the housing 100, the lighting fixture can It satisfies the lighting requirements of double-sided light, which in turn makes the lighting fixtures more practical.

In the embodiment of the present invention, optionally, the side of the first lens 300 facing the light-emitting portion 210 may be provided with a shielding portion 310. Please refer to FIG. 1 again, the shielding portion 310 may direct the first lens 300 toward the side of the light-emitting portion 210 Divided into a first sub-surface 320 and a second sub-surface 330, the shielding portion 310 and the first sub-surface 320 may constitute the first polarization structure described above, and the light-emitting portion 210 may be disposed opposite to the first sub-surface 320. In this case, in a specific working process, due to the shielding effect of the shielding portion 310, the light emitted by the light-emitting portion 210 can only be irradiated to the first sub-surface 320, and then refracted to the first side through the first sub-surface 320 In this way, the light utilization efficiency can be improved, so that the light effect to the first side is better.

It can be seen from the above that the shielding portion 310 plays a role of shielding, and the shielding portion 310 and the first sub-surface 320 form a first polarization structure, thereby achieving single-sided polarization of light. Of course, the first lens 300 can also achieve single-sided polarization through other structures. For the side-polarized light, for example, by adding a reflection structure, the light received by the first lens 300 can be reflected to the first side.

Further, in order to improve the uniformity of the light emitted by the lighting fixture, the first sub-surface 320 may include a plurality of first stepped surfaces 340. In the direction toward the outer edge of the first sub-surface 320, the height of the first stepped surface 340 is Can be gradually reduced. In this case, by changing the distance between the light-emitting portion 210 and each position on the first sub-surface 320, the light-emitting effect can be changed. When the light is irradiated to the first side, this method can make the light irradiate to the first side. The light uniformity at each position on the side is better, so that the lighting effect of the lighting fixture can be improved.

In order to further improve the lighting effect of the lighting fixture, the shielding portion 310 may be provided with a reflective inclined surface 311 in the direction away from the first sub-surface 320, and the angle between the reflective inclined surface 311 and the direction toward the outer edge of the first sub-surface 320 may be smaller than 90°. In this case, the light irradiated to the shielding portion 310 can be reflected to the first side through the reflective inclined surface 311, so that the light utilization efficiency can be improved, so that the light effect on the first side can be better. In this application, the outer edge refers to the part of the first sub-surface 320 adjacent to the edge of the first lens 300.

In the embodiment of the present invention, the side of the second lens 400 facing the light-emitting part 210 may include a convex surface 410, which may be disposed opposite to the light-emitting part 210, and the convex surface 410 may be a second polarization structure. Please refer to FIGS. 2 and 5. In the specific working process, when the light emitted by the light emitting part 210 is irradiated to the convex surface 410, the convex surface 410 can diffuse the light to the side, that is, the light irradiated on the convex surface 410 can be diffused to the side through the slope structure of the convex surface 410 Open so that the light passing through the second lens 400 can be irradiated to the second side and the third side. The structure of the second lens 400 is relatively simple, thereby facilitating processing and forming. Optionally, the second lens 400 may be formed by stamping.

Specifically, different regions of the second lens 400 can be designed with structures or materials with different folding directions, so that the light will diffuse to the second side and the third side when it is projected on the second lens 400. Of course, a reflective structure can also be provided in the second lens 400, so as to realize the adjustment of the light propagation direction.

Of course, there may be many specific structures for forming the convex surface 410. In an optional embodiment, the convex surface 410 may include a plurality of second stepped surfaces. In the direction in which the central area of the convex surface 410 faces the edge area of the convex surface 410, The height of the second step surface can be gradually reduced. In this way, not only the light passing through the second lens 400 can be irradiated to the second side and the third side, but also the multiple second step surfaces can also improve the uniformity of the light so as to irradiate to various positions on the second side. Or the light on each position on the third side is more uniform, thereby improving the lighting effect of the lighting fixture.

In another optional embodiment, the convex surface 410 may be a smooth curved surface that protrudes toward the light-emitting portion 210. In this way, not only the light passing through the second lens 400 can be irradiated to the second side and the third side, but also the convex surface 410 of this structure enables a larger part of the light irradiated by the light emitting portion 210 to the convex surface 410 to be refracted to the second side. Side and third side, which can improve the light utilization efficiency.

In the lighting fixture disclosed in the embodiment of the present invention, optionally, the first cavity 110 may be provided with a receiving groove 111, the light source assembly 200 may be provided in the receiving groove 111, and the first lens 300 or the second lens 400 may be provided in the receiving groove 111. Slot 111 notch. This method not only makes the lighting fixture more compact, but also, the receiving groove 111 can also block light to prevent the light emitted by the light-emitting part 210 from being irradiated to other positions, so that a larger part of the light emitted by the light-emitting part 210 can illuminate the second place. A lens 300 or a second lens 400 is refracted by the first lens 300 or the second lens 400, so that the lighting effect of the lighting fixture is better.

Further, optionally, the inner wall of the accommodating groove 111 may be provided with a first connecting portion 112, the first lens 300 may be provided with a second connecting portion 350, the second lens 400 may be provided with a third connecting portion 420, and the second connecting portion 420 may be provided. Both the portion 350 and the third connecting portion 420 can be snap-fitted with the first connecting portion 112. Specifically, when the lighting fixture is in the first state, the second connecting portion 350 can be snap-fitted with the first connecting portion 112. When the lighting fixture is in the second state, the third connecting portion 420 and the first connecting portion 112 are snap-fitted. As shown in Figures 1 and 2, in this case, the first lens 300 or the second lens 400 can be easily installed in the notch of the receiving groove 111, thereby saving the time required for assembly. The first connecting portion 112 on the inner wall can also play a role of positioning, so that the first lens 300 or the second lens 400 can be easily installed in a suitable working position. Of course, the first lens 300 or the second lens 400 can also be arranged in the notch of the receiving groove 111 by means of bonding, welding or screw connection, which is not limited in the embodiment of the present invention.

In the embodiment of the present invention, the lighting fixture may further include a power supply 500, and the inside of the housing 100 may be provided with a substrate 120 integrally formed therewith. The substrate 120 may divide the inside of the housing 100 into a first chamber 110 and a second chamber. 130. The power source 500 may be disposed in the second chamber 130, and the power source 500 may be electrically connected to the light source assembly 200. In this case, the power source 500 and the light source assembly 200 may be in two different chambers to isolate the power source 500 from the light source assembly 200, thereby preventing the power source 500 from interfering with the operation of the light source assembly 200. At the same time, this method can also increase the assembly speed of the lighting fixture.

The lighting fixture disclosed in the embodiment of the present invention may further include an anti-glare reflector 600, the anti-glare reflector 600 may be disposed at the light outlet of the housing 100, and the light emitting part 210 may be disposed opposite to the anti-glare reflector 600. The anti-glare reflector 600 can reduce the anti-glare value of the light, thereby protecting the eyes of the user, so that the user's experience is better.

In the embodiment of the present invention, the light emitted by the light-emitting part 210 can be irradiated to the fourth side, and the fourth side can be opposite to the light-emitting part 210. In this case, regardless of whether the lighting fixture is in the first state or the second state, the light emitted by the lighting fixture can be irradiated to the fourth side. When the lighting fixture is installed in a specific working position (such as the roof), the fourth side It can be an aisle (for example, an aisle between two rows of containers or display cabinets). The lighting fixture can not only make the illuminated object have a better lighting effect, but also can illuminate the user's walking aisle, so that the user's experience is better. Moreover, the light emitted by the lighting fixture can extend along the length of the lighting fixture, so that it can illuminate a larger area of the illuminated object without setting more lighting fixtures, which is not only conducive to cost control, but also does not affect the use of the environment. Appearance performance.

The above embodiments of the present invention focus on the differences between the various embodiments. As long as the different optimization features between the various embodiments are not contradictory, they can be combined to form a more optimal embodiment. Considering the conciseness of the text, here is No longer.

The foregoing descriptions are merely embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

A lighting fixture, comprising a housing (100), a light source assembly (200), a first lens (300) and a second lens (400), the housing (100) has a first cavity (110), The light source assembly (200) is arranged in the first chamber (110), and the light source assembly (200) includes a light emitting part (210);

When the lighting fixture is in the first state, the first lens (300) is disposed in the first cavity (110), and the second lens (400) is connected to the housing (100). Separately, the first lens (300) is arranged opposite to the light-emitting part (210), and the side of the first lens (300) facing the light-emitting part (210) is provided with a first polarizing structure, the The light emitted by the light emitting part (210) can be refracted to the first side through the first polarizing structure;

When the lighting fixture is in the second state, the second lens (400) is disposed in the first cavity (110), and the first lens (300) is connected to the housing (100). Separately, the second lens (400) is arranged opposite to the light-emitting portion (210), and the side of the second lens (400) facing the light-emitting portion (210) is provided with a second polarizing structure, the The light emitted by the light emitting part (210) can be refracted to the second side and the third side through the second polarizing structure.
The lighting fixture according to claim 1, wherein the first lens (300) is provided with a shielding part (310) on the side facing the light-emitting part (210), and the shielding part (310) protects the first lens (300) from the light-emitting part (210). The side of a lens (300) facing the light-emitting part (210) is divided into a first sub-surface (320) and a second sub-surface (330). The shielding part (310) and the first sub-surface (320) ) Constitutes the first polarization structure, and the light-emitting portion (210) is disposed opposite to the first sub-surface (320).
The lighting fixture according to claim 2, wherein the first sub-surface (320) comprises a plurality of first stepped surfaces (340), in a direction toward the outer edge of the first sub-surface (320), The height of the first step surface (340) gradually decreases.
The lighting fixture according to claim 2, wherein the shielding portion (310) is provided with a reflective slope (311) in a direction away from the first sub-surface (320), and the reflective slope (311) is opposite to the direction The included angle between the directions of the outer edges of the first sub-surface (320) is less than 90°.
The lighting fixture according to claim 1, wherein the side of the second lens (400) facing the light-emitting portion (210) comprises a convex surface (410), and the convex surface (410) is connected to the light-emitting portion (210). ) Are arranged oppositely, and the convex surface (410) is the second polarizing structure.
The lighting fixture according to claim 5, wherein the convex surface (410) comprises a plurality of second stepped surfaces, in a direction in which the central area of the convex surface (410) faces the edge area of the convex surface (410), The height of the second step surface gradually decreases.
The lighting fixture according to claim 5, wherein the convex surface (410) is a smooth curved surface protruding toward the light-emitting portion (210).
The lighting fixture according to claim 1, wherein a receiving groove (111) is provided in the first chamber (110), the light source assembly (200) is provided in the receiving groove (111), and the first chamber (110) is A lens (300) or the second lens (400) is arranged in the notch of the receiving groove (111).
The lighting fixture according to claim 8, wherein the inner wall of the receiving groove (111) is provided with a first connecting portion (112), the first lens (300) is provided with a second connecting portion (350), and The second lens (400) is provided with a third connecting portion (420), and both the second connecting portion (350) and the third connecting portion (420) can be clamped to the first connecting portion (112) Cooperate.
The lighting fixture according to claim 1, wherein the lighting fixture further comprises a power supply (500), and the housing (100) is provided with a substrate (120) integrally formed therewith, and the substrate (120) is The inside of the housing (100) is divided into the first chamber (110) and the second chamber (130), the power source (500) is arranged in the second chamber (130), and the The power source (500) is electrically connected to the light source assembly (200).
The lighting fixture according to claim 9, wherein the lighting fixture further comprises an anti-glare reflector (600), the anti-glare reflector (600) is arranged at the light outlet of the housing (100), and the The light emitting part (210) is arranged opposite to the anti-glare reflector (600).
The lighting fixture according to claim 1, wherein the light emitted by the light-emitting part (210) can be irradiated to a fourth side, and the fourth side is opposite to the light-emitting part (210), and the light is along the The length of the lighting fixture extends.