CN210373007U

CN210373007U - Heat extraction formula projecting lamp

Info

Publication number: CN210373007U
Application number: CN201920571316.4U
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: 2020-04-21
Anticipated expiration: 2029-04-24

Abstract

The utility model provides a heat extraction formula projecting lamp, including the lamp body, the 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 upper portion and be located the second cavity that the lower part is used for placing drive power supply, first cavity and second cavity intercommunication, the 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 element that can discharge the hot-air inside the projecting lamp to the external world in the exhaust hole, be provided with the fan in the lamp body, the side of inhaling of fan communicates with first cavity and second cavity, the side of airing exhaust of fan communicates; adopt the utility model discloses, have the advantage that heat dispersion is good, long service life.

Description

Heat extraction formula projecting lamp

Technical Field

The utility model relates to a projecting lamp technical field especially relates to a heat extraction formula 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 heat extraction formula projecting lamp that heat dispersion is good, long service life is provided.

In order to solve the technical problem, the utility model provides a heat-extraction type projection lamp, which comprises a lamp shell, a reflecting cup, a panel, a lamp bead plate, a radiating fin and a driving power supply, wherein the panel is matched and sealed with the lamp shell, and is provided with a first cavity which is arranged at the upper part and used for placing the lamp bead plate and a second cavity which is arranged at the lower part and used for placing the driving power supply, the first cavity is communicated with the second cavity, the reflecting cup is arranged between the lamp bead plate and the panel, the lamp bead plate is provided with a plurality of air vents which are used for communicating the cavity of the reflecting cup with the cavity of the lamp shell, the back of the lamp shell is provided with a plurality of exhaust holes communicated with the outside, the exhaust holes are internally provided with one-way ventilation elements which can exhaust hot air inside the projection lamp to the outside, the lamp shell is internally provided with a fan, the air suction side of the fan is communicated with the, the exhaust side of the fan is communicated with the exhaust hole, and the radiating fin is arranged outside the lamp shell.

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 heat extraction formula projecting lamp compares with prior art, has following beneficial effect:

when the air-cooling type air conditioner works, the temperature in the cavity is continuously raised due to the fact that the lamp beads emit light, the pressure in the cavity is gradually increased until the pressure can overcome resistance to move the one-way ventilating element outwards, the exhaust holes are opened, and therefore hot air in the cavity is exhausted to the outside, the temperature in the cavity is lowered, the heat dissipation performance is improved, and the speed of exhausting the hot air in the cavity to the outside can be accelerated due to the arrangement of the fan; 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 heat-exhausting type projector provided by the present invention;

fig. 2 is a rear view of the heat-extraction type projector provided by the present invention;

fig. 3 is a cross-sectional view of a heat-extraction type 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 fan 9, a positioning groove 10, a positioning column 11, a hollow adjusting nut 12, a plug 13, a large cylindrical hole 14, a tapered hole 15, a small cylindrical hole 16, a compression spring 17, a vertical radiating fin 18, a vertical radiating fin 19, a horizontal radiating fin 20, a horizontal radiating fin 21, a fixing support 22, a first sealing groove 23, a second sealing groove 24 and a sealing ring 25.

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, the present invention provides a preferred embodiment of a heat-extraction type projection lamp, which comprises a lamp housing 1, a reflective cup 2, a panel 3, a lamp bead plate 4, a heat sink 5 and a driving power supply 6, wherein the panel 3 and the lamp housing 1 are in a sealing connection in a matching manner, and are formed with a first cavity located at the upper portion for placing the lamp bead plate 4 and a second cavity located at the lower portion for placing the driving power supply 6, the first cavity is communicated with the second cavity, the reflective cup 2 is disposed between the lamp bead plate 4 and the panel 3, the lamp bead plate 4 is provided with a plurality of vent holes 7 for communicating the cavity of the reflective cup 2 with the cavity of the lamp housing 1, so that heat in the cavity of the reflective cup 2 can enter the cavity of the lamp housing 1 through the vent holes 7, the back of the lamp housing 1 is provided with a plurality of vent holes 8 communicated with the outside, the vent holes 8 are provided with one-way ventilation elements capable of exhausting hot air inside the projection lamp to the, the lamp casing 1 is internally provided with a fan 9, the air suction side of the fan 9 is communicated with the first cavity and the second cavity, the air exhaust side of the fan 9 is communicated with the exhaust hole 8, and the radiating fin 5 is arranged outside the lamp casing 1.

When the air-cooling type air conditioner 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 pressure can overcome resistance to move the one-way ventilating element outwards, the exhaust holes 8 are opened, hot air in the cavity is exhausted to the outside, the temperature in the cavity is reduced, the heat dissipation performance is improved, and the fan 9 can accelerate the speed of exhausting the hot air in the cavity to the outside; 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.

Illustratively, the one-way ventilation assembly comprises a hollow adjusting nut 12 and a plug 13, the exhaust hole 8 is sequentially provided with a large cylindrical hole 14, a tapered hole 15 and a small cylindrical hole 16 which are communicated with each other from outside to inside, the hollow adjusting nut 12 is in threaded connection with the large cylindrical hole 14, the plug 13 is movably arranged in the tapered hole 15, a compression spring 17 is arranged between the plug 13 and the hollow adjusting nut 12, and the plug 13 is in sealing fit with the inner wall of the tapered hole 15 under the action of the compression spring 17; therefore, when the lamp is in work, the temperature in the cavity is continuously raised due to the light emission of the lamp beads, the pressure in the cavity is gradually increased until the elastic force of the compression spring 17 can be overcome to push the plug 13 outwards, so that the plug 13 is separated from the taper hole 15, and the heat in the cavity can be discharged 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 13 resets under compression spring 17's effect, thereby prevents in the external heat entering cavity with the drill way shutoff of taper hole 15, improves sealing performance.

Illustratively, the heat dissipation fins 5 comprise vertical heat dissipation fins 18, the vertical heat dissipation fins 18 are provided with a plurality of fins which are uniformly arranged at intervals on the upper surface, the lower surface and the back surface of the lamp housing 1 and are outwardly convex in a sheet shape, a vertical heat dissipation groove 19 is formed between every two adjacent vertical heat dissipation fins 18, and the exhaust holes 8 are located in the vertical heat dissipation grooves 19; from this, through vertical fin 18's setting, enable the heat transfer of lamp pearl board 4 to vertical fin 18, during vertical fin 18's heat retransferred the air, increased heat radiating area, and because the hot-air is that the upward movement gives off, the vertical fin 18 of vertical direction setting has further accelerated the radiating rate, and simultaneously, vertical radiating groove 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 20, the transverse heat dissipation fins 20 are arranged at equal intervals on the left side and the right side of the lamp housing 1, and a transverse heat dissipation groove 21 is formed between every two adjacent transverse heat dissipation fins 20; from this, through the setting of horizontal fin 20, enable the heat transfer of lamp pearl board 4 to horizontal fin 20, during the heat of horizontal fin 20 is transfered the air again, increased heat radiating area for the radiating rate, simultaneously, horizontal radiating groove 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, so that light rays are fully reflected and diffusely reflected, the light-emitting rate is improved, the illumination brightness is improved, the glare effect is reduced, and the anti-glare effect is achieved.

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; such design can effectively prevent when a lamp pearl became invalid, arouse simultaneously that the lamp pearl that is located same row of lamp pearl group became invalid 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 evenly, improved the result of use and the user experience of lamps and lanterns greatly.

Exemplarily, the peripheral edge of the reflective cup 2 is provided with a positioning groove 10, and the lamp housing 1 is provided with a positioning column 11 matched with the positioning groove 10, so that the reflective cup 2 is convenient to install.

Exemplarily, the edge all around of lamp body 1 is equipped with outside bellied first seal groove 23, panel 3 be equipped with first seal groove 23 shape fit's second seal groove 24, be equipped with sealing washer 25 between first seal groove 23 and the second seal groove 24, prevent that water from getting into the projecting lamp from the clearance between seal groove and the panel 3 inside, increase sealing performance, increase of service life, it still needs to explain that, form a closed cavity through the cooperation of first seal groove 23 and second seal groove 24, sealing washer 25 can with cavity interference fit when being extrudeed, further improved the sealing performance of projecting lamp.

Exemplarily, the lamp housing 1 further comprises a fixing bracket 22, and the lamp housing 1 is connected to the fixing bracket 22 in a vertically rotatable and adjustable manner, so that the installation and fixation are facilitated.

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. A heat-extraction type projection lamp is characterized by comprising a lamp shell, a reflecting cup, a panel, a lamp bead plate, a radiating fin and a driving power supply, wherein the panel is matched and hermetically connected with the lamp shell, a first cavity which is positioned at the upper part and used for placing the lamp bead plate and a second cavity which is positioned at the lower part and used for placing the driving power supply are formed, the first cavity is communicated with the second cavity, the reflecting cup is arranged between the lamp bead plate and the panel, the lamp bead plate is provided with a plurality of vent holes which are used for communicating the cavity of the reflecting cup with the cavity of the lamp shell, the back of the lamp shell is provided with a plurality of exhaust holes communicated with the outside, a one-way ventilating element which can discharge hot air in the projection lamp to the outside is arranged in each exhaust hole, a fan is arranged in the lamp shell, and the air suction side of the fan is communicated with the first cavity and the, the exhaust side of fan with exhaust hole intercommunication, the fin set up in the outside of lamp body, the fin includes vertical fin, vertical fin is equipped with a plurality ofly and the interval sets up uniformly the upper surface, the lower surface and the back of lamp body, and is the slice and outwards protruding, and per two are adjacent form a vertical radiating groove between the vertical fin, the exhaust hole is located in the vertical radiating groove, the fin includes horizontal fin, horizontal fin interval sets up uniformly the left surface and the right flank of lamp body, per two are adjacent form a horizontal radiating groove between the horizontal fin.

2. The heat-extraction type projection lamp according to 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 heat-exhausting type light projector as claimed in claim 1, wherein the curved reflecting surface of the reflector cup is uniformly distributed with arc-shaped convex reflecting scales.

4. The heat exhausting floodlight of claim 1, wherein both the left side and the right side of the lamp housing are beveled.

5. The heat-extraction type projection lamp of claim 1, wherein the lamp bead plate 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.

6. The heat-exhausting type light projector as claimed in claim 1, wherein the reflector cup is provided with positioning grooves at the peripheral edge thereof, and the lamp housing is provided with positioning posts which are engaged with the positioning grooves.

7. The heat exhausting type spot light of claim 1, wherein a first sealing groove protruding outwards is formed at a peripheral edge of the lamp housing, the panel is provided with a second sealing groove matched with the first sealing groove in shape, and a sealing ring is arranged between the first sealing groove and the second sealing groove.

8. The heat exhaust type light projector according to claim 1, further comprising a fixing bracket, wherein the lamp housing is rotatably and adjustably attached to the fixing bracket.