CN201909214U - Inner axial heat dissipation type LED (light-emitting diode) ball lamp - Google Patents

Inner axial heat dissipation type LED (light-emitting diode) ball lamp Download PDF

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Publication number
CN201909214U
CN201909214U CN2010206856592U CN201020685659U CN201909214U CN 201909214 U CN201909214 U CN 201909214U CN 2010206856592 U CN2010206856592 U CN 2010206856592U CN 201020685659 U CN201020685659 U CN 201020685659U CN 201909214 U CN201909214 U CN 201909214U
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CN
China
Prior art keywords
led
radiator
cooling type
type led
circuit board
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010206856592U
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Chinese (zh)
Inventor
刘晓辉
黄鹤鸣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Juzuo Lighting Co.,Ltd.
Original Assignee
SHENZHEN COLLECTION ENTERPRISES CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by SHENZHEN COLLECTION ENTERPRISES CO Ltd filed Critical SHENZHEN COLLECTION ENTERPRISES CO Ltd
Priority to CN2010206856592U priority Critical patent/CN201909214U/en
Application granted granted Critical
Publication of CN201909214U publication Critical patent/CN201909214U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an LED lamp, particularly to an inner axial heat dissipation type LED ball lamp. The inner axial heat dissipation type LED ball lamp comprises an LED lamp holder, an LED power source, a radiator, a PCB (printed circuit board circuit board), an LED chip, and an LED lens, which are arranged sequentially from bottom to top, and is characterized by further comprising a radiating cover, wherein the LED lamp holder is connected with the lower end of the radiating cover, the LED lens is arranged at the upper end of the radiating cover, and the radiator is positioned in the radiating cover. For the reason that the radiating cover is additionally arranged, a radiating space is formed between the radiating cover and the radiator, the axial aluminum radiator is arranged below the PCB circuit board to transmit heat from the bottom of the LED rapidly; and an open-ended convection environment is provided for heat dissipation of the LED through the radiating cover, so that heat exchange of the radiated heat and air outside the LED lamp is carried out, and the quick heat dissipation is realized.

Description

Interior axle cooling type LED bulb lamp
Technical field
The utility model relates to the LED light fixture, is specifically related to a kind of interior axle cooling type LED bulb lamp.
Background technology
The LED lamp is as the novel energy-saving illumination light source of 21st century, has higher luminous efficiency, long, low radiation, low-voltage of life-span, volume is little, toggle speed is fast, safety, environmental protection, antidetonation resistance to compression, characteristics such as easy to control are generally used by people.The kind of LED light fixture is a lot, comprises LED bulb lamp, LED tube lamp, LED Solar lamp or the like.The core luminous component of LED lamp is the LED tube core, and the LED tube core can produce a large amount of heats in the work, and the untimely heat of draining will impact the service life of LED tube core, and this also is to influence the LED lamp principal element in service life.
In order to address this problem, the LED lamp all is equipped with radiator mostly, has solved heat dissipation problem to a certain extent.At present, existing LED bulb lamp, led chip is welded on the PCB circuit board, the circuit board bottom connects radiator, radiator adopts tubular structure, the bottom of radiator directly connects lamp holder, in airtight space of the inner formation of PCB circuit board, lamp holder and radiator, mainly relies on this airtight space to dispel the heat; This radiating mode, can't realize heat loss through convection, heat can only flow and can not take out of outside the LED bulb lamp by very fast quilt in airtight interior volume, makes the inherent long-time interior higher temperature that keeps of LED bulb lamp, cause radiating efficiency low, can not fundamentally solve the heat dissipation problem of LED bulb lamp.
The utility model content
In order to solve the deficiencies in the prior art, fundamentally solve the heat dissipation problem of LED bulb lamp, the purpose of this utility model is to provide a kind of interior axle cooling type LED bulb lamp.
For achieving the above object, the technical scheme that the utility model adopted is as follows:
Axle cooling type LED bulb lamp in a kind of, comprise LED lamp holder, LED power supply, radiator, PCB circuit board, led chip, LED lens from bottom to up successively, it is characterized in that: it has also comprised a heat dissipating housing, the heat dissipating housing lower end connects the LED lamp holder, its upper end connects the LED lens, and radiator is positioned at heat dissipating housing.
Radiator described in the utility model adopts axial Aluminium Radiator, its center is provided with a cable-through hole that axially runs through radiator, the lower end of radiator be provided with one with the cavity of power supply size coupling, radiator is provided with fin, fin becomes circle distribution along axle, is provided with heat dissipation channel between the every fin.
Heat dissipating housing described in the utility model comprises: retainer plate is used for fixing the LED lens; Connecting ring is in order to connect the LED lamp holder; And the support bar between retainer plate and connecting ring; Retainer plate and connecting ring are connected as a single entity by support bar.
Described heat dissipating housing also is included in the cassette tape that is provided with in the retainer plate, and cassette tape is provided with latch; End periphery is provided with the hole clipping of mating with latch under the described LED lens.
Be provided with screw thread in the described retainer plate, described LED lens lower end is provided with the screw thread that the screw thread with retainer plate inside is complementary; Be provided with screw thread in the described connecting ring, described LED lamp holder upper end be provided with connecting ring on the screw thread that is complementary of screw thread.
PCB circuit board described in the utility model and radiator are provided with screw, and the PCB circuit board is fixed on the radiator by screw.
Axle cooling type LED bulb lamp also comprises the silicagel pad between radiator and PCB circuit board in of the present utility model.
The thickness of described silicagel pad is 0.3mm.
The material of described heat dissipating housing is a rigid plastics, obtains by injection moulding process.
The beneficial effects of the utility model are: the utility model is provided with heat dissipating housing, between heat dissipating housing and radiator, form heat-dissipating space, heat dissipating housing provides an open convection environment for the heat radiation of LED, and axial Aluminium Radiator is set below the PCB circuit board, can fast heat be transmitted from the LED bottom; Heat and the LED lamp air outward that gives out can be carried out heat exchange, thereby realize quick heat radiating.In addition, the utility model is provided with one deck silicagel pad between radiator and PCB circuit board, effectively reduces the thermal resistance between PCB circuit board and the axial Aluminium Radiator, can avoid causing thermal resistance to increase because of the technological problems of reality, and further strengthen radiating effect.
Be described in further detail with the present invention below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the interior axle cooling type LED bulb lamp outside drawing of utility model;
Fig. 2 is an interior axle cooling type LED bulb lamp broken away view of the present utility model;
Fig. 3 is the axial Aluminium Radiator cross-sectional view of the utility model axle cooling type LED bulb lamp;
The heat dissipating housing structural representation of Fig. 4 the utility model axle cooling type LED bulb lamp.
The specific embodiment
As shown in Figure 1 and Figure 2, axle cooling type LED bulb lamp of the present invention, comprise LED lamp holder 1, LED power supply 2, radiator 4, PCB circuit board 6, led chip 7, LED lens 8 successively, it is characterized in that: it has also comprised a heat dissipating housing 3, heat dissipating housing 3 lower ends connect LED lamp holder 1, its upper end connects LED lens 8, and radiator 4 is positioned at heat dissipating housing 3.
Preferred radiator .4 described in the utility model adopts axial Aluminium Radiator, its center is provided with a cable-through hole 41 that axially runs through radiator, the lower end of radiator be provided with one with the cavity of power supply size coupling, radiator is provided with fin 42, fin becomes circle distribution along axle, is provided with heat dissipation channel 43 between the every fin.Preferred described heat dissipating housing comprises: retainer plate 31 is used for fixing LED lens 8; Connecting ring 33 is in order to connect LED lamp holder 1; And the support bar 32 between retainer plate 31 and connecting ring 33; Retainer plate 31 and connecting ring 33 connect as one by support bar 32.
In the utility model preferred version, described heat dissipating housing 3 also is included in the cassette tape 34 that is provided with in the retainer plate 31, cassette tape 34 is provided with latch, and 8 times end peripheries of described LED lens are provided with the hole clipping with the latch coupling, and described LED lens 8 are connected heat dissipating housing 3 upper ends by the engaging mode.Perhaps be provided with screw thread in retainer plate 31, described LED lens 8 lower ends are provided with the screw thread that the screw thread with retainer plate 31 inside is complementary, and LED lens 8 are tightened on retainer plate 31 inside; Be provided with screw thread in the described connecting ring 33, described LED lamp holder 1 upper end be provided with connecting ring 33 in the screw thread that is complementary of screw thread, the LED lamp holder is tightened in the connecting ring 33.
The preferred scheme of the utility model, described PCB circuit board 6 and radiator 4 are provided with screw, and PCB circuit board 6 is fixed on the radiator 4 by screw.
Preferably, axle cooling type LED bulb lamp also comprises 6 the silicagel pad 5 that is positioned at radiator 4 and PCB circuit board in the utility model, and described silicagel pad 5 preferred thickness are 0.3mm.Silicagel pad can effectively reduce the thermal resistance between PCB circuit board and the axial Aluminium Radiator, can avoid causing thermal resistance to increase because of the technological problems of reality, and further strengthen radiating effect.
The material of described heat dissipating housing 3 is a rigid plastics, obtains by injection moulding process.
The total height of LED bulb lamp is 120mm in the specific embodiment, and wherein substructure height is 35-45mm, and the heat dissipating housing height is 50-55mm, the high 25-30mm of LED lens.The axial Aluminium Radiator height of the present invention is 45-50mm, wherein the thickness of every fin is no more than 2mm, and the distance of heat dissipation channel the widest part is at 2.5-3mm, fin axial distribution around the radiator, the area of dissipation of the radiator of this structure is very big, in order further to increase the area of dissipation of radiator, the fin cross section roughly is deer horn shape; In addition, the center of radiator only is provided with a cable-through hole, and the diameter of cable-through hole is no more than 5mm, and the heat that produces in the work of led chip is the heat sink bottom it directly, and carries out heat exchange with the radiator ambient air, realizes the convection type heat radiation.
Above embodiment only be the utility model preferred embodiment or embodiment, can not see it is to restriction of the present utility model, those skilled in the art does the distortion or the replacement of any unsubstantiality on this basis, all belongs to protection domain of the present utility model.

Claims (8)

1. axle cooling type LED bulb lamp in a kind, comprise LED lamp holder, LED power supply, radiator, PCB circuit board, led chip, LED lens from bottom to up successively, it is characterized in that: it has also comprised a heat dissipating housing, the heat dissipating housing lower end connects the LED lamp holder, its upper end connects the LED lens, and radiator is positioned at heat dissipating housing.
2. axle cooling type LED bulb lamp in according to claim 1, it is characterized in that: described radiator adopts axial Aluminium Radiator, its center is provided with a cable-through hole that axially runs through radiator, the lower end of radiator be provided with one with the cavity of power supply size coupling, radiator is provided with fin, fin becomes circle distribution along axle, is provided with heat dissipation channel between the every fin.
3. axle cooling type LED bulb lamp in according to claim 1, it is characterized in that: described heat dissipating housing comprises: retainer plate is used for fixing the LED lens; Connecting ring is in order to connect the LED lamp holder; And the support bar between retainer plate and connecting ring; Retainer plate and connecting ring are connected as a single entity by support bar.
4. axle cooling type LED bulb lamp in according to claim 3, it is characterized in that: described heat dissipating housing also is included in the cassette tape that is provided with in the retainer plate, and cassette tape is provided with latch; End periphery is provided with the hole clipping of mating with latch under the described LED lens.
5. axle cooling type LED bulb lamp in according to claim 3 is characterized in that: be provided with screw thread in the described retainer plate, described LED lens lower end is provided with the screw thread that the screw thread with retainer plate inside is complementary; Be provided with screw thread in the described connecting ring, described LED lamp holder upper end be provided with connecting ring on the screw thread that is complementary of screw thread.
6. axle cooling type LED bulb lamp in according to claim 1, it is characterized in that: described PCB circuit board and radiator are provided with screw, and the PCB circuit board is fixed on the radiator by screw.
7. axle cooling type LED bulb lamp in according to claim 1, it is characterized in that: it also comprises the silicagel pad between radiator and PCB circuit board.
8. axle cooling type LED bulb lamp in according to claim 7, it is characterized in that: the thickness of described silicagel pad is 0.3mm.
CN2010206856592U 2010-12-28 2010-12-28 Inner axial heat dissipation type LED (light-emitting diode) ball lamp Expired - Fee Related CN201909214U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206856592U CN201909214U (en) 2010-12-28 2010-12-28 Inner axial heat dissipation type LED (light-emitting diode) ball lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206856592U CN201909214U (en) 2010-12-28 2010-12-28 Inner axial heat dissipation type LED (light-emitting diode) ball lamp

Publications (1)

Publication Number Publication Date
CN201909214U true CN201909214U (en) 2011-07-27

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Application Number Title Priority Date Filing Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013127161A1 (en) * 2012-02-29 2013-09-06 正屋(厦门)电子有限公司 Led lamp radiating structure
TWI481799B (en) * 2012-06-19 2015-04-21 Taiwan Fu Hsing Ind Co Ltd Lamp structure
CN113531503A (en) * 2021-07-08 2021-10-22 中节能晶和科技有限公司 LED lamp heat dissipation structure and manufacturing method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013127161A1 (en) * 2012-02-29 2013-09-06 正屋(厦门)电子有限公司 Led lamp radiating structure
GB2514201A (en) * 2012-02-29 2014-11-19 Mainhouse Xiamen Elect Co Ltd LED Lamp radiating structure
TWI481799B (en) * 2012-06-19 2015-04-21 Taiwan Fu Hsing Ind Co Ltd Lamp structure
CN113531503A (en) * 2021-07-08 2021-10-22 中节能晶和科技有限公司 LED lamp heat dissipation structure and manufacturing method thereof

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: SHENZHEN COLLESUN LIGHTING CO., LTD.

Free format text: FORMER NAME: SHENZHEN COLLECTION ENTERPRISES CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 508, vice building, Tian An digital Times Building, Che Kung Temple Industrial Zone, Shennan West Road, Shenzhen, Guangdong, Futian District 518000, China

Patentee after: Shenzhen Juzuo Lighting Co.,Ltd.

Address before: 508, vice building, Tian An digital Times Building, Che Kung Temple Industrial Zone, Shennan West Road, Shenzhen, Guangdong, Futian District 518000, China

Patentee before: Shenzhen Collection Enterprises Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110727

Termination date: 20191228

CF01 Termination of patent right due to non-payment of annual fee