CN211925496U - Projecting lamp - Google Patents

Abstract

The application provides a spotlight, include: a base; the driving piece is arranged in the base; the heat dissipation shell comprises an outer shell arranged at one end of the base and an inner shell arranged in the outer shell, end face openings are formed in the ends, far away from the base, of the outer shell and the inner shell, a cavity is defined between the outer shell and the inner shell, heat dissipation holes are formed in the heat dissipation shell, and the cavity is communicated with the outside through the heat dissipation holes; the light source plate is arranged in the inner shell; and the lens is arranged at one end of the heat dissipation shell, which is far away from the base, and covers the end surface opening of the inner shell. The application provides a shot-light, two inside and outside casings are adopted to the heat dissipation casing, and the setting of interior casing has increased two cooling surfaces, the effective heat radiating area greatly increased of shot-light, and the heat that driving piece and light source board sent gives off to the cavity between shell and the inner shell in, through the louvre with the heat in dispersing the air, the product has good heat dispersion, product long service life.

Description

Projecting lamp

Technical Field

The application belongs to the technical field of lighting equipment, and more specifically relates to a spotlight.

Background

The spot light is a lamp installed on the roof and the top of a kitchen cabinet, is widely applied to emphases such as shopping malls, large supermarkets, offices, hospitals, schools, hotels, high-grade houses and the like, can lighten the environment, beautify the environment and add colors to lives.

The existing commonly used spot lamp has the problem of poor heat dissipation performance, the spot lamp cup can not dissipate heat in time to cause the phenomenon of light decay, and the service life of the spot lamp is short.

Disclosure of Invention

An object of the embodiment of the application is to provide a spot lamp to solve the technical problem that heat dispersion performance is poor in the prior art.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: provided is a spot lamp including:

a base;

the driving piece is arranged in the base;

the heat dissipation shell comprises an outer shell arranged at one end of the base and an inner shell arranged in the outer shell, end face openings are formed in the ends, far away from the base, of the outer shell and the inner shell, a cavity is defined between the outer shell and the inner shell, heat dissipation holes are formed in the heat dissipation shell, and the cavity is communicated with the outside through the heat dissipation holes;

the light source plate is arranged in the inner shell and is electrically connected with the driving piece;

and the lens is arranged at one end of the heat dissipation shell, which is far away from the base, and covers the end surface opening of the inner shell.

Optionally, the base is provided with a positioning column, positioning holes are respectively formed in positions, corresponding to the positioning column, of the outer shell and the inner shell, the positioning column is adapted to penetrate through the positioning holes of the outer shell and the inner shell, the positioning column is connected with a fastening piece, and the outer shell and the inner shell are assembled and fixed at one end of the base through the fastening piece.

Optionally, the light source board corresponds each the position of reference column is seted up respectively and is supplied the reference column to put into the groove of dodging, the reference column passes in proper order shell, inner shell and dodge the groove, the light source board supports and leans on the interior bottom surface of inner shell, the fastener be connect in the screw of reference column one end, the screw will inner shell and shell lock solid in on the base, and with the light source board lock solid in on the interior bottom surface of inner shell.

Optionally, the light source board is electrically connected to the driving member through a connection line, and through holes for the connection line to pass through are respectively formed in corresponding positions of the outer shell and the inner shell.

Optionally, the inner bottom surface of shell is towards the protruding boss that is formed with of light-emitting end direction of shot-light, the one end of inner shell support lean on in the boss, the boss with form annular support between the inside wall of shell and lean on the face, the one end of base with support and lean on the face and hug closely.

Optionally, the abutting surface is provided with a plurality of heat dissipation holes at annular intervals, and the base is provided with through holes corresponding to the positions of the heat dissipation holes of the abutting surface respectively.

Optionally, the inner shell is provided with a first protruding ring extending from the periphery of one end of the inner shell away from the base, the outer shell is clamped with the first protruding ring, and the first protruding ring is provided with a plurality of heat dissipation holes at intervals.

Optionally, an annular step surface is formed at one end, far away from the base, of the inner side wall of the inner shell, a plurality of clamping holes are formed in the annular step surface at intervals, a plurality of clamping hooks are arranged on the periphery of the lens, the positions of the clamping hooks and the positions of the clamping holes are arranged in a one-to-one correspondence manner, the periphery of the lens abuts against the annular step surface, the hook portions of the clamping hooks are buckled in the corresponding clamping holes, and the lens is matched with the clamping holes in a buckled manner to realize assembly with the inner shell.

Optionally, the outer shell and the inner shell are both metal shells.

Optionally, the outer shell and the inner shell are both bowl-shaped as a whole.

The application provides a shot-light's beneficial effect lies in: compared with the prior art, this application shot-light, two inside and outside casings are adopted to the heat dissipation casing, the setting of interior casing has increased two cooling surfaces, the effective heat radiating area greatly increased of shot-light, the louvre has been seted up to the heat dissipation casing, the heat that driving piece and light source board sent distributes to the cavity between shell and the inner shell, in dispersing the air with the heat through the louvre, the light decay phenomenon that the heat accumulated in the inside of lamps and lanterns and leads to has been avoided, the product has good heat dispersion, product long service life.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a perspective view of a spotlight provided in an embodiment of the present application;

FIG. 2 is an exploded view of the spotlight of FIG. 1;

FIG. 3 is a cross-sectional view of the spotlight of FIG. 1;

FIG. 4 is another angular cross-sectional view of the lens removed from the spotlight of FIG. 1;

FIG. 5 is a perspective view of a base of the spotlight shown in FIG. 2;

FIG. 6 is a perspective view of the lens removed from the spotlight of FIG. 1;

FIG. 7 is an exploded view of the heat dissipation housing of the spotlight of FIG. 1;

fig. 8 is a cross-sectional view of a lens in the spotlight of fig. 2.

Wherein, in the figures, the respective reference numerals:

100-a base; 200-a driver; 300-a heat dissipation housing; 400-a light source board; 500-a lens; 101-a through hole; 110-card slot; 120-a locating post; 210-round needle; 220-a connecting line; 310-a housing; 320-an inner shell; 301-a chamber; 302-heat dissipation holes; 303-positioning holes; 304-perforating; 305-an abutment surface; 311-boss; 321-an annular step surface; 322-a clamping hole; 323-a first collar; 324-a flange; 410-a light source; 420-avoidance slot; 510-a light modulator; 501-a containing groove; 520-a second convex ring; 511-outer dimming member; 512-inner dimming member; 521-texture; 530-hook.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to fig. 3, a spotlight provided in an embodiment of the present application will be described. The spot lamp includes a base 100, a driving member 200, a heat dissipation case 300, a light source board 400 and a lens 500, and may be, but not limited to, an MR16 spot lamp. The base 100 is hollow, and the driving member 200 is disposed in the base 100, and the two are fixed with respect to each other, and can be clamped or other detachable assembling structures. The heat dissipation housing 300 includes an outer housing 310 disposed at one end of the base 100 and an inner housing 320 disposed in the outer housing 310, wherein the ends of the outer housing 310 and the inner housing 320 away from the base 100 have end openings, the other ends may be completely closed or semi-closed structures, and the outer housing 310 and the inner housing 320 may respectively adopt an integrally formed metal piece; a chamber 301 is enclosed between the outer casing 310 and the inner casing 320, i.e. there is a gap between the inner wall of the outer casing 310 and the outer wall of the inner casing 320. The light source board 400 is arranged in the inner casing 320 and electrically connected with the driving member 200, the light source board 400 is provided with a light source 410, and the light source 410 can be a plurality of LED lamp beads arranged at intervals. The lens 500 is disposed at an end of the heat dissipating housing 300 away from the base 100 and covers the end opening of the inner housing 320. The heat dissipation housing 300 is provided with heat dissipation holes 302, the number of the heat dissipation holes 302 can be set according to the actual application requirements, and the cavity 301 between the outer shell 310 and the inner shell 320 is communicated with the outside through the heat dissipation holes 302. The heat emitted by the driving member 200 and the light source board 400 is dissipated to the cavity 301 between the outer shell 310 and the inner shell 320, and the heat is dissipated to the air through the heat dissipation holes 302, so that the heat is prevented from being accumulated in the lamp, and the light attenuation phenomenon is generated too early to cause product damage.

The application provides a spotlight, compared with the prior art, two inside and outside casings are adopted to heat dissipation casing 300, the setting up of the internal casing 320 body has increased two cooling surfaces, the effective heat radiating area greatly increased of spotlight, heat dissipation hole 302 has been seted up to heat dissipation casing 300, the heat that driving piece 200 and light source board 400 sent distributes to the cavity 301 between shell 310 and the internal casing 320, in dispersing the air with the heat through heat dissipation hole 302, the light decay phenomenon that the heat leads to at the inside collection of lamps and lanterns has been avoided, the product has good heat dispersion, long service life of the product.

The inner wall of the inner case 320 may be attached with a dark coating layer, which may serve to increase the heat conductive performance of the heat dissipation case 300. The inner wall of the base 100 may be symmetrically provided with the slots 110, two opposite sides of the driving member 200 are respectively clamped in the slots 110 of the two sides, and the arrangement direction of the driving member 200 is parallel to the optical axis of the light source 410 of the spotlight. As shown in fig. 1 to 3, one end of the driving member 200 is provided with two round pins 210, the round pins 210 may be copper pins, one end of each round pin 210 passes through the base 100 and extends out of the base 100, and the round pins 210 may be electrically connected to an external power source.

In an embodiment, referring to fig. 4 to fig. 6, the base 100 is provided with positioning pillars 120, and the number of the positioning pillars 120 may be set according to actual requirements, such as two, three or more. The outer shell 310 and the inner shell 320 are respectively provided with a positioning hole 303 corresponding to the positioning column 120, the positioning column 120 is adapted to penetrate through the positioning holes 303 of the outer shell 310 and the inner shell 320, the positioning column 120 is connected with a fastening piece, and the outer shell 310 and the inner shell 320 are assembled and fixed at one end of the base 100 through the fastening piece. During assembly, the inner housing 320 is placed in the outer housing 310 to form the heat dissipation housing 300, and then aligned with the positioning posts 120 of the base 100, and then the heat dissipation housing 300 is fixed on the base 100 by using the fastening members.

In an embodiment, referring to fig. 2, 4 and 6, the light source board 400 is provided with an avoiding groove 420 for the positioning posts 120 to be inserted into, respectively, at positions corresponding to the positioning posts 120, the positioning posts 120 sequentially pass through the outer shell 310, the inner shell 320 and the avoiding groove 420, the light source board 400 abuts against the inner bottom surface of the inner shell 320, and the fastening member is a screw (not shown), that is, one end of the positioning post 120 is connected with a screw, the screw locks the inner shell 320 and the outer shell 310 on the base 100, and locks the light source board 400 on the inner bottom surface of the inner shell 320. The surface of the light source board 400 provided with the light source 410 and the end surface of the positioning column 120 can be flush, so that the light source board 400, the inner shell 320 and the outer shell 310 can be easily locked after the screws are screwed down.

In an embodiment, the light source board 400 is electrically connected to the driving member 200 through a connection line 220, and the corresponding positions of the outer shell 310 and the inner shell 320 are respectively provided with through holes 304 for the connection line 220 to pass through. As shown in fig. 3 and 7, two rectangular through holes 304 are respectively formed at corresponding positions of the outer shell 310 and the inner shell 320, and the two connection wires 220 of the driving member 200 respectively penetrate through the corresponding through holes 304 to be electrically connected to the light source board 400.

In an embodiment, referring to fig. 3, 6 and 7, a first protruding ring 323 is formed by extending a periphery of an end of the inner casing 320 away from the base 100, the outer casing 310 is clamped with the first protruding ring 323, and a plurality of heat dissipation holes 302 are circumferentially spaced on the first protruding ring 323. In one embodiment, the first protruding ring 323 protrudes and extends from the base 100 to form an annular blocking edge 324, the blocking edge 324 and the outer sidewall of the inner casing 320 form an annular groove therebetween, and the end of the outer casing 310 having the end face opening is clamped in the annular groove, so that after the components are assembled, the lens 500 and the inner casing 320 together cover the end face opening of the outer casing 310; the first convex ring 323 is circumferentially and uniformly provided with 5 heat dissipation holes 302 at intervals, and each heat dissipation hole 302 is an arc-shaped hole.

In an embodiment, referring to fig. 3, 4 and 7, a boss 311 is formed on the inner bottom surface of the outer shell 310 protruding toward the light-emitting end of the spotlight, one end of the inner shell 320 abuts against the boss 311, the cross-sectional area of the boss 311 is smaller than the cross-sectional area of the closed end of the inner shell 320, that is, a portion of the periphery of the inner shell 320 near one end of the base 100 protrudes relative to the boss 311, and the protruding region is provided with a positioning hole 303 for the positioning post 120 to pass through; an annular abutting surface 305 is formed between the boss 311 and the inner side wall of the housing 310, and one end of the base 100 is abutted against the abutting surface 305. The abutting surface 305 may be formed with a circular positioning hole 303, as shown in fig. 7, two opposite sides of the abutting surface 305 are respectively formed with a circular positioning hole 303 for the two positioning pillars 120 of the base 100 to pass through; two through holes 304 for passing the connection line 220 are spaced apart from each other on the boss 311.

In an embodiment, referring to fig. 1, 3 and 7, the abutting surface 305 is provided with a plurality of heat dissipation holes 302 at intervals in a ring shape, and the base 100 is provided with through holes 101 at positions corresponding to the heat dissipation holes 302 of the abutting surface 305, respectively, so that the external air can exchange with the air in the cavity 301 through the through holes 101 and the heat dissipation holes 302 of the abutting surface 305. Referring to fig. 1 and 7, in one embodiment, the base 100 is provided with 4 arc holes at regular intervals, the abutting surface 305 of the housing 310 is provided with 4 arc holes at regular intervals, and the arc holes of the base 100 and the abutting surface 305 are matched in shape and size; the first bosses 311 of the inner casing 320 are circumferentially provided with 5 arc-shaped holes at regular intervals. The inner casing 320 and the outer casing 310 can both adopt aluminum casings, and after the integral assembly, air can enter the cavity 301 between the two heat dissipation aluminum casings through the arc-shaped hole at the top and the arc-shaped hole at the bottom, so that the heat dissipation efficiency can be effectively improved. The inner wall of the base 100 can be formed with a convex rib at the periphery of the through hole 101, the convex rib abuts against the abutting surface 305, and the structural strength of the base 100 can be improved by the arrangement of the convex rib.

In an embodiment, the outer casing 310 and the inner casing 320 are both metal casings, and the metal casings may be, but are not limited to, aluminum casings, and may also be made of other metal materials with good heat dissipation performance. Most of radiating pieces used by the traditional spot lamp are integrally formed or formed by plastic-coated aluminum, and more risks difficult to control exist in the manufacturing process, for example, aluminum leakage occurs in the plastic-coated aluminum radiating pieces, and the product quality is difficult to control; in this embodiment, the heat dissipation shell adopts two inner and outer aluminum parts, and the product quality is easily controlled, and the product yield is high.

In an embodiment, referring to fig. 1 and 3, the outer casing 310 and the inner casing 320 are both bowl-shaped, the large diameter end of the heat dissipation casing 300 is a light emitting end, one end of the base 100 is matched with the shape and contour of one end of the outer casing 310, and after assembly, the joint of the outer side walls of the base 100 and the outer casing 310 is in smooth transition.

In an embodiment, referring to fig. 1 and 3, an annular step surface 321 is formed at one end of the inner side wall of the inner housing 320 far away from the base 100, a plurality of fastening holes 322 are circumferentially spaced on the annular step surface 321, a plurality of fastening hooks 530 are arranged on the periphery of the lens 500, the positions of the fastening hooks 530 and the positions of the fastening holes 322 are arranged in a one-to-one correspondence manner, the periphery of the lens 500 abuts against the annular step surface 321, the hook portions of the fastening hooks 530 are fastened in the corresponding fastening holes 322, and the lens 500 is assembled with the inner housing 320 by fastening and matching the fastening hooks 530 and the fastening holes 322, that is, a detachable assembly structure is formed between the lens 500 and the inner housing 320.

In an embodiment, referring to fig. 2, fig. 3 and fig. 8, the lens 500 includes a light-adjusting body 510 mounted in a bowl cup, and a front end surface of the light-adjusting body 510 is a light-emitting surface. The light adjuster 510 comprises an inner light adjuster 512 and an outer light adjuster 511, both of which are bowl-shaped, the inner light adjuster 512 is arranged in the outer light adjuster 511, the rear end of the inner light adjuster 512 is provided with a containing groove 501, the containing groove 501 is opposite to the light source 410 on the light source board 400, after assembly, the light source 410 can be contained in the containing groove 501, so that more light emitted by the light source 410 can enter the light adjuster 510, and the light emitted by the light source 410 can improve the light utilization rate after the light adjuster 510 adjusts the light.

The bottom surface of the containing groove 501 is a spherical surface with a convex middle portion toward the light source 410, and the bottom surface is provided with a diffusion structure for uniformly diffusing light, such as a fish scale structure, and the diffusion structure is arranged, so that the emitted light can be more uniformly mixed.

The front end periphery of the outer light adjusting piece 511 is outwards protruded and extended to form a second convex ring 520, a plurality of grains 521 are arranged on the side face, far away from the light emitting side, of the second convex ring 520, and the grains 521 can play a good light reflecting role. The second convex ring 520 is circumferentially and uniformly provided with a plurality of hooks 530 at intervals, the hooks 530 correspond to the positions of the clamping holes 322 of the inner shell 320 one by one, the second convex ring 520 abuts against the annular step surface 321, and the lens 500 is assembled with the inner shell 320 by the clamping of the hooks 530 and the clamping holes 322; when the lens 500 is assembled in the inner casing 320, the light-emitting surface of the lens 500 is flush with the end surface of the first convex ring 323 of the inner casing 320. It is understood that the light-adjusting member of the lens 500 may have other structures with light-adjusting function.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A spot lamp is characterized in that: the method comprises the following steps:

a base;

the driving piece is arranged in the base;

the heat dissipation shell comprises an outer shell arranged at one end of the base and an inner shell arranged in the outer shell, end face openings are formed in the ends, far away from the base, of the outer shell and the inner shell, a cavity is defined between the outer shell and the inner shell, heat dissipation holes are formed in the heat dissipation shell, and the cavity is communicated with the outside through the heat dissipation holes;

the light source plate is arranged in the inner shell and is electrically connected with the driving piece;

and the lens is arranged at one end of the heat dissipation shell, which is far away from the base, and covers the end surface opening of the inner shell.

2. The spot light of claim 1, wherein: the base is provided with a positioning column, positioning holes are respectively formed in the positions, corresponding to the positioning column, of the outer shell and the inner shell, the positioning column is matched with the positioning holes of the outer shell and the inner shell in a penetrating mode, the positioning column is connected with a fastening piece, and the outer shell and the inner shell are assembled and fixed at one end of the base through the fastening piece.

3. The spot light of claim 2, wherein: the light source board corresponds each the position of reference column is seted up respectively and is supplied the reference column to put into dodge the groove, the reference column passes in proper order shell, inner shell and dodge the groove, the light source board supports and leans on the interior bottom surface of inner shell, the fastener be connect in the screw of reference column one end, the screw will inner shell and shell lock solid in on the base, and will the light source board lock solid in on the interior bottom surface of inner shell.

4. A spotlight as claimed in claim 3 wherein: the light source board is electrically connected with the driving piece through a connecting line, and the corresponding positions of the outer shell and the inner shell are respectively provided with a through hole for the connecting line to pass through.

5. The spot light of claim 1, wherein: the inner bottom surface of shell court the light-emitting end direction protrusion of shot-light is formed with the boss, the one end of inner shell support lean on in on the boss, the boss with form annular support between the inside wall of shell and lean on the face, the one end of base with support and hug closely by the face.

6. The spot light of claim 5, wherein: the abutting surface is provided with a plurality of heat dissipation holes at annular intervals, and the base is provided with through holes corresponding to the positions of the heat dissipation holes of the abutting surface respectively.

7. A reflector lamp as claimed in any one of claims 1 to 6, wherein: the periphery of one end of the inner shell, which is far away from the base, extends to form a first convex ring, the outer shell is clamped with the first convex ring, and a plurality of heat dissipation holes are formed in the first convex ring at intervals.

8. A reflector lamp as claimed in any one of claims 1 to 6, wherein: the inner shell inner side wall is kept away from the one end of base is formed with annular step face, a plurality of card holes have been seted up to annular step face hoop interval, the periphery of lens is equipped with a plurality of pothooks, each the position of pothook with each the position one-to-one setting in card hole, the periphery of lens support lean on in on the annular step face, the hook portion lock joint of pothook in corresponding in the card hole, lens pass through the pothook with the lock joint cooperation in card hole realize with the assembly of inner shell.

9. A reflector lamp as claimed in any one of claims 1 to 6, wherein: the outer shell and the inner shell are both metal shells.

10. A reflector lamp as claimed in any one of claims 1 to 6, wherein: the outer shell and the inner shell are bowl-shaped integrally.

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