CN104534301A - LED bulb lamp with good wide-angle heat dissipation - Google Patents

LED bulb lamp with good wide-angle heat dissipation Download PDF

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Publication number
CN104534301A
CN104534301A CN201410525818.5A CN201410525818A CN104534301A CN 104534301 A CN104534301 A CN 104534301A CN 201410525818 A CN201410525818 A CN 201410525818A CN 104534301 A CN104534301 A CN 104534301A
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CN
China
Prior art keywords
face
lampshade
good
fin
lamp
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.)
Granted
Application number
CN201410525818.5A
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Chinese (zh)
Other versions
CN104534301B (en
Inventor
桑永树
李运鹤
刘军
李建
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.)
Anhui Shilin Lighting Co Ltd
Original Assignee
Anhui Shilin Lighting Co Ltd
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Publication date
Application filed by Anhui Shilin Lighting Co Ltd filed Critical Anhui Shilin Lighting Co Ltd
Priority to CN201410525818.5A priority Critical patent/CN104534301B/en
Publication of CN104534301A publication Critical patent/CN104534301A/en
Application granted granted Critical
Publication of CN104534301B publication Critical patent/CN104534301B/en
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Classifications

    • 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
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/001Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/0015Fastening arrangements intended to retain light sources
    • 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
    • F21V31/00Gas-tight or water-tight arrangements
    • 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
    • F21V7/00Reflectors for light sources
    • F21V7/04Optical design

Abstract

The invention discloses an LED bulb lamp with good wide-angle heat dissipation, and relates to the field of lamps. The LED bulb lamp comprises a lamp cap, a heat dissipating device, a circuit board, an LED light source and a lampshade. The heat dissipating device is in threaded connection with the lamp cap, and the circuit board is arranged in a cavity of the heat dissipating device; the LED light source is connected with the circuit board, and the lampshade is fixedly connected to the heat dissipating device; the LED light source comprises a cylindrical column head, wherein the end face of the column head is a spherical face, the side face of the column head is an arc-shaped ring face, and the spherical face and the ring face are in circular arc transition; a plurality of LED chips are arranged on the end face and the side face of the column head; the top of the column head and the LED chips are integrally packaged through a silicone lens; and a light reflecting face is fixedly arranged on the side face of the column head, and the section of the light reflecting face is in an arch shape. A dust blocking cover is arranged on the outer side of the heat dissipating device, and a light reflecting layer is sprayed on one side, close to the lampshade, of the dust blocking cover. The bulb lamp is large in effective irradiated area, good in heat dissipation and worth popularizing.

Description

The LEDbulb lamp that a kind of extensive angle thermal diffusivity is good
Technical field
The present invention relates to field of light fittings, be specifically related to the LEDbulb lamp that a kind of extensive angle thermal diffusivity is good.
Background technology
Along with the high speed development of LED technology, LED, with advantages such as its energy-saving and environmental protection, becomes the first-selection of novel green illumination gradually.Due to incandescent lamp and electronic energy-saving lamp in routine use still in occupation of very high ratio, in order to cut the waste, utilize existing interface, the LEDbulb lamp changing former conventional lamp pedestal and circuit is not needed just to arise at the historic moment, for room lighting LEDbulb lamp, to the basic demand of its light distribution and brightness be: bulb luminescence not only will possess isotropic directivity, and light distribution will be tried one's best evenly, ball bubble top and side light flux will reach certain value, avoid light and shade uneven, otherwise, user will feel depressed, application number is that CN201110112015.3 discloses a kind of LED wide-angle bulb lamp, comprise lampshade, wick, LED component, distance sleeve, metallic heat dissipating part, lampholder cover, driving power, lamp socket and lamp holder, wherein, distance sleeve inserts the upper surface of metallic heat dissipating part, LED component is close to the upper surface of metallic heat dissipating part, wick is arranged on above LED component, wick has ring surface, comprise transparent, translucent or total reflection minute surface, LED distributes on metallic substrates ringwise, and it is relative up and down with the ring surface of wick, lamp socket is built with driving power, it is stamped lampholder cover, lampholder cover inserts the lower end of metallic heat dissipating part and is connected and fixed with metallic heat dissipating part, metallic lamp holder is equipped with in lamp socket lower end, described LED wide-angle bulb lamp, the light sent by LED makes lighting angle expand by the reflection of wick ring surface,
And carry out light filling by the LED of opposite side, shade can not be formed on lampshade, but this kind of ball bulb lamp structure complexity, and manufacture and encapsulation difficulty are comparatively large, and lighting angle is not also very large, and thermal diffusivity neither be fine.
Summary of the invention
The object of the present invention is to provide the LEDbulb lamp that a kind of extensive angle thermal diffusivity is good, to solve the above-mentioned multinomial defect caused in prior art.
The LEDbulb lamp that a kind of extensive angle thermal diffusivity is good, comprise lamp holder, heat abstractor, wiring board, LED light source and lampshade, described heat abstractor is threaded on lamp holder, described wiring board is located in the cavity of heat abstractor, described LED light source is connected with wiring board, described lampshade is fixedly connected on heat abstractor, described LED light source comprises columniform column cap, the end face of described column cap is sphere, and its side is the anchor ring of arc, sphere and anchor ring are arc transition, described end face and side are provided with multiple LED chip, described column cap top and LED chip are by silica-gel lens integral packaging, the side of described column cap is fixed with reflective surface, the cross section of described reflective surface is arc, ash retaining cover is provided with outside described heat abstractor, described ash retaining cover is coated with reflector layer near the side of lampshade.
Preferably, described heat abstractor comprises heat-radiating substrate, and described heat-radiating substrate is connected with the fin of two drum-shapeds, and two fin form a cavity, and the inner side of described fin is provided with inclined-plane, and described outside fin is connected with radiating fin.
Preferably, described cavity is built with liquid.
Preferably, collet is arranged with outside described radiating fin.
Preferably, described collet outer setting has the parallel outer bar of many equidistant settings, and the edges and corners of described outer bar are arc transition.
Preferably, described lampshade top is spherical cover body, and bottom is cylindrical cover body, and upper and lower is arc transition.
The invention has the advantages that: this kind of bulb lamp, described LED light source comprises columniform column cap, the end face of described column cap is sphere, and its side is the anchor ring of arc, sphere and anchor ring are arc transition, described end face and side are provided with multiple LED chip, by this kind of structural design, avoid that LED chip is only installed on one face and the lighting angle caused is less, the defect that irradiated area is little, designed by the special construction of sphere and side, achieve omnibearing illuminating effect, the light reflection be irradiated to below column cap can go back by described reflective surface, improve intensity of illumination, the ash retaining cover be provided with outside heat abstractor can avoid dust to drop on lampshade, and the light reflection be radiated on ash retaining cover can be gone out by reflector layer that its side is provided with well, further increase illuminating effect, described heat abstractor comprises heat-radiating substrate, described heat-radiating substrate is connected with the fin of two drum-shapeds, two fin form a cavity, the inner side of described fin is provided with inclined-plane, described outside fin is connected with radiating fin, described cavity is built with liquid, by this kind of structural design, vaporization after heated liquid in cavity also produces heat exchange with radiating fin, after liquid cools after vaporization, along inclined-plane, landing is got off, again be vaporized, circulation like this, good heat dissipation effect, collet is arranged with outside described radiating fin, described collet outer setting has the parallel outer bar of many equidistant settings, the edges and corners of described outer bar are arc transition, bulb lamp for convenience detach, user is scalded when bulb lamp temperature is very high, and the corner angle of outer bar adopt arc transition, avoid hurting staff, described lampshade top is spherical cover body, bottom is cylindrical cover body, upper and lower is arc transition, its effective irradiated area can be improved.
Accompanying drawing explanation
Fig. 1 is the front view of the LEDbulb lamp that a kind of extensive angle thermal diffusivity of the present invention is good.
Fig. 2 is the top view of the LEDbulb lamp that a kind of extensive angle thermal diffusivity of the present invention is good.
Wherein: 1-lamp holder, 2-wiring board, 3-lampshade, 4-column cap, 5-LED chip, 6-silica-gel lens, 7-reflective surface, 8-ash retaining cover, 9-reflector layer, 10-heat-radiating substrate, 11-fin, 12-cavity, 13-inclined-plane, 14-liquid, 15-collet, 16-outer bar.
Detailed description of the invention
The technological means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with detailed description of the invention, setting forth the present invention further.
As depicted in figs. 1 and 2, the LEDbulb lamp that a kind of extensive angle thermal diffusivity is good, comprise lamp holder 1, heat abstractor, wiring board 2, LED light source and lampshade 3, described heat abstractor is threaded on lamp holder 1, described wiring board 2 is located in the cavity of heat abstractor, described LED light source is connected with wiring board 2, described lampshade 3 is fixedly connected on heat abstractor, described LED light source comprises columniform column cap 4, the end face of described column cap 4 is sphere, and its side is the anchor ring of arc, sphere and anchor ring are arc transition, described end face and side are provided with multiple LED chip 5, described column cap 4 top and LED chip 5 are by silica-gel lens 6 integral packaging, the side of described column cap 4 is fixed with reflective surface 7, the cross section of described reflective surface 7 is arc, ash retaining cover 8 is provided with outside described heat abstractor, described ash retaining cover 8 is coated with reflector layer 9 near the side of lampshade 3, this kind of bulb lamp, by this kind of structural design, avoid that LED chip is only installed on one face and the lighting angle caused is less, the defect that irradiated area is little, designed by the special construction of sphere and side, achieve omnibearing illuminating effect, the light reflection be irradiated to below column cap 4 can go back by described reflective surface 7, improve intensity of illumination, the ash retaining cover 8 be provided with outside heat abstractor can avoid dust to drop on lampshade 3, and the light reflection be radiated on ash retaining cover 8 can be gone out by reflector layer 9 that its side is provided with well, further increase illuminating effect.
It should be noted that, described heat abstractor comprises heat-radiating substrate 10, described heat-radiating substrate 10 is connected with the fin 11 of two drum-shapeds, two fin 11 form a cavity 12, the inner side of described fin 11 is provided with inclined-plane 13, described outside fin 11 is connected with radiating fin 14, described cavity 12 is built with liquid 15, by this kind of structural design, vaporization after liquid 15 in cavity 14 is heated also produces heat exchange with radiating fin 14, and the liquid 15 after vaporization gets off along inclined-plane 13 landing after cooling, and is again vaporized, circulation like this, good heat dissipation effect.
In the present embodiment, collet 16 is arranged with outside described radiating fin 14, described collet 16 outer setting has the parallel outer bar 17 of many equidistant settings, the edges and corners of described outer bar 17 are arc transition, bulb lamp for convenience detach, scald user when bulb lamp temperature is very high, and the corner angle of outer bar adopt arc transition, avoid hurting staff.
In addition, described lampshade 3 top is spherical cover body, and bottom is cylindrical cover body, and upper and lower is arc transition, can improve its effective irradiated area.
Based on above-mentioned, this kind of bulb lamp, by this kind of structural design, avoid that LED chip is only installed on one face and the lighting angle caused is less, the defect that irradiated area is little, designed by the special construction of sphere and side, achieve omnibearing illuminating effect, the light reflection be irradiated to below column cap 4 can go back by described reflective surface 7, improve intensity of illumination, the ash retaining cover 8 be provided with outside heat abstractor can avoid dust to drop on lampshade 3, and the light reflection be radiated on ash retaining cover 8 can be gone out by reflector layer 9 that its side is provided with well, further increase illuminating effect.
As known by the technical knowledge, the present invention can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Within the scope of the present invention all or be all included in the invention being equal to the change in scope of the present invention.

Claims (6)

1. the LEDbulb lamp that an extensive angle thermal diffusivity is good, comprise lamp holder, heat abstractor, wiring board, LED light source and lampshade, described heat abstractor is threaded on lamp holder, described wiring board is located in the cavity of heat abstractor, described LED light source is connected with wiring board, described lampshade is fixedly connected on heat abstractor, it is characterized in that: described LED light source comprises columniform column cap, the end face of described column cap is sphere, and its side is the anchor ring of arc, sphere and anchor ring are arc transition, described end face and side are provided with multiple LED chip, described column cap top and LED chip are by silica-gel lens integral packaging, the side of described column cap column cap is fixed with reflective surface, the cross section of described reflective surface is arc, ash retaining cover is provided with outside described heat abstractor, described ash retaining cover is coated with reflector layer near the side of lampshade.
2. the LEDbulb lamp that a kind of extensive angle thermal diffusivity according to claim 1 is good, it is characterized in that: described heat abstractor comprises heat-radiating substrate, described heat-radiating substrate is connected with the fin of two drum-shapeds, two fin form a cavity, the inner side of described fin is provided with inclined-plane, and described outside fin is connected with radiating fin.
3. the LEDbulb lamp that a kind of extensive angle thermal diffusivity according to claim 1 and 2 is good, is characterized in that: described cavity is built with liquid.
4. the LEDbulb lamp that a kind of extensive angle thermal diffusivity according to claim 2 is good, is characterized in that: be arranged with collet outside described radiating fin.
5. the LEDbulb lamp that a kind of extensive angle thermal diffusivity according to claim 3 is good, is characterized in that: described collet outer setting has the parallel outer bar of many equidistant settings, and the edges and corners of described outer bar are arc transition.
6. the LEDbulb lamp that a kind of extensive angle thermal diffusivity according to claim 1 is good, is characterized in that: described lampshade top is spherical cover body, and bottom is cylindrical cover body, and upper and lower is arc transition.
CN201410525818.5A 2014-10-08 2014-10-08 LED bulb lamp with good wide-angle heat dissipation Active CN104534301B (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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CN104534301A true CN104534301A (en) 2015-04-22
CN104534301B CN104534301B (en) 2017-02-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106641846A (en) * 2016-12-30 2017-05-10 郭子颖 Spirit refreshing LED reading lamp

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201885028U (en) * 2010-12-11 2011-06-29 山东开元电子有限公司 Omnibearing LED (light emitting diode) bulb
CN102128370A (en) * 2010-12-31 2011-07-20 厦门立明光电有限公司 Large-luminosity-angle spherical bulb with diamond light-emitting surfaces
CN202132767U (en) * 2011-07-25 2012-02-01 苏州晶雷光电照明科技有限公司 LED lamp
JP2013143399A (en) * 2012-01-06 2013-07-22 Nec Lighting Ltd Light-emitting diode lamp
CN103629634A (en) * 2013-12-17 2014-03-12 徐志宏 LED (light-emitting diode) lamp
US20140218892A1 (en) * 2013-02-05 2014-08-07 Intematix Corporation Wide emission angle led package with remote phosphor component

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201885028U (en) * 2010-12-11 2011-06-29 山东开元电子有限公司 Omnibearing LED (light emitting diode) bulb
CN102128370A (en) * 2010-12-31 2011-07-20 厦门立明光电有限公司 Large-luminosity-angle spherical bulb with diamond light-emitting surfaces
CN202132767U (en) * 2011-07-25 2012-02-01 苏州晶雷光电照明科技有限公司 LED lamp
JP2013143399A (en) * 2012-01-06 2013-07-22 Nec Lighting Ltd Light-emitting diode lamp
US20140218892A1 (en) * 2013-02-05 2014-08-07 Intematix Corporation Wide emission angle led package with remote phosphor component
CN103629634A (en) * 2013-12-17 2014-03-12 徐志宏 LED (light-emitting diode) lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106641846A (en) * 2016-12-30 2017-05-10 郭子颖 Spirit refreshing LED reading lamp

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PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A wide angle LED bulb lamp with good heat dissipation

Effective date of registration: 20200908

Granted publication date: 20170215

Pledgee: Bank of China LiuAn Branch

Pledgor: ANHUI SHILIN LIGHTING Co.,Ltd.

Registration number: Y2020340000042

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20210923

Granted publication date: 20170215

Pledgee: Bank of China LiuAn Branch

Pledgor: ANHUI SHILIN LIGHTING Co.,Ltd.

Registration number: Y2020340000042

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: LED bulb lamp with wide angle and good heat dissipation

Effective date of registration: 20210928

Granted publication date: 20170215

Pledgee: Bank of China LiuAn Branch

Pledgor: ANHUI SHILIN LIGHTING Co.,Ltd.

Registration number: Y2021980009986

PE01 Entry into force of the registration of the contract for pledge of patent right