CN209944072U

CN209944072U - Projection lamp

Info

Publication number: CN209944072U
Application number: CN201920573633.XU
Authority: CN
Inventors: 沈斌
Original assignee: Jiangmen Ike Lighting Technology Co Ltd
Current assignee: Guangdong Aike Lighting Technology Co ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-01-14
Anticipated expiration: 2029-04-24

Abstract

The utility model provides a projection lamp, including lamp body, reflection of light cup, a panel, lamp pearl board, fin and drive power supply, panel and lamp body cooperation sealing connection, and be formed with the first cavity that is used for placing lamp pearl board on the upper portion and be used for placing drive power supply on the lower part, first cavity and second cavity intercommunication, reflection of light cup sets up between lamp pearl board and panel, be equipped with the air vent that communicates the cavity of reflection of light cup with the cavity of lamp body on the lamp pearl board, be equipped with a plurality of exhaust holes that communicate with the external world on the back of lamp body, be equipped with the one-way ventilation subassembly that can discharge the hot-air inside the projection lamp to the external world in the exhaust hole, the fin sets up in the outside of lamp body; adopt the utility model discloses, have the advantage that heat dispersion is good, long service life.

Description

Projection lamp

Technical Field

The utility model relates to a projecting lamp technical field especially relates to a projecting lamp.

Background

At present, the projecting lamp is often applied to outdoor lighting, it is higher to the luminance requirement, often adopt powerful LED chip, the event can produce a large amount of heats, but current projecting lamp almost all is full seal structure, heat dispersion is poor, because luminous efficiency and the luminous quality of projecting lamp can descend along with the rising of the temperature of lamp pearl, if not in time heat dissipation, can make the core component work in high temperature environment for a long time, will seriously influence the normal work of projecting lamp, accelerate the ageing speed of core component, the life of projecting lamp has been shortened widely.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a projecting lamp that heat dispersion is good, long service life is provided.

In order to solve the technical problem, the utility model provides a pair of projecting lamp, it includes lamp body, reflection of light cup, panel, lamp pearl board, fin and drive power supply, the panel with lamp body cooperation sealing connection to be formed with and be located upper portion and be used for placing the first cavity of lamp pearl board is used for placing with being located the lower part drive power supply's second cavity, first cavity with second cavity intercommunication, reflection of light cup sets up lamp pearl board with between the panel, be equipped with on the lamp pearl board a plurality ofly will reflection of light cup's cavity with the air vent of the cavity intercommunication of lamp body, be equipped with a plurality of exhaust holes with external intercommunication on the back of lamp body, exhaust downthehole one-way ventilation subassembly that can discharge the inside hot-air of projecting lamp to the external world that is equipped with, the fin set up in the outside of lamp body.

As the utility model discloses preferred scheme, one-way subassembly of ventilating includes hollow adjusting nut and end cap, the exhaust hole is equipped with big cylinder hole, taper hole and the small circle post hole of mutual intercommunication from outer to interior in proper order, hollow adjusting nut with big cylinder hole threaded connection, end cap movably sets up in the taper hole, the end cap with be equipped with compression spring between the hollow adjusting nut, the end cap is in under compression spring's the effect with the sealed cooperation of inner wall in taper hole.

As a preferred aspect of the present invention, the heat sink includes vertical heat sinks, the vertical heat sinks are provided with a plurality of and spaced uniformly on the upper surface, the lower surface and the back surface of the lamp housing, and are outwardly protruding in a sheet shape, and every two adjacent vertical heat sinks form a vertical heat sink therebetween, and the exhaust holes are located in the vertical heat sinks.

As the utility model discloses preferred scheme, the fin includes horizontal fin, horizontal fin interval sets up evenly the left surface and the right flank of lamp body, every two is adjacent form a horizontal radiating groove between the horizontal fin.

As the preferred scheme of the utility model, evenly distributed has the bellied reflection of light scale of arc on the reflection curved surface of reflection of light cup.

As the utility model discloses preferred scheme, the left surface and the right flank of lamp body are the inclined plane.

As the utility model discloses preferred scheme, be equipped with the lamp pearl group that is the matrix arrangement on the lamp pearl board, every row or every row be parallel connection between the lamp pearl, with one row or same row in the lamp pearl, the lamp pearl that the sequence is the even number is the lamp pearl parallel connection of odd number with the sequence.

As the utility model discloses preferred scheme, the edge all around of anti-light cup is equipped with the constant head tank, the lamp body be equipped with constant head tank complex reference column.

As the utility model discloses preferred scheme, the edge all around of lamp body is equipped with outside bellied first seal groove, the panel be equipped with first seal groove shape complex second seal groove, be equipped with the sealing washer between first seal groove and the second seal groove.

As the utility model discloses preferred scheme still includes the fixed bolster, the lamp body can rotate from top to bottom to be connected with adjusting on the fixed bolster.

Implement the utility model discloses a projecting lamp compares with prior art, has following beneficial effect:

when the one-way ventilating device works, the lamp beads emit light to enable the temperature in the cavity to be continuously raised, the pressure in the cavity is gradually increased until the pressure can overcome resistance to move the one-way ventilating component outwards, so that the air exhausting holes are opened, the heat in the cavity is exhausted to the outside, the temperature in the cavity is reduced, and the heat radiating performance is improved; in addition, through the setting of fin, enable lamp pearl board and drive power supply's heat transfer to fin, during the heat of fin transmits the air again, such design has increased heat radiating area, can further accelerate the radiating rate, reduces the temperature in the cavity, improves heat dispersion, prolongs the life of projecting lamp.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.

Fig. 1 is a front view of a projector provided by the present invention;

fig. 2 is a rear view of a projector provided by the present invention;

fig. 3 is a cross-sectional view of a projector provided by the present invention;

FIG. 4 is a schematic diagram of the structure of region I in FIG. 1;

FIG. 5 is a schematic view of the installation of the seal ring;

the labels in the figure are: the lamp comprises a lamp shell 1, a reflecting cup 2, a panel 3, a lamp bead plate 4, radiating fins 5, a driving power supply 6, vent holes 7, vent holes 8, a hollow adjusting nut 9, a plug 10, a large cylindrical hole 11, a taper hole 12, a small cylindrical hole 13, a compression spring 14, vertical radiating fins 15, vertical radiating fins 16, transverse radiating fins 17, transverse radiating fins 18, a first sealing groove 19, a second sealing groove 20, a sealing ring 21, a fixing support 22, a positioning groove 23 and a positioning column 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 3, the utility model provides a preferred embodiment of a projection lamp, it includes lamp body 1, reflection of light cup 2, panel 3, lamp pearl board 4, fin 5 and drive power supply 6, panel 3 with lamp body 1 cooperation sealing connection, and be formed with the first cavity that is located upper portion and is used for placing lamp pearl board 4 and the second cavity that is located the lower part and is used for placing drive power supply 6, first cavity and the second cavity intercommunication, reflection of light cup 2 sets up between lamp pearl board 4 and panel 3, be equipped with a plurality of air vents 7 with the cavity of reflection of light cup 2 with the cavity of lamp body 1 intercommunication on lamp pearl board 4, make things convenient for the heat of the cavity of reflection of light cup 2 to enter the cavity of lamp body 1 through air vent 7, and discharge from exhaust hole 8; a plurality of exhaust holes 8 communicated with the outside are formed in the back of the lamp shell 1, a one-way ventilation assembly capable of exhausting hot air in the projection lamp to the outside is arranged in each exhaust hole 8, and the radiating fins 5 are arranged outside the lamp shell 1; it should be further noted that the peripheral edge of the reflective cup 2 is provided with positioning grooves 23, and the lamp housing 1 is provided with positioning columns 24 which are matched with the positioning grooves 23, so that the reflective cup 2 is convenient to mount.

When the one-way ventilating device works, the lamp beads emit light to enable the temperature in the cavity to be continuously raised, the pressure in the cavity is gradually increased until the pressure can overcome resistance to move the one-way ventilating component outwards, the exhaust holes 8 are opened, and therefore the heat in the cavity is exhausted to the outside, the temperature in the cavity is lowered, and the heat radiating performance is improved; in addition, through the setting of fin 5, enable the heat transfer of lamp pearl board 4 and drive power supply 6 to fin 5, during the heat of fin 5 transmits the air again, such design has increased heat radiating area, can further accelerate the radiating rate, reduces the temperature in the cavity, improves heat dispersion, prolongs the life of projecting lamp.

Exemplarily, as shown in fig. 4, the unidirectional ventilation assembly includes a hollow adjusting nut 9 and a plug 10, the exhaust hole 8 is sequentially provided with a large cylindrical hole 11, a tapered hole 12 and a small cylindrical hole 13 which are communicated with each other from outside to inside, the hollow adjusting nut 9 is in threaded connection with the large cylindrical hole 11, the plug 10 is movably disposed in the tapered hole 12, a compression spring 14 is disposed between the plug 10 and the hollow adjusting nut 9, and the plug 10 is in sealing fit with an inner wall of the tapered hole 12 under the action of the compression spring 14; when the plug-in type LED lamp works, the lamp beads emit light to enable the temperature in the cavity to be increased continuously, the pressure in the cavity is increased gradually until the plug 10 can be pushed away outwards by overcoming the elasticity of the spring, the plug 10 is enabled to leave the taper hole 12, and therefore the heat in the cavity can be exhausted to the outside; when the projecting lamp was closed, the pressure in the cavity reduced gradually, and at this moment, external pressure is greater than the pressure in the cavity, and end cap 10 resets under the effect of spring, thereby prevents in the external heat entering cavity with the drill way shutoff of small circle post hole 13, improves sealing performance.

Illustratively, the radiating fins 5 comprise vertical radiating fins 15, the vertical radiating fins 15 are provided with a plurality of fins which are uniformly arranged on the upper surface, the lower surface and the back surface of the lamp housing 1 at intervals, and are outwardly protruded in a sheet shape, a vertical radiating groove 16 is formed between every two adjacent vertical radiating fins 15, and the exhaust holes 8 are located in the vertical radiating grooves 16; from this, through vertical fin 15's setting, enable the heat transfer of lamp pearl board 4 to vertical fin 15, during vertical fin 15's heat retransferred the air, increased heat radiating area, and because the hot-air is that the upward movement gives off, the vertical fin 15 of vertical direction setting has further accelerated the radiating rate, and simultaneously, vertical radiating groove 16 can divide the heat storage volume, can prevent to lead to the fact damage, increase of service life to the projecting lamp because the heat is concentrated.

Illustratively, the heat dissipation fins 5 comprise transverse heat dissipation fins 17, the transverse heat dissipation fins 17 are arranged on the left side surface and the right side surface of the lamp housing 1 at even intervals, and a transverse heat dissipation groove 18 is formed between every two adjacent transverse heat dissipation fins 17; from this, through the setting of horizontal fin 17, enable the heat transfer of lamp pearl board 4 to horizontal fin 17, during the heat of horizontal fin 17 is transfered the air again, increased heat radiating area for the radiating rate, simultaneously, horizontal radiating groove 18 can divide the heat storage volume, can prevent to lead to the fact damage increase of service life to the projecting lamp because the heat is concentrated.

Illustratively, the reflecting curved surface of the reflecting cup 2 is uniformly distributed with arc-shaped convex reflecting scales; the design can fully reflect and diffuse light, improve the light-emitting rate, improve the illumination brightness, reduce the dazzling effect and play a role in preventing glare.

Illustratively, the left side surface and the right side surface of the lamp housing 1 are both inclined surfaces, so that the wind resistance is reduced.

Illustratively, the lamp bead plate 4 is provided with a lamp bead group arranged in a matrix, each row or each column of the lamp beads are connected in parallel, and in the same row or the same column of the lamp beads, the lamp beads with even number in sequence are connected in parallel with the lamp beads with odd number in sequence; from this, when can effectively prevent a lamp pearl inefficacy, arouse simultaneously to be located the lamp pearl inefficacy of same one row or same row and arouse all lamp pearls to become invalid even, and cause the appearance of light source dark space, make the light source of lamp pearl distribute more rationally and even, improved the result of use and the user experience of lamps and lanterns greatly.

Exemplarily, the periphery of the reflective cup 2 is provided with positioning grooves, and the lamp housing 1 is provided with positioning columns matched with the positioning grooves, so that the reflective cup 2 is convenient to install.

For example, as shown in fig. 5, a first sealing groove 19 protruding outward is formed at the peripheral edge of the lamp housing 1, a second sealing groove 20 matched with the first sealing groove 19 in shape is formed in the panel 3, and a sealing ring 21 is arranged between the first sealing groove 19 and the second sealing groove 20; due to the design, water can be effectively prevented from entering the projection lamp from the gap between the sealing groove and the panel 3, the sealing performance is improved, and the service life is prolonged; in addition, a closed cavity is formed by matching the first sealing groove 19 and the second sealing groove 20, and the sealing ring 21 can be in interference fit with the cavity when being extruded, so that the sealing performance of the projection lamp is further improved.

Exemplarily, the projection lamp further comprises a fixing support 22, and the lamp housing 1 can be connected to the fixing support 22 in an up-and-down rotating and adjusting manner, so that the projection lamp is convenient to mount and fix.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.

Claims

1. The utility model provides a projection lamp, its characterized in that, includes lamp body, reflection of light cup, panel, lamp pearl board, fin and drive power supply, the panel with lamp body cooperation sealing connection to be formed with and be located upper portion and be used for placing the first cavity of lamp pearl board and be located the lower part and be used for placing drive power supply's second cavity, first cavity with second cavity intercommunication, reflection of light cup sets up lamp pearl board with between the panel, be equipped with a plurality of will on the lamp pearl board reflection of light cup's cavity with the air vent of the cavity intercommunication of lamp body, be equipped with a plurality of exhaust holes with external intercommunication on the back of lamp body, it can be with the inside outside exhaust one-way subassembly of ventilating of hot-air of projection lamp to be equipped with in the exhaust hole, the fin set up in the outside of lamp body.

2. The light projector as claimed in claim 1, wherein the one-way ventilation assembly comprises a hollow adjusting nut and a plug, the exhaust hole is sequentially provided with a large cylindrical hole, a tapered hole and a small cylindrical hole which are communicated with each other from outside to inside, the hollow adjusting nut is in threaded connection with the large cylindrical hole, the plug is movably arranged in the tapered hole, a compression spring is arranged between the plug and the hollow adjusting nut, and the plug is in sealing fit with the inner wall of the tapered hole under the action of the compression spring.

3. The projector lamp as claimed in claim 1, wherein the heat sink includes a plurality of vertical heat sinks, the vertical heat sinks are uniformly arranged on the upper surface, the lower surface and the back surface of the lamp housing at intervals and are outwardly protruded in a sheet shape, a vertical heat sink is formed between every two adjacent vertical heat sinks, and the exhaust holes are located in the vertical heat sinks.

4. The projector of claim 1 wherein said fins comprise lateral fins spaced evenly on the left and right sides of said housing, each lateral fin defining a lateral slot therebetween.

5. The light projector of claim 1 wherein the curved reflective surface of the reflector cup has a plurality of reflective scales with curved protrusions distributed uniformly thereon.

6. The light projector of claim 1 wherein the left and right sides of the housing are beveled.

7. The light projector according to claim 1, wherein the light bulb board is provided with a plurality of light bulb sets arranged in a matrix, each row or each column of the light bulbs are connected in parallel, and in the same row or the same column of the light bulbs, the light bulbs with even number in sequence are connected in parallel with the light bulbs with odd number in sequence.

8. The projector as defined in claim 1, wherein the reflector has positioning grooves formed on the peripheral edge thereof, and the lamp housing has positioning posts engaged with the positioning grooves.

9. The projector as claimed in claim 1, wherein a first sealing groove is formed at a peripheral edge of the lamp housing, the first sealing groove protrudes outward, the panel is provided with a second sealing groove which is matched with the first sealing groove in shape, and a sealing ring is disposed between the first sealing groove and the second sealing groove.

10. The projector of claim 1 further comprising a mounting bracket to which said lamp housing is rotatably adjustably attached.