CN202228971U - LED lighting device - Google Patents

Abstract

The utility model provides a LED lighting device, which comprises a heat radiation fin, a lamp cap connecting seat, a metal seat plate, an LED module, an inner ring, a light transmission sheet and an outer ring; the radiating fins are provided with inner sleeves and radiating fins combined around the inner sleeves, supporting sheets are bent at the top ends of the radiating fins, and the supporting sheets are abutted to form a bearing plane; the lamp cap connecting seat is assembled at the end part of the inner sleeve; the metal seat plate is attached to the bearing plane of the radiating fins; the LED module is provided with a substrate and LED particles which are attached to the metal base plate; the inner ring is abutted against the LED module; the light-transmitting sheet is combined on the inner ring; and the outer ring is combined on the inner ring to press and fix the light-transmitting sheet. Therefore, the utility model discloses LED lighting device can reach and promote purposes such as radiating effect, integrated configuration are firm and waterproof seal.

Description

LED lighting

technical field

The utility model relates to an LED lighting device, in particular to an LED lighting device which adopts a light emitting diode (LED) as a light-emitting component and is provided with a heat dissipation structure.

Background technique

Traditional lighting equipment mainly uses incandescent lamps and fluorescent tubes as light-emitting components, but incandescent lamps and fluorescent lamps have always had the disadvantages of high power consumption and short service life. In contrast, today's high-power light-emitting diodes (LEDs) have the advantages of low power consumption, durability, and long life. They are the mainstream trend to gradually replace traditional incandescent lamps. Bulb-type LED luminaires as shown, M408647 modular LED street lights, LED luminaires as shown in D141554, etc. However, in the process of light-emitting diodes (LEDs) penetrating into traditional lighting equipment, there are still many technical problems to be solved. For example, high-power light-emitting diodes (LEDs) still have the problem of excessive waste heat. If it cannot be discharged, it will affect its luminous efficiency and service life. Therefore, how to design the packaging structure and heat dissipation structure of light-emitting diodes is an important issue in its related industries. Furthermore, when high-power light-emitting diodes (LEDs) are used as outdoor street lamps or searchlights, how to overcome the intrusion of rain and moisture to ensure their service life and meet safety regulations is also a key point that must be paid attention to.

Therefore, how to create an LED lighting device to achieve the effects of enhancing the heat dissipation effect, stabilizing the combined structure, and sealing and waterproofing will be actively disclosed by the utility model.

Contents of the invention

In view of the shortcomings of the above-mentioned prior art, the inventor feels that it is not perfect, so he exhausts his mind to study and overcome it, and develops a LED lighting device based on his accumulated experience in this industry for many years, in order to achieve improvement. The heat dissipation effect, the combination structure is stable, and the purpose of sealing and waterproofing.

The purpose of this utility model is to provide an LED lighting device, which can improve the heat dissipation by designing the combined structure of the heat dissipation fins, the lamp head connecting seat, the metal seat plate, the LED module, the inner ring, the light-transmitting sheet and the outer ring. Effect, combined structure stability and sealing waterproof and other purposes.

In order to achieve the above purpose, the implementation content of the LED lighting device of the present invention includes a heat dissipation fin, a lamp base connecting seat, a metal seat plate, an LED module, an inner ring, a light-transmitting sheet and an outer ring, wherein: the The radiating fins include a straight cylindrical inner sleeve, and a plurality of fins combined around the inner sleeve, one end of each of the radiating fins bends a supporting sheet, and the supporting sheet of each of the radiating fins leans against the adjacent Another heat sink is connected to form a bearing plane; the lamp base connecting seat is assembled on the inner sleeve of the end of the heat radiation fin opposite to the bearing plane; the metal seat plate is parallel attached to the bearing plane of the heat radiation fin; The LED module includes a substrate and one or more LED particles packaged on the substrate, and the substrate is paralleled against the metal seat plate; the inner ring is a hollow ring, and one end thereof leans against the LED module. On the substrate, the opposite end is combined with the light-transmitting sheet and the outer ring; the light-transmitting sheet is combined at one end of the inner ring to cover the LED module; and the outer ring is combined at one end of the inner ring to cover the LED module. The transparent sheet is pressed and fixed.

According to the LED lighting device described in the above preferred implementation content, wherein, the inner casing of the heat dissipation fin is provided with a plurality of positioning protrusions protruding around, and an embedded groove is formed between each positioning protrusion, and the heat dissipation fin is embedded in the The embedding groove is against the positioning protrusion.

According to the LED lighting device described in the above preferred implementation content, wherein, one end of the positioning protrusion corresponding to the supporting sheet is provided with a first concave portion and a protruding column adjacent to the first concave portion, and the supporting sheet of the heat sink is provided with a Corresponding to the through hole of the protruding post, the first protruding post penetrates through the through hole of the supporting sheet, and makes the part of the cooling fin corresponding to the first concave part embedded in the first concave part.

According to the LED lighting device described in the above preferred implementation content, wherein, one end of the positioning protrusion corresponding to the base connecting seat is provided with a second recess, and the end of the cooling fin opposite to the supporting sheet is provided with a bent fitting in the The buckle of the second recess.

According to the LED lighting device described in the above preferred implementation content, wherein, the side of the cooling fin is provided with a slot, and the support sheet is provided with a pair of convex pieces corresponding to the slot, and the convex pieces of the support sheet are fitted into the slot.

According to the LED lighting device described in the above preferred implementation content, the heat sink is provided with a plurality of ventilation holes.

According to the LED lighting device described in the above preferred implementation content, wherein, the outer edge of each of the cooling fins is bent from the end of the supporting sheet has a protruding piece, the outer ring has a top ring part and a ring surrounding the top ring The outer ring wall of the top ring is pressed to fix the light-transmitting sheet, and the outer ring wall fits over the edge of the protruding piece.

According to the LED lighting device described in the above preferred implementation content, wherein, the protruding piece is provided with a step portion, and the outer periphery of the inner ring is provided with a protruding ring portion, and the protruding ring portion abuts against the step portion of the protruding piece.

According to the LED lighting device described in the above preferred implementation content, a positioning groove is recessed on the inner ring surface of the inner ring, and the light-transmitting sheet is accommodated in the positioning groove.

According to the LED lighting device described in the above preferred implementation content, at least one sealing ring is provided between the positioning groove and the light-transmitting sheet.

In the LED lighting device described in the above preferred implementation content, a sealing ring is provided between the inner ring and the substrate.

In this way, the LED lighting device of the present invention can increase the heat receiving area of the LED module and transfer the heat generated by the LED module through the bearing plane formed by the upper end of the cooling fin and the metal seat plate combined on the bearing plane. to each heat sink, so as to achieve the effect of improving heat dissipation and prolonging the service life of the LED module. Furthermore, the utility model can achieve the functions of stable combined structure, sealing and waterproof through the combination structure design of the cooling fins, and the structure design of the LED module, the inner ring, the light-transmitting sheet and the outer ring.

Description of drawings

Fig. 1 is an exploded perspective view of a preferred embodiment of the LED lighting device of the present invention.

Fig. 2 is a combined stereoscopic view of a preferred embodiment of the LED lighting device of the present invention.

Fig. 3 is an A-A sectional schematic diagram of a preferred embodiment of the LED lighting device of the present invention.

FIG. 4 is an exploded perspective view 1 of a preferred embodiment of the heat dissipation fin of the present invention.

FIG. 5 is an exploded perspective view II of a preferred embodiment of the heat dissipation fin of the present invention.

FIG. 6 is a partial perspective view of a preferred embodiment of the heat dissipation fin of the present invention.

FIG. 7 is a partial perspective view of a preferred embodiment of the heat dissipation fin of the present invention.

[Description of main component symbols]

1 cooling fins

11 inner sleeve

111 Locating convex strip

112 socket

113 First recess

114 Boss

115 second recess

12 heat sink

121 support piece

122 through holes

123 buckle

124 socket

125 Lugs

126 Vents

127 Lugs

128 class department

13 Bearing plane

2 Lamp holders

3 metal seat plate

4 LED modules

41 Substrate

5 inner circle

51 convex ring

52 positioning slot

6 transparent film

7 outer ring

71 top ring part

72 outer ring wall

8 sealing ring

Detailed ways

In order to fully understand the purpose, features and effects of the present utility model, the present utility model is described in detail as follows by means of the following specific embodiments and accompanying drawings:

Referring to Fig. 1, Fig. 2 and Fig. 2, a preferred embodiment of the LED lighting device of the present invention includes: a cooling fin 1, a lamp base connecting seat 2, a metal seat plate 3, an LED module 4, An inner ring 5, a light-transmitting sheet 6 and an outer ring 7, wherein: the cooling fin 1 includes a straight cylindrical inner sleeve 11, and a plurality of cooling fins 12 combined around the inner sleeve 11, the inner sleeve 11 It is a hollow cylinder or other shape made of metal material. Each of the heat sinks 12 is stamped from a metal sheet. One end of the heat sink is bent with a support piece 121. The support piece 121 of each heat sink 12 is against the other adjacent heat sink. The pieces 12 are connected by the support piece 121 to form a bearing plane 13 for bearing other components such as the metal seat plate 3 . The lamp base connecting base 2 is an insulating base body, which is assembled on the end of the inner sleeve 11 at the end of the cooling fin 1 opposite to the bearing plane 13, and is used for installing other electrical components. The metal seat plate 3 is a metal sheet with better heat conduction efficiency, such as aluminum alloy, and is attached to the bearing plane 13 of the heat dissipation fin 1 in parallel. The LED module 4 is a light-emitting module, which includes a substrate 41 and one or more LED particles (not shown) packaged on the substrate 41, and makes the substrate 41 parallel to the metal seat plate 3, so that the LED particles The waste heat generated when emitting light is transmitted to the metal base plate 3 and the heat dissipation fins 1 through the substrate 41 . The inner ring 5 is a plastic hollow ring corresponding to the shape of the metal seat plate 3 and the LED module 4, one end (bottom) of which is against the substrate 41 of the LED module 4, and the opposite end is combined with the light-transmitting sheet 6 and the outer ring. Ring 7. The light-transmitting sheet 6 is a light-transmitting optical sheet made of glass or plastic, which covers and combines with one end (top) of the inner ring 5 to seal and cover the LED module 4 . And the outer ring 7 is a plastic hollow ring matching the inner ring 5, which is combined with one end (top) of the inner ring 5, and the transparent sheet 6 is pressed and fixed between the inner ring 5 and the outer ring 7.

Referring to Fig. 4 and Fig. 5, the preferred embodiment of the heat dissipation fin 1 described in the present utility model includes a plurality of positioning convex strips 111 protruding around the inner sleeve 11, and a positioning convex strip 111 is formed between each positioning convex strip 111. The slot 112 , whereby the inner side of the cooling fin 12 fits into the slot 112 and abuts against the positioning protrusion 111 , so that the cooling fins 12 are arranged and combined in a radial shape around the inner casing 11 . Referring to Fig. 6 again, one end of the supporting piece 121 of the positioning protrusion 111 corresponding to the cooling fin 12 described in the utility model is provided with a first concave portion 113 and a convex column 114 adjacent to the first concave portion 113, and the cooling fin The supporting piece 121 of 12 is provided with a through hole 122 corresponding to the convex post 114, whereby the convex post 114 is inserted into the through hole 122 of the supporting piece 121, and the part of the supporting piece 121 corresponding to the first concave portion 113 is inserted into the first concave portion 113. Referring to Fig. 7 again, the positioning protrusion 111 according to the utility model is provided with a second concave portion 115 at one end corresponding to the lamp cap connecting seat 2, and the end of the cooling fin 12 opposite to the supporting sheet 121 is provided with a bent fitting The buckle 123 of the second recess 115 . Referring to Fig. 4 again, the side of the cooling fin 12 described in the utility model is provided with a slot 124, and the support piece 121 is provided with a protruding piece 125 corresponding to the slot 124, when each cooling fin 12 is combined with the inner casing 11 When surrounding, make the protruding piece 125 fit into the slot 124 of another heat sink 12 . In addition, each of the cooling fins 12 can be provided with a plurality of through-holes 126 to enhance the effect of heat convection. Therefore, the utility model utilizes the combination structure design of the heat sink 12 and the inner sleeve 11 and the combination structure design between the heat sinks 12 to form a heat dissipation fin 1 with a stable structure and improved heat dissipation effect.

Referring to Fig. 3 and Fig. 4, a protruding piece 127 is provided on the outer side of the end of each heat sink 12 bent with the support piece 121 described in the utility model, and the outer ring 7 is implemented with a top ring portion 71 and An outer ring wall 72 surrounding the top ring portion 71, whereby the outer ring wall 72 is sleeved on the edge of the protruding piece 127, and the top ring portion 71 is pressed and fixed on the light-transmitting sheet 6, so that the light-transmitting sheet 6 Pressing is fixed between the inner ring 5 and the outer ring 7 . Referring to Fig. 3, the utility model can also be provided with a step portion 128 on the inner side of the protruding piece 127, and a protruding ring portion 51 is provided on the periphery of the inner ring 5, thereby making the protruding ring portion 51 lean against On the step portion 128 of the protruding piece 127 , the function of stably fixing and combining the inner ring 5 on the heat dissipation fin 1 can be achieved. Referring to Fig. 3 again, the inner ring surface of the inner ring 5 described in the utility model can be concavely provided with a positioning groove 52, so that the light-transmitting sheet 6 is accommodated in the positioning groove 52, and then the top of the outer ring 7 can be used. The ring portion 71 presses and fixes the light-transmitting sheet 6 , so that the light-transmitting sheet 6 is stably assembled between the inner ring 5 and the outer ring 7 .

Also refer to Fig. 1 and Fig. 3, in order to prevent water and moisture from invading the LED module 4 and improve the service life of the electronic components of the present invention, the positioning groove 52 of the inner ring 5 described in the present invention and the light-transmitting sheet A sealing ring 8 (O-ring) can be provided between 6, and a sealing ring 8 is also provided between the inner ring 5 and the base plate 41, so as to prevent water and moisture intrusion.

As mentioned above, the utility model fully complies with the three requirements of the patent: novelty, progress and industrial applicability. In terms of novelty and progress, the utility model achieves improved heat dissipation effect through the combined structural design of heat dissipation fins, lamp base connection seat, metal seat plate, LED module, inner ring, light-transmitting sheet and outer ring. The combined structure is stable and has the functions of sealing and waterproofing. As far as the industrial applicability is concerned, the structural features and technical means of the utility model can be fully provided for the application in the current LED lighting industry.

The present invention has been disclosed above with preferred embodiments, but those skilled in the art should understand that the embodiments are only used to describe the present invention, and should not be construed as limiting the scope of the present invention. It should be noted that all changes and replacements equivalent to this embodiment should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be defined by the claims.

Claims (11)

1. LED lighting device; It is characterized in that, comprising: ring, a light transmission piece and an outer shroud in a radiating fin, a lamp holder Connection Block, a metal seat board, the led module,, wherein: this radiating fin comprises the interior cover of a straight-tube shape; And multi-disc is combined in the fin around the cover in this; Respectively an end of this fin bends a support chip, and respectively the support chip of this fin is resisted against another adjacent fin, to be connected to form a load plane; This lamp holder Connection Block winding is at the interior cover of this radiating fin in contrast to this load plane one end; This metal seat board is parallel to be fitted on the load plane of this radiating fin; This led module comprises that a substrate and one or more are encapsulated in the LED particle on this substrate, and makes that this substrate is parallel to be abutted on this metal seat board; Should be hollow ring by interior ring, the one of which end leans on the substrate of this led module, and opposite other end combination has this light transmission piece and this outer shroud; This light transmission piece is combined in an end of ring in this, and this led module is covered; And this outer shroud is combined in an end of ring in this, and this light transmission piece compacting is fixing.

2. LED lighting device as claimed in claim 1 is characterized in that, convexes with the multiple tracks positioning convex strip around the interior cover of this radiating fin, respectively forms a caulking groove between this positioning convex strip, and this fin is entrenched in this caulking groove and is resisted against this positioning convex strip.

3. LED lighting device as claimed in claim 2; It is characterized in that; This positioning convex strip is provided with the projection of one first recess and adjacent this first recess to a end that should support chip; The support chip of this fin is provided with a pair of through hole that should projection, and this first projection is placed through the through hole of this support chip, and makes support chip position that should first recess is embedded this first recess.

4. LED lighting device as claimed in claim 3 is characterized in that, this positioning convex strip is provided with one second recess to a end that should the lamp holder Connection Block, and this fin is provided with the cramp that a bending is entrenched in this second recess in contrast to an end of this support chip.

5. LED lighting device as claimed in claim 4 is characterized in that the side of this fin is provided with a caulking groove, and this support chip is provided with a pair of lug that should caulking groove, chimeric this caulking groove of the lug of this support chip.

6. LED lighting device as claimed in claim 5 is characterized in that this fin is provided with a plurality of passages.

7. LED lighting device as claimed in claim 1; It is characterized in that; Respectively this fin outer side edges of being bent with an end of this support chip has a lug; This outer shroud has an apical ring part and an external annulus around this apical ring part, fixing this light transmission piece of this apical ring part compacting, and this external annulus is linked in the edge of this lug.

8. LED lighting device as claimed in claim 7 is characterized in that, this lug is provided with a portion of class, and periphery of ring is provided with a projecting ring section in this, and this projecting ring section is resisted against the portion of class of this lug.

9. LED lighting device as claimed in claim 8 is characterized in that, inner ring surface of ring is concaved with a locating slot in this, and this light transmission piece is contained in this locating slot.

10. LED lighting device as claimed in claim 9 is characterized in that, is provided with a sealing ring between this locating slot and this light transmission piece.

11. LED lighting device as claimed in claim 10 is characterized in that, is provided with a sealing ring in this between ring and this substrate.

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