CN114278880A

CN114278880A - High-color-gamut lamp bead based on blue-green light chip loaded with fluorescent powder and LED lamp

Info

Publication number: CN114278880A
Application number: CN202111571156.1A
Authority: CN
Inventors: 贾思旻; 周远杰; 吴永言; 廖静文
Original assignee: Shenzhen Guomingwei Technology Co ltd
Current assignee: Shenzhen Guomingwei Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-04-05

Abstract

The utility model relates to a high colour gamut lamp pearl and LED lamp based on blue-green light chip loading phosphor powder, belong to the illumination field, through design heat dissipation mechanism, make the thermal expansion body thermal expansion back, can promote the slider, connecting rod and fender ball remove, make and keep off the no longer shutoff louvre of ball, and then make the air can get into the top of lamp pearl body and the inner chamber of lamp shade, dispel the heat to the luminous chip on the lamp pearl body, the life of lamp pearl body has been promoted, and when the nothing needs heat dissipation, the thermal expansion body shrink, under the effect of recess on the arc spout, it slides to louvre position department and continues shutoff louvre to keep off the ball, reduce the probability that the dust got into.

Description

High-color-gamut lamp bead based on blue-green light chip loaded with fluorescent powder and LED lamp

Technical Field

The invention relates to a high-color-gamut lamp bead based on blue-green chip loaded fluorescent powder and an LED lamp, and belongs to the field of illumination.

Background

Light emitting diodes, referred to as LEDs for short, are commonly used light emitting devices that emit light by energy released by recombination of electrons and holes, and are widely used in the field of illumination, and light emitting diodes can efficiently convert electrical energy into light energy, and have wide applications in modern society, such as illumination, flat panel display, medical devices, etc., and can radiate visible light when electrons and holes are recombined, thus being used to make light emitting diodes, as indicator lights in circuits and instruments, or to form text or digital displays.

Current LED lamp pearl can will seal when production and glue and drip on the luminescence chip on the lamp pearl, protects luminescence chip, but seals glue and closely laminate with luminescence chip, almost has no gap, consequently the heat that luminescence chip produced can't give off, along with LED's continuous use, luminescence chip's temperature risees gradually, is in under this kind of environment for a long time, influences LED lamp pearl's life easily.

Therefore, the improvement is made, and the high-color-gamut lamp bead based on the blue-green chip loaded with fluorescent powder and the LED lamp are provided.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: LED lamp pearl radiating effect is poor, and life is short.

(II) technical scheme

In order to achieve the purpose, the invention provides a high-color-gamut lamp bead based on blue-green light chip loaded fluorescent powder, which comprises a lamp bead body, wherein a plurality of arc-shaped sliding grooves are formed in the side of the lamp bead body, a heat dissipation mechanism for dissipating heat is arranged in the inner cavity of each arc-shaped sliding groove, and each heat dissipation mechanism comprises two heat dissipation holes which are respectively formed in the two sides of the inner cavity of each arc-shaped sliding groove and used for ventilating and dissipating heat;

the heat dissipation mechanism further comprises a thermal expansion body arranged inside the arc-shaped sliding groove, a sliding block is attached to one side of the thermal expansion body, a connecting rod is hinged to one side of the sliding block, and a blocking ball used for blocking the heat dissipation holes is hinged to the end portion of the connecting rod.

The LED lamp comprises a lamp bead body and is characterized in that a lamp shade is arranged at the top end of the lamp bead body, a blue light chip and a green light chip which are located in an inner cavity of the lamp shade are arranged at the top end of the lamp bead body, and KSF fluorescent powder is filled in the lamp shade.

And grooves are formed in the top end and one side of the bottom end inside the arc-shaped sliding groove.

The LED lamp comprises two lamp bead bodies according to the claim and further comprises a lamp holder, mounting grooves for placing the lamp bead bodies are formed in the two sides of the top end of the lamp holder, a heat dissipation assembly is arranged in the middle of the top end of the lamp holder and comprises a round hole formed in the middle of the top end of the lamp holder, two rotatable fan blades are arranged inside the round hole, a connecting shaft is arranged between the two fan blades, a square rod is connected to the middle of the bottom end of each fan blade in an alternating mode, a micro motor used for driving the square rod to rotate is arranged at the bottom of the lamp bead body, and the inside of the round hole is communicated with the inside of the two mounting grooves.

Wherein, the equal fixedly connected with in the inside front and back side of mounting groove uses the elastic ring who is used for fixed lamp pearl body with the louvre cooperation.

The lamp holder comprises a lamp holder body, a lamp cover and a clamping groove, wherein the lamp cover used for protecting the lamp bead body is arranged at the top end of the lamp holder, and the clamping groove is formed in the middle of the lamp cover.

Wherein, the inside front and back side of round hole all alternates and is connected with the bolt, two the outside of bolt all alternates and is connected with the link that uses with the draw-in groove cooperation, two the equal fixedly connected with picture peg of opposite side of link bottom, two it is provided with the backup pad to alternate between the picture peg, micro motor installs the top in the backup pad.

The lamp holder is characterized in that a spring positioned between the lamp holder and the connecting frame is arranged outside the bolt, and one end of the bolt is fixedly connected with a clamping ring used for clamping the connecting shaft.

The end part of the clamping ring is arc-shaped, and the arc surface of the clamping ring is smooth.

(III) advantageous effects

The high-color gamut lamp bead and the LED lamp based on the blue-green chip loaded with the fluorescent powder have the beneficial effects that:

1. through the design of the heat dissipation mechanism, after the heated expansion body is heated and expanded, the sliding block, the connecting rod and the blocking ball can be pushed to move, so that the blocking ball does not block the heat dissipation holes, air can enter the top of the lamp bead body and the inner cavity of the lampshade, the light emitting chip on the lamp bead body is dissipated, the service life of the lamp bead body is prolonged, when heat dissipation is not needed, the heated expansion body contracts, and under the action of the groove on the arc-shaped sliding groove, the blocking ball slides to the position of the heat dissipation holes to continue to block the heat dissipation holes, so that the probability of dust entering is reduced;

2. by arranging the heat dissipation assembly, when the micro motor works, the fan blades can blow air around the micro motor into the mounting groove, and further when the thermal expansion body expands, formed air flow can enter between the lampshade and the lamp bead bodies, so that the heat dissipation of the light-emitting chip is accelerated, the heat dissipation effect is improved, the two lamp bead bodies can be simultaneously dissipated, and the efficiency is high;

3. through setting up bolt, clamp ring and connecting axle, make the bolt not only can be used for fixed lamp lid under the effect of spring, can also cooperate the clamp ring to be used for restricting the removal of connecting axle, and then when people need clean the flabellum, can make clamp ring and flabellum and connecting axle separation back, alright take out with the flabellum from the inside of round hole, functional strong.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a high-gamut lamp bead based on blue-green light chip loaded with fluorescent powder provided by the present application;

fig. 2 is a schematic top view cross-sectional structural view of a high-gamut lamp bead based on blue-green chip loaded with phosphor provided by the present application;

fig. 3 is a schematic cross-sectional structural view of an arc-shaped chute of a high-gamut lamp bead based on blue-green chip loaded with phosphor provided by the present application;

FIG. 4 is a schematic structural diagram of an LED lamp provided by the present application;

fig. 5 is a schematic sectional view of a lamp holder of the LED lamp provided in the present application;

fig. 6 is a schematic top sectional view of a lamp holder of an LED lamp provided in the present application.

1. A lamp bead body; 2. a lamp shade; 3. an arc-shaped chute; 4. heat dissipation holes; 5. a thermally expansive body; 6. a slider; 7. a connecting rod; 8. blocking the ball; 9. a lamp socket; 10. mounting grooves; 11. a circular hole; 12. a fan blade; 13. a connecting shaft; 14. a square bar; 15. a micro motor; 16. a lamp cover; 17. a card slot; 18. a bolt; 19. a connecting frame; 20. inserting plates; 21. a support plate; 22. a spring; 23. a clamping ring; 24. an elastic ring.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Example 1:

as shown in fig. 1 and 2, the high-color gamut lamp bead based on blue-green light chip loaded fluorescent powder provided by the embodiment includes a lamp bead body 1, a plurality of arc chutes 3 are formed on the side of the lamp bead body 1, a heat dissipation mechanism for dissipating heat is arranged in the inner cavity of each arc chute 3, and the heat dissipation mechanism includes two heat dissipation holes 4 respectively formed on two sides of the inner cavity of each arc chute 3 for ventilation and heat dissipation;

heat dissipation mechanism is still including setting up the thermal expansion body 5 inside arc spout 3, the one side laminating of thermal expansion body 5 has slider 6, one side of slider 6 articulates there is connecting rod 7, the tip of connecting rod 7 articulates there is the fender ball 8 that is used for shutoff louvre 4, thermal expansion body 5 is heated through the design, slider 6, connecting rod 7 and fender ball 8, make thermal expansion body 5 thermal expansion back, can promote slider 6, connecting rod 7 and fender ball 8 remove, make and keep off ball 8 no longer shutoff louvre 4, and then make the air can get into the top of lamp pearl body 1 and the inner chamber of lamp shade 2, dispel the heat to the light-emitting chip on the lamp pearl body 1, the life of lamp pearl body 1 has been promoted.

Example 2:

the scheme of example 1 is further described below in conjunction with specific working modes, which are described in detail below:

as shown in fig. 1, 2 and 3, as a preferred embodiment, on the basis of the above manner, further, a lampshade 2 is arranged at the top end of the lamp bead body 1, a blue light chip and a green light chip which are located in an inner cavity of the lampshade 2 are arranged at the top end of the lamp bead body 1, KSF fluorescent powder is filled in the lampshade 2, and the KSF fluorescent powder has high light conversion rate and is more environment-friendly.

As shown in fig. 1, 2 and 3, as a preferred embodiment, on the basis of the above manner, further, grooves are formed in both the top end and one side of the bottom end inside the arc-shaped chute 3, so that when the thermal expansion body 5 contracts through the grooves, the blocking balls 8 slide to the positions of the heat dissipation holes 4 to continuously block the heat dissipation holes 4 under the action of the grooves on the arc-shaped chute 3, thereby reducing the probability of dust entering.

As shown in fig. 1, 4, 5 and 6, the present embodiment provides an LED lamp, which includes two lamp bead bodies 1, and further includes a lamp holder 9, wherein both sides of the top end of the lamp holder 9 are provided with mounting grooves 10 for placing the lamp bead bodies 1, the middle portion of the top end of the lamp holder 9 is provided with a heat dissipation assembly, by providing the heat dissipation assembly, when a micro motor 15 is in operation, fan blades 12 can blow ambient air into the mounting grooves 10, and further when the thermal expansion body 5 expands, the formed air flow can enter between the lampshade 2 and the lamp bead bodies 1, thereby accelerating the heat dissipation of the light emitting chip, improving the heat dissipation effect, and can simultaneously dissipate the heat of the two lamp bead bodies 1, the efficiency is high, the heat dissipation assembly includes a circular hole 11 formed in the middle of the top end of the lamp holder 9, two rotatable fan blades 12 are arranged inside the circular hole 11, a connecting shaft 13 is arranged between the two fan blades 12, a square rod 14 is inserted and connected in the middle of the bottom ends of the fan blades 12, the bottom of lamp pearl body 1 is provided with and is used for driving square bar 14 pivoted micro motor 15, and the inside of round hole 11 all communicates with the inside of two mounting grooves 10.

As shown in fig. 1, fig. 4, fig. 5 and fig. 6, as a preferred embodiment, on the basis of the above-mentioned manner, further, the elastic ring 24 for fixing the lamp bead body 1 is used by matching the heat dissipation holes 4 with the fixedly connected connection at the front and back sides inside the mounting groove 10, and under the action of the elastic ring 24, after the lamp bead body 1 is placed inside the mounting groove 10, the elastic ring 24 can be clamped into the heat dissipation holes 4 at the corresponding positions under the action of its own elastic force, so as to fixedly mount the lamp bead body 1 on the lamp holder 9.

As shown in fig. 1, 4, 5 and 6, as a preferred embodiment, on the basis of the above manner, further, a lamp cover 16 for protecting the lamp bead body 1 is disposed at the top end of the lamp holder 9, and by disposing the lamp cover 16, after the lamp cover 16 is covered on the lamp holder 9, the lamp bead body 1 can be protected, so that the lamp bead body 1 is not easily damaged, and a clamping groove 17 is disposed in the middle of the lamp cover 16.

As shown in fig. 1, 4, 5 and 6, as a preferred embodiment, in addition to the above-mentioned mode, the front side and the rear side inside the circular hole 11 are respectively inserted and connected with the pins 18, the outside of the two pins 18 is respectively inserted and connected with the connection frames 19 used in cooperation with the slots 17, the opposite sides of the bottoms of the two connection frames 19 are respectively and fixedly connected with the insertion plates 20, the support plate 21 is inserted and arranged between the two insertion plates 20, the micro motor 15 is installed at the top end of the support plate 21, and by arranging the connection frames 19, the top end of the connection frame 19 is inserted into the inside of the slots 17, and then the lamp cover 16 can be fixed on the lamp holder 9.

As shown in fig. 1, 4, 5 and 6, as a preferred embodiment, on the basis of the above-mentioned manner, a spring 22 located between the lamp holder 9 and the connecting frame 19 is further disposed outside the plug 18, a clamping ring 23 for clamping the connecting shaft 13 is fixedly connected to one end of the plug 18, and by disposing the plug 18, the clamping ring 23 and the connecting shaft 13, the plug 18 can be used not only for fixing the lamp cover 16 under the action of the spring 22, but also for limiting the movement of the connecting shaft 13 in cooperation with the clamping ring 23, and when people need to clean the fan blades 12, the fan blades 12 can be taken out from the inside of the circular hole 11 after the clamping ring 23 is separated from the fan blades 12 and the connecting shaft 13 by pulling the plug 18, so that the fan blades 12 have strong functionality.

As shown in fig. 1, 4, 5 and 6, in addition to the above-described embodiment, in a preferred embodiment, the end portion of the clamp ring 23 is formed in an arc shape, and the arc surface of the clamp ring 23 is smooth, so that the clamp ring 23 does not easily affect the rotation of the connecting shaft 13, but restricts the movement of the connecting shaft 13.

Example 3:

the schemes of example 1 and example 2 are further described below in conjunction with specific working examples, which are described in detail below:

specifically, this high colour gamut lamp pearl and LED lamp based on blue-green light chip loading phosphor powder when during operation/use: controlling a micro motor 15 to start, wherein the micro motor 15 drives a square rod 14 and a fan blade 12 to rotate, wind generated when the fan blade 12 rotates enters the inside of the mounting groove 10, and after a thermal expansion body 5 expands under heat, a sliding block 6, a connecting rod 7 and a blocking ball 8 can be pushed to move, so that the blocking ball 8 does not block a heat dissipation hole 4 any more, the wind can enter the top of a lamp bead body 1 and an inner cavity of a lampshade 2 to dissipate heat of a light emitting chip on the lamp bead body 1, and when the heat dissipation is not needed, a power supply of the micro motor 15 is turned off;

when the fan blades 12 need to be disassembled, the two connecting frames 19 are pulled to the two sides, the two inserting pins 18 drive the two clamping rings 23 to be separated from the fan blades 12 and the connecting shaft 13, the connecting frames 19 are separated from the clamping grooves 17 at the moment, the lamp cover 16 is taken down, the fan blades 12 are taken down again, the supporting plate 21 is not completely separated from the inserting plate 20 at the moment, if the micro motor 15 needs to be overhauled or replaced, the connecting frames 19 can be pulled continuously, the inserting plate 20 is separated from the supporting plate 21, the micro motor 15 can be separated from the lamp holder 9, new fan blades 12 are placed in the round hole 11, the bottom ends of the fan blades 12 at the bottom are inserted into the square rod 14, the two inserting pins 18 are loosened, the top ends of the connecting frames 19 are inserted into the clamping grooves 17 under the action of the springs 22, and the clamping rings 23 are inserted between the two fan blades 12 and are in contact with the connecting shaft 13.

The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.

Claims

1. The high-color-gamut lamp bead based on blue-green light chip loaded fluorescent powder is characterized by comprising a lamp bead body (1), wherein a plurality of arc-shaped chutes (3) are formed in the side of the lamp bead body (1), heat dissipation mechanisms for dissipating heat are arranged in the inner cavities of the arc-shaped chutes (3), and each heat dissipation mechanism comprises two heat dissipation holes (4) which are formed in the two sides of the inner cavity of each arc-shaped chute (3) and used for ventilating and dissipating heat;

the heat dissipation mechanism further comprises a thermal expansion body (5) arranged inside the arc-shaped sliding groove (3), a sliding block (6) is attached to one side of the thermal expansion body (5), a connecting rod (7) is hinged to one side of the sliding block (6), and a blocking ball (8) used for blocking the heat dissipation holes (4) is hinged to the end portion of the connecting rod (7).

2. The blue-green light chip phosphor-loaded high-color gamut lamp bead according to claim 1, wherein a lamp shade (2) is arranged at the top end of the lamp bead body (1), a blue light chip and a green light chip which are positioned in an inner cavity of the lamp shade (2) are arranged at the top end of the lamp bead body (1), and the KSF phosphor is filled in the lamp shade (2).

3. The blue-green light chip phosphor-loaded high-gamut lamp bead according to claim 1, wherein grooves are formed in both the top end and one side of the bottom end of the inside of the arc-shaped chute (3).

4. LED lamp, characterized in that it comprises two bead bodies (1) according to claim 4, and further comprises a lamp holder (9), both sides of the top end of the lamp holder (9) are provided with mounting grooves (10) for placing the lamp bead body (1), the middle part of the top end of the lamp holder (9) is provided with a heat dissipation component, the heat dissipation component comprises a round hole (11) arranged in the middle part of the top end of the lamp holder (9), two rotatable fan blades (12) are arranged in the round hole (11), a connecting shaft (13) is arranged between the two fan blades (12), a square rod (14) is inserted and connected in the middle of the bottom end of the fan blade (12) at the bottom, the bottom of the lamp bead body (1) is provided with a micro motor (15) for driving the square rod (14) to rotate, the inside of the round hole (11) is communicated with the inside of the two mounting grooves (10).

5. The LED lamp according to claim 4, wherein the front side and the rear side of the inside of the mounting groove (10) are fixedly connected with elastic rings (24) which are matched with the heat dissipation holes (4) for fixing the lamp bead body (1).

6. The LED lamp according to claim 4, wherein a lamp cover (16) for protecting the lamp bead body (1) is arranged at the top end of the lamp holder (9), and a clamping groove (17) is formed in the middle of the lamp cover (16).

7. The LED lamp according to claim 6, wherein inserting pins (18) are inserted into the front side and the rear side of the inside of the round hole (11), connecting frames (19) matched with the clamping grooves (17) are inserted into the outside of the two inserting pins (18), inserting plates (20) are fixedly connected to the opposite sides of the bottoms of the two connecting frames (19), a supporting plate (21) is inserted between the two inserting plates (20), and the micro motor (15) is installed at the top end of the supporting plate (21).

8. LED lamp according to claim 7, characterized in that the bolt (18) is externally provided with a spring (22) between the socket (9) and the connecting frame (19), and one end of the bolt (18) is fixedly connected with a clamping ring (23) for clamping the connecting shaft (13).

9. The LED lamp according to claim 8, wherein the end of the clamping ring (23) is arc-shaped, and the arc surface of the clamping ring (23) is smooth.