LED lamp bead with high color rendering

Abstract

The utility model relates to the field of LED lamp beads, and discloses a high-color-rendering LED lamp bead which comprises a base and fixing buckles, a positive and negative electrode bonding pad is welded to the top end of the base, a set of fixing buckles are welded to the two sides of the top end of the positive and negative electrode bonding pad respectively, side feet are assembled in the fixing buckles in a clamped mode, the middle positions of the side feet are movably connected with a lamp bead base, and the lamp bead base is connected with a lamp bead. And a high color rendering mechanism is arranged in the lamp bead seat. According to the high-color-rendering LED lamp bead, the driving motor is arranged, when the driving motor drives the rotating shaft to rotate, the angle of the color rendering adjusting piece is driven to change, distribution of spectrums penetrating through the LED is dynamically adjusted, and the color rendering adjusting piece can enhance transmission of some specific spectrums such as red light and green light wave bands or weaken unwanted wavelengths such as blue light. Therefore, the whole spectrum structure is optimized, the system is suitable for illumination application with high requirements, such as scenes of artwork display and medical illumination, accurate restoration of colors is ensured, and the problems that the capability of dynamically adjusting spectrums is lacked and a high enough color rendering index cannot be provided are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to LED lamp pearl technical field, specifically is a high color rendering LED lamp pearl. BACKGROUND

[0002] The core element of LED lamp pearl is light emitting diode, usually through the current drive, emits different color light, after the encapsulation lens can be applied to various lighting equipment. According to different purposes, LED lamp pearl can realize white light, multicolor light and other various light emitting effects.

[0003] Although most of the existing LED lamp pearls on the market have the advantages of high brightness and low power consumption, but usually standard white light or single color light is emitted, and the spectral distribution is fixed, cannot be flexibly adjusted according to application requirements, lack the ability of dynamically adjusting spectrum, in the scene such as art display, medical lighting, the accurate restoration of color by light source is crucial, and ordinary LED lamp pearl often cannot provide high enough color rendering index (CRI) in these scenes, which affects the effect of lamp pearl in high color rendering application.

[0004] Therefore, a high color rendering LED lamp pearl is needed to solve the above technical defects. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a high color rendering LED lamp pearl to solve the problem of lack of dynamic spectrum adjustment ability and inability to provide high enough color rendering index in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a high color rendering LED lamp pearl, including base and fixed buckle, the positive and negative electrode pad is welded at the top of base, a group of fixed buckles is welded on both sides of the top of positive and negative electrode pad, the side foot is assembled in the fixed buckle and is connected with the lamp pearl seat, the high color rendering mechanism is arranged in the lamp pearl seat, the high color rendering mechanism includes the lamp pearl fixedly connected in the lamp pearl seat, four groups of LED light emitting diodes are arranged in the lamp pearl, the shaft sleeve is fixed in the middle position of the top of lamp pearl, the LED chip is fixedly connected at the bottom of lamp pearl, the driving motor is installed at the bottom of LED chip, the output shaft of driving motor is fixedly connected with the rotating shaft, the rotating shaft penetrates the shaft sleeve upwards and extends to the upper side of lamp pearl, and the color rendering adjusting piece is fixedly connected at the top of rotating shaft.

[0007] Preferably, the LED light emitting diode is arranged with four groups in the lamp pearl, and the LED light emitting diodes are evenly distributed in the lamp pearl.

[0008] Preferably, the lamp pearl is assembled with the encapsulation lens at the top, and the color rendering adjusting piece is matched with the arc of encapsulation lens.

[0009] Preferably, the lamp bead edge is provided with an optical reflection cover which does not contact the color rendering adjusting sheet.

[0010] Preferably, two groups of flat cables are arranged between the bottom of the LED chip and the positive and negative electrode pads, and the LED chip is connected to the positive and negative electrode pads of the positive and negative electrode pads through the flat cables.

[0011] Preferably, a group of sliding grooves are welded on both sides of the top end of the positive and negative electrode pads, sliding blocks are slidably connected in the sliding grooves, straight springs are fixedly connected outside the sliding blocks, clamping rods are fixedly connected outside the straight springs, clamping grooves are formed in the bottom end of the side feet, and the top end of the clamping rod is embedded in the clamping groove.

[0012] Preferably, concave surfaces are formed in the inner walls of the fixing buckles, the edges of the side feet are convex balls, and the clamping rods are "L" shaped.

[0013] Preferably, an angle spring is fixedly connected between the lamp bead seat and the side feet, and the angle spring is arranged obliquely.

[0014] Compared with the prior art, the high-color LED lamp bead not only realizes the adjustment of the color rendering effect of light according to different application scenes, improves the brightness of the light source, and improves the quality of light, but also realizes the screw-free fixing and dismounting.

[0015] (1) By arranging the driving motor, the rotating shaft, the color rendering adjusting sheet and the LED light emitting diode, when the driving motor drives the rotating shaft to rotate, the angle of the color rendering adjusting sheet changes, the spectral distribution of the light transmitted from the LED light emitting diode is dynamically adjusted, the color rendering adjusting sheet can enhance the transmission of some specific spectrum, such as red and green light bands, or weaken the unnecessary wavelengths such as blue light, so as to optimize the overall spectral structure. Through this design, the color rendering effect of light can be adjusted according to different application scenes, so that the lamp bead can maintain high color rendering index in various environments, and is suitable for high requirement lighting applications, such as art display, medical lighting and the like, so as to ensure the accurate restoration of color.

[0016] (2) By arranging the packaging lens, the optical reflection cover and the LED chip, the lamp bead is provided with the packaging lens at the lamp bead, and the optical reflection cover is arranged at the edge of the lamp bead. The packaging lens can focus the light emitted by the LED chip, so that the light is more uniformly irradiated to the target area. At the same time, the optical reflection cover reflects the light leakage, so that the light emitting efficiency of the lamp bead is greatly improved. The scattering and loss of light are effectively reduced, the brightness of the light source is improved, the quality of light is improved, the problem of uneven color rendering caused by light dispersion is avoided, and the excellent performance of the LED lamp bead in the high-color scene is ensured.

[0017] (3) through the setting has the sliding block, the sliding slot, the angle spring, the straight spring, the clamping rod, the side foot, the fixed buckle, the whole lamp pearl is installed at the lamp pearl seat, when disassembling, only need to move the sliding block and make it slide in the sliding slot, the straight spring is stretched, the clamping rod is inwards to the collection, the side foot is pressed and squeezes the angle spring, and from the fixed buckle and separates, at this moment can take down the lamp pearl seat from the positive and negative pad, when installing, can the clamping groove of the side foot bottom end is aimed at the clamping rod, under the action of the straight spring and the angle spring and clamps the reset, realizes the screwless fixing and disassembly, and the lamp pearl module can be replaced conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the front view section structure schematic diagram of the utility model;

[0019] Figure 2 It is the front view structure schematic diagram of the color rendering adjusting piece of the utility model;

[0020] Figure 3 It is the color rendering adjusting piece of the utility model's plan view structure schematic diagram;

[0021] Figure 4 It is the lamp pearl seat of the utility model's front view structure schematic diagram.

[0022] In the drawing: 1, optical reflector; 2, color rendering adjusting piece; 3, shaft sleeve; 4, rotating shaft; 5, encapsulation lens; 6, lamp pearl; 7, LED light emitting diode; 8, lamp pearl seat; 9, side foot; 10, fixed buckle; 11, clamping groove; 12, clamping rod; 13, sliding slot; 14, straight spring; 15, sliding block; 16, wire; 17, driving motor; 18, LED chip; 19, positive and negative pad; 20, angle spring; 21, base. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0024] Please refer to Figures 1-4The utility model provides an embodiment: a high color rendering LED lamp pearl, including base 21 and fixed buckle 10, base 21 top end welding has positive and negative pad 19, and the both sides of positive and negative pad 19 top end each welding a set of fixed buckle 10, and the fixed buckle 10 is assembled with the lateral foot 9 of clamping, and the lateral foot 9 middle position swing joint has the lamp pearl seat 8, and the lamp pearl seat 8 is provided with high color rendering mechanism in, and high color rendering mechanism includes the lamp pearl 6 of fixed connection in the lamp pearl seat 8, and the lamp pearl 6 is provided with four groups LED emitting diode 7, and the lamp pearl 6 top end middle position is fixed with the shaft sleeve 3, and the lamp pearl 6 bottom fixed connection has LED chip 18, and LED chip 18 bottom installs drive motor 17, and the output shaft fixed connection of drive motor 17 has the pivot 4, and the pivot 4 is upwards and extends to the above of lamp pearl 6 through the shaft sleeve 3, and the pivot 4 top end fixed connection has the color rendering adjusting piece 2, and LED emitting diode 7 is provided with four groups in the lamp pearl 6, and LED emitting diode 7 evenly distributes in the lamp pearl 6,

[0025] Specifically, as shown in Figure 1 、 Figure 2 and Figure 3 , when the drive motor 17 drives the pivot 4 to rotate, the angle of the color rendering adjusting piece 2 changes, dynamically adjusting the spectral distribution of light transmitted from the LED emitting diode 7, the color rendering adjusting piece 2 can enhance the transmission of certain specific spectrum, such as red and green light bands, or weaken unnecessary wavelengths such as blue light, thereby optimizing the overall spectral structure. Through this design, the color rendering effect of light can be adjusted according to different application scenarios.

[0026] The lamp pearl 6 top end assembly has the packaging lens 5, and the color rendering adjusting piece 2 and the packaging lens 5 arc match, and the lamp pearl 6 edge is provided with the optical reflection cover 1, and the optical reflection cover 1 does not contact the color rendering adjusting piece 2, and two groups of flat cables 16 are arranged between the LED chip 18 bottom and the positive and negative pad 19, and the LED chip 18 is connected to the positive and negative pad 19 positive and negative through the flat cable 16.

[0027] Specifically, as shown in Figure 1 and Figure 3 , the lamp pearl is provided with a packaging lens 5 at the lamp pearl 6, and an optical reflection cover 1 is configured at the edge of the lamp pearl 6. The lens of the packaging lens 5 can focus the light emitted by the LED chip 18, making the light more uniformly irradiate to the target area. At the same time, the optical reflection cover 1 reflects the light leakage, so that the light emitting efficiency of the lamp pearl 6 is greatly improved, effectively reducing the scattering and loss of light, improving the brightness of the light source, and improving the quality of light.

[0028] A set of sliding grooves 13 are welded on both sides of the top end of the positive and negative electrode pads 19, a sliding block 15 is slidably connected in the sliding grooves 13, a straight spring 14 is fixedly connected to the outer side of the sliding block 15, a clamping rod 12 is fixedly connected to the outer side of the straight spring 14, a clamping groove 11 is formed at the bottom end of the side foot 9, the top end of the clamping rod 12 is embedded in the clamping groove 11, a concave arc surface is processed on the inner wall of the fixed buckle 10, the edge of the side foot 9 is a convex ball, the clamping rod 12 is "L" shaped, an angle spring 20 is fixedly connected between the lamp bead seat 8 and the side foot 9, and the angle spring 20 is arranged obliquely.

[0029] Specifically, as shown in Figure 1 and Figure 4 , the entire lamp bead 6 is installed at the lamp bead seat 8, and when disassembling, only the sliding block 15 needs to be poked to slide in the sliding groove 13, the straight spring 14 is stretched, the clamping rod 12 is inwardly retracted, the side foot 9 is pressed to squeeze the angle spring 20, and is separated from the fixed buckle 10, at this time, the lamp bead seat 8 can be taken off from the positive and negative electrode pads 19 as a whole, and when installing, the clamping groove 11 at the bottom end of the side foot 9 can be aligned with the clamping rod 12, and the clamping rod 12 is clamped and reset under the action of the straight spring 14 and the angle spring 20, realizing screwless fixing and disassembling.

[0030] Working principle: The entire lamp bead 6 is installed at the lamp bead seat 8, and when disassembling, only the sliding block 15 needs to be poked to slide in the sliding groove 13, the straight spring 14 is stretched, the clamping rod 12 is inwardly retracted, the side foot 9 is pressed to squeeze the angle spring 20, and is separated from the fixed buckle 10, at this time, the lamp bead seat 8 can be taken off from the positive and negative electrode pads 19 as a whole, and when installing, the clamping groove 11 at the bottom end of the side foot 9 can be aligned with the clamping rod 12, and the clamping rod 12 is clamped and reset under the action of the straight spring 14 and the angle spring 20, realizing screwless fixing and disassembling. The lamp bead module can be conveniently replaced, the lamp bead is provided with an encapsulation lens 5 at the lamp bead 6, and an optical reflection cover 1 is configured at the edge of the lamp bead 6, the lens of the encapsulation lens 5 can focus the light emitted by the LED chip 18, so that the light is more uniformly irradiated to the target area, and at the same time, the optical reflection cover 1 reflects the light leakage, so that the light emitting efficiency of the lamp bead 6 is greatly improved, effectively reducing the scattering and loss of light. When the driving motor 17 drives the rotating shaft 4 to rotate, the angle of the color rendering adjusting sheet 2 changes, dynamically adjusting the spectral distribution of the light transmitted from the LED 7. The color rendering adjusting sheet 2 can enhance the transmission of certain specific spectra, such as red and green light bands, or weaken blue light and other unnecessary wavelengths, thereby optimizing the overall spectral structure. Through this design, the color rendering effect of the light can be adjusted according to different application scenarios, ensuring that the lamp bead can maintain a high color rendering index CRI in various environments, and being suitable for high-demand lighting applications, such as art display, medical lighting and other scenes, ensuring accurate color restoration.

[0031] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A high-color LED lamp bead comprising a base (21) and a fixing buckle (10), characterized in that: The base (21) top end is welded with positive and negative electrode pads (19), the positive and negative electrode pads (19) top end two sides are welded with a group of fixed buckles (10), the fixed buckle (10) is clamped with a side foot (9), the side foot (9) middle position is movably connected with a lamp bead seat (8), the lamp bead seat (8) is provided with high color rendering mechanism; high color rendering mechanism includes lamp bead (6) fixedly connected in lamp bead seat (8), the lamp bead (6) is provided with four groups of LED light emitting diodes (7), the lamp bead (6) top end middle position is fixed with a shaft sleeve (3), the lamp bead (6) bottom end is fixedly connected with LED chip (18), the LED chip (18) bottom end is provided with driving motor (17), the output shaft of driving motor (17) is fixedly connected with rotating shaft (4), the rotating shaft (4) penetrates upward through shaft sleeve (3) and extends above lamp bead (6), the rotating shaft (4) top end is fixedly connected with color rendering adjusting piece (2).

2. The high color rendering LED lamp bead according to claim 1, characterized in that: The LED light emitting diode (7) is provided with four groups in the lamp bead (6), and the LED light emitting diode (7) is uniformly distributed in the lamp bead (6).

3. The high color rendering LED lamp bead according to claim 1, characterized in that: The lamp bead (6) top end is provided with encapsulation lens (5), and the color rendering adjusting piece (2) and encapsulation lens (5) are matched in curvature.

4. The high color rendering LED lamp bead according to claim 1, characterized in that: The lamp bead (6) edge is provided with optical reflection cover (1), and the optical reflection cover (1) is not in contact with the color rendering adjusting piece (2).

5. The high color rendering LED lamp bead according to claim 1, characterized in that: Two groups of flat cables (16) are arranged between the LED chip (18) bottom and the positive and negative electrode pads (19), and the LED chip (18) is connected to the positive and negative electrode pads (19) through the flat cables (16).

6. The high color rendering LED lamp bead according to claim 1, characterized in that: The positive and negative electrode pads (19) top end two sides are respectively welded with a group of sliding grooves (13), the sliding grooves (13) are slidably connected with sliding blocks (15), the sliding blocks (15) are fixedly connected with straight springs (14) outside, the straight springs (14) are fixedly connected with clamping rods (12) outside, the side foot (9) bottom end is provided with clamping grooves (11), and the clamping rod (12) top end is embedded into the clamping grooves (11).

7. The high color rendering LED lamp bead according to claim 6, characterized in that: The fixed buckle (10) inner wall is processed with concave arc surface, the side foot (9) edge is convex ball, and the clamping rod (12) is ''L” shaped.

8. The high color rendering LED lamp bead according to claim 1, characterized in that: The lamp bead seat (8) and the side foot (9) are fixedly connected with angle spring (20), and the angle spring (20) is arranged obliquely.

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