CN201593701U - High-power LED bulb - Google Patents

High-power LED bulb Download PDF

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Publication number
CN201593701U
CN201593701U CN2009202691704U CN200920269170U CN201593701U CN 201593701 U CN201593701 U CN 201593701U CN 2009202691704 U CN2009202691704 U CN 2009202691704U CN 200920269170 U CN200920269170 U CN 200920269170U CN 201593701 U CN201593701 U CN 201593701U
Authority
CN
China
Prior art keywords
led bulb
insulation
power led
radiator
insulation shell
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
CN2009202691704U
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Chinese (zh)
Inventor
吴俊纬
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.)
Guangzhou Nanker Integrated Electronic Co Ltd
Original Assignee
Guangzhou Nanker Integrated Electronic 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
Publication date
Application filed by Guangzhou Nanker Integrated Electronic Co Ltd filed Critical Guangzhou Nanker Integrated Electronic Co Ltd
Priority to CN2009202691704U priority Critical patent/CN201593701U/en
Application granted granted Critical
Publication of CN201593701U publication Critical patent/CN201593701U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a high-power LED bulb, which can avoid electric shock and have fine safety and long service life. The high-power LED bulb comprises a lamp cap (1), an insulation casing (2), an insulation transparent front lampshade (3), a light source panel (4) integrated with an LED chip, a radiator (5), a driving power component (6) and a thermoswitch (8) used for cutting power when a lamp is at high temperature. The front end of the insulation casing (2) is fixedly connected with the insulation transparent front lampshade (3) and forms a holding cavity, the light source panel (4), the radiator (5), the driving power component (6) and the thermoswitch (8) are all placed inside the holding cavity, the radiator (5) comprises a bottom plate (50), the bottom surface of the bottom plate (50) is a plane portion tightly clinging to the light source panel (4), the top surface of the bottom plate (50) is provided with radiating columns (51) and projection portions (52) or sunken portions used for enlarging radiating area, and pluralities of radiating grooves (21) communicated with an inner cavity are disposed on the lateral wall of the insulation casing (2). The high-power LED bulb can be applied to the LED illumination field.

Description

A kind of high-power LED bulb
Technical field
The utility model relates to a kind of high-power LED bulb.
Background technology
Traditional bulb is commonly incandescent light bulb, and its illumination is lower, and light is not bright, not energy-conservation; Fluorescent lamp (being called electricity-saving lamp again) bulb occurred after the incandescent lamp bulb, though it is more energy-conservation, light is brighter, since a large amount of fluorescent material that uses, therefore not enough environmental protection.Occurred more energy-conservation at present and led light source environmental protection, produced the LED bulb thereupon.LED has plurality of advantages such as luminous efficiency height, energy saving and life-span length, and it is used more and more widely, is representing the developing direction of following lighting source.
LED is applied to normal lighting, in order to reach illumination requirement, generally a plurality of power-type LEDs will be concentrated on the light fixture and use, so the heat radiation of LED becomes a key factor that influences LED light fixture user mode and life-span, especially all the more so for high-power LED lamp.Existing LED bulb is in order to provide good heat radiation, generally with the metal manufacturings such as all or part of employing aluminium of lamp housing, wherein the light source board of integrated LED chip is connected with the metal lamp housing to improve heat-conducting effect, but this LED bulb is when improving the heat conduction and heat radiation effect, the potential danger that makes existence of metal lamp housing and light source board and drive circuit short circuit electric leakage, there is potential safety hazard, especially in the high pressure light fixture, can not satisfies the requirement of relevant safety.If be applied in the Low voltage lamp, though security is better, its efficient is then lower, and therefore energy-saving effect makes a discount.In addition, in the existing LED bulb, the high temperature protection device is not set all, in case the temperature of LED bulb is too high, also can't self-protection, cause its service life short.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provides that a kind of hidden danger of can avoiding getting an electric shock, security are good, the high-power LED bulb of long service life.
The technical scheme that the utility model adopted is: the utility model comprises lamp holder, described high-power LED bulb also comprises the insulation shell that has inner chamber, insulation printing opacity front lamp cover, the light source board of integrated LED chip, radiator, the driving power assembly, be used for the thermoswitch of when light fixture high temperature, cutting off the electricity supply, the front end of described insulation shell and described insulation printing opacity front lamp cover are fixedly connected and form a ccontaining cavity, described light source board, described radiator, described driving power assembly, described thermoswitch all places in the described ccontaining cavity, the rear end of described insulation shell and described lamp holder are fixedly connected, described radiator comprises base plate, the bottom surface of described base plate is the planar portions that is used to fit tightly described light source board, the end face of described base plate is provided with some thermal columns that are arranged in array, the end face of described base plate also is provided with several lug boss or depressed parts of being used to increase area of dissipation, and the sidewall of described insulation shell is provided with several radiating grooves that communicates with inner chamber.
Described high-power LED bulb also comprises radiator fan, and described radiator fan places in the described ccontaining cavity.
Be provided with in each described radiating groove place in the sidewall of described insulation shell and be used to the occlusion part of avoiding described radiating groove and described ccontaining cavity directly to communicate, described occlusion part and described radiating groove are in circumferentially synchronous setting.
The front end of described insulation shell is provided with cannelure, and the edge of described insulation printing opacity front lamp cover and described cannelure plug and decide by gluing or ultrasonic heat blow.
The inwall of described insulation printing opacity front lamp cover is provided with the luminous intensity distribution decorative pattern.
Described insulation shell, described insulation printing opacity front lamp cover all adopt the plastics manufacturing.
The beneficial effects of the utility model are: because the utility model comprises the insulation shell that has inner chamber, insulation printing opacity front lamp cover, the light source board of integrated LED chip, radiator, the driving power assembly, be used for the thermoswitch of when light fixture high temperature, cutting off the electricity supply, the front end of described insulation shell and described insulation printing opacity front lamp cover are fixedly connected and form a ccontaining cavity, described light source board, described radiator, described driving power assembly, described thermoswitch all places in the described ccontaining cavity, the rear end of described insulation shell and described lamp holder are fixedly connected, described radiator comprises base plate, the bottom surface of described base plate is the planar portions that is used to fit tightly described light source board, the end face of described base plate is provided with some thermal columns that are arranged in array, the end face of described base plate also is provided with several lug boss or depressed parts of being used to increase area of dissipation, the sidewall of described insulation shell is provided with several radiating grooves that communicates with inner chamber, the utility model is by the described light source board that possibility is charged, described radiator, described driving power assembly, described thermoswitch all places in the described ccontaining cavity that is connected to form by described insulation shell and described insulation printing opacity front lamp cover, make and not contact by charged parts with the external world, during normal the use, human body touch is less than the charged parts of possibility, make lamp body and the extraneous place that may touch insulate, therefore avoided the potential potential safety hazard of getting an electric shock, improve security greatly, can satisfy the requirement of relevant safety; The utility model is provided with described thermal column and described lug boss or depressed part by the end face at described base plate, increased area of dissipation greatly, while is rapid with the described base plate heat conduction of the described radiator that described light source board fits tightly, therefore the heat of LED generation is able to be dispersed into the external world rapidly by described radiating groove, avoided gathering of heat, help reducing the operating temperature of LED bulb, make the life-span prolong; In addition, the utility model is by being provided with described thermoswitch, make the power supply of when bulb high temperature, can cutting off the electricity supply automatically, avoid the LED bulb at high temperature to work, prolonged service life, good, the excellent in heat dissipation effect of hidden danger, security, long service life are suitable for high-power LED illumination so the utility model can be avoided getting an electric shock;
Because the utility model also comprises radiator fan, described radiator fan places in the described ccontaining cavity, by described radiator fan is set, make the utility model when illumination work, the heat that described led chip is produced is discharged into outside the lamp body by described radiator fan, by forcing the cold wind circulation, reduce the temperature of LED bulb greatly, can in less space, realize the high-power integrated of led chip, improve illumination and reliability, be suitable for high-power LED bulb, also reduced the cost that high-power LED bulb is used to dispel the heat simultaneously, through test, can be under the 6~30W power long-time operate as normal of LED bulb of the present utility model, so the utility model volume is little, is easier to replace existing electricity-saving lamp, is suitable for high-power LED illumination;
Be used to the occlusion part of avoiding described radiating groove and described ccontaining cavity directly to communicate owing to be provided with in each described radiating groove place in the sidewall of insulation shell described in the utility model, described occlusion part and described radiating groove circumferentially are being provided with synchronously, the described occlusion part that is provided with can avoid human body to contact with the element of bulb inside with described radiating groove synchronously, further improve security, also have effect dustproof, insect protected simultaneously, the utility model is safe, dustproof, vermins-proof effect is good.
Description of drawings
Fig. 1 is the blast structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the vertical section of the utility model embodiment one;
Fig. 3 is the side structure schematic diagram of the utility model embodiment one insulation shell;
Fig. 4 is an A-A section structure schematic diagram shown in Figure 3;
Fig. 5 is the side structure schematic diagram of the utility model embodiment two insulation shells;
Fig. 6 is a B-B section structure schematic diagram shown in Figure 5;
Fig. 7 is the circuit theory diagrams of the utility model embodiment one;
Fig. 8 is the circuit theory diagrams of the utility model embodiment two;
Fig. 9 is the circuit theory diagrams of the utility model embodiment three.
The specific embodiment
Embodiment one:
As Fig. 1~shown in Figure 4, the LED bulb of present embodiment comprises lamp holder 1, the insulation shell 2 that has inner chamber, insulation printing opacity front lamp cover 3, the light source board 4 of integrated LED chip, radiator 5, driving power assembly 6, radiator fan 7, be used for the thermoswitch 8 of when light fixture high temperature, cutting off the electricity supply, the front end of described insulation shell 2 and described insulation printing opacity front lamp cover 3 are fixedly connected and form a ccontaining cavity, described light source board 4, described radiator 5, described driving power assembly 6, described radiator fan 7, described thermoswitch 8 all places in the described ccontaining cavity, the rear end of described insulation shell 2 and described lamp holder 1 are fixedly connected, the inwall of described insulation printing opacity front lamp cover 3 is provided with luminous intensity distribution decorative pattern 31, to improve light distribution effect, realization illumination is even, described radiator 5 comprises base plate 50, the bottom surface of described base plate 50 is the planar portions that is used to fit tightly described light source board 4, the end face of described base plate 50 is provided with some thermal columns that are arranged in array 51, the end face of described base plate 50 also is provided with several lug bosses 52 that is used to increase area of dissipation, can certainly be arranged to depressed part, the sidewall of described insulation shell 2 is provided with several radiating grooves that communicates with inner chamber 21, be provided with in each described radiating groove 21 place in the sidewall of described insulation shell 2 and be used to the occlusion part 22 of avoiding described radiating groove 21 and described ccontaining cavity directly to communicate, described occlusion part 22 circumferentially is being provided with synchronously with described radiating groove 21, can avoid human body to contact with the element of bulb inside, further improve security, also have dustproof simultaneously, the effect of insect protected, the front end of described insulation shell 2 is provided with cannelure 23, the edge of described insulation printing opacity front lamp cover 3 and described cannelure 23 plug and fix by gluing, can certainly be fixed by the ultrasonic heat blow, described insulation shell 2, described insulation printing opacity front lamp cover 3 all adopts the plastics manufacturing.
As shown in Figure 7; the Drive and Control Circuit of present embodiment is a kind of non-isolated constant-current LED lighting circuit, the filter circuit that comprises the bridge rectifier be made up of commutation diode D1~D4, is made up of electrochemical capacitor C, resistance R 1, the road load that several LED are together in series, the constant-current control circuit that is made of a constant-current source MOS device CCS, the overcurrent that is made of fuse short circuit F1 and short-circuit protection circuit, the fan circuit that is made of resistance R 1 and fan interface J1, the overtemperature prote circuit that is made of thermoswitch F2 (being thermoswitch 8 among Fig. 1).Above-mentioned high drive control circuit is than low-voltage LED circuit efficiency height.
Present embodiment is by the described light source board 4 that possibility is charged, described radiator 5, described driving power assembly 6, described radiator fan 7, described thermoswitch 8 all places in the described ccontaining cavity that is connected to form by described insulation shell 2 and described insulation printing opacity front lamp cover 3, make and not contact by charged parts with the external world, during normal the use, human body touch is less than the charged parts of possibility, make lamp body and the extraneous place that may touch insulate, therefore avoided the potential potential safety hazard of getting an electric shock, improve security greatly, can satisfy the requirement of relevant safety; The utility model is provided with described thermal column 51 and described lug boss 52 or depressed part by the end face at described base plate 50, increased area of dissipation greatly, while is rapid with described base plate 50 heat conduction of the described radiator 5 that described light source board 4 fits tightly, therefore the heat of LED generation is able to be dispersed into the external world rapidly by described radiating groove 21, avoided gathering of heat, help reducing the operating temperature of LED bulb, make the life-span prolong; By described radiator fan 7 is set, make the utility model when illumination work, the heat that described led chip is produced is discharged into outside the lamp body by described radiator fan 7, by forcing the cold wind circulation, reduce the temperature of LED bulb greatly, can in less space, realize the high-power integrated of led chip, improve illumination and reliability, be more suitable in high-power LED bulb, also reduced simultaneously the cost that high-power LED bulb is used to dispel the heat, through test, can be under the 6~30W power long-time operate as normal of LED bulb of the present utility model; In addition, the utility model is by being provided with described thermoswitch 8, make the power supply of when bulb high temperature, can cutting off the electricity supply automatically, avoid the LED bulb at high temperature to work, prolonged service life, so the utility model can be avoided getting an electric shock that hidden danger, security are good, excellent in heat dissipation effect, long service life, volume is little, be easier to replace existing electricity-saving lamp, be suitable for high-power LED illumination.
Embodiment two:
As Fig. 5, Fig. 6, shown in Figure 8, the difference part of present embodiment and embodiment one is: in the present embodiment, occlusion part 22 is not set in the sidewall of described insulation shell 2, to improve the speed of heat flow, the path of reducing heat flow; In addition, the Drive and Control Circuit of present embodiment comprises the two-way load that several LED are together in series, the load of every road all is in series with the constant-current control circuit that a constant-current source MOS device CCS constitutes, series connection back two-way place in circuit in parallel again, the load that two-way is controlled respectively can not disturbed mutually, after a path loss is bad, still can work in another road.
All the other features of present embodiment are with embodiment one.
Embodiment three:
As shown in Figure 9, the difference part of present embodiment and embodiment one is: in the present embodiment, radiator fan 7 is not set, and directly the free convection by heat is dispersed into the external world with heat by described radiating groove 21; Accordingly, the Drive and Control Circuit of present embodiment does not comprise fan circuit yet.Present embodiment is suitable for hour use of power, but still can guarantee operate as normal under the power of 1~4W.
All the other features of present embodiment are with embodiment one.
The utility model can be widely used in the LED lighting field.

Claims (6)

1. high-power LED bulb, comprise lamp holder (1), it is characterized in that: described high-power LED bulb also comprises the insulation shell (2) that has inner chamber, insulation printing opacity front lamp cover (3), the light source board of integrated LED chip (4), radiator (5), driving power assembly (6), be used for the thermoswitch (8) of when light fixture high temperature, cutting off the electricity supply, the front end of described insulation shell (2) and described insulation printing opacity front lamp cover (3) are fixedly connected and form a ccontaining cavity, described light source board (4), described radiator (5), described driving power assembly (6), described thermoswitch (8) all places in the described ccontaining cavity, the rear end of described insulation shell (2) and described lamp holder (1) are fixedly connected, described radiator (5) comprises base plate (50), the bottom surface of described base plate (50) is for being used to fit tightly the planar portions of described light source board (4), the end face of described base plate (50) is provided with some thermal columns that are arranged in array (51), the end face of described base plate (50) also is provided with several lug boss that is used to increase area of dissipation (52) or depressed parts, and the sidewall of described insulation shell (2) is provided with several radiating grooves that communicates with inner chamber (21).
2. high-power LED bulb according to claim 1 is characterized in that: described high-power LED bulb also comprises radiator fan (7), and described radiator fan (7) places in the described ccontaining cavity.
3. high-power LED bulb according to claim 1 and 2, it is characterized in that: locate to be provided with in each described radiating groove (21) in the sidewall of described insulation shell (2) and be used to the occlusion part (22) of avoiding described radiating groove (21) and described ccontaining cavity directly to communicate, described occlusion part (22) and described radiating groove (21) are in circumferentially setting synchronously.
4. high-power LED bulb according to claim 1 and 2, it is characterized in that: the front end of described insulation shell (2) is provided with cannelure (23), and the edge of described insulation printing opacity front lamp cover (3) and described cannelure (23) plug and decide by gluing or ultrasonic heat blow.
5. high-power LED bulb according to claim 1 and 2 is characterized in that: the inwall of described insulation printing opacity front lamp cover (3) is provided with luminous intensity distribution decorative pattern (31).
6. high-power LED bulb according to claim 1 and 2 is characterized in that: described insulation shell (2), described insulation printing opacity front lamp cover (3) all adopt the plastics manufacturing.
CN2009202691704U 2009-12-30 2009-12-30 High-power LED bulb Expired - Fee Related CN201593701U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202691704U CN201593701U (en) 2009-12-30 2009-12-30 High-power LED bulb

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Application Number Priority Date Filing Date Title
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102095174A (en) * 2010-11-11 2011-06-15 陕西科技大学 LED driving power supply for separating quick-wear part
CN102418863A (en) * 2011-10-27 2012-04-18 宁波腾隆户外用品有限公司 Large-power light-emitting diode (LED) lamp
CN102563390A (en) * 2010-12-21 2012-07-11 傅恒扬 LED lamp with light source dispersity
CN102563386A (en) * 2010-12-16 2012-07-11 展晶科技(深圳)有限公司 Lamp and manufacturing method for same
CN102720960A (en) * 2012-05-30 2012-10-10 广州菁彩光电科技有限公司 High-efficiency heat conduction and radiation integrated LED lamp capable of being automatically produced
CN102759025A (en) * 2011-04-28 2012-10-31 东莞勤上光电股份有限公司 Cup-shaped LED lamp and radiating structure thereof
CN102109104B (en) * 2009-12-30 2012-11-21 广州南科集成电子有限公司 High-power LED bulb
WO2013029207A1 (en) * 2011-08-26 2013-03-07 东莞泰德照明科技有限公司 Modular led lamp
CN103062643A (en) * 2011-10-21 2013-04-24 深圳长城开发科技股份有限公司 Light-emitting diode (LED) bulb
CN103062646A (en) * 2011-10-18 2013-04-24 建准电机工业股份有限公司 Lamp
CN103836377A (en) * 2012-11-20 2014-06-04 宜兴市宏力灯杆灯具有限公司 High-power LED light source module lamp
CN104136832A (en) * 2012-02-20 2014-11-05 夏普株式会社 Lighting device

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102109104B (en) * 2009-12-30 2012-11-21 广州南科集成电子有限公司 High-power LED bulb
CN102095174A (en) * 2010-11-11 2011-06-15 陕西科技大学 LED driving power supply for separating quick-wear part
CN102563386A (en) * 2010-12-16 2012-07-11 展晶科技(深圳)有限公司 Lamp and manufacturing method for same
CN102563390A (en) * 2010-12-21 2012-07-11 傅恒扬 LED lamp with light source dispersity
CN102759025A (en) * 2011-04-28 2012-10-31 东莞勤上光电股份有限公司 Cup-shaped LED lamp and radiating structure thereof
WO2013029207A1 (en) * 2011-08-26 2013-03-07 东莞泰德照明科技有限公司 Modular led lamp
CN103062646B (en) * 2011-10-18 2016-04-20 建准电机工业股份有限公司 Light fixture
CN103062646A (en) * 2011-10-18 2013-04-24 建准电机工业股份有限公司 Lamp
CN103062643B (en) * 2011-10-21 2015-11-18 深圳长城开发科技股份有限公司 A kind of LEDbulb lamp
CN103062643A (en) * 2011-10-21 2013-04-24 深圳长城开发科技股份有限公司 Light-emitting diode (LED) bulb
CN102418863A (en) * 2011-10-27 2012-04-18 宁波腾隆户外用品有限公司 Large-power light-emitting diode (LED) lamp
CN104136832A (en) * 2012-02-20 2014-11-05 夏普株式会社 Lighting device
CN104136832B (en) * 2012-02-20 2017-07-25 夏普株式会社 Lighting device
CN102720960A (en) * 2012-05-30 2012-10-10 广州菁彩光电科技有限公司 High-efficiency heat conduction and radiation integrated LED lamp capable of being automatically produced
CN103836377A (en) * 2012-11-20 2014-06-04 宜兴市宏力灯杆灯具有限公司 High-power LED light source module lamp

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

Granted publication date: 20100929

Termination date: 20171230