CN105953099B - LED lamp with improved heat dissipation structure - Google Patents

LED lamp with improved heat dissipation structure Download PDF

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Publication number
CN105953099B
CN105953099B CN201610296556.9A CN201610296556A CN105953099B CN 105953099 B CN105953099 B CN 105953099B CN 201610296556 A CN201610296556 A CN 201610296556A CN 105953099 B CN105953099 B CN 105953099B
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aluminum
heat dissipation
aluminum heat
cylinder
led lamp
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CN105953099A (en
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宋勇青
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宋勇青
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/85Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/89Metals

Abstract

The invention discloses an LED lamp with an improved heat dissipation structure, which comprises a lamp holder shell, wherein a hollow aluminum heat dissipation cylinder is fixed on the inner wall of the lamp holder shell, the shape of the outer wall surface of the aluminum heat dissipation cylinder is matched with the shape of the inner surface of the lamp holder shell, the outer wall surface of the aluminum heat dissipation cylinder is tightly attached to the inner surface of the lamp holder shell, the aluminum heat dissipation cylinder is provided with at least one step position, the step position surrounds the aluminum heat dissipation cylinder for a circle, an aluminum heat dissipation fin and/or an aluminum substrate are fixed at the step position, and the aluminum heat dissipation fin and the aluminum substrate are respectively in interference fit. The invention has light weight, good heat dissipation effect and low cost, and can directly punch and clamp the aluminum heat sink and the aluminum substrate into the step position when the aluminum heat sink and the aluminum substrate are installed, thus the installation of the aluminum heat sink and the aluminum substrate is very simple, convenient and rapid.

Description

LED lamp with improved heat dissipation structure
Technical Field
The invention relates to the technical field of LED lamps, in particular to an LED lamp with an improved heat dissipation structure.
Background
Install an aluminium radiator in the LED lamp holder of prior art, the aluminium base board of installing LED lamp pearl is fixed in the top of aluminium radiator, in order can dispel the heat fast, the heat conduction that the aluminium radiator can be fast produced LED lamp pearl and aluminium base board during operation goes out, the aluminium radiator chooses for use solid aluminium die casting, the through-hole has been seted up at aluminium radiator middle part for install the electric wire, the thickness of aluminium radiator is great, aluminium radiator materials are more, the cost is higher. On the other hand, it makes the weight of the LED lamp larger, and it requires the weight bearing capacity of the lamp socket or the lamp barrel to have corresponding requirements, increasing the installation cost, and therefore, there is a need for improvement.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the LED lamp cap which is light in weight, good in heat dissipation effect and low in cost.
In order to achieve the purpose, the invention adopts the technical scheme that: an LED lamp with an improved heat dissipation structure comprises a lamp holder shell, wherein a hollow aluminum heat dissipation cylinder is fixed on the inner wall of the lamp holder shell, the shape of the outer wall surface of the aluminum heat dissipation cylinder is matched with the shape of the inner surface of the lamp holder shell, the outer wall surface of the aluminum heat dissipation cylinder is tightly attached to the inner surface of the lamp holder shell, the aluminum heat dissipation cylinder is provided with at least one step position, the step position surrounds the aluminum heat dissipation cylinder for a circle, an aluminum cooling fin and/or an aluminum substrate are fixed at the step position, and the aluminum cooling fin and the aluminum substrate are in interference fit with the step position.
In a further technical scheme, at least one aluminum heat radiating fin and one aluminum substrate are sequentially fixed on the uppermost step of the aluminum heat radiating cylinder in a compression joint mode through a stamping process, the aluminum substrate is located above the aluminum heat radiating fin, and the bottom surface of the aluminum substrate is attached to the top surface of the aluminum heat radiating fin.
In a further technical scheme, the upper end of the aluminum heat dissipation cylinder is provided with at least one step, the middle of the aluminum heat dissipation cylinder is provided with at least one step, and each step is fixedly provided with 1-3 aluminum heat dissipation fins through pressing connection of a stamping process.
In a further technical scheme, the wall thickness of the aluminum heat dissipation cylinder is 0.5-3 times of that of the lamp cap shell, the lower end part of the aluminum heat dissipation cylinder extends downwards to the middle part or the lower end part of the lamp cap shell, the aluminum heat dissipation sheet is a circular sheet body, the surface of the aluminum heat dissipation sheet is a plane or a wavy curved surface, and the aluminum heat dissipation sheet is provided with a through hole.
In a further technical scheme, the step position is provided with a side wall and a shoulder position, the annular shoulder position is a circular platform, and the edge of the lower end of the side wall is connected with the edge of the inner side of the annular shoulder position to form the step position.
In a further technical scheme, the side wall is in a cylindrical surface shape and is vertical to the shoulder.
In a further technical scheme, the side wall is an inclined plane or an arc surface, and the trend of the side wall from the lower end part to the upper end part is gradually reduced.
In a further technical scheme, the side wall is provided with at least one arc-shaped groove, the arc-shaped groove surrounds the aluminum heat dissipation cylinder for a circle, a convex ring is formed on the upper portion of the arc-shaped groove, and an arc-shaped guide surface is arranged on the upper portion of the side wall or the upper portion of the convex ring.
In a further technical scheme, the aluminum radiating fins and the aluminum substrate are fixed on the step positions through a welding process and a riveting process.
In a further technical scheme, a plurality of buckling feet are torn out of the side wall locally, and the aluminum radiating fins and the aluminum substrate are pressed at the step positions after the buckling feet are bent.
After adopting the structure, compared with the prior art, the invention has the advantages that: the invention has light weight, good heat dissipation effect and low cost, and can directly punch and clamp the aluminum heat sink and the aluminum substrate into the step position when the aluminum heat sink and the aluminum substrate are installed, thus the installation of the aluminum heat sink and the aluminum substrate is very simple, convenient and rapid.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram after the aluminum substrate is hidden according to an embodiment of the invention.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 4 is a schematic structural diagram after the aluminum substrate is hidden according to a second embodiment of the invention.
Fig. 5 is a schematic structural diagram of a third embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a fourth embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a fifth embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a sixth embodiment of the present invention.
Fig. 9 is a schematic structural diagram of a seventh embodiment of the present invention.
Fig. 10 is a schematic structural diagram of an eighth embodiment of the present invention.
Fig. 11 is a schematic structural diagram of a ninth embodiment of the present invention.
Fig. 12 is a schematic structural diagram of a tenth embodiment of the present invention.
In the figure: 1. the LED lamp comprises a lamp cap shell 2, an aluminum heat dissipation cylinder 3, a step position 31, a side wall 32, a shoulder position 33, a fastening pin 34, a riveting head 35, a welding spot 36, an arc-shaped groove 4, an aluminum substrate 5 and an aluminum heat dissipation sheet.
Detailed Description
The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.
Example one
An LED lamp with an improved heat dissipation structure is shown in figures 1 and 2 and comprises a lamp holder shell 1, wherein a hollow aluminum heat dissipation cylinder 2 is fixed on the inner wall of the lamp holder shell 1, the shape of the outer wall surface of the aluminum heat dissipation cylinder 2 is matched with the shape of the inner surface of the lamp holder shell 1, the outer wall surface of the aluminum heat dissipation cylinder 2 is tightly attached to the inner surface of the lamp holder shell 1, the aluminum heat dissipation cylinder 2 is provided with at least one step 3, the step 3 surrounds the aluminum heat dissipation cylinder 2 for a circle, the step 3 is provided with a side wall 31 and a shoulder 32, the annular shoulder 32 is a circular platform, the lower end edge of the side wall 31 is connected with the inner side edge of the annular shoulder 32 to form the step 3, the side wall 31 is cylindrical, and the side wall 31 is perpendicular to the shoulder 32.
An aluminum radiating fin 5 and an aluminum substrate 4 are fixed at the step position 3, and the aluminum radiating fin 5 is in interference fit with the step position 3. Specifically, an aluminum heat sink 5 and an aluminum substrate 4 are sequentially fixed to the uppermost step 3 of the aluminum heat sink cylinder 2 by pressing, and the aluminum substrate 4 is located above the aluminum heat sink 5, and the bottom surface of the aluminum substrate 4 is tightly attached to the top surface of the aluminum heat sink 5, so that the contact area between the aluminum heat sink 5 and the aluminum substrate 4 is larger, and the heat dissipation efficiency is improved. The wall thickness of the aluminum heat dissipation cylinder 2 is 0.5-3 times of the wall thickness of the lamp cap shell 1, the lower end portion of the aluminum heat dissipation cylinder 2 extends downwards to the middle portion or the lower end portion of the lamp cap shell 1, the aluminum heat dissipation sheet 5 is a circular sheet body, the surface of the aluminum heat dissipation sheet 5 is a plane or a wavy curved surface, or concave-convex grains or concave-convex points are formed on the surface of the aluminum heat dissipation sheet 5, and the aluminum heat dissipation sheet 5 is provided with through holes. The aluminum base plate punching and clamping device is light in weight, good in heat dissipation effect and low in cost, when the aluminum base plate is installed, the aluminum base plate is directly punched and clamped into the step position, and the aluminum base plate is installed very simply, conveniently and quickly.
Example two
The main structure and technical advantages of this embodiment are respectively the same as those of the first embodiment, as shown in fig. 3 and 4, which are not described herein again, and the differences are as follows: the middle part of the aluminum radiating fin 5 fixed on the step position 3 is not provided with a through hole, the aluminum radiating fin 5 is provided with two small holes for a power supply line to pass through, the contact area of the aluminum radiating fin 5 and the aluminum substrate 4 is further increased, and the heat radiation efficiency is improved.
EXAMPLE III
The main structure and technical advantages of this embodiment are respectively the same as those of the first embodiment, as shown in fig. 5, which are not described herein again, and the differences are: the step 3 at the upper end of the aluminum heat dissipation cylinder 2 is sequentially pressed and fixed with 2 aluminum heat dissipation fins 5 and an aluminum substrate 4 by a stamping process, and the aluminum substrate 4 is positioned at the top. Step 3 can be fixed with a plurality of aluminium fin 5 by the crimping, increase aluminium fin 5 and can improve the radiating rate, LED lamp manufacturing enterprise can require the crimping corresponding quantity aluminium fin 5 according to the different heat dissipations of the LED lamp of different specifications, can use in the LED lamp of all styles, and the commonality is strong, reduces the specification quantity of subassembly such as aluminium heat dissipation section of thick bamboo 2 and aluminium fin 5, and various processing tools in the LED lamp manufacturing enterprise production process are all general, from the aspect synthesize reduction production degree of difficulty and manufacturing cost.
Example four
The main structure and technical advantages of this embodiment are respectively the same as those of the first embodiment, as shown in fig. 6, which are not described herein again, and the differences are: a step 3 has been seted up to the upper end of aluminium heat dissipation section of thick bamboo 2, and a step 3 has been seted up at the middle part of aluminium heat dissipation section of thick bamboo 2, and each step is fixed with 1~3 aluminium fin 5 through the punching press technology crimping respectively, and this kind of design can be conducted the middle and lower part of aluminium heat dissipation section of thick bamboo 2 from the upper portion of aluminium heat dissipation section of thick bamboo 2 fast with the heat that LED lamp pearl and aluminium base board 4 during operation produced, and the rethread improves the radiating efficiency.
EXAMPLE five
The main structure and technical advantages of this embodiment are respectively the same as those of the fourth embodiment, as shown in fig. 7, which are not described herein again, and the differences are: the upper end of the aluminum heat dissipation cylinder 2 is provided with a step position 3, the middle of the aluminum heat dissipation cylinder 2 is provided with an upper step position 3 and a lower step position 3, the aluminum heat dissipation cylinder 2 can also be provided with more than 3 step positions, and each step position is respectively fixed with 1-3 aluminum heat dissipation fins 5 through pressing and connection of a stamping process.
EXAMPLE six
The main structure and technical advantages of this embodiment are respectively the same as those of the first embodiment, as shown in fig. 8, which are not described herein again, and the differences are: the side wall 31 of the step 3 is an inclined plane or an arc surface, and the change trend of the side wall 31 from the lower end part to the upper end part is gradually reduced. The upper part of the step position 3 is small, the lower part of the step position is wide, the aluminum radiating fin 5 and the aluminum substrate 4 are fixed on the step position 3 in an inclined pressing mode, the aluminum radiating fin 5 and the aluminum substrate 4 are fixed more firmly, the contact pressure of the aluminum radiating fin 5, the aluminum substrate 4 and the step position 3 is increased, and the heat conduction speed can be improved.
EXAMPLE seven
The main structure and technical advantages of this embodiment are respectively the same as those of the first embodiment, as shown in fig. 9, which are not described herein again, and the differences are: the side wall 31 of the step 3 is provided with an arc-shaped groove 36, of course, the side wall 31 of the step 3 may also be provided with more than two arc-shaped grooves 36, the arc-shaped grooves 36 surround the aluminum heat-dissipating cylinder 2 for a circle, a convex ring is formed at the upper part of the arc-shaped grooves 36, an arc-shaped guide surface is arranged at the upper part of the side wall 31 or the upper part of the convex ring, the aluminum heat-dissipating fin 5 and the aluminum substrate 4 are more firmly fixed, the contact pressure of the aluminum heat-dissipating fin 5, the aluminum substrate 4 and the step 3 is increased, and.
Example eight
The main structure and technical advantages of this embodiment are respectively the same as those of the first embodiment, as shown in fig. 10, which are not described herein again, and the differences are as follows: a plurality of buckling feet 33 are partially torn from the side wall 31 of the step position 3, and the aluminum radiating fin 5 and the aluminum substrate 4 are pressed on the step position 3 after the buckling feet 33 are bent. The aluminum radiating fins 5 and the aluminum substrate 4 are more firmly fixed, the contact pressure of the aluminum radiating fins 5, the aluminum substrate 4 and the step positions 3 is increased, and the heat conduction speed can be improved.
Example nine
The main structure and technical advantages of this embodiment are the same as those of the first embodiment, and are not described herein again, but the differences are: the aluminum heat sink 5 and the aluminum substrate 4 are fixed to the step 3 by a caulking process, and as shown in fig. 11, the aluminum heat sink 5 is fixed by caulking by the caulking process, leaving a caulking point or a head 34 on the surface of the aluminum heat sink 5.
Example ten
The main structure and technical advantages of this embodiment are the same as those of the first embodiment, and are not described herein again, but the differences are: the aluminum heat sink 5 and the aluminum substrate 4 are fixed to the step 3 by a welding process, and as shown in fig. 12, they are fixed by crimping by the welding process, leaving a solder 35 on the outer edge of the aluminum heat sink 5.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims (8)

1. The utility model provides an improve heat radiation structure's LED lamp, includes lamp holder shell (1), its characterized in that: a hollow aluminum heat dissipation cylinder (2) is fixed on the inner wall of the lamp holder shell (1), the shape of the outer wall surface of the aluminum heat dissipation cylinder (2) is matched with the shape of the inner surface of the lamp holder shell (1), the outer wall surface of the aluminum heat dissipation cylinder (2) is tightly attached to the inner surface of the lamp holder shell (1), the aluminum heat dissipation cylinder (2) is provided with at least one step (3), the step (3) surrounds the aluminum heat dissipation cylinder (2) for a circle, an aluminum cooling fin (5) and/or an aluminum substrate (4) are fixed at the step (3), and the aluminum cooling fin (5) and the aluminum substrate (4) are in interference fit with the step (3) respectively;
the uppermost step (3) of the aluminum heat dissipation cylinder (2) is sequentially fixedly connected with a plurality of aluminum heat dissipation fins (5) and an aluminum substrate (4) in a compression joint mode through a stamping process, the aluminum substrate (4) is located above the aluminum heat dissipation fins (5), the bottom surface of the aluminum substrate (4) is tightly attached to the top surfaces of the aluminum heat dissipation fins (5), and each step (3) is fixedly connected with a plurality of aluminum heat dissipation fins (5) in a compression joint mode;
the wall thickness of the aluminum heat dissipation cylinder (2) is 0.5-3 times of that of the lamp holder shell (1), and the lower end part of the aluminum heat dissipation cylinder (2) extends downwards to the middle part or the lower end part of the lamp holder shell (1);
the step (3) is provided with a side wall (31), the side wall (31) is provided with at least one arc-shaped groove (36), the arc-shaped groove (36) surrounds the aluminum heat-radiating cylinder (2) for a circle, a convex ring is formed at the upper part of the arc-shaped groove (36), and an arc-shaped guide surface is arranged at the upper part of the side wall (31) or the upper part of the convex ring.
2. The LED lamp with the improved heat dissipation structure as set forth in claim 1, wherein: the upper end of the aluminum heat dissipation cylinder (2) is provided with at least one step (3), the middle of the aluminum heat dissipation cylinder (2) is provided with at least one step (3), and each step is fixed with 1-3 aluminum heat dissipation fins (5) through pressing and connecting by a stamping process.
3. The LED lamp with the improved heat dissipation structure as set forth in claim 1, wherein: the aluminum radiating fin (5) is a circular fin body, the surface of the aluminum radiating fin (5) is a plane or a wavy curved surface, and the aluminum radiating fin (5) is provided with a through hole.
4. The LED lamp with improved heat dissipation structure as set forth in one of claims 1 to 3, wherein: the step (3) is provided with a side wall (31) and a shoulder (32), the annular shoulder (32) is a circular platform, and the lower end edge of the side wall (31) is connected with the inner side edge of the annular shoulder (32) to form the step (3).
5. The LED lamp with the improved heat dissipation structure as set forth in claim 4, wherein: the side wall (31) is cylindrical, and the side wall (31) is perpendicular to the shoulder position (32).
6. The LED lamp with the improved heat dissipation structure as set forth in claim 4, wherein: the side wall (31) is an inclined plane or an arc surface, and the change trend of the side wall (31) from the lower end part to the upper end part is gradually reduced.
7. The LED lamp with the improved heat dissipation structure as set forth in claim 4, wherein: the aluminum radiating fins (5) and the aluminum base plate (4) are fixed on the step positions (3) through a welding process and a riveting process.
8. The LED lamp with the improved heat dissipation structure as set forth in claim 4, wherein: the side wall (31) is partially torn to form a plurality of buckling feet (33), and the buckling feet (33) are bent to press the aluminum radiating fins (5) and the aluminum substrate (4) on the step positions (3).
CN201610296556.9A 2016-05-05 2016-05-05 LED lamp with improved heat dissipation structure Active CN105953099B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104949079A (en) * 2015-05-18 2015-09-30 浙江晨丰科技有限公司 Connecting structure for LED lamp radiator cover plate and radiator shell
CN105114915A (en) * 2015-08-17 2015-12-02 浙江晨丰科技有限公司 LED lamp heat dissipation device
CN204853176U (en) * 2015-09-07 2015-12-09 浙江晨丰科技有限公司 LED lamp improves structure
CN204879555U (en) * 2015-08-03 2015-12-16 杭州泰格电子电器有限公司 Mould alclad LED bulb
CN105202415A (en) * 2015-09-07 2015-12-30 浙江晨丰科技有限公司 Improved LED lamp structure
CN105526503A (en) * 2016-01-14 2016-04-27 浙江晨丰科技股份有限公司 Integral-structure light emitting diode (LED) lamp
CN205606237U (en) * 2016-05-05 2016-09-28 宋勇青 LED lamp with improved heat radiation structure

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201568769U (en) * 2009-11-24 2010-09-01 陈荣生 Led illuminating lamp

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104949079A (en) * 2015-05-18 2015-09-30 浙江晨丰科技有限公司 Connecting structure for LED lamp radiator cover plate and radiator shell
CN204879555U (en) * 2015-08-03 2015-12-16 杭州泰格电子电器有限公司 Mould alclad LED bulb
CN105114915A (en) * 2015-08-17 2015-12-02 浙江晨丰科技有限公司 LED lamp heat dissipation device
CN204853176U (en) * 2015-09-07 2015-12-09 浙江晨丰科技有限公司 LED lamp improves structure
CN105202415A (en) * 2015-09-07 2015-12-30 浙江晨丰科技有限公司 Improved LED lamp structure
CN105526503A (en) * 2016-01-14 2016-04-27 浙江晨丰科技股份有限公司 Integral-structure light emitting diode (LED) lamp
CN205606237U (en) * 2016-05-05 2016-09-28 宋勇青 LED lamp with improved heat radiation structure

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