CN107726140B

Movatterモバイル変換

Info

Publication number: CN107726140B
Application number: CN201710971490.3A
Authority: CN
Inventors: 赵秀芝
Original assignee: Zhejiang Industry and Trade Vocational College
Current assignee: Zhejiang Industry and Trade Vocational College
Priority date: 2017-10-18
Filing date: 2017-10-18
Publication date: 2020-05-19
Anticipated expiration: 2037-10-18
Also published as: CN107726140A

Abstract

The application provides an embedded LED lighting device which comprises a connector lug, a power supply protection cover, a power supply, an LED light-emitting module, a reflecting cover, a torsion spring, a lamp ring and a lens, wherein the power supply is fixed at the top end inside the power supply protection cover; wherein, still including the lamp shade that is equipped with ventilation structure, the lamp shade pass through the screw connection in the bottom surface of power safety cover, the reflector joint in the upper wall of lamp shade, the bottom of reflector is equipped with lens, the upper wall internal surface of lamp shade is equipped with a plurality of LED light emitting module, the lamp ring joint in the bottom of lamp shade, the torsional spring symmetry is located the both sides of lamp shade, the embedded LED lighting device that this application provided, because ventilation structure's lamp shade, therefore make embedded LED lighting device have better radiating effect, prolonged life.

Description

Embedded LED lighting device

Technical Field

The invention relates to the technical field of lamp lighting devices, in particular to an embedded LED lighting device.

Background

Like conventional light sources, semiconductor Light Emitting Diodes (LEDs) also generate heat during operation, which depends somewhat on the overall luminous efficiency. Under the action of external electric energy, electrons and holes are radiated and combined to generate electroluminescence, and light radiated near a PN junction can reach the outside (air) only through a semiconductor medium and a packaging medium of a chip (chip). By integrating the current injection efficiency, the radiant luminescence quantum efficiency, the chip external light extraction efficiency and the like, only 30-40% of input electric energy is converted into light energy finally, and the rest 60-70% of energy is converted into heat energy mainly in the form of lattice vibration generated by non-radiative recombination.

Generally, whether the LED lamp works stably or not, the quality is good or bad, the LED lamp is crucial to heat dissipation of a lamp body, and natural heat dissipation is often adopted for heat dissipation of high-brightness LED lamps in the market, so that the effect is not ideal. An LED lamp manufactured by an LED light source consists of an LED, a heat dissipation structure, a driver and a lens, so that heat dissipation is also an important part, and if the LED cannot dissipate heat well, the service life of the LED can be influenced.

Chinese patent CN201520593402.7 discloses an embedded LED lamp, which comprises a power supply device, a lampshade, an LED light-emitting module, a reflecting cover and a lens, wherein the power supply device comprises a cup-shaped shell and a power supply unit arranged in the shell, the open end of the shell is detachably connected with the outer side of the bottom of the lampshade, the reflecting cover is positioned in the lampshade, the rear end of the reflecting cover is detachably connected with the inner side of the bottom of the lampshade, the front end opening of the reflecting cover is detachably connected with the lens, the LED light-emitting module is fixed at the inner side of the bottom of the lampshade and positioned in the enclosed area of the rear end opening of the reflecting cover, or the LED light-emitting module is fixed at the inner side of the bottom of the rear end of the reflecting cover, the patent only replaces the function of a bulb by the combination of a horn-shaped reflecting cover and the lens with a larger open end, thereby increasing the heat dissipation space, the heat dissipation, the service life of the embedded LED lighting device is shortened.

In summary, how to further increase the heat dissipation effect of the embedded LED lighting device is a problem that needs to be solved urgently by those skilled in the art.

Disclosure of Invention

The invention aims to provide an embedded LED lighting device, which solves the problem of heat dissipation of the embedded LED lighting device.

In order to solve the technical problems, the invention provides the following technical scheme: an embedded LED lighting device comprises a connector lug, a power supply protective cover, a power supply, an LED light-emitting module, a reflecting cover, a torsional spring, a lamp ring and a lens, wherein the power supply is fixed at the top end inside the power supply protective cover; wherein, still include the lamp shade that is equipped with ventilation structure, the lamp shade pass through the screw connection in the bottom surface of power safety cover, the reflector joint in the upper wall of lamp shade, the bottom of reflector is equipped with lens, the upper wall internal surface of lamp shade is equipped with a plurality of LED light emitting module, lamp ring joint in the bottom of lamp shade, the torsional spring symmetry is located the both sides of lamp shade, the upper wall annular equipartition of lamp shade has at least three via hole, be equipped with a plurality of on the dustcoat of lamp shade, the arch forms the outside ventilation hole after outstanding on the dustcoat of lamp shade, the dustcoat surface lower part of lamp shade is equipped with rings, the torsional spring cover is established on rings, the dustcoat lower extreme of lamp shade is equipped with first arch and second arch, form first annular between first arch and the second arch, dustcoat internal surface one side of lamp shade be equipped with the inner cover that parallels with the dustcoat of lamp shade, the bottom of inner cover is equipped with slick and sly embedding head, the middle part of inner cover is equipped with a plurality of dome, the centre of dome is equipped with interior ventilation hole, the dustcoat of lamp shade with form the cavity between the inner cover, the surface of reflector upwards extend have with the dop of via hole looks adaptation, the dop passes the via hole will the reflector joint in the upper wall of lamp shade, the dop is equipped with the card point, the bottom surface of card point with the upper surface of lamp shade is laminated mutually, the top of dop is equipped with the shifting block, the outside of shifting block is equipped with the recess, the diameter of via hole is greater than the dop is in the diameter of card point below.

Further, the upper surface outside of lamp ring be equipped with the third of first annular looks adaptation is protruding, the third protruding with the upper surface of lamp ring form with the second annular of the protruding looks adaptation of second, the upper surface inside of lamp ring is equipped with the snap ring, the top of snap ring be equipped with the third annular of embedding head looks adaptation.

Further, the protrusions are staggered from the knobs such that the outer vent and the inner vent are spaced apart.

Further, after the lamp shade and the power protection cover are connected together through the screws, nail heads of the screws extend into the cavity.

Furthermore, the inner surface of the reflector is plated with mercury, and the radian meets the requirement of reflecting light rays to the maximum extent and passing through the lens.

Furthermore, the hanging ring is a closed ring, and the torsion spring is sleeved on the hanging ring after being continuously wound.

Furthermore, the central line of the clamping head forms a certain angle with the vertical direction, the shifting head is pulled, the bottom surface of the clamping tip leaves the upper surface of the lampshade, and the reflecting shade and the lens can be integrally taken down.

According to the technical scheme, the invention has the following beneficial effects:

1. due to the adoption of the lampshade with the ventilation structure, the embedded LED lighting device has better heat dissipation effect;

2. the reflector is clamped with the upper wall of the lampshade, so that the reflector and the lens are convenient to integrally mount and dismount.

The invention is described in further detail below with reference to the figures and the detailed description.

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, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the lampshade structure of the invention.

Fig. 3 is a schematic view of a chuck structure of the present invention.

Fig. 4 is a cross-sectional view of a lamp ring of the present invention.

Fig. 5 is an enlarged view of the invention at a in fig. 1.

Fig. 6 is a schematic view of the connection between the torsion spring and the hanging ring of the present invention.

Description of reference numerals: the LED lamp comprises a connector lug-1, a power protection cover-2, a screw-21, a power supply-3, an LED light-emitting module-4, a reflecting cover-5, a clamping head-51, a clamping tip-511, a shifting head-512, a groove-513, a lampshade-6, a through hole-61, a protrusion-62, an outer vent-63, a hanging ring-64, a first protrusion-65, a first annular groove-66, a second protrusion-67, an inner cover-68, an embedding head-681, a round protrusion-682, an inner vent-683, a cavity-69, a torsion spring-7, a lamp ring-8, a third protrusion-81, a second annular groove-82, a clamping ring-83, a third annular groove-831 and a lens-9.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

The present application is further described with reference to fig. 1 to 6, and the embedded LED lighting device shown in fig. 1 includes aconnector lug 1, apower protection cover 2, a power supply 3, an LED light emitting module 4, a reflector 5, atorsion spring 7, alamp ring 8 and alens 9, wherein the power supply 3 is fixed at the top end inside thepower protection cover 2, one end of theconnector lug 1 is connected to the power supply 3, and the other end of theconnector lug 1 penetrates through thepower protection cover 2 and is connected to an external power supply device; wherein, this embedded LED lighting device is still including thelamp shade 6 that is equipped with ventilation structure, andlamp shade 6 passes through screw 21 to be connected in the bottom surface ofpower safety cover 2, and 5 joints of reflector in the upper wall oflamp shade 6, the bottom of reflector 5 are equipped withlens 9, and the upper wall internal surface oflamp shade 6 is equipped with a plurality of LEDlight emitting module 4, and 8 joints of lamp ring are in the bottom oflamp shade 6, and the both sides oflamp shade 6 are located to 7 symmetries of torsional spring.

As shown in fig. 1 and 2, at least three throughholes 61 are uniformly distributed in an annular shape on an upper wall of thelampshade 6, a plurality ofprotrusions 62 are arranged on an outer cover of thelampshade 6, theprotrusions 62 protrude from the outer cover of thelampshade 6 to formouter ventilation holes 63, ahanging ring 64 is arranged on the lower portion of the outer surface of the outer cover of thelampshade 6, thetorsion spring 7 is sleeved on the hangingring 64, afirst protrusion 65 and asecond protrusion 67 are arranged at the lower end of the outer cover of thelampshade 6, a firstannular groove 66 is formed between thefirst protrusion 65 and thesecond protrusion 67, aninner cover 68 parallel to the outer cover of thelampshade 6 is arranged on one side of the inner surface of the outer cover of thelampshade 6, a smooth embeddinghead 681 is arranged at the bottom end of theinner cover 68, a plurality ofround protrusions 682 are arranged in the middle of theinner cover 68, an inner ventilation hole 683.

Due to the adoption of thelampshade 6 with the ventilation structure, the embedded LED lighting device has a better heat dissipation effect, the normal use of internal components is ensured, and the service life of the embedded LED lighting device is prolonged.

Preferably, in order to ensure the safe connection between thetorsion spring 7 and thehanging ring 64, as shown in fig. 1 and 6, thehanging ring 64 is a closed ring, so that the distance between the rings of thetorsion spring 7 can be increased, and the head hook of thetorsion spring 7 passes through the hangingring 64 and then is continuously wound and sleeved on the hangingring 64.

As shown in fig. 1 and 3, achuck 51 adapted to the throughhole 61 extends upward from the outer surface of the reflector 5, thechuck 51 penetrates through the throughhole 61 to clamp the reflector 5 to the upper wall of thelamp shade 6, thechuck 51 is provided with aclamping tip 511, the bottom surface of theclamping tip 511 is attached to the upper surface of thelamp shade 6, the top end of thechuck 51 is provided with adial 512, and the outer side of thedial 512 is provided with agroove 513.

Preferably, the reflector 5 is directly clamped on the upper wall of thelampshade 6 through a clampinghead 51, so that the reflector and the lens are conveniently and integrally mounted and dismounted.

As shown in fig. 1, 4 and 5, athird protrusion 81 adapted to thefirst ring groove 66 is disposed on the outer side of the upper surface of thelamp ring 8, asecond ring groove 82 adapted to thesecond protrusion 67 is formed on the upper surface of thethird protrusion 81 and the upper surface of thelamp ring 8, asnap ring 83 is disposed on the inner side of the upper surface of thelamp ring 8, and athird ring groove 831 adapted to theinsert head 681 is disposed on the top of thesnap ring 83.

Preferably, thelamp ring 8 can be conveniently mounted and dismounted and is easy to maintain and clean by mutually clamping the raised ring grooves.

As shown in fig. 1 and 2, theprotrusions 62 are staggered with theknobs 682 such that theouter vent 63 and the inner vent 683 are spaced apart.

Preferably,outer ventilation hole 63 and interior ventilation hole 683 are separated, can prevent effectively that the dust from directly getting into the inner chamber oflamp shade 6 to disperse in the air, cause the injury to human health, the dust passes throughouter ventilation hole 63 after, collides the bottom that the surface landing ofinner cover 68 tocavity 69,dismantles lantern ring 8, can clear up the dust.

As shown in fig. 1, after thelamp shade 6 and thepower protection cover 2 are connected together by the screws 21, the nail heads of the screws 21 extend into thecavities 69.

Preferably, the screws 21 are removed and the corresponding screw holes form a channel with the bottom of thechamber 69 to facilitate cleaning of the inner surface of thechamber 69.

As shown in fig. 1 and 3, the diameter of the throughhole 61 is larger than the diameter of thechuck 51 below thechuck tip 511, so that a gap still remains between thechuck 51 and the throughhole 61, and thus, after passing through theouter vent 63 and the inner vent 683, the flowing air can enter the inner cavity (shown by curved arrows in fig. 1) of thepower protection cover 2 to take away heat emitted by the power supply 3, thereby avoiding the damage of overhigh temperature to the stability of the whole device, and effectively prolonging the service life of the whole device.

Preferably, the reflector 5 is coated with mercury on its inner surface and is curved to maximize the reflection of light through the lens 9 (as indicated by the linear arrows in fig. 1), which improves the illumination of the device.

As shown in fig. 1, the central line of thechuck 51 forms a certain angle with the vertical direction, the bottom surface of thechuck tip 511 leaves the upper surface of thelampshade 6 by pulling the shiftinghead 512, and the reflector 5 and thelens 9 can be integrally removed.

Preferably, the center line of theclip 51 is at an angle with the vertical direction, so that theclip 51 has an elastic tendency relative to the vertical direction, and the reflector 5 is firmly clamped on the upper wall of thelampshade 6.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

2. The embedded LED lighting device according to claim 1, wherein a third protrusion (81) adapted to the first ring groove (66) is disposed on an outer side of an upper surface of the lamp ring (8), a second ring groove (82) adapted to the second protrusion (67) is formed on the upper surface of the lamp ring (8) and the third protrusion (81), a snap ring (83) is disposed on an inner side of the upper surface of the lamp ring (8), and a third ring groove (831) adapted to the embedding head (681) is disposed on a top of the snap ring (83).

3. The recessed LED lighting device of claim 1, wherein the protrusions (62) are staggered from the knobs (682) such that the outer vent (63) and the inner vent (683) are spaced apart.

4. The recessed LED lighting device as claimed in claim 1, wherein the screw (21) has a head protruding into the cavity (69) after the lamp housing (6) and the power protection cover (2) are connected together by the screw (21).

5. The recessed LED lighting device of claim 1, wherein the inner surface of the reflector (5) is coated with mercury and has a curvature to maximize the reflection of light through the lens (9).

6. The embedded LED lighting device as claimed in claim 1, wherein the hanging ring (64) is a closed ring, and the torsion spring (7) is continuously wound and then sleeved on the hanging ring (64).