Patent Application
20250155106
The present invention belongs to the technical field of lights, and particularly relates to a cabinet light.
Cabinets are essential kitchen furniture for modern families. Generally, it is necessary to provide more storage space in the kitchen. Therefore, the cabinets must be closely arranged in the kitchen and have a certain depth and height. When users want to take things from a kitchen cabinet, sometimes it is too dark to figure out simply just relying on the lighting from outside of the cabinet. Thus, it is necessary to install a separate cabinet light inside the cabinet. Yet, users face many obstacles and troubles when they install cabinet lights inside the cabinet.
At present, the layout of cabinet lights on the emitting surface are usually designed as an edge type. The edge type surface illuminating cabinet lights has an advantage that it can be manufactured in a thin shape with a generally uniform illuminance, so as to be installed in any limited space like inside the cabinet. However, The edge type surface illuminating cabinet lights requires other related parts including a light guide plate for guiding emitted light to the emitting surface, moreover, the light conversion efficiency of the edge type surface illuminating cabinet lights is low and the illuminance at the edge is relatively higher than the center of the emitting surface. As a result, it fails to meet users' needs to bright the inner environment of the cabinet.
In order to overcome the defects of the existing technology, the present invention provides a cabinet light, which has improved illumination uniformity and light conversion efficiency to meet users' needs.
The technical scheme adopted by the invention for solving the technical problems is as follows:
A cabinet light includes a cover, a luminous unit arranged inside the cover and a lamp shade connected to the cover. The lamp shade is configured as an L-shape structure. The luminous portion of the luminous unit is arranged toward the inner side of the lamp shade. A diffusion plate and a reflection plate are arranged between the lamp shade and the luminous unit.
Further, the diffusion plate is obliquely arranged on the upper side of the luminous unit, and the reflection plate is obliquely arranged on the lower side of the luminous unit. One end of the diffusion plate away from the luminous unit is overlapped on the reflection plate. The diffusion plate and the reflection plate enclose to form a light refraction region.
Further, the outer surface of the lamp shade has a plurality of convex prismatic crystal.
Further, the cover includes a first bottom wall, and a first side wall and a second side wall extending upward from two sides of the first bottom wall. The first bottom wall and the first side wall and the second side wall enclose to form a first placement cavity. The reflection plate and the diffusion plate are arranged in the first placement cavity.
Further, a first card slot is arranged on the first bottom wall, a second card slot is arranged on the first side wall. Two ends of the reflection plate are respectively inserted into the first card slot and the second card slot. A step is arranged on a top side of the second side wall. One end of the diffusion plate is overlapped on the end of the reflection plate close to one end of the second card slot, and other end of the diffusion plate is overlapped on the step.
Further, a third card slot is arranged on a side of the first side wall away from the second card slot, a fourth card slot is arranged on the top side of the second side wall. A first block and a second block are respectively arranged at two ends of the L-shape lamp shade. The first block is inserted into the third card slot, and the second block is inserted into the fourth card slot.
Further, the cover also includes a top wall and a third side wall. The third side wall is arranged parallel to the second side wall. One side of the top wall is connected to the top side of the third side wall, and other side of the top wall is connected to the top side of the second side wall. The top wall, the second side wall and the third side wall enclose to form a second placement cavity which is provided with a circuit board and a power supply unit. The power supply unit is electrically connected to the circuit board, and the circuit board is electrically connected to the luminous unit.
Further, a switch and a pulse width modulation rotary switch are arranged on the circuit board. The switch and the pulse width modulation rotary switch extend to the outside of the cover respectively.
Further, the interior of the cover is provided with a passive infrared sensor control board which is electrically connected to the luminous unit. The top side of the passive infrared sensor control board is provided with a passive infrared sensor which extends to the outside of the cover. The passive infrared sensor control board is electrically connected to the circuit board.
Further, plugs are arranged at two ends of the cover. The plugs are provided with wire connecting terminals.
The beneficial effects of the present invention:
The present invention provides a cabinet light, which can effectively conduct light through an L-shape lamp shade, maximize the luminous effect of light, and make the two surfaces of the L-shape lamp shade emit light evenly; and the prismatic effect on the surface of the lamp shade can effectively prevent the product from causing harm to human eyes, and can also increase the luminous area of the product, so that the lighting angle is larger, so as to meet the users' needs.
85—wire connecting terminal; 86—second buckle; 87—limit protrusion; 88—cover plate.
Below is a further detailed description of the present invention based on the figures.
The present embodiment only shows an explanation of the present invention and it is not a limitation to the present invention. The skilled in the art can make modifications to this embodiment as needed without making any creative contributions after reading this specification, which are always protected by the patent law as long as they are within the scope of the claims of the present invention.
It should be noted that when an element is called as being “fixed to” or “arranged on” another element, it can be directly on the other element or indirectly on the other element. When an element is called as being “connected to” another element, it can be directly connected to the other element or indirectly connected to the other element.
It should be noticed that the terms “length”, “width”, “above”, “below”, “front”, “rear”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside” and “outside” which indicates the orientations or positional relationships are based on the orientations or positional relationships shown in the figures. They are only for facilitating describing the present invention and simplifying the description, rather than indicating or implying that the device or component must have a specific orientation, construct and operate in a specific orientation, therefore, it understood as a limitation of the present invention.
In addition, the terms “first” and “second” are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, a feature defined as “first” and “second” may explicitly or implicitly include one or more of these features. In the description of the present invention, “a plurality of” means two or more, unless otherwise specifically defined.
The present invention provides a cabinet light having improved illumination uniformity and light conversion efficiency through an L-shape lamp shade. Besides, by setting prismatic crystals on the surface of the lamp shade to make the light effect soft and even to protect users' eyes.
Referring to
Among them, the diffusion plate 5 is obliquely arranged on the upper side of the luminous unit 3, and the reflection plate 6 is obliquely arranged on the lower side of the luminous unit 3. One end of the diffusion plate 5 away from the luminous unit 3 is overlapped on the reflection plate 6. The diffusion plate 5 and the reflection plate 6 enclose to form a light refraction region 7.
By providing the reflection plate 6, the light emitted from the luminous unit 3 to the lower side can be reflected onto the diffusion plate 5. The diffusion plate 5 can collect the light emitted from the luminous unit 3 to the upper side and the light reflected by the reflection plate 6, and diffuse the light to the lamp shade 4, so that the light is evenly distributed on the surface of the lamp shade 4. Finally, the light is conducted to the external environment through the lamp shade 4, so as to fully utilize the light emitted by the luminous unit 3. In addition, the reflection plate 6 can also play a role of heat insulation and protection, reducing the heat impact of the light on the surrounding environment.
The L-shape lamp shade 4 has two luminous surfaces. Combined with the reflection plate 6 and the diffusion plate 5, the two luminous surfaces of the L-shape lamp shade 4 can emit light evenly. At the same time, the L-shape lamp shade 4 can also better increase the texture and beauty of the cabinet light.
Preferably, the outer surface of the lamp shade 4 has a plurality of convex prismatic crystal 41. It should be noted that the prismatic crystal 41 can be integrally formed with the lamp shade 4, or the prismatic crystal 41 can be arranged on the outer surface of the lamp shade 4 through an additional connection process.
The prismatic crystal 41 located on the outer surface of the lamp shade 4 has a prismatic effect, which can effectively prevent the light from causing harm to human eyes, and can also increase the luminous area, so that the lighting angle of the cabinet light provided in this embodiment is larger, providing users with better lighting effects.
Preferably, the cover 1 includes a first bottom wall 11, and a first side wall 12 and a second side wall 13 extending upward from two sides of the first bottom wall 11. The first bottom wall 11, the first side wall 12, and the second side wall 13 enclose to form a first placement cavity 17. A first card slot 111 is arranged on the first bottom wall 11, and a second card slot 121 is arranged on the first side wall 12. The two ends of the reflection plate 6 are respectively inserted into the first card slot 111 and the second card slot 121. The top side of the second side wall 13 is provided with a step 131. One end of the diffusion plate 5 is overlapped on the end of the reflection plate 6 near one end of the second card slot 121, and other end of the diffusion plate 5 is overlapped on the step 131.
A third card slot 122 is arranged on the side of the first side wall 12 away from the second card slot 121, a fourth card slot 132 is arranged on the top side of the second side wall 13. A first block 42 and a second block 43 are respectively arranged at two ends of the L-shape lamp shade 4. The first block 42 is inserted into the third card slot 122, and the second block 43 is inserted into the fourth card slot 132.
The second side wall 13 is provided with a placement groove, which is provided with the luminous unit.
Preferably, the cover 1 also includes a top wall 14 and a third side wall 15. The third side wall 15 is arranged in parallel with the second side wall 13. One side of the top wall 14 is connected to the top side of the third side wall 15, and other side of the top wall 14 is connected to the top side of the second side wall 13. The top wall 14, the second side wall 13 and the third side wall 15 enclose to form a second placement cavity 18. A circuit board 2 and a power supply unit 21 are arranged in the second placement cavity 18. The power supply unit 21 is electrically connected to the circuit board 2 which is electrically connected to the luminous unit 3. The power supply unit 21 provide an operation voltage for the circuit board 2 which controls the opening and closing of the luminous unit 3.
The cover 1 also includes a second bottom wall 16 which is used to close and open the second placement cavity 18, so as to facilitate users to repair and replace the circuit board 2 and the power supply unit 21.
Preferably, a switch 22 and a pulse width modulation rotary switch 23 are arranged on the circuit board 2. The switch 22 and the pulse width modulation rotary switch 23 are respectively extended to the outside of the cover 1 to facilitate users' operation.
In this embodiment, the circuit board 2 is installed to improve the extra power consumption caused by the unbalanced load in the lighting circuit, improve the power factor, reduce the operation temperature of the cabinet light and the circuit, and achieve the purpose of optimizing the power supply, thereby extending the service life of the luminous unit 3. The switch 22 controls the opening and closing of the luminous unit 3, and the pulse width modulation rotary switch 23 adjust the light and the color of the luminous unit 3, which can meet the different usage needs of different customers.
Further, a second switch 24 is arranged on the cover 1, and the second switch 24 is electrically connected to the luminous unit 3 which includes a plurality of LED lamp beads. In some environments where the lighting effect is not required to be high, some LED lamp beads can be turned off by the second switch 24 to reduce energy consumption.
Preferably, plugs 8 are arranged at two ends of the cover 1, and the plugs 8 are used to seal the two ends of the cover 1.
First buckles 81 are arranged on two sides of the plugs 8. Buckle holes 152 are arranged on the third side wall 15 of the cover 1. The first buckles 81 are matched with the buckle holes 152 to achieve a preliminary connection of the plug 8 and the cover 1.
Further, a first placement hole 82 is arranged at the bottom of the plug 8, and a second placement hole 162 is arranged at the second bottom wall 16. The first placement hole 82 and the second placement hole 162 are connected by screws 83 to achieve secondary fixation of the plug 8 and the cover 1.
Preferably, the plug 8 is provided with a wire connecting terminal 85 which is used to connect the power supply unit 21 with an external power supply device.
Second buckles 86 are arranged at two sides of the wire connecting terminal 85. A terminal fixing plate 84 is arranged on the plug 8, and a limit protrusion 87 is arranged on the side wall of the terminal fixing plate 84. The second buckles 86 cooperate with the limit protrusion 87 to fix the wire connecting terminal 85 on the terminal fixing plate 84.
Further, the terminal fixing plate 84 is provided with a cover plate 88 which is used to cover or open the wire connecting terminal 85.
Preferably, the third side wall 15 of the cover 1 is provided with an outgoing wire line support 151 which allows external cables to pass through and enter the cover 1 to supply power to the luminous unit 3 inside the cover 1.
Preferably, the cover 1 is also provided with a passive infrared sensor control board 25 which is electrically connected to the luminous unit 3. The top side of the passive infrared sensor control board 25 is provided with a passive infrared sensor 251 which extends to the outside of the cover 1. The passive infrared sensor control board 25 is electrically connected to the circuit board.
Understandably, the infrared radiation of the surrounding environment can be detected by the passive infrared sensor 251. When the human body or other objects with higher temperatures move, infrared radiation will be generated and will be detected by the passive infrared sensor 251. When the passive infrared sensor 251 detects infrared radiation, the passive infrared sensor control board 25 detects the signal sent by the passive infrared sensor 251, and the passive infrared sensor 25 triggers the circuit board 2, thereby automatically controlling the luminous unit 3. The passive infrared sensor 251 is very sensitive and can detect slight changes in human movement. The sensitivity can also be adjusted by adjusting parameters to adapt to different environments. At the same time, by setting the passive infrared sensor 251 as a slope, the range accepted by the passive infrared sensor 251 can be increased, so that the sensing angle distance can be increased.
It could be understood that under the guidance of the above embodiments, those skilled in the filed can combine various implementation methods in the above embodiments to obtain technical solutions of multiple implementation methods.
The above description is only a preferred embodiment of the present invention and is not to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
