CN218626756U - Fin radiator and LED lamp - Google Patents

Abstract

The utility model relates to a fin radiator, it includes: the fin units are sequentially connected end to form a fin radiator, the fin radiator is annular, and a middle convection hole is formed in the middle of the fin radiator; the fin unit comprises a fin unit body, and a plurality of first convection holes are formed in the fin unit body at intervals; the front end of the fin unit body extends leftwards to form a front fin, and the upper end and the lower end of the front fin respectively transition in an arc shape and horizontally extend backwards to form a front upper fin and a front lower fin; after adopting above-mentioned structure, its beneficial effect is: convection holes are formed in the fin radiator; the heat dissipation device has a larger heat dissipation area than a heat dissipation device of a traditional lamp, effectively accelerates heat conduction and heat dissipation capacity, and prolongs the service life of the lamp.

Description

Fin radiator and LED lamp

Technical Field

The utility model belongs to the technical field of the LED lamps and lanterns, specific theory is about a fin radiator and LED lamps and lanterns.

Background

The semiconductor LED lighting source has the advantages of long service life, energy conservation, environmental protection, rich colors, miniaturization and the like, and is called as a next generation light source to pay more attention. With the continuous development of energy-saving technology, the LED lamp will be the development direction of the lighting industry in the future.

As is well known, a large amount of heat is generated when an LED lamp is used, and if the heat is not discharged in time, the light emitting effect of the LED lamp is restricted, so that the normal service life of the LED lamp is affected, and particularly for a high-power LED lamp, the phenomenon is more obvious, so that the heat sink is an essential component of the LED lamp.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems in the prior art, the utility model provides a fin radiator and LED lamps and lanterns solves the LED lamp heat dissipation problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

as an aspect of the utility model, a fin radiator is provided, it includes: the fin units are sequentially connected end to form a fin radiator, the fin radiator is annular, and a middle convection hole is formed in the middle of the fin radiator; the fin unit comprises a fin unit body, and a plurality of first convection holes are formed in the fin unit body at intervals; the front end of the fin unit body extends leftwards to form a front fin, and the upper end and the lower end of the front fin respectively transition in an arc shape and horizontally extend backwards to form a front upper fin and a front lower fin.

Optionally, the lower end of the fin unit body extends horizontally leftward to form a first lower fin, a second lower fin and a third lower fin, the bottom end of the second lower fin is lower than the bottom end of the third lower fin, and the bottom end of the third lower fin is lower than the bottom end of the first lower fin, so that a convection channel is formed among the first lower fin, the second lower fin and the third lower fin; the second lower fins are provided with lower convection grooves; a first connecting piece is formed at the front end of the third lower fin, and a first connecting groove matched with the first connecting piece is formed at the root of the third lower fin; when the fin units are spliced end to end, the first connecting piece of the next fin unit is matched with the first connecting groove of the previous fin unit.

Optionally, a first space and a second space are formed between the front upper fin and the front lower fin and the fin unit body.

Optionally, the left side of the front fin is formed with a front left convection groove.

Optionally, an upper convection groove is formed in the upper end of the fin unit body, which is close to the front fin, and the upper end of the fin unit body horizontally extends leftwards to form an upper fin; one side of the upper fin extends to the tail end of the fin unit body, and the other side of the upper fin extends to the upper convection groove of the fin unit body.

Optionally, a first lower convection hole is formed in the first lower fin; and front upper convection holes are formed in the front upper fins.

As an another aspect of the utility model, a LED lamp is provided, it includes: the lamp body is provided with an accommodating cavity and is used for installing the power panel;

the lamp holder is connected to the lamp body and electrically connected with the power panel;

the fin radiator is connected to the lamp body;

the light source plate is connected to the fin radiator and electrically connected with the power panel;

and the light transmitting cover is connected to the fin radiator and covers the light source plate in the radiator.

Optionally, the LED lamp further comprises a limiting mechanism, wherein the limiting mechanism is connected between the lamp body and the light-transmitting cover and used for limiting connection of the fin radiator;

the limiting mechanism comprises a fixing part connected with the lamp body, a plurality of first screw columns are formed at the bottom of the fixing part, the first screw columns are matched with second screw columns in the lamp body and then are fixed through a fastening piece; and a guide part is formed on the fixing part and penetrates through the middle convection hole to be connected with the light-transmitting cover.

Optionally, a light-transmitting cover convection hole is formed in the middle of the proposed light-transmitting cover, and a grid hole is formed at the bottom of the light-transmitting cover convection hole;

the bottom of the light-transmitting cover is provided with a first limiting part, and the top of the guide piece is provided with a second limiting part matched with the first limiting part.

Optionally, a heat conducting fin is arranged between the light source plate and the fin radiator;

the light-transmitting cover is provided with a buckle which is clamped with the heat-conducting fin or the fin radiator.

The utility model discloses a fin radiator and LED lamps and lanterns, its beneficial effect specifically embodies: convection holes are formed in the fin radiator; the heat dissipation device has a larger heat dissipation area than a heat dissipation device of a traditional lamp, effectively accelerates heat conduction and heat dissipation capacity, and prolongs the service life of the lamp.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the scope of the invention.

Fig. 1 is a front view of the fin radiator structure of the present invention;

fig. 2 is a rear view of the fin radiator structure of the present invention;

fig. 3 is a perspective view of the fin unit structure of the present invention;

fig. 4 is a front view of the fin unit structure of the present invention;

fig. 5 is a bottom view of the fin unit structure of the present invention;

fig. 6 is a front view of the LED lamp structure of the present invention;

fig. 7 is a rear view of the LED lamp structure of the present invention;

fig. 8 is an exploded front view of the LED lamp structure of the present invention;

fig. 9 is an exploded rear view of the LED lamp structure of the present invention.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

The present invention provides a fin radiator, as shown in fig. 1-2, which includes: the fin units 1 are made of aluminum materials, so that the radiating effect is good; the fin units 1 are sequentially connected end to form a fin radiator, the fin radiator is annular, and a middle convection hole 2 is formed in the middle of the fin radiator.

Specifically, in the present embodiment, as shown in fig. 3 to 5, the proposed fin unit 1 includes a fin unit body 11, where a plurality of first convection holes 12 are arranged at intervals on the fin unit body 11; as an example, the number of the first convection holes 12 is six, and the first convection holes are arranged in two rows, one row is three, air convection is fast, and the heat dissipation effect is good; the front end of the fin unit body 11 extends leftwards to form a front fin 13, and the root of the front fin 13 is slightly inclined inwards from the front part to facilitate the air flow; the upper end and the lower end of the front fin 13 respectively extend backwards horizontally in an arc transition way to form a front upper fin 14 and a front lower fin 15, and a first interval 16 and a second interval 17 are formed between the front upper fin 14 and the front lower fin 15 and the fin unit body 11 and are used for an air convection channel, so that quick heat dissipation can be realized; the front upper fin 14 is provided with a front upper convection hole 141.

Further, in the present embodiment, a front left convection groove 131 is formed on the left side of the front fin 13, and is used for convection of air to accelerate heat dissipation.

To be further described, in the present embodiment, as shown in fig. 3-5, an upper convection slot 18 is opened on the upper end of the proposed fin unit body 11 near the front fin 13, and the upper end of the proposed fin unit body 11 horizontally extends leftwards to form an upper fin 19; one side of the upper fin 19 extends to the end of the fin unit body 11, and the other side of the upper fin 19 extends to the upper convection groove 18 of the fin unit body 11, so that the upper convection groove 18 is not blocked, and the air convection effect is not affected.

It should be noted that, in order to make the fin unit 1 annular, the width of the tip end of the upper fin 19 is smaller than the width of the front end of the upper fin 19.

Further, in this embodiment, as shown in fig. 3 to 5, a first lower fin 110, a second lower fin 111 and a third lower fin 112 are horizontally formed to extend leftward from the lower end of the proposed fin unit body 11, the bottom end of the second lower fin 111 is lower than the bottom end of the third lower fin 112, and the bottom end of the third lower fin 112 is lower than the bottom end of the first lower fin 110, so that convection channels are formed among the first lower fin 110, the second lower fin 111 and the third lower fin 112 to realize air convection; the second lower fin 111 is provided with a lower convection groove 113; a first connecting piece 114 is formed at the front end of the third lower fin 112, and a first connecting groove 115 matched with the first connecting piece 114 is formed at the root of the third lower fin 112; by way of example, the first connection member 114 is a connection plate; when a plurality of fin units 1 are spliced end to end, the first connecting piece 114 of the next fin unit 1 is matched with the first connecting groove 115 of the previous fin unit 1, and the whole fin radiator is formed by splicing; it should be noted that, in order to make the fin unit 1 have a ring shape, the end width of the first lower fin 110 is smaller than the front end width of the first lower fin 110.

Further, in the present embodiment, the first lower fins 110 are provided with first lower convection holes 116 for convection of air to accelerate heat dissipation.

The utility model discloses another embodiment's a LED lamps and lanterns, as shown in fig. 6-9, it includes: a lamp body 3 provided with a receiving cavity 31 for mounting a power supply board; the power strip is located the intracavity that holds of lamp body 3, specifically is: the accommodating cavity 31 is internally provided with a slot 32, and the power panel is inserted into the slot 32, so that the assembly is convenient and simple;

the lamp holder 4 is connected to the lamp body 3, and the lamp holder 4 is electrically connected with the power panel; the lamp holder 4 is in threaded connection with the lamp body 3, so that the connection mode is simple, and the assembly is rapid;

the fin radiator is connected to the lamp body 3;

the light source plate 5 is connected to the fin radiator, and the light source plate 5 is electrically connected with the power panel; it should be noted that the light source board 5 is made of an aluminum substrate material with high thermal conductivity of 1.0W/(m · K), and is attached with an electronic material such as an LED lamp bead, which is the prior art and is not described again;

and the light-transmitting cover 6 is connected to the fin radiator and covers the light source plate 5 in the fin radiator.

Specifically, in this embodiment, the heat sink further includes a limiting mechanism, connected between the lamp body 3 and the transparent cover 6, for limiting connection of the fin heat sink.

To further explain, in the present embodiment, as shown in fig. 8 to 9, the limiting mechanism includes a fixing member 71 connected to the lamp body 3, a plurality of first screw posts 72 are formed at the bottom of the fixing member 71, and the first screw posts 72 are matched with the second screw posts 33 in the lamp body 3 and then fixed by a fastening member; the fixing member 71 is formed with two guiding members 73, the guiding members 73 penetrate through the middle convection hole 2 and are connected with the light-transmitting cover 6, and the two guiding members 73 are attached to the inner wall of the middle convection hole 2 and used for limiting the fin radiator.

Further, in the present embodiment, the light-transmitting cover 6 is provided with a light-transmitting cover convection hole 61 at the middle portion thereof, and a grid hole 62 is formed at the bottom of the light-transmitting cover convection hole 61 to prevent flying insects or foreign matters from entering the light source plate 5 and affecting the effect.

Further, in this embodiment, as shown in fig. 8 to 9, a first position-limiting portion 63 is formed at the bottom of the light-transmitting cover 6, and a second position-limiting portion 74 adapted to the first position-limiting portion 63 is formed at the top of the guiding member 73, by way of example, the first position-limiting portion 63 is a groove, and the second position-limiting portion 74 is a protrusion adapted to the groove, so that the light-transmitting cover 6 and the guiding member 73 can be more smoothly matched and positioned.

Further, in the present embodiment, as shown in fig. 8 to 9, a heat conducting sheet 8 is disposed between the light source board 5 and the fin heat sink, and the heat conducting sheet 8 is connected to the fin heat sink through a fastening member for conducting heat, so as to transmit the heat generated by the light source board 5 to the fin heat sink for heat dissipation.

Further, in the present embodiment, as shown in fig. 8, a buckle 64 is formed on the proposed light-transmitting cover 6, and the buckle 64 is engaged with the heat-conducting fin 8 or the fin heat sink to form the installation and fixation of the light-transmitting cover 6.

In the embodiment, the convection holes are formed in the fin radiator; the heat dissipation device has a larger heat dissipation area than a heat dissipation device of a traditional lamp, effectively accelerates the heat conduction and heat dissipation capacity, and prolongs the service life of the lamp.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the directions or positional relationships indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the directions or positional relationships shown in the drawings, and are for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230," "upper surface," "above," and the like may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, so that the scope of the present application is not to be construed as being limited.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims (10)

1. A finned heat sink, comprising: the fin units are sequentially connected end to form a fin radiator, the fin radiator is annular, and a middle convection hole is formed in the middle of the fin radiator; the fin unit comprises a fin unit body, and a plurality of first convection holes are formed in the fin unit body at intervals; the front end of the fin unit body extends leftwards to form a front fin, and the upper end and the lower end of the front fin respectively extend backwards horizontally to form a front upper fin and a front lower fin.

2. The fin heat sink as claimed in claim 1, wherein the lower end of the fin unit body is horizontally extended leftwards to form a first lower fin, a second lower fin and a third lower fin, the bottom end of the second lower fin is lower than the bottom end of the third lower fin, and the bottom end of the third lower fin is lower than the bottom end of the first lower fin, so that convection channels are formed among the first lower fin, the second lower fin and the third lower fin; the second lower fins are provided with lower convection grooves; a first connecting piece is formed at the front end of the third lower fin, and a first connecting groove matched with the first connecting piece is formed at the root of the third lower fin; when the fin units are spliced end to end, the first connecting piece of the next fin unit is matched with the first connecting groove of the previous fin unit.

3. The fin heat sink of claim 1, wherein the front upper fins and the front lower fins form first spaces and second spaces with the fin unit body.

4. The finned heat sink of claim 1, wherein the left side of the front fin is formed with a front left convection slot.

5. The finned heat sink of claim 1, wherein the upper end of the fin unit body near the front fins has upper convection grooves, and the upper end of the fin unit body horizontally extends leftward to form upper fins; one side of the upper fin extends to the tail end of the fin unit body, and the other side of the upper fin extends to the upper convection groove of the fin unit body.

6. The fin heat sink of claim 2, wherein the first lower fin is provided with a first lower convection hole; and front upper convection holes are formed in the front upper fins.

7. An LED lamp, comprising: the lamp body is provided with an accommodating cavity and is used for installing a power panel;

the lamp holder is connected to the lamp body and electrically connected with the power panel;

the finned heat sink of any of claims 1-6, attached to a lamp body;

the light source plate is connected to the fin radiator and electrically connected with the power panel;

and the light transmitting cover is connected to the fin radiator and covers the light source plate in the radiator.

8. The LED lamp of claim 7 further comprising a limiting mechanism connected between the lamp body and the light transmissive cover for limiting connection of the fin heat sink;

the limiting mechanism comprises a fixing part connected with the lamp body, a plurality of first screw columns are formed at the bottom of the fixing part, the first screw columns are matched with second screw columns in the lamp body, and then the fixing part is used for fixing; and a guide part is formed on the fixing part and penetrates through the middle convection hole to be connected with the light-transmitting cover.

9. The LED lamp of claim 8, wherein the light transmissive cover has a light transmissive cover convection hole formed in a middle portion thereof, and a grid hole formed in a bottom portion thereof;

the bottom of the light-transmitting cover is provided with a first limiting part, and the top of the guide piece is provided with a second limiting part matched with the first limiting part.

10. The LED light fixture of claim 7 wherein a heat conducting fin is disposed between the light source board and the fin heat sink;

the light-transmitting cover is provided with a buckle which is clamped with the heat-conducting fin or the fin radiator.

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