Light intensity self-adaptive clean lamp

Abstract

The application discloses a light intensity self-adaptive clean lamp, which comprises a light homogenizing plate, a light guide plate, an LED lamp strip, a light reflection plate, a fixing plate, a frame, a photosensitive element and a control module; the outer side of the frame is provided with the photosensitive element, and the photosensitive element is used for monitoring external light intensity; the control module is electrically connected with an external power supply, the LED lamp strip and the photosensitive element; and the control module self-adaptively adjusts the light emitting power of the LED lamp strip according to the light intensity monitored by the photosensitive element. The lamp monitors the light intensity around the lamp through the photosensitive element, and automatically adjusts the light emitting power of the LED lamp strip according to the strength of the external light intensity, so that more comfortable lighting experience is provided for users.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of lamps, in particular to a light intensity self-adaptive clean lamp. BACKGROUND

[0002] The traditional clean lamp cannot automatically control the light intensity, when the natural light intensity is enough in the daytime, the lamp still outputs with full power, which causes energy waste on the one hand, and the too strong illumination will bring discomfort to the user on the other hand. In addition, the homogenizing plate in the existing lamp is a transparent rectangular plate, which cannot change the direction of the parallel light emitted from the middle of the LED lamp bead, causing light energy waste and poor light homogenizing effect. Therefore, how to simultaneously realize the self-adaptive illumination of the lamp and improve the light energy utilization rate and the light homogenizing effect is a difficulty at present. SUMMARY

[0003] In view of the above technical problems, the present application provides a light intensity self-adaptive clean lamp, comprising: a homogenizing plate, a light guide plate, an LED lamp strip, a light reflecting plate, a fixed plate, a frame, a photosensitive element and a control module.

[0004] The homogenizing plate, the light guide plate, the light reflecting plate and the fixed plate are all rectangular plates; the homogenizing plate, the light guide plate, the light reflecting plate and the fixed plate are arranged in parallel from top to bottom; the long sides of the light guide plate are provided with LED lamp strips on both sides; the periphery of the homogenizing plate, the light guide plate, the LED lamp strip, the light reflecting plate and the fixed plate is provided with the frame; the outward side of the fixed plate is provided with the control module; the outer side of the frame is provided with the photosensitive element, which is used for monitoring the external light intensity.

[0005] The control module is electrically connected with an external power supply, the LED lamp strip and the photosensitive element; the control module adaptively adjusts the light emitting power of the LED lamp strip according to the light intensity monitored by the photosensitive element.

[0006] Optionally, the light guide plate comprises a light guide upper plate, a light guide lower plate and a light scattering column; the light guide upper plate and the light guide lower plate can be spliced into a rectangular plate; the light scattering column is arranged in an array between the light guide upper plate and the light guide lower plate; the light guide upper plate, the light guide lower plate and the light scattering column are all of transparent material; the light scattering column is a non-flat column body with flat ends and a concave middle part, the concave direction of which is towards one side of the light guide lower plate; the lower side of the light guide upper plate is provided with a first array groove matching the upper half of the light scattering column, and the upper side of the light guide lower plate is provided with a second array groove matching the lower half of the light scattering column, the recess formed by assembling the first array groove and the second array groove is in clearance fit with the light scattering column.

[0007] Optionally, the light guide plate is provided with arrayed arc-shaped grooves on both sides of the LED lamp strip, the curved surface of the arc-shaped grooves matches the outer surface of the LED lamp beads in the LED lamp strip, the positions of the arc-shaped grooves correspond to the positions of the LED lamp beads in the LED lamp strip, and the light entrance surface of the light dispersing column is located in the middle of the arc-shaped grooves.

[0008] Optionally, the light guide upper plate is arranged on the side close to the light reflection plate, the light guide lower plate is arranged on the side close to the light homogenizing plate, the outer side of the light guide upper plate is provided with arrayed four-pyramid-shaped grooves, and the outer side of the light guide lower plate is provided with arrayed transparent hemispherical protrusions.

[0009] Optionally, the vertical projection positions of the four-pyramid-shaped grooves, the hemispherical protrusions and the light dispersing column correspond to each other, or the vertical projection positions of the four-pyramid-shaped grooves, the hemispherical protrusions and the light dispersing column are staggered and do not overlap with each other.

[0010] Optionally, the straight parts at both ends of the light dispersing column are respectively provided with a first ring-shaped groove, a second ring-shaped groove and a third ring-shaped groove, and the concave part in the middle of the light dispersing column is provided with arrayed ring-shaped grooves.

[0011] Optionally, the size of the first ring-shaped groove is smaller than the size of the second ring-shaped groove, the size of the second ring-shaped groove is smaller than the size of the third ring-shaped groove, and the interval between the first ring-shaped groove and the second ring-shaped groove is smaller than the interval between the second ring-shaped groove and the third ring-shaped groove.

[0012] Optionally, the frame includes long side frames on both sides and short side frames at both ends, the long side frames are respectively provided with a first groove, a second groove, a third groove, a fourth groove and a fifth groove matched in size with the light homogenizing plate, the light guide plate, the LED lamp strip, the light reflection plate and the fixing plate, end faces on both sides of the long side frames and corresponding positions of the short side frames are provided with bolt connection holes, and the long side frames and the short side frames are fixed by bolts.

[0013] Compared with the prior art, the application has the following technical effects:

[0014] 1. The lamp detects the light intensity around the lamp through the photosensitive element, and automatically adjusts the light emitting power of the LED lamp strip according to the strength of the external light intensity, so as to provide more comfortable lighting experience for the user.

[0015] 2、The arc-shaped groove in the light guide plate can improve the coupling efficiency of the LED lamp strip, the array-distributed four-prism-shaped grooves and the hemispherical protrusions are used for changing the direction of linear light and increasing the scattering effect of light; the light dispersion column is used for changing the direction of the central parallel light, so that the central light is gradually scattered out, thereby improving the uniform light effect; the light guide plate can improve the light energy utilization rate and disperse the light emitted by the LED lamp strip, so that the illumination of the entire lamp is more uniform. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 An explosion structure schematic diagram of a light intensity adaptive clean lamp provided by an embodiment of the present application is provided.

[0017] Figure 2 An assembly structure schematic diagram of a light intensity adaptive clean lamp provided by an embodiment of the present application is provided.

[0018] Figure 3 A cross-sectional structure schematic diagram of a light intensity adaptive clean lamp provided by an embodiment of the present application is provided.

[0019] Figure 4 A schematic diagram of LED lamp strips before and after assembly in a light intensity adaptive clean lamp provided by an embodiment of the present application is provided.

[0020] Figure 5 A structure schematic diagram of a light guide upper plate and a light guide lower plate in a light intensity adaptive clean lamp provided by an embodiment of the present application is provided.

[0021] Figure 6 A structure schematic diagram of a light guide plate and a light dispersion column in a light intensity adaptive clean lamp provided by an embodiment of the present application is provided.

[0022] Figure 7 A cross-sectional structure schematic diagram of a light guide plate and a light dispersion column after assembly in a light intensity adaptive clean lamp provided by an embodiment of the present application is provided.

[0023] Figure 8 A working principle schematic diagram of a light dispersion column in a light intensity adaptive clean lamp provided by an embodiment of the present application is provided.

[0024] Figure 9 A structure schematic diagram of a long frame in a light intensity adaptive clean lamp provided by an embodiment of the present application is provided.

[0025] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0026] It should be understood that the specific embodiments described herein are merely intended to explain the present application and are not intended to limit the present application.

[0027] As Figures 1-9As shown, an embodiment of the present application provides a light intensity adaptive clean lamp, comprising: a light uniformity plate 1, a light guide plate 2, an LED lamp strip 3, a light reflection plate 4, a fixing plate 5, a frame 6, a light sensing element 7 and a control module 8;

[0028] The light uniformity plate 1, the light guide plate 2, the light reflection plate 4 and the fixing plate 5 are all rectangular plates; the light uniformity plate 1, the light guide plate 2, the light reflection plate 4 and the fixing plate 5 are sequentially arranged in parallel from top to bottom; the long sides of the light guide plate 2 are both provided with the LED lamp strip 3; the periphery of the light uniformity plate 1, the light guide plate 2, the LED lamp strip 3, the light reflection plate 4 and the fixing plate 5 is provided with the frame 6; the outward side of the fixing plate 5 is provided with the control module 8; the outer side of the frame 6 is provided with the light sensing element 7, which is used for monitoring the external light intensity;

[0029] The control module 8 is electrically connected with an external power supply, the LED lamp strip 3 and the light sensing element 7; the control module 8 adaptively adjusts the light emitting power of the LED lamp strip 3 according to the light intensity monitored by the light sensing element 7.

[0030] Optionally, the control module 8 internally integrates a wireless transceiver module, and an external terminal (mobile phone, remote control, etc.) can directly control the switch and light emitting power of the lamp through the wireless transceiver module.

[0031] Optionally, the light guide plate 2 comprises a light guide upper plate 21, a light guide lower plate 22 and a light dispersion column 9; the light guide upper plate 21 and the light guide lower plate 22 can be spliced into a rectangular plate (light guide plate 2); the light dispersion column 9 is multiple and arranged in an array between the light guide upper plate 21 and the light guide lower plate 22; the light guide upper plate 21, the light guide lower plate 22 and the light dispersion column 9 are all transparent materials; the light dispersion column 9 is a non-flat column with flat ends and a concave middle part, and the concave direction is towards one side of the light guide lower plate 22; the lower side of the light guide upper plate 21 is provided with a first array groove matching the upper half of the light dispersion column 9, and the upper side of the light guide lower plate 22 is provided with a second array groove matching the lower half of the light dispersion column 9, and the recess formed by assembling the first array groove and the second array groove is in clearance fit with the light dispersion column 9.

[0032] Optionally, the light guide plate 2 is provided with arrayed arc-shaped grooves 23 on the two sides towards the LED lamp strip 3, the curved surface of the arc-shaped groove 23 matches the outer surface of the LED lamp bead in the LED lamp strip 3; the position of the arc-shaped groove 23 corresponds to the position of the LED lamp bead in the LED lamp strip 3; the light entrance surface of the light dispersion column 9 is located in the middle of the arc-shaped groove 23.

[0033] Optionally, a transparent material (such as a high refractive index matching liquid, etc.) is arranged between the arc-shaped groove 23 and the LED lamp bead.

[0034] Optionally, the light guide upper plate 21 is arranged near one side of the light reflection plate 4, and the light guide lower plate 22 is arranged near one side of the light homogenizing plate 1; the outward face of the light guide upper plate 21 is provided with an array of four-pyramid-shaped grooves 211; the outward face of the light guide lower plate 22 is provided with an array of transparent hemispherical protrusions 221.

[0035] Optionally, the vertical projection positions of the four-pyramid-shaped grooves 211, the hemispherical protrusions 221 and the light dispersion columns 9 correspond to each other, or the vertical projection positions of the four-pyramid-shaped grooves 211, the hemispherical protrusions 221 and the light dispersion columns 9 are arranged staggeredly and do not overlap with each other.

[0036] Optionally, the refractive index of the hemispherical protrusions 221 is greater than the refractive index of the light guide plate 2.

[0037] Optionally, the refractive index of the light guide lower plate 22 is greater than the refractive index of the light guide upper plate 21.

[0038] Optionally, the straight portions at both ends of the light dispersion columns 9 are respectively provided with a first annular groove 91, a second annular groove 92 and a third annular groove 93, and the concave portion in the middle of the light dispersion columns 9 is provided with an array of annular grooves 94.

[0039] Optionally, the size of the first annular groove 91 is smaller than the size of the second annular groove 92, and the size of the second annular groove 92 is smaller than the size of the third annular groove 93; the spacing between the first annular groove 91 and the second annular groove 92 is smaller than the spacing between the second annular groove 92 and the third annular groove 93.

[0040] Optionally, the frame 6 includes long side frames 61 at both sides and short side frames 62 at both ends; the long side frames 61 are respectively provided with a first recess 611, a second recess 612, a third recess 613, a fourth recess 614 and a fifth recess 615 matching the sizes of the light homogenizing plate 1, the light guide plate 2, the LED lamp strip 3, the light reflection plate 4 and the fixing plate 5; the end faces of the long side frames 61 at both sides and the corresponding positions of the short side frames 62 are provided with bolt connection holes 616, and the long side frames 61 and the short side frames 62 are fixed by bolts.

[0041] Optionally, the light reflection plate 4 is provided with a light reflection surface facing the light guide plate 2, and the light reflection surface is a mirror reflection silver.

[0042] Optionally, wire grooves (not shown) are formed in the long side frames 61 and the short side frames 62 to realize the connection of the LED lamp strip 3, the photosensitive element 7 and the control module 8.

[0043] Optionally, the light guide plate 2 is a transparent acrylic plate, a glass plate or the like.

[0044] The assembly process of the clean lamp is: assembling the light guide plate 2 → assembling the LED lamp strip 3 and the light guide plate 2 → assembling each component to the long side frame 61 on both sides → assembling the short side frame 62 → fixing the control module 8 → wiring.

[0045] The function of the light guide plate 2: through the setting of the arc-shaped groove 23, the light efficiency of the LED lamp strip coupled into the light guide plate 2 is improved; the array distributed four-prism-shaped grooves 211 and the hemispherical protrusions 221 are used to change the direction of linear light and increase the scattering effect of light; the light dispersion column 9 is used to change the direction of the central parallel light and prevent the light energy loss caused by the light of the two side LED lamp strips; the setting mode of the first ring-shaped groove 91, the second ring-shaped groove 92, the third ring-shaped groove 93 and the array ring-shaped groove 94 in the light dispersion column 9 makes the central light gradually disperse and improves the light uniformity. The light guide plate can disperse the light emitted by the LED lamp strip while improving the light energy utilization rate, so that the illumination of the entire lamp is more uniform.

[0046] When the light intensity self-adaptive clean lamp works, the lamp monitors the light intensity around the lamp through the photosensitive element 7, and automatically adjusts the light emitting power of the LED lamp strip 3 according to the strength of the external light intensity, so as to provide users with a more comfortable lighting experience.

[0047] Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A light intensity adaptive clean luminaire, comprising: The light uniformity plate, the light guide plate, the LED lamp strip, the light reflection plate, the fixing plate, the frame, the light sensing element and the control module are provided. The light uniformity plate, the light guide plate, the light reflection plate and the fixing plate are rectangular plates, and are arranged in parallel from top to bottom. The control module is electrically connected with the external power supply, the LED lamp strip and the light sensing element. The light guide plate comprises a light guide upper plate, a light guide lower plate and a light scattering column. The light guide upper plate and the light guide lower plate can be spliced into a rectangular plate.

2. The clean luminaire of claim 1, wherein, The light scattering column is a non-flat column with flat ends and a concave middle part. The first annular groove, the second annular groove and the third annular groove are arranged on the flat ends of the light scattering column.

3. The clean luminaire of claim 2, wherein, The light guide plate is provided with arrayed arc-shaped grooves on the two sides facing the LED lamp strip. The light guide upper plate is arranged on the side close to the light reflection plate.

4. The clean luminaire of claim 3, wherein, The light guide lower plate is arranged on the side close to the light uniformity plate. The four-pyramid-shaped grooves, the hemispherical protrusions and the vertical projection positions of the light scattering column correspond to each other.

5. The clean luminaire of claim 1, wherein, The first annular groove is smaller than the second annular groove, and the second annular groove is smaller than the third annular groove. The interval between the first annular groove and the second annular groove is smaller than the interval between the second annular groove and the third annular groove.

6. The clean luminaire of claim 1, wherein, ​ The frame includes long side frames on both sides and short side frames at both ends; the long side frames are respectively provided with first, second, third, fourth and fifth recesses matching the sizes of the light homogenizing plate, the light guide plate, the LED lamp strip, the light reflecting plate and the fixing plate; the end faces of the long side frames on both sides and the corresponding positions of the short side frames are provided with bolt connection holes, and the long side frames and the short side frames are fixed by bolts.

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