CN201306631Y - A bulb and heat radiator thereof - Google Patents

A bulb and heat radiator thereof Download PDF

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Publication number
CN201306631Y
CN201306631Y CNU2008202124723U CN200820212472U CN201306631Y CN 201306631 Y CN201306631 Y CN 201306631Y CN U2008202124723 U CNU2008202124723 U CN U2008202124723U CN 200820212472 U CN200820212472 U CN 200820212472U CN 201306631 Y CN201306631 Y CN 201306631Y
Authority
CN
China
Prior art keywords
pedestal
radiator
bulb
led
column
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
CNU2008202124723U
Other languages
Chinese (zh)
Inventor
李志江
刘平
刘少华
杨波勇
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 run energy Co., Ltd.
Original Assignee
SHENZHEN MASON TECHNOLOGIES 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 SHENZHEN MASON TECHNOLOGIES Co Ltd filed Critical SHENZHEN MASON TECHNOLOGIES Co Ltd
Priority to CNU2008202124723U priority Critical patent/CN201306631Y/en
Application granted granted Critical
Publication of CN201306631Y publication Critical patent/CN201306631Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a bulb and heat radiator thereof; the bulb comprises a LED, a heat radiator for dissipating heat of the LED and a spherical bulb shell covered on the LED; the heat radiator comprises a base and a plurality of fins; the base of the heat radiator is a column body; the fins are extended from the peripheral outer wall of the column base to form the structure that the section of the base central axis is trumpet-shaped. The heat radiator comprises a base and a plurality of fins; the base of the heat radiator is column body; the fins are extended from the peripheral outer wall of the column base to form the structure that the section of the base central axis is trumpet-shaped. The bulb and heat radiator thereof can effectively guarantee the lighting quality and service life of bulb.

Description

Bulb and radiator thereof
Technical field
The utility model relates to a kind of lighting device, particularly relates to light emitting diode (LED, Light-emitting Diode) lamp and radiator thereof.
Background technology
LED can be used as a kind of light source of high benefit.Because little, the low power consumption and other advantages of volume, LED is widely used in fields such as automobile, traffic lights indication, screen display even illumination.During as illuminations, bulb is compared its power saving rate with incandescent lamp, fluorescent lamp and can be reached more than 70%.
Along with the development of application demand, need more and more high power bulbs.But as characteristics of solid light source itself, the heat that high-power more LED sends when work is also high more.Can these heats that send in time derive or distribute, and becomes the key factor that influences LED luminescent quality and life-span.For effectively dispelling the heat the instrument of heat radiation when prior art provides a kind of aluminum extruded formula radiator to be used as LED work.Described radiator roughly is a square structure, comprises plate-shaped base and at the vertically and horizontally arranged a plurality of fins of pedestal one side.The another side of described pedestal is then installed LED.The high heat that radiator by fin structure comes to produce when LED worked is evacuated.
The inventor finds through long-term practice, when using more high-power LED or adopt a plurality of LED to work, the radiator that needs larger volume is led light source work, but when requiring radiator to be the certain volume restriction, its heat dispersion is not good enough, be that above-mentioned prior art radiator is failed fine characteristics in conjunction with led light source to satisfy the application need of led light source, be difficult to guarantee luminescent quality and the life-span of LED.
The utility model content
Be difficult to guarantee the luminescent quality of LED and the technological deficiency in life-span owing to radiating efficiency is not high for solving the prior art bulb, the utility model provides a kind of and dispels the heat well, effectively guarantees the bulb and the radiator thereof in LED luminescent quality and life-span.
A kind of bulb is provided, comprise LED, be the radiator of described LED heat radiation and the spherical cell-shell that shrouds described LED, described radiator comprises pedestal and a plurality of fin, the pedestal of described radiator is a column, described fin extends from the outer wall all around of described column pedestal, and the cross section that forms described pedestal central shaft place is flaring structure.
A kind of radiator also is provided, comprises pedestal and a plurality of fin, the pedestal of described radiator is a column, and described fin extends from the outer wall all around of described column pedestal, and the cross section that forms described pedestal central shaft place is flaring structure.
The beneficial effects of the utility model are: be different from the bulb that prior art adopts the square structure radiator, the utility model especially at the led light source small size, in the characteristics of special angle output light, proposition outer wall distribution fin and to form the cross section be flaring radiator around the pedestal, promptly be not limited to fin is set in a side of radiator base, but fin is set around radiator base, from the cross section at pedestal central shaft place, entire radiator is tubaeform.Like this, the heat that produces during LED work is transferred to radiator base immediately, and pedestal promptly is the center with LED, and heat is exhaled from fin all around.From hot transmission route, heat is dispersed rapidly from all directions from described radiator mediad, reaches the technique effect of big area of dissipation under the small size situation, so radiating efficiency obviously improves the luminescent quality and the life-span of assurance bulb; Simultaneously, the cell-shell that its bigger end of the radiator of flared structure can adaptive bulb has saved other structures that prior art supports cell-shell, saves material and good looking appearance.
Description of drawings
Fig. 1 is the assembling schematic diagram of the utility model bulb first embodiment;
Fig. 2 is the schematic perspective view of radiator among Fig. 1;
Fig. 3 is the schematic perspective view of radiator under the handstand situation among Fig. 1;
Fig. 4 is the schematic cross-section of radiator among Fig. 1;
Fig. 5 is the schematic perspective view of baffle vane among Fig. 1;
Fig. 6 is the schematic perspective view of LED and substrate in combination among Fig. 1;
Fig. 7 is the schematic perspective view of cell-shell among Fig. 1;
Fig. 8 is the schematic perspective view of base among Fig. 1;
Fig. 9 makes the schematic perspective view of lamp holder among Fig. 1;
Figure 10 is the schematic perspective view after the bulb assembling among Fig. 1;
Figure 11 is the side schematic view after the bulb assembling among Fig. 1;
Figure 12 is the schematic perspective view of the lamp holder in the utility model bulb second embodiment;
Figure 13 is the side schematic view of the utility model bulb second embodiment.
The specific embodiment
The practice of inventor of the present utility model through for a long time led light source being combined with radiator, export the characteristics of light at the led light source small size, at special angle, inventing out around the pedestal outer wall distribution fin and forming the cross section is flaring radiator, promptly be not limited to fin is set, but outer wall is provided with fin around radiator base in a side of radiator base.LED is arranged on radiator the inside, leaves a blank so that light penetrates in the direction of LED output light simultaneously, to reach the technique effect of area of dissipation bigger under the small size situation.Below in conjunction with drawings and embodiments the utility model is further specified.
Consulting Fig. 1, is the assembling schematic diagram of the utility model bulb first embodiment.Described bulb comprises stacked successively lamp holder 110, base 120, control panel assembly 130, screw 140, radiator 150, baffle vane 160, LED and board unit 170 and cell-shell 190.
Consult Fig. 2 and Fig. 3 together, described radiator 150 is aluminum extruded formula structures, adopts the aluminium of 99% purity to make, and comprises pedestal 151 and a plurality of fin 152.Described pedestal 151 is columns of central axis direction hollow, fits with above-mentioned baffle vane 160 in the surface 1511 of one end, and the inwall of its hollow space 1513 comprises holddown groove 1512.
Described fin 152 is parallel to the central shaft of described pedestal 151, and all from described column pedestal 151 around outer wall radially extend.Described fin 152 extends towards pedestal 151 1 ends, and its end exceeds the end face of described pedestal 151.Consult Fig. 4 together, described fin 152 is thicker near the part of pedestals 151, and in the attenuation that diminishes gradually of the radial direction away from pedestal 151, the cross section that forms described pedestal 151 central shaft places is flaring structure.Wherein, radiator 150 end faces of horn mouth one end fit in described baffle vane 160, and the less other end and base 120 are fixing.
The end face 1511 of described hollow base 151 1 ends and the described extended fin 152 terminal hierarchic structures that form, the adaptive described baffle vane 160 of the hierarchic structure of formation is used to accommodate LED and board unit 170.
In the present embodiment, described fin 152 is small-sized fin, and its quantity is between the 30-32 sheet, and in other embodiments, described fin can suitably be done greatly, its radiating effect the best between quantity then is made as 15 to 17.
Consulting Fig. 5, is hierarchic structure around the described baffle vane 160, and radiator 150 is recalled by adaptive institute.Surround described LED 172 around the baffle vane 160, the light that LED 172 is sent reflects away, and effectively improves light utilization efficiency.Described baffle vane 160 comprises the chassis of central opening, and the chassis hollow space is used to accommodate electric wire, also is beneficial to the cross-ventilation in radiator 150 pedestals 151, makes things convenient for heat to distribute; The bottom surface of chassis peripheral part fits in the surface 1511 of described radiator 150 pedestals 150.Described baffle vane 160 chassis have perforation 161.
Consult Fig. 6, described LED and board unit 170 comprise substrate 171 and are fixed on a plurality of LED 172 on substrate 171 1 surfaces.The fit chassis surface of above-mentioned baffle vane 160 of the bottom surface of described substrate 171.The periphery of described substrate 171 also comprises screw hole 173.
Consult Fig. 7, described cell-shell 190 is a milky hemispherical glass, its inner surface scribbles the irreflexive material of one deck, its role is to the LED spot light in the cell-shell is processed into and allow the sphere light source of cell-shell whole body uniform illuminating, avoided the glare problem of LED effectively, to avoid the dazzling light of dazzling, light transmission is good simultaneously.Cell-shell 190 bottoms have opening 191, and opening is less than above-mentioned baffle vane 160, and employing glue 180 (shown in Figure 1) is bonded in the described baffle vane 160.
Consult Fig. 8, described base 120 is used to accommodate control panel assembly 130, and comprises screw hole post 121, during assembling, utilizes the holddown groove 1512 on screw hole 173 on LED and the board unit 170, the perforation 161 on the baffle vane 160, radiator 150 pedestals 150.Adopt screw 140 grades with above-mentioned LED and board unit 170, baffle vane 160 and radiator 150 lockings.
Consult Fig. 9, described lamp holder 110 is the universal sockets that can patch the common bulb lamp socket, has external screw thread and interior rib-loop.Described common bulb can be an incandescent light bulb.Cooperate the interior rib-loop of lamp holder 110, the outer rib-loop of above-mentioned base 120 bottoms can screw in described lamp holder 110, to make up described base 120 and lamp holder 110.
During assembling, described base 120 fixing described control panel assemblies 130, adopt screw 140 grades to connect described base 120, radiator 150, baffle vane 160, LED and board unit 170, the effect of baffle vane here is to be connected described radiator 150 and described cell-shell 190.The input of described control panel assembly 130 connects the electrode of described lamp holder 110, and output meets described LED 172 by the hollow space 1513 of radiator 150 pedestals 150.Be assembled into bulb as shown in Figure 10 and Figure 11 at last.
In sum, be different from the bulb that prior art adopts the square structure radiator, the utility model especially at the led light source small size, in the characteristics of special angle output light, proposition outer wall distribution fin and to form the cross section be flaring radiator 150 around the pedestal, promptly be not limited to fin is set, but around radiator 150 pedestals 151, fin 152 be set in a side of radiator 150 pedestals 151.Like this, the heat that produces during LED work is transferred to radiator 150 pedestals 151 by substrate 171 immediately, and pedestal 151 is the center with LED 172 promptly, and heat is exhaled from fin 152 all around.From hot transmission route, except leaving the space that LED emits beam for, entire radiator 150 is the cylinder of the deep trouth of outer wall arrangement all around, heat is dispersed rapidly from all directions from described cylinder mediad, reach the technique effect that to obtain bigger area of dissipation under the small size situation, so radiating efficiency improves obviously; Simultaneously, radiator 150 its bigger ends of flared structure can adaptive bulb cell-shell, other structures of prior art support cell-shell have been saved, save material and good looking appearance, and, radiator 150 bigger ends of flared structure are provided with LED 172, can obtain better radiating effect, reason is that the area of dissipation of radiator 150 bigger ends is bigger, heat can be distributed rapidly, and radiator 150 less ends are far away from LED 172, the heat of input is less relatively, so it is very big that size does not need to do, thereby improve radiating efficiency when material can be saved to greatest extent.
Consult Figure 12 and 13, the lamp holder of the utility model bulb can also be the universal socket that adopts the buckle form, and promptly the outer wall at lamp holder 110 ' is provided with outstanding buckle 112 ', and electrode 111 ' then is arranged on lamp holder 110 ' bottom fully.The bulb of this structure can be fit to other to be used, and makes that the range of application of the utility model bulb is wider.
In addition, the radiator 150 of present embodiment and substrate 171 can adopt the aluminium of 99% purity to make, and prove through repetition test, for undersized fin, the fin 152 of 30 to 34 quantity can reach higher radiating effect, has higher quality and long service life when guaranteeing the work of the utility model bulb.
And the lamp holder 110 of this bulb embodiment can be a universal socket, is suitable for present most bulb plug, and is easy to use; Can also be the lamp holder shown in 12, be suitable for other field.
In more embodiments, can adopt the tin material as between described substrate 171 and radiator 150 pedestals 151 surfaces 1511 and the heat-conduction medium between LED 172 and the substrate 171, its preferable selection can be solid-state tin (being tin bar) or liquid tin or paste tin (being tin cream) or other then material that is equal to etc.In addition, said base 151 and substrate 171 can adopt same metal material or different metal material to constitute.And this metal material is gold, silver, copper, aluminium or its alloy formation.
Need to prove, the core component of the utility model bulb comprises LED, radiator for described LED heat radiation, and the spherical cell-shell that shrouds described LED, described radiator comprises pedestal and a plurality of fin, the pedestal of described radiator is a column, described fin extends from the outer wall all around of described column pedestal, the cross section that forms described pedestal central shaft place is flaring structure, as long as possess said structure, promptly constitute complete embodiment, because such embodiment is different from the bulb that prior art adopts the square structure radiator, fin promptly is set around radiator base, the heat that LED is produced exhales from fin all around, reaches the technique effect that can obtain bigger area of dissipation under the small size situation, therefore, can improve radiating efficiency equally, guarantee the luminescent quality and the life-span of bulb; Save material simultaneously, good looking appearance.
In like manner, the radiator that has said structure, promptly radiator comprises pedestal and a plurality of fin, the pedestal of described radiator is a column, described fin extends from the outer wall all around of described column pedestal, and the cross section that forms described pedestal central shaft place is flaring structure.Such radiator also constitutes complete embodiment, and also is the part of the utility model design, belongs to same inventive concept.
Be noted that also in other embodiments, the pedestal of described radiator is not limited to hollow structure; Described LED also can directly be fixed on the radiator, does not need substrate; Described cell-shell, base etc. also can adopt any suitable shape; Described lamp holder also is not limited to the holder structure of incandescent light bulb, but can adopt any suitable holder structure; Described radiator or substrate are not limited to adopt aluminum to make, and can adopt other suitable metal materials that comprise copper to make.
More than a kind of bulb provided by the utility model and radiator thereof are described in detail, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and thought thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.

Claims (9)

1, a kind of bulb, comprise LED, be the radiator of described LED heat radiation and the spherical cell-shell that shrouds described LED, described radiator comprises pedestal and a plurality of fin, it is characterized in that: the pedestal of described radiator is a column, described fin extends from the outer wall all around of described column pedestal, and the cross section that forms described pedestal central shaft place is flaring structure.
2, bulb according to claim 1, it is characterized in that: described radiator is aluminum extruded formula structure, its pedestal is the column of central axis direction hollow, and described fin extends towards pedestal one end from the outer wall all around of described column pedestal, and its end exceeds the end face of described pedestal.
3, bulb according to claim 2 is characterized in that: described fin is thicker near the part of pedestal, away from the attenuation that diminishes gradually of the direction of pedestal.
4, bulb according to claim 1, it is characterized in that: further comprise the described LED of surface bears substrate, be engaged on the baffle vane between described cell-shell and the radiator, described baffle vane comprises the chassis of central opening, described undersurface of bottom disc fits in described radiator end face, the fit bottom surface of described substrate of described chassis surface, and then described LED is fixed on the described radiator.
5, according to each described bulb of claim 1 to 4, it is characterized in that: described cell-shell is an opal glass hemisphere cell-shell, and its inner surface scribbles irreflexive material of one deck high transmission rate.
6, according to each described bulb of claim 1 to 4, it is characterized in that: further comprise the lamp holder of fixing described pedestal, described lamp holder is to have the universal socket that externally threaded universal socket or outer wall have outstanding buckle.
7, a kind of radiator comprises pedestal and a plurality of fin, and it is characterized in that: the pedestal of described radiator is a column, and described fin extends from the outer wall all around of described column pedestal, and the cross section that forms described pedestal central shaft place is flaring structure.
8, radiator according to claim 7, it is characterized in that: radiator is aluminum extruded formula structure, its pedestal is the column of central axis direction hollow, and described fin extends towards pedestal one end from the outer wall all around of described column pedestal, and its end exceeds the end face of described pedestal.
9, according to claim 7 or 8 described radiators, it is characterized in that: described number of fins is between 30 to 34.
CNU2008202124723U 2008-10-21 2008-10-21 A bulb and heat radiator thereof Expired - Fee Related CN201306631Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008202124723U CN201306631Y (en) 2008-10-21 2008-10-21 A bulb and heat radiator thereof

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Application Number Priority Date Filing Date Title
CNU2008202124723U CN201306631Y (en) 2008-10-21 2008-10-21 A bulb and heat radiator thereof

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102338304A (en) * 2010-07-27 2012-02-01 富士迈半导体精密工业(上海)有限公司 Light emitting diode (LED) device
CN102767704A (en) * 2011-05-04 2012-11-07 鼎元光电科技股份有限公司 Reverse type lamp
CN102121577B (en) * 2010-01-12 2013-05-08 深圳市普耐光电科技有限公司 LED lamp
CN105508896A (en) * 2016-01-28 2016-04-20 苏州佳亿达电器有限公司 LED (light-emitting diode) lamp capable of quick radiation
CN105650494A (en) * 2016-01-28 2016-06-08 苏州佳亿达电器有限公司 Traceable LED lamp

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102121577B (en) * 2010-01-12 2013-05-08 深圳市普耐光电科技有限公司 LED lamp
CN102338304A (en) * 2010-07-27 2012-02-01 富士迈半导体精密工业(上海)有限公司 Light emitting diode (LED) device
CN102767704A (en) * 2011-05-04 2012-11-07 鼎元光电科技股份有限公司 Reverse type lamp
CN105508896A (en) * 2016-01-28 2016-04-20 苏州佳亿达电器有限公司 LED (light-emitting diode) lamp capable of quick radiation
CN105650494A (en) * 2016-01-28 2016-06-08 苏州佳亿达电器有限公司 Traceable LED lamp

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20170206

Address after: Futian District Futian Street Fuhua Road, Shenzhen city of Guangdong Province, the 518000 China International Exchange Square 1812-1816

Patentee after: Shenzhen run energy Co., Ltd.

Address before: 518106 Guangdong province Shenzhen Guangming New District Office of Gongming Ma mountain industrial zone fourth garden 64D

Patentee before: Shenzhen Mason Technologies Co., Ltd.

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: 20090909

Termination date: 20171021