CN201764312U - LED bulb and illuminating system - Google Patents

LED bulb and illuminating system Download PDF

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Publication number
CN201764312U
CN201764312U CN2010202958506U CN201020295850U CN201764312U CN 201764312 U CN201764312 U CN 201764312U CN 2010202958506 U CN2010202958506 U CN 2010202958506U CN 201020295850 U CN201020295850 U CN 201020295850U CN 201764312 U CN201764312 U CN 201764312U
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CN
China
Prior art keywords
lamp
light source
conductive
led light
heat
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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
CN2010202958506U
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Chinese (zh)
Inventor
邓子长
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 Changfang Lighting Industrial Co Ltd
Original Assignee
Shenzhen Changfang Lighting Industrial Co Ltd
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Filing date
Publication date
Application filed by Shenzhen Changfang Lighting Industrial Co Ltd filed Critical Shenzhen Changfang Lighting Industrial Co Ltd
Priority to CN2010202958506U priority Critical patent/CN201764312U/en
Application granted granted Critical
Publication of CN201764312U publication Critical patent/CN201764312U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model is suitable for the illuminating filed and provides an LED bulb and an illuminating system; the LED bulb comprises an LED light source, a spherical lampshade arranged above the LED light source and a driving power supply electrically connected with the LED light source; the LED light source is fixedly welded on a base plate, and the base plate is fixed to a lamp cup with a plurality of heat dissipation fins. In the utility model, the LED light source is fixedly welded on the base plate, and the base plate is fixed to the lamp cup with a plurality of the heat dissipation fins; after the LED light source is lightened, the generated heat is conducted to the heat dissipation fins of the lamp cup through the base plate, the heat dissipation area is greatly increased, heat convection of the heat dissipation fins and the surrounding air is formed at the meantime, after the temperature of the surrounding air of the lamp cup is raised, and the heat flows smoothly among the gaps of the heat dissipation fins, the heat on the heat dissipation fins can be taken away rapidly, the junction temperature of the LED is reduced, the reliability of the LED bulb is greatly improved and the service life thereof is prolonged.

Description

A kind of LED bulb lamp and illuminator
Technical field
The utility model belongs to lighting field, relates in particular to a kind of LED bulb lamp and illuminator.
Background technology
Conventional bulb is an incandescent lamp, and its illumination is lower, and is bright inadequately, and the energy consumption height.Occurred fluorescent lamp behind incandescent lamp bulb, though energy-conservation, brightness is higher, because a large amount of fluorescent material that uses pollutes not enough environmental protection after scrapping.
The led light source that has occurred a kind of more energy-conservation and environmental protection in recent years because of it has outstanding advantages such as energy-saving and environmental protection, luminous efficiency height, life-span are long, is applied to various occasions more and more widely, has produced the LED bulb thereupon.The employing high-power LED light source is applied in the bulb and replaces traditional incandescent lamp and fluorescent lamp to become a kind of development trend.
At present, the great power LED caloric value is bigger, and is poor by its LED bulb lamp radiating effect of making, has a strong impact on its service life.
The utility model content
The purpose of the utility model embodiment is to provide a kind of LED bulb lamp, and it is poor to be intended to solve existing bulb lamp radiating effect, the problem that service life is short.
The utility model embodiment realizes like this, a kind of LED bulb lamp, the driving power that comprises led light source, is located at the sphere lampshade on the described led light source and is electrically connected with described led light source, described led light source is fixedly welded on substrate, and described substrate is fixed in the Lamp cup that has a plurality of radiating fins.
In the utility model embodiment, described radiating fin is located at the lateral surface of described cup, and the area of described radiating fin is along changing from small to big away from the direction of lamp holder.
As preferably, the cross section of described radiating fin is curved, and the spacing of adjacent radiating fin is 1.5~3mm.
Another purpose of the utility model embodiment is to provide a kind of illuminator, and described illuminator comprises above-mentioned LED bulb lamp.
The utility model embodiment is fixedly welded on substrate with led light source, again substrate is fixed in the Lamp cup that has a plurality of radiating fins, after led light source is lighted, the heat of its generation conducts to the radiating fin of Lamp cup rapidly via substrate, area of dissipation heightens, radiating fin and ambient air form thermal convection current simultaneously, the temperature of Lamp cup surrounding air raises after the slit between radiating fin is smooth and easy mobile, heat on the radiating fin is taken away fast, reduced the junction temperature of LED, greatly promote the reliability of LED bulb lamp, prolonged its service life.
Description of drawings
Fig. 1 is the front view of the LED bulb lamp that provides of the utility model embodiment;
Fig. 2 is the explosive view of the LED bulb lamp that provides of the utility model embodiment;
Fig. 3 is the partial sectional view of the LED bulb lamp that provides of the utility model embodiment.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model embodiment is fixedly welded on substrate with led light source, again substrate is fixed in the Lamp cup that has a plurality of radiating fins, after led light source is lighted, the heat of its generation conducts to the radiating fin of Lamp cup rapidly via substrate, area of dissipation heightens, radiating fin and ambient air form thermal convection current simultaneously, the temperature of Lamp cup surrounding air raises after the slit between radiating fin is smooth and easy mobile, heat on the radiating fin is taken away fast, reduced the junction temperature of LED, greatly promote the reliability of LED bulb lamp, prolonged its service life.
The driving power that the LED bulb lamp that the utility model embodiment provides comprises led light source, is located at the sphere lampshade on the described led light source and is electrically connected with described led light source, described led light source is fixedly welded on substrate, and described substrate is fixed in the Lamp cup that has a plurality of radiating fins.
The illuminator that the utility model embodiment provides comprises above-mentioned LED bulb lamp.
Below in conjunction with specific embodiment realization of the present utility model is described in detail.
Shown in Fig. 1~3, the driving power 25 that the LED bulb lamp that the utility model embodiment provides comprises led light source 20, is located at the sphere lampshade 10 on the led light source 20 and is electrically connected with led light source 20, led light source 20 is fixedly welded on substrate 23, and substrate 23 is fixed in the Lamp cup 11 that has a plurality of radiating fins 12.
Among the utility model embodiment, substrate 23 is the conductive and heat-conductive aluminium base, and Lamp cup 11 is heat radiation aluminium Lamp cup.Led light source 20 is fixedly welded on the conductive and heat-conductive aluminium base, and the bottom surface of this led light source 20 contacts with the upper surface face of conductive and heat-conductive aluminium base.Heat radiation aluminium Lamp cup has a hollow cup 29, the top of hollow cup 29 is provided with the platform 13 that is used for fixing the conductive and heat-conductive aluminium base, the conductive and heat-conductive aluminium base is fixed in by self-tapping screw 24 on the platform 13 of cup, and the lower surface of conductive and heat-conductive aluminium base contacts with 13 on this platform.
A plurality of radiating fins 12 are located at the lateral surface of above-mentioned hollow cup 29, and the area of each radiating fin 12 becomes greatly gradually along the direction away from lamp holder, has increased the area of dissipation of Lamp cup 11 greatly.As preferably, the cross section of radiating fin 12 is curved, and the spacing of adjacent radiating fin 12 is 1.5~3mm, and the radiating fin 12 of this shape and spacing is beneficial to the formation thermal convection current.After led light source 20 is lighted, the heat of its generation conducts to the radiating fin 12 of Lamp cup 11 rapidly via the conductive and heat-conductive aluminium base, radiating fin 12 forms thermal convection current with ambient air, the temperature of Lamp cup surrounding air raises after smooth and easy the flowing in slit of 12 of radiating fins, heat on the radiating fin 12 is taken away fast, reduce the junction temperature of LED, greatly promoted the reliability of LED bulb lamp, prolonged its service life.
Among the utility model embodiment, the middle part of conductive and heat-conductive aluminium base is provided with cable-through hole 26, and the driving power of being located in the Lamp cup cup 29 25 is powered via the led light source 20 of this cable-through hole 26 on conduction thermal conductivity aluminum matrix plate.For improving the light efficiency of this LED bulb lamp, in the outer periphery reflecting piece 28 of conductive and heat-conductive aluminium base, this reflecting piece 28 has a taper reflective surface.
Above-mentioned sphere lampshade 10 by plastic cement Figure 14 hoop on Lamp cup 11, plastic cement Figure 14 inboard have one with the ring bar of Lamp cup 11 clampings.Correspondingly, radiating fin 12 is provided with the last draw-in groove 33 of receiving ring bar.The gap that led light source 20 and sphere lampshade 10 keep 10mm-40mm, and, make the bright dipping of this LED bulb lamp even, lampshade no dark space and shade in the inner surface coating leaded light of sphere lampshade 10 and the milky white lacquer of reflex.
In addition, cup 29 bottoms have with the insulation plastic lamp holder 15 the inner card cage that is clasped 34.Insulation plastic lamp holder 15 spins by the screw thread and the conductive copper lamp holder 16 of its underpart.The driving power that is built in lamp body is designed to the wide voltage input of 100-240V, and correspondingly, conductive copper lamp holder 16 can insert civil power fully, is convenient to this LED bulb lamp and replaces traditional incandescent lamp and fluorescent lamp, need not to make the change of any circuit.
The utility model embodiment is fixedly welded on substrate with led light source, again substrate is fixed in the Lamp cup that has a plurality of radiating fins, after led light source is lighted, the heat of its generation conducts to the radiating fin of Lamp cup rapidly via substrate, area of dissipation heightens, radiating fin and ambient air form thermal convection current simultaneously, the temperature of Lamp cup surrounding air raises after the slit between radiating fin is smooth and easy mobile, heat on the radiating fin is taken away fast, reduced the junction temperature of LED, greatly promote the reliability of LED bulb lamp, prolonged its service life.Simultaneously, the cross section of radiating fin is curved, and the spacing of adjacent radiating fin is 1.5~3mm, and the radiating fin of this shape and spacing more helps forming thermal convection current.In addition, driving power is placed in the Lamp cup, make this LED bulb lamp be applied to existing power network line, be beneficial to reducing energy consumption.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims (10)

1. LED bulb lamp, the driving power that comprises led light source, is located at the sphere lampshade on the described led light source and is electrically connected with described led light source, it is characterized in that described led light source is fixedly welded on substrate, described substrate is fixed in the Lamp cup that has a plurality of radiating fins.
2. LED bulb lamp as claimed in claim 1 is characterized in that, described substrate is the conductive and heat-conductive aluminium base, and described Lamp cup is heat radiation aluminium Lamp cup; Described heat radiation aluminium Lamp cup has a hollow cup, and the top of described cup is provided with the platform that is used for fixing described conductive and heat-conductive aluminium base.
3. LED bulb lamp as claimed in claim 2 is characterized in that, described conductive and heat-conductive aluminium base is fixed on the described platform by self-tapping screw, and the lower surface of described conductive and heat-conductive aluminium base contacts with described flat surface; The bottom surface of described led light source contacts with the upper surface face of described conductive and heat-conductive aluminium base.
4. LED bulb lamp as claimed in claim 2 is characterized in that described radiating fin is located at the lateral surface of described cup, and the area of described radiating fin is along changing from small to big away from the direction of lamp holder.
5. LED bulb lamp as claimed in claim 4 is characterized in that the cross section of described radiating fin is curved, and the spacing of adjacent radiating fin is 1.5~3mm.
6. LED bulb lamp as claimed in claim 2 is characterized in that the middle part of described conductive and heat-conductive aluminium base is provided with cable-through hole, and the driving power of being located in the described cup is powered to described led light source via described cable-through hole.
7. LED bulb lamp as claimed in claim 1 is characterized in that, the gap of described led light source and described sphere lampshade is 10mm-40mm, and the inner surface of described sphere lampshade is coated with milky white lacquer.
8. LED bulb lamp as claimed in claim 1, it is characterized in that, described sphere lampshade by plastic cement figure hoop on described Lamp cup, the inboard of described plastic cement figure have one with the ring bar of described Lamp cup clamping, described radiating fin is provided with the last draw-in groove that holds described ring bar.
9. LED bulb lamp as claimed in claim 1 is characterized in that, the bottom of described Lamp cup and the clamping of insulation plastic lamp holder, and described insulation plastic lamp holder and conductive copper lamp holder spin.
10. an illuminator is characterized in that, described illuminator comprises as each described LED bulb lamp of claim 1~9.
CN2010202958506U 2010-08-18 2010-08-18 LED bulb and illuminating system Expired - Fee Related CN201764312U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202958506U CN201764312U (en) 2010-08-18 2010-08-18 LED bulb and illuminating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202958506U CN201764312U (en) 2010-08-18 2010-08-18 LED bulb and illuminating system

Publications (1)

Publication Number Publication Date
CN201764312U true CN201764312U (en) 2011-03-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010202958506U Expired - Fee Related CN201764312U (en) 2010-08-18 2010-08-18 LED bulb and illuminating system

Country Status (1)

Country Link
CN (1) CN201764312U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102798106A (en) * 2012-09-12 2012-11-28 哈尔滨固泰电子有限责任公司 LED (Light Emitting Diode) bulb radiating device and radiating method
WO2012167731A1 (en) * 2011-06-10 2012-12-13 漳州灿坤实业有限公司 A led lamp
CN103672484A (en) * 2012-09-25 2014-03-26 昆山开威电子有限公司 LED lamp wick module and LED bulb with the same
WO2014124569A1 (en) * 2013-02-17 2014-08-21 正圆兴业股份有限公司 Combined light-emitting diode bulb
WO2014198073A1 (en) * 2013-06-09 2014-12-18 广东钇圆光电科技有限公司 Improved lamp-holder structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012167731A1 (en) * 2011-06-10 2012-12-13 漳州灿坤实业有限公司 A led lamp
CN102798106A (en) * 2012-09-12 2012-11-28 哈尔滨固泰电子有限责任公司 LED (Light Emitting Diode) bulb radiating device and radiating method
CN103672484A (en) * 2012-09-25 2014-03-26 昆山开威电子有限公司 LED lamp wick module and LED bulb with the same
WO2014124569A1 (en) * 2013-02-17 2014-08-21 正圆兴业股份有限公司 Combined light-emitting diode bulb
WO2014198073A1 (en) * 2013-06-09 2014-12-18 广东钇圆光电科技有限公司 Improved lamp-holder structure

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C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110316

Termination date: 20130818

C17 Cessation of patent right