CN111486387A - Double-side light emitting lamp - Google Patents

Abstract

The invention discloses a double-sided light-emitting lamp which comprises a light source and a light splitting assembly, wherein the light splitting assembly comprises a light guide plate, a first diffusion element and a second diffusion element, the light source is positioned on the side part of the light guide plate, the first diffusion element and the second diffusion element have different light transmittance, and the first diffusion element and the second diffusion element are respectively arranged on two opposite surfaces of the light guide plate. The double-sided light-emitting lamp adopts a side light-emitting mode, light emitted by the light source can be emitted from different surfaces of the light guide plate through the light homogenizing action of the light guide plate, the irradiation angle and the light quantity of the light are redistributed under the refraction and reflection actions of the first diffusion element and the second diffusion element with different light transmittance on the light, the energy loss of the light source is avoided, the light emitted by the lamp is more uniform, the light angle is softer, the light cannot be directly emitted to human eyes, the glare of the lamp is reduced, a prism plate is not needed, and the processing cost is low.

Description

Double-sided light-emitting lamps

technical field

The invention relates to the technical field of lighting, in particular to a double-sided light-emitting lamp.

Background technique

With the development of science and technology and the continuous improvement of people's living standards, consumers have higher and higher requirements for lighting, environmental decoration, comfort and health index of lamps and lanterns. And the high optical density, the light source is directly directed to the human eye, which will cause disability glare, cause people's visual discomfort, and reduce the visibility of objects.

When traditional lamps are illuminated, most of them are shielded or combined with a prism plate and a glare film to reduce glare. Direct shielding reduces the luminous flux of the lamps, resulting in energy loss, and the ability to shield is limited, which can only reduce direct light sources from some angles. The problem is that the cost of the prism plate and the glare film is relatively high, which is not conducive to the mass production and use of lamps.

SUMMARY OF THE INVENTION

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the present invention provides a double-sided light-emitting lamp, which can reduce the glare and energy loss of the lamp, and reduce the production cost of the lamp.

An embodiment of the present invention provides a double-sided light-emitting lamp, including:

Light source and spectroscopic components;

The light splitting component includes a light guide plate, a first diffusing element and a second diffusing element, the light source is located on the side of the light guide plate, the first diffusing element and the second diffusing element have different light transmittances, The first diffusing element and the second diffusing element are respectively disposed on two opposite surfaces of the light guide plate.

The double-sided light-emitting lamp in the embodiment of the present invention has at least the following beneficial effects:

The double-sided light-emitting lamp in the embodiment of the present invention adopts a side-emitting method, and the light emitted by the light source can be emitted from different surfaces of the light guide plate through the uniform light effect of the light guide plate. Under the refraction and reflection of the light by the diffusing element, the irradiation angle and light quantity of the light are redistributed to avoid energy loss to the light source, and the light emitted by the lamp is more uniform, the light angle is softer, and will not directly hit the human eye, reducing the The glare of lamps and lanterns does not need to use prismatic plates, and the processing cost is low.

According to the double-sided light-emitting lamp according to other embodiments of the present invention, the light splitting component further includes a third diffusing element, and the third diffusing element is located between the second diffusing element and the light guide plate.

According to other embodiments of the present invention, the double-sided light-emitting lamp further includes a frame body, the frame body is arranged around the outer periphery of the light splitting component, and the edge of the light splitting component is inserted into the frame body.

According to the double-sided light-emitting lamps according to other embodiments of the present invention, the frame body includes a side frame and an end cover, and the end cover is inserted into the end of the side frame.

According to other embodiments of the present invention, the double-sided light-emitting lamp further includes a hoisting part and a suspending wire, two ends of the suspending wire are respectively connected to the hoisting part and the frame body, and the frame body is suspended below the hoisting part.

According to the double-sided light-emitting lamps according to other embodiments of the present invention, the hoisting part includes a box body and a mounting body, and a magnetic body for magnetic attraction with the mounting body is fixed on the box body.

According to the double-sided light-emitting lamps of other embodiments of the present invention, a plurality of the magnetic bodies are evenly distributed on the inner side of the box body along the outline of the box body.

According to the double-sided light-emitting lamps according to other embodiments of the present invention, the mounting body has a protruding portion, and the protruding portion extends into the box body and contacts the magnetic body, so that the edge of the mounting body is in contact with the magnetic body. The inside of the box body is attached.

According to other embodiments of the present invention, the double-sided light-emitting lamp further includes a power source, a cavity for accommodating the power source is provided in the box, and a wire is connected to the power source, and the wire penetrates the frame The body is electrically connected with the light source.

According to the double-sided light-emitting lamps according to other embodiments of the present invention, a wire crimping clip is provided in the box, and the wire crimping clip is used for clamping the wire.

Description of drawings

Fig. 1 is the exploded schematic diagram of the first embodiment of the double-sided light-emitting lamp;

FIG. 2 is a schematic cross-sectional view of the double-sided light-emitting lamp in FIG. 1;

3 is a schematic structural diagram of a second embodiment of a double-sided light-emitting lamp;

Fig. 4 is the structural representation of the box in Fig. 3;

FIG. 5 is an exploded schematic view of the hoisting part in FIG. 3 .

Detailed ways

The concept of the present invention and the technical effects produced will be clearly and completely described below with reference to the embodiments, so as to fully understand the purpose, characteristics and effects of the present invention. 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, other embodiments obtained by those skilled in the art without creative efforts are all within the scope of The scope of protection of the present invention.

In the description of the embodiments of the present invention, if the orientation description is involved, for example, the orientation or positional relationship indicated by "up", "down", "front", "rear", "left", "right", etc. is based on the accompanying drawings The orientation or positional relationship shown is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a reference to the present invention. limits.

In the description of the embodiments of the present invention, if a certain feature is referred to as "set", "fixed", "connected", "installed" on another feature, it can be directly set, fixed, or connected on another feature, It can also be indirectly disposed, fixed, connected, mounted on another feature. In the description of the embodiments of the present invention, if “several” is involved, it means more than one; if it involves “plurality”, it means more than two; ", should be understood as not including this number, if it involves "above", "below", "within", it should be understood as including this number. If it refers to "first" and "second", it should be understood as being used to distinguish technical features, but not as indicating or implying relative importance, or implicitly indicating the number of indicated technical features or implicitly indicating the indicated The sequence of technical features.

first embodiment

1 and 2 are schematic diagrams of the structure of the double-sided light-emitting lamp in the first embodiment. Referring to FIGS. 1 and 2 , the double-sided light-emitting lamp in this embodiment includes a light source 100 and a light splitting component 200, and the light source 100 is a lamp The light emitted by the light source 100 is conducted and distributed through the light-splitting component 200; specifically, the light-splitting component 200 includes a light guide plate 210, a first diffusing element 220 and a second diffusing element 230, and the light source 100 is located on the side of the light guide plate 210. The light emitted by the light source 100 enters the light guide plate 210, uniformly guides the light through the light guide plate 210, and exits from the upper and lower surfaces of the light guide plate 210. The light transmittances of the first diffusing element 220 and the second diffusing element 230 are different, so The light emitted by the light plate 210 passes through the first diffusing element 220 and the second diffusing element 230 respectively, and the light passes through the refraction and/or reflection of the first diffusing element 220 and the second diffusing element 230, and the irradiation angle is redistributed, and the light is diffused from the first diffusing element 220 and the second diffusing element 230. The surfaces of the element 220 and the second diffusing element 230 are emitted. Since the light transmittances of the first diffusing element 220 and the second diffusing element 230 are different, the irradiation angle and light quantity of the light emitted from the first diffusing element 220 and the second diffusing element 230 are different. Differently, the light source 100 is split and emitted from the upper and lower surfaces of the lamp.

The double-sided light-emitting lamp in this embodiment adopts a side-emitting method, and the light emitted by the light source 100 can be emitted from different surfaces of the light guide plate 210 through the uniform light effect of the light guide plate 210 , and the first diffusing element 220 having different light transmittances Under the action of refraction and reflection of the light with the second diffusing element 230, the irradiation angle and light quantity of the light are redistributed, so as to avoid energy loss to the light source 100, and the light emitted by the lamp is more uniform, the light angle is softer, and will not be directly irradiated. Human eyes, reducing the glare of lamps, no need to use prism plates, and low processing costs.

The light source 100 can use light-emitting elements such as LED light bars and LED light boards.

It should be noted that, in this embodiment, the first diffusing element 22 is disposed below the light guide plate 210, the second diffusing element 230 is disposed above the light guide plate 210, the light emitted from the first diffusing element 220 is used as the main illumination light, and the second diffusing element 230 is disposed above the light guide plate 210. The outgoing light of the second diffusing element 230 is used as the auxiliary illumination light. On the premise that the main illumination light is not wasted, the auxiliary illumination light sets off the main illumination light. Comfortable, soft and avoid glare caused by direct light.

In addition, the light splitting assembly 200 further includes a third diffusing element 240 , the third diffusing element 240 is located between the second diffusing element 230 and the light guide plate 210 , and the third diffusing element 240 can reflect the light emitted from the upper surface of the light guide plate 210 below the lamp. , to realize the adjustment of the light quantity of the light emitted from the top of the lamp and the light from the bottom of the lamp, without affecting the light effect, adjust the proportion of the main lighting light and the auxiliary lighting light of the lamp to achieve the purpose of adjusting the upper and lower luminous flux ratio of the lamp, and further reduce the UGR (glare index) makes the light of the lamp more comfortable and forms a good lighting atmosphere.

It should be noted that the light emitted from the light source 100 is directly split through the light guide plate 210. The light output ratio of the two sides of the light guide plate 210 is generally 4:6, and the amount of light above and below the lamp is basically the same. 220, the second diffusing element 230, and the third diffusing element 240, reflect part of the light emitted upward from the light guide plate 210 to irradiate downward, and redistribute the light emitted from the upper and lower sides of the light guide plate 210. 3:7, to achieve the effect of light and dark contrast, through the combination of main lighting and auxiliary lighting, without reducing the luminous flux, reduce glare, and optimize the lighting atmosphere.

Adhesives may be provided between the first diffusing element 220 and the light guide plate 210, between the light guide plate 210 and the second diffusing element 230, and between the second diffusing element 230 and the third diffusing element 240, so as to realize the connection between the two adjacent components. fixed to each other. In addition, a frosted film can be arranged between the light guide plate 210 and the first diffusing element 220 and between the light guide plate 210 and the second diffusing element 230 to fill the gap between the light guide plate 210 and the diffusing plate to prevent dust and water vapor from entering and hindering the Light exits.

The first diffusing element 220, the second diffusing element 230, and the third diffusing element 240 can be optical elements that can refract and reflect light, such as a diffusing plate, a diffusing film, etc. The types of the diffusing plate and the diffusing film can be based on actual use requirements Reasonable choice.

The double-sided light-emitting lamp in this embodiment further includes a frame body 300. The frame body 300 is surrounded by the outer periphery of the light splitting assembly 200. The edge of the light splitting assembly 200 can be inserted into the frame body 300, so that the light splitting assembly 200 is fixed on the frame body 300. The light splitting assembly 200 is connected with the frame body 300 as an integral part, so as to avoid the movement of the components in the light splitting assembly 200 and affect the light output.

Specifically, the frame body 300 in this embodiment includes a side frame 310 and an end cover 320 . There are two side frames 310 and two end covers 320 . The side frames 310 are respectively arranged on the left and right sides of the light splitting assembly 200 , and the end covers 320 are arranged separately. On the front and rear sides of the beam splitter assembly 200 , two end caps 320 can be inserted into the two ends of the side frame 310 respectively. After the end caps 320 and the side frame 310 are assembled, the frame body 300 is a rectangular frame, and is surrounded by the beam splitter assembly 200 . The outer periphery is used to fix and protect the spectroscopic assembly 200; the interior of the side frame 310 is hollow to form an installation space, the light source 100 is embedded in the side frame 310, and a mounting slot for installing the light source 100 can be arranged in the side frame 310, and the light source 100 is inserted into the side frame 100 sideways. In the installation groove, the groove wall of the installation groove constrains the light source 100 to ensure that the light emitted from the light source 100 can enter the light guide plate 210 .

The side of the end cover 320 protrudes from the plug-in block 3211, and the plug-in block 3211 can be inserted into the side frame 310 to complete the connection between the end cover 320 and the side frame 310 to form a complete frame body 300. On the one hand, it is convenient to install the light source 100, On the other hand, it is convenient to assemble the frame body 300; in addition, the end cover 320 includes a connecting body 321 and a cover body 322, the connecting body 321 is inserted into the end of the side frame 310, and the cover body 322 is provided with a connecting body 321 for clamping The buckle 3221 is convenient for the disassembly and assembly between the cover body 322 and the connecting body 321. On the premise that the end cover 320 and the side frame 310 are fully assembled, the installation of the light source 100 and other components in the side frame 310 can be observed by removing the cover body 322. situation, it is more convenient to use.

Second Embodiment

FIGS. 3 to 5 are schematic structural diagrams of the second embodiment of the double-sided light-emitting lamp. Referring to FIGS. 3 to 5 , the double-sided light-emitting lamp in this embodiment is different from the first embodiment in that the The double-sided light-emitting lamp further includes a hoisting part 400 and a suspending wire 500. The two ends of the suspending wire 500 are respectively connected to the hoisting part 400 and the frame body 300. The frame body 300 is suspended below the hoisting part 400 to realize the hoisting of the lamp and improve the use of the lamp. The hoisting part 400 can be installed in the installation position of the wall, the wall, the roof and the like.

In addition, it should be noted that the lamp can also be directly installed on the wall through the hanging wire 500, which can also realize the hoisting of the lamp and increase the irradiation range of the light of the lamp.

The hoisting part 400 includes a box body 410 and an installation body 420. The installation body 420 is used for fixed connection with the installation position to realize the fixed assembly of the lamp. The box body 410 is provided with a power supply 411, and the power supply 411 provides power support for the light source 100 to emit light. Specifically, the magnetic body 412 is fixed on the box body 410, the mounting body 420 is attracted by the magnetic force of the magnetic body 412 and is fixed on the box body 410, the magnetic body 412 can be a permanent magnet, and the mounting body 420 can be selected to be capable of magnetic attraction Fixed metal material; a plurality of magnetic bodies 412 are evenly distributed in the box body 410 to strengthen the stable connection between the box body 410 and the mounting body 420 . In this embodiment, the magnetic bodies 412 are on both sides of the box body 410 There are two magnetic bodies 412, the magnetic bodies 412 are symmetrical with respect to the center of the box body 410, so that the mounting body 420 is stably connected to the box body 410 by the uniform magnetic attraction force given by the box body 410, preventing the box body 410 from falling .

The mounting body 420 has a protruding portion 421 , and the protruding portion 421 can extend into the box body 410 and fit with the magnetic body 412 to achieve magnetic fixation. Fitting, to ensure the sealing between the mounting body 420 and the box body 410, and realize the lightness and thinness of the hoisting part 400; the mounting part 422 of the mounting body 420 is flat, which is easy to fit with the wall or the top surface to form a stable mounting surface, The mounting portion 422 is provided with a plurality of mounting holes, which are used for the fixed connection of the mounting body 420 to the wall and the top surface, such as inserting threaded fasteners into the mounting holes and locking; the protruding portion 421 is based on the mounting portion The plane where the 422 is located is bent downward and is in a concave shape. The protruding portion 421 corresponds to the position of the magnetic body 412, which is convenient for installation. The two magnetic bodies 412 are in contact to achieve a fixed connection.

When the lamp is installed, it is only necessary to fix the installation body 420 at the installation position, and magnetically fix the box body 410 and the installation body 420; The magnetic attraction force can be used to remove the box body 410, and then remove the installation body 420, and the operation is relatively convenient.

The box body 410 is provided with a cavity for accommodating the power supply 411, the box body 410 is accommodated in the cavity, the power supply 411 is connected with a lead 413, and the lead 413 passes through the box body 410 and penetrates into the side frame 310 and the light source. 100 is electrically connected to realize electrical conduction between the power source 411 and the light source 100 . In addition, in order to improve the stability of the connection between the wire 413 and the power source 411, a wire crimping clip 414 is provided in the box body 410, and the wire crimping clip 414 clamps the wire 413 to prevent the wire 413 from being displaced and affecting the wire 413 and the power source. The normal connection of 411; the side frame 310 is provided with a wiring slot 311, and the wire 413 entering the side frame 310 can pass through the wiring slot 311 to connect with the light source 100, so that the connection between the wire 413 and the light source 100 is more stable .

In this embodiment, two sets of suspension wires 500 are arranged above the frame body 300, and the two sets of suspension wires 500 are respectively arranged on both sides of the frame body 300, so that the frame body 300 can be kept balanced in space, and the illumination range of the lamps on the upper and lower sides thereof Keep it balanced to avoid inconsistent light exposure around the luminaire. In FIG. 3 , only one group of suspending wires 500 is connected to the hoisting part 400 as an example. In the actual installation process, the hoisting part 400 and the suspending wire 500 can be reasonably set.

The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments. Within the scope of knowledge possessed by those of ordinary skill in the technical field, various modifications can be made without departing from the purpose of the present invention. kind of change. Furthermore, the embodiments of the present invention and features in the embodiments may be combined with each other without conflict.

Claims (10)

1. A two-sided light emitting luminaire, comprising:

a light source and a light splitting component;

the light splitting assembly comprises a light guide plate, a first diffusion element and a second diffusion element, the light source is located on the side portion of the light guide plate, the first diffusion element and the second diffusion element have different light transmittance, and the first diffusion element and the second diffusion element are respectively arranged on two opposite surfaces of the light guide plate.

2. The double-sided light fixture of claim 1 wherein the light splitting assembly further comprises a third diffuser element, the third diffuser element being positioned between the second diffuser element and the light guide plate.

3. The double-sided light emitting lamp as claimed in claim 1 or 2, further comprising a frame body, wherein the frame body surrounds the periphery of the light splitting assembly, and the edge of the light splitting assembly is inserted into the frame body.

4. The double-sided light emitting lamp as claimed in claim 3, wherein the frame comprises a side frame and an end cap, and the end cap is inserted into an end of the side frame.

5. The double-sided light-emitting lamp as claimed in claim 3, further comprising a hoisting part and a suspension wire, wherein two ends of the suspension wire are respectively connected to the hoisting part and the frame, and the frame is suspended below the hoisting part.

6. The lamp of claim 5, wherein the lifting part comprises a box and a mounting body, and the box is fixed with a magnetic body magnetically attracted to the mounting body.

7. The double-sided light-emitting lamp as claimed in claim 6, wherein the plurality of magnetic bodies are uniformly distributed on the inner side of the box body along the contour of the box body.

8. The double-sided light-emitting lamp as claimed in claim 6, wherein the mounting body has a protrusion extending into the box body and contacting with the magnetic body, so that the edge of the mounting body is attached to the inner side of the box body.

9. The double-sided light-emitting lamp of claim 6, further comprising a power supply, wherein a cavity for accommodating the power supply is arranged in the box body, the power supply is connected with a wire, and the wire penetrates into the box body and is electrically connected with the light source.

10. The dual-sided light emitting lamp of claim 9, wherein a wire clip is provided in the case, the wire clip being configured to hold the wire.

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