CN214332640U

CN214332640U - Heat dissipation device and lamp

Info

Publication number: CN214332640U
Application number: CN202120433754.1U
Authority: CN
Inventors: 叶保玉
Original assignee: Shenzhen Nexol Lighting Technology Co ltd
Current assignee: Shenzhen Nexol Lighting Technology Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-10-01
Anticipated expiration: 2031-02-26

Abstract

The utility model provides a heat abstractor and lamps and lanterns, heat abstractor includes reflecting plate, first lamp plate, second lamp plate and radiator, be equipped with the mounting groove on the radiator, the second lamp plate sets up in the mounting groove, the one side of reflecting plate has the installation region, the radiator sets up installation region is last, first lamp plate sets up installation region's the back. In the technical scheme of the utility model, the first lamp plate and the second lamp plate are positioned at two sides of the reflector plate, the two sides emit light to improve the illumination brightness, and simultaneously, the light beams emitted by the first lamp plate and the second lamp plate are reflected by the reflector plate, thereby ensuring the light emitting effect; will the second lamp plate sets up in the radiator, the radiator can be fully and air contact to can dispel the heat fast, improve the radiating efficiency.

Description

Heat dissipation device and lamp

Technical Field

The utility model relates to the technical field of household appliances, in particular to heat abstractor and lamps and lanterns.

Background

Due to the structural limitation of the total reflection type lamp, a heat dissipation device with a large size cannot be installed, so that the light of a light source is prevented from being blocked by the heat dissipation device, and the light emitting effect is prevented from being influenced. Therefore, in the prior art, the light source is only cooled by the heat conducting bridge. When the lamp is turned on for a long time, the temperature of the light source rises, but because the efficiency of heat dissipation of the light source is insufficient, the central temperature of the light source cannot be quickly transmitted, so that the service life of the light source is influenced due to overhigh temperature of the light source.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a heat abstractor and lamps and lanterns aims at solving the lower technical problem of light source radiating efficiency among the prior art.

In order to achieve the above object, the utility model provides a heat dissipation device, heat dissipation device includes reflecting plate, first lamp plate, second lamp plate and radiator, be equipped with the mounting groove on the radiator, the second lamp plate sets up in the mounting groove, the one side of reflecting plate has the installation region, the radiator sets up installation region is last, first lamp plate sets up installation region's the back.

Optionally, the reflection plate has a mounting through hole therein, the mounting through hole is located in the mounting region, and the heat sink is disposed in the mounting through hole.

Optionally, the radiator includes mounting bracket and fin, the mounting groove is located the mounting bracket center, the mounting bracket sets up on the installation region, the fin is followed mounting bracket circumference sets up, the fin is netted.

Optionally, the heat dissipation device further comprises an cover plate, the cover plate is arranged on the installation groove to form an installation cavity, the second lamp plate is arranged in the installation cavity, the cover plate is made of transparent materials, and the irradiation direction of the second lamp plate faces towards the cover plate.

Optionally, the heat dissipation device includes a bottom plate, the bottom plate is connected with the reflecting plate, the first lamp plate is arranged in the bottom plate, and the irradiation direction of the first lamp plate faces the reflecting plate.

Optionally, first lamp plate includes circuit board and a plurality of lamp pearl, the circuit board is cyclic annular setting, and is a plurality of the lamp pearl is followed the even interval in edge of circuit board sets up.

Optionally, the reflective plate is an acrylic plate, and a reflective coating is provided on the acrylic plate.

Optionally, the heat sink is detachably connected to the reflection plate.

Optionally, the heat dissipation device further includes a heat dissipation ring disposed along a circumferential direction of the reflection plate.

Furthermore, in order to solve the above problems, the utility model discloses still provide a lamp, lamp includes support frame, base and as above heat abstractor, the one end of support frame with the base is connected, the other end with heat abstractor connects.

In the technical scheme of the utility model, the first lamp plate and the second lamp plate are positioned at two sides of the reflector plate, the two sides emit light to improve the illumination brightness, and simultaneously, the light beams emitted by the first lamp plate and the second lamp plate are reflected by the reflector plate, thereby ensuring the light emitting effect; will the second lamp plate sets up in the radiator, the radiator can be fully and air contact to can dispel the heat fast, improve the radiating efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is an exploded view of an embodiment of the heat dissipation device of the present invention;

fig. 2 is a schematic view of a specific structure of a lamp panel in the heat dissipation device of the present invention;

fig. 3 is a schematic structural diagram of a heat sink in the heat dissipation device of the present invention;

FIG. 4 is a schematic view of an assembled internal structure of the heat dissipation device of FIG. 1;

fig. 5 is a schematic structural view of an embodiment of the lamp of the present invention;

fig. 6 is an exploded view of another embodiment of the heat dissipation device of the present invention;

FIG. 7 is a schematic view of the assembled internal structure of the heat dissipation device in FIG. 6;

fig. 8 is a schematic structural view of another embodiment of the lamp of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Reflecting plate	11	Mounting through hole
20	Heat radiator	21	Heat sink
				22	Mounting rack	23	Mounting groove
30	First lamp panel	31	Lamp bulb
				32	Circuit board	40	Second lamp panel
50	Cover plate	60	Supporting frame
				70	Base seat	80	Base plate
90	Fixing ring

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a heat abstractor please refer to fig. 1-4, heat abstractor includes reflecting plate 10, first lamp plate 30, second lamp plate 40 and radiator 20, be equipped with mounting groove 23 on the radiator 20, second lamp plate 40 sets up in the mounting groove 23, the one side of reflecting plate 10 has the installation region, radiator 20 sets up on the installation region, first lamp plate 30 sets up the back at installation region.

In this embodiment, the first lamp panel 30 and the second lamp panel 40 are located on two sides of the reflection plate 10, and two sides of the reflection plate 10 can emit light simultaneously, so that the light emitting effect is ensured. When the heat dissipation device is normally installed, the irradiation direction of the second lamp panel 40 is upward (a direction in fig. 1), the irradiation direction of the first lamp panel 30 is toward the reflector 10, and the light beam is reflected by the reflector 10 (B direction in fig. 1). The installation region is located the central point of reflecting plate 10 puts to guarantee the light beam that first lamp plate 30 sent can be even to reflecting around reflecting plate 10 improves the light efficiency homogeneity. The heat sink 20 and the reflection plate 10 are detachably arranged, so that a user can clean or replace the heat sink 20 conveniently, specifically, a clamping piece can be arranged in the installation area, correspondingly, a buckle matched with the clamping piece is arranged on the heat sink 20, and the heat sink 20 is fixed by clamping the buckle on the clamping piece; alternatively, the heat sink 20 may be fixed to the mounting region by means of glue bonding. Because the lamp beads on the second lamp panel 40 are concentrated and have large heat productivity, in this embodiment, in order to avoid the situation that the reflector panel 10 is deformed due to the excessive heat of the second lamp panel 40, in this embodiment, the second lamp panel 40 is directly arranged in the installation groove 23, and the second lamp panel 40 is cooled by the radiator 20, so that the cooling efficiency is improved; first lamp plate 30 sets up the back in installation area, because first lamp plate 30 produces the heat when opening, be close to more the position heat of first lamp plate 30 is higher, consequently in this embodiment, will first lamp plate 30 sets up radiator 20 corresponds position department, thereby makes radiator 20 assists first lamp plate 30 dispels the heat. The heat dissipation effect of the heat dissipation device is improved.

It should be noted that, the position of the installation area includes but is not limited to the above scheme, the installation area may be disposed at any position of the reflection plate 10, for example, the installation area may be the whole surface of the reflection plate 10, or the installation area may also be disposed along the edge of the reflection plate 10, and it is only necessary to ensure that the position of the heat sink 20 corresponds to the position of the first lamp panel 30, so as to ensure that the heat generated by the first lamp panel 30 can be conducted to the heat sink 20.

In the technical scheme of the present invention, the first lamp panel 30 and the second lamp panel 40 are located at two sides of the reflector 10, and both sides emit light to improve the illumination brightness, and meanwhile, the reflector 10 reflects the light beams emitted by the first lamp panel 30 and the second lamp panel 40, thereby ensuring the light emitting effect; will second lamp plate 40 sets up in radiator 20, radiator 20 can be sufficient and the air contact to can dispel the heat fast, improve the radiating efficiency.

Specifically, radiator 20 includes mounting bracket 22 and fin 21, mounting groove 23 is located the mounting bracket 22 center, mounting bracket 22 sets up on the installation region, fin 21 follows mounting bracket 22 circumference sets up, fin 21 is netted setting. The mounting bracket 22 is followed the edge setting of installing zone is in order to guarantee fin 21 with whole installing zone fully contacts, simultaneously fin 21 is netted setting in order to further strengthen fin 21 with installing zone's area of contact improves radiator 20's radiating efficiency. Wherein, in order to guarantee that reflecting plate 10 can be with the light beam that first lamp plate 30 sent is all reflected away, the area of reflecting plate 10 need be greater than the area of first lamp plate 30, also promptly the area of reflecting plate 10 is indirect to be greater than the area of radiator 20.

Further, heat abstractor still includes the cooling ring (not sign in the picture), the cooling ring is followed the circumference setting of reflecting plate 10, the cooling ring sets up on the marginal lateral wall of reflecting plate 10, the cooling ring can adopt the aluminum alloy material, the cooling ring with it assists the heat dissipation to scribble the resin between the 10 lateral walls of reflecting plate, thereby further improves heat abstractor's radiating efficiency.

Specifically, first lamp plate 30 is cyclic annular, first lamp plate 30's size with mounting bracket 22 looks adaptation, first lamp plate 30 is in the projection on the reflecting plate 10 vertical direction with fin 21 on the mounting bracket 22 overlaps. Please refer to fig. 6 and 7, the first lamp plate 30 can be a circular ring shape, a rectangular ring, etc., and the user can select the first lamp plate 30 with different shapes according to different application scenarios, thereby improving the wide adaptability of the heat dissipation device, which simplifies the structure by adopting the ring structure in the embodiment, saves the installation space, and saves the manufacturing cost. First lamp plate 30 is in the projection of reflecting plate 10 vertical direction with fin 21 is in the projection of reflecting plate 10 vertical direction overlaps, thereby it is supplementary first lamp plate 30 dispels the heat, further improves the radiating effect.

In this embodiment, the first lamp panel 30 and the second lamp panel 40 are independent of each other, and a user can open the first lamp panel 30 and the second lamp panel 40 simultaneously according to a requirement, or open the first lamp panel 30 alone or open the second lamp panel 40 alone, thereby adjusting the brightness of the heat dissipation device. It can be understood that the quantity of lamp plate includes but not limited to above-mentioned scheme among the heat abstractor, heat abstractor can also include more lamp plates, for example can also include the third lamp plate, the third lamp plate is followed the edge setting of second lamp plate 40 to further satisfy user's demand, improve heat abstractor's compatibility and nimble degree.

Further, heat abstractor still includes apron 50, apron 50 sets up in order to form the installation cavity on the mounting groove 23, second lamp plate 40 sets up in the installation cavity, apron 50 is transparent material finished piece, the direction orientation that shines of second lamp plate 40 apron 50. The apron 50 is covered and is established on the second lamp plate 40 to form sealedly the installation cavity, thereby guarantee the leakproofness of second lamp plate 40 prevents influence life such as dust water stain. The cover plate 50 is made of transparent material, and the light beam of the second lamp panel 40 directly passes through the cover plate 50 to be emitted. The heat dissipation device comprises a bottom plate 80, the bottom plate 80 is connected with the reflecting plate 10, the first lamp plate 30 is arranged in the bottom plate 80, the irradiation direction of the first lamp plate 30 faces the reflecting plate 10, a groove is formed in the bottom plate 80, the first lamp plate 30 is fixed in the groove, the bottom plate 80 is located at the back of the cover plate 50, the bottom plate 80 can be made of alloy materials, and therefore the first lamp plate 30 can dissipate heat, and the heat dissipation effect is further improved.

Specifically, first lamp plate 30 includes circuit board 32 and a plurality of lamp pearl 31, circuit board 32 is cyclic annular setting, and is a plurality of lamp pearl 31 is followed the even interval in edge of circuit board 32 sets up. In this embodiment, the lamp beads 31 surround the circumference of the circuit board 32 to form a circle, and the distance between two adjacent lamp beads 31 is the same, so as to ensure the uniformity of brightness. In this embodiment, second lamp plate 40 also constitutes through circuit board 32 and lamp pearl 31 in second lamp plate 40, circuit board 32 is circular, and lamp pearl 31 is a straight line along circuit board 32's radial arrangement, and the interval between two adjacent lamp pearls 31 is the same equally. The second circuit board 32 comprises a plurality of rows of lamp beads 31, and the included angle formed between every two adjacent rows of lamp beads 31 is the same, so that the brightness uniformity of the second lamp panel 40 is further guaranteed.

Further, the reflective plate 10 is an acrylic plate, and a reflective coating is provided on the acrylic plate. In this embodiment, the reflective coating is coated on the acrylic board to improve the reflectivity of the first lamp panel 30 and/or the second lamp panel 40, so as to further improve the equivalence of the heat dissipation device.

In addition, in order to solve the above problems, the present invention further provides a lamp, please refer to fig. 5 and 8, the lamp includes a supporting frame 60, a base 70 and the heat dissipation device as described above, one end of the supporting frame 60 is connected to the base 70, and the other end is connected to the heat dissipation device. Still be equipped with solid fixed ring 90 on the apron 50, gu fixed ring 90's position with support frame 60's position corresponds, gu fixed ring 90 is last to have the screw hole, gu fixed ring 90 will through the screw apron 50 radiator 20 and lamp plate are fixed on support frame 60. The lamp may further include a lamp cover, and one end of the lamp cover is connected to an edge of the reflection plate 10 of the heat dissipation device.

In this embodiment, the installation area is located the central point of reflecting plate 10 puts, thereby guarantees that the light beam that first lamp plate 30 sent can be evenly to reflecting around reflecting plate 10 improves the light efficiency homogeneity. A heat conductive adhesive, such as silicone grease, is applied between the heat sink 20 and the heat dissipation device to improve heat conduction efficiency. The heat sink 20 and the reflection plate 10 are detachably arranged, so that a user can clean or replace the heat sink 20 conveniently, specifically, a clamping piece can be arranged in the installation area, correspondingly, a buckle matched with the clamping piece is arranged on the heat sink 20, and the heat sink 20 is fixed by clamping the buckle on the clamping piece; alternatively, the heat sink 20 may be fixed to the mounting region by means of glue bonding. First lamp plate 30 sets up the back in installation area, because first lamp plate 30 produces the heat when opening, is being close to more the position heat of first lamp plate 30 is higher, consequently in this embodiment, will first lamp plate 30 sets up radiator 20 corresponds position department, thereby improves radiator 20 with heat conduction efficiency between the first lamp plate 30 improves heat abstractor's radiating effect.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. The utility model provides a heat abstractor, its characterized in that, heat abstractor includes reflecting plate, first lamp plate, second lamp plate and radiator, be equipped with the mounting groove on the radiator, the second lamp plate sets up in the mounting groove, the one side of reflecting plate has the installation region, the radiator sets up installation region is last, first lamp plate sets up installation region's the back.

2. The heat dissipating device of claim 1, wherein the reflector plate has a mounting through hole therein, the mounting through hole being located in the mounting area, the heat sink being disposed in the mounting through hole.

3. The heat dissipating device of claim 1, wherein said heat sink comprises a mounting frame and fins, said mounting groove is located in the center of said mounting frame, said mounting frame is disposed on said mounting area, said fins are circumferentially disposed along said mounting frame, and said fins are net-shaped.

4. The heat dissipation device of claim 1, further comprising a cover plate disposed on the mounting groove to form a mounting cavity, wherein the second lamp plate is disposed in the mounting cavity, the cover plate is made of a transparent material, and an irradiation direction of the second lamp plate faces the cover plate.

5. The heat dissipation device of claim 1, wherein the heat dissipation device comprises a bottom plate, the bottom plate is connected with the reflector plate, the first lamp panel is disposed in the bottom plate, and an irradiation direction of the first lamp panel faces the reflector plate.

6. The heat dissipation device of claim 1, wherein the first lamp panel comprises a circuit board and a plurality of lamp beads, the circuit board is arranged in an annular shape, and the plurality of lamp beads are arranged along the edge of the circuit board at uniform intervals.

7. The heat sink according to any one of claims 1 to 6, wherein the reflector plate is an acrylic plate, and a reflective coating is provided on the acrylic plate.

8. The heat dissipating device of claim 1, wherein the heat sink is removably attached to the reflector plate.

9. The heat dissipating device of claim 1, further comprising a heat dissipating ring disposed along a circumferential direction of the reflection plate.

10. A lamp, comprising a supporting frame, a base and the heat dissipating device as claimed in any one of claims 1 to 9, wherein one end of the supporting frame is connected to the base, and the other end is connected to the heat dissipating device.