CN202791521U - LED (light emitting diode) bulb - Google Patents

LED (light emitting diode) bulb Download PDF

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Publication number
CN202791521U
CN202791521U CN2012204794586U CN201220479458U CN202791521U CN 202791521 U CN202791521 U CN 202791521U CN 2012204794586 U CN2012204794586 U CN 2012204794586U CN 201220479458 U CN201220479458 U CN 201220479458U CN 202791521 U CN202791521 U CN 202791521U
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CN
China
Prior art keywords
lamp
led
holder
bulb
heating column
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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
CN2012204794586U
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Chinese (zh)
Inventor
梁忠辉
Original Assignee
梁忠辉
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Filing date
Publication date
Application filed by 梁忠辉 filed Critical 梁忠辉
Priority to CN2012204794586U priority Critical patent/CN202791521U/en
Application granted granted Critical
Publication of CN202791521U publication Critical patent/CN202791521U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an LED (light emitting diode) bulb which comprises a lamp head, a lamp head seat, a lamp body, a lamp hood and LED light sources arranged on the lamp body, wherein the lamp head, the lamp head seat, the lamp body and the lamp hood are connected in sequence, a fixed seat is connected on the upper end surface of the lamp body, a heat conductive rod is inserted and connected with the fixed seat, a plurality of installation slots are vertically arranged on the side wall of the heat conductive rod, the LED light sources are fitted and fixed in the installation slots, the LED light sources and the heat conductive rod are contacted thoroughly, so that the contact area between the LED light sources and the heat conductive rod is increased, and the heat conductive speed is improved, the quantity of the heat generated by the LED light sources can be rapidly transferred to the fixed seat and the lamp body through the heat conductive rod, then the lamp body diffuses the quantity of heat into the air rapidly, so that the heat dissipation effect is good; the convex upper end surface of the fixed seat is designed in a camber surface, can reflect lights, and is beneficial to improving lighting effect, reducing light scattering and increasing irradiated area, therefore, the effects of high brightness and balanced and soft light are achieved, and the bulb can illuminate by 320 degrees.

Description

The LED bulb
Technical field
The utility model relates to the LED lighting field, particularly a kind of LED bulb of good heat dissipation effect.
Background technology
At present, led light source is long, pollution-free with the life-span, light efficiency high just progressively replace incandescent and fluorescent light, so the LED bulb as light source with LED occurred.The LED bulb generally comprises lamp holder, lamp body, lampshade and the led light source that is fixed in the lamp body, if the heat of the luminous generation of led light source can not in time leave, meeting is so that the lamp body internal temperature is more and more higher, it is aging not only can to accelerate LED, shorten its service life, can cause LED to burn when serious, so existing LED bulb all adopts the high lamp body of thermal conductivity factor to dispel the heat, but existing led light source generally comprises substrate and LED lamp pearl, and the contact area of substrate and lamp body is considerably less, caused the heat conduction between substrate and the lamp body slow, thereby radiating effect is not good, has a strong impact on service life and the service property (quality) of LED.And existing LED bulb only improves light efficiency at light source upper cover one lampshade, minimizing is astigmatic, and its effect is not better.
Therefore, how to increase the contact area of substrate and lamp body, improve the radiating rate of LED bulb, realize that light efficiency is high, astigmatism is the technical problem that needs to be resolved hurrily in the industry less.
Summary of the invention
Main purpose of the present utility model provides a kind of LED bulb, is intended to improve the radiating rate of LED bulb, prevents that LED lamp pearl is overheated, prolongs the service life of LED lamp pearl; Improve reflector efficiency, reach light efficiency height, astigmatic few effect.
The utility model proposes a kind of LED bulb, comprise the lamp holder, bulb socket, lamp body, lampshade and the led light source that connect successively, also comprise a heating column and be used for the holder of fixing described heating column, vertically be provided with the mounting groove of some inside recessed formation on the side wall surface of described heating column, described led light source and described mounting groove are adaptive and fit and to be fixed in the described mounting groove; Described holder upper surface projection is the cambered surface design, and described heating column is plugged on the described holder; Described lamp body is that Heat Conduction Material is made, and described holder is fastened on the described lamp body.
Preferably, described holder is contour body hollow and that the bottom surface is rounded, is provided with a jack adaptive with described heating column at described holder, and described heating column inserts described jack, and is welded and fixed with described holder.
Preferably, be provided with the annular installation position that raises up and form in described lamp body upper surface, the outside wall surface with described holder on the internal face of described installation position is provided with corresponding screw thread, is threaded connection fixing between described holder and the described lamp body.
Preferably, described led light source comprises bar shaped substrate and the some bonded LED lamp pearls that some and described mounting groove is adaptive, and described bar shaped baseplate-laminating is fixed in the described mounting groove, and described bonded LED lamp pearl evenly is arranged on the described bar shaped substrate.
Preferably, described lamp body is the housing of hollow, and the led driver that is connected with described led light source is arranged on the hollow bulb of described lamp body.
Preferably, described led light source also comprises a fixing circuit board, and described fixing circuit board is arranged on the lower surface of described heating column and places the hollow bulb of described holder, described fixing circuit board respectively with described led driver, the electrical connection of described bar shaped substrate.
Preferably, described fixing circuit board is provided with the draw-in groove adaptive with the bottom of described bar shaped substrate, and described bar shaped substrate inserts in the corresponding described draw-in groove, and welds by scolding tin.
Preferably, described lamp body, described holder and described heating column are copper, copper alloy, the aluminum or aluminum alloy of high heat conduction and make, and evenly are provided with some vent ribs on the outside wall surface of described lamp body.
The beneficial effect of LED bulb of the present utility model is:
1, be connected with a holder in the lamp body upper surface, at holder grafting one heating column, lamp body, holder and heating column are copper, copper alloy, the aluminum or aluminum alloy of high heat conduction and make, and have fast advantage of heat conduction; On the sidewall of heating column, vertically be provided with some mounting grooves, led light source is fitted and is fixed in the mounting groove, led light source fully contacts with heating column, thereby increases the contact area of led light source and heating column, and heat-transfer rate increases, heating column can conduct the heat that led light source produces to holder and lamp body rapidly, again by lamp body with the heat Quick diffusing in air, good heat dissipation effect can prevent that led light source is overheated, prolong the service life of led light source, thereby solved the heat dissipation problem of lamp.
2, the upper surface of holder projection is the cambered surface design, but reflection ray is conducive to improve light efficiency, minimizing astigmatism, increase irradiated area, thereby reaches evenly soft effect of high brightness, light, realizes 320 ° of illuminations of bulb.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model LED bulb;
Fig. 2 is the front view that the heating column of led light source is installed among the embodiment of the utility model LED bulb;
Fig. 3 is the top view that the heating column of led light source is installed among the embodiment of the utility model LED bulb;
Fig. 4 is the top view of heating column among the embodiment of the utility model LED bulb.
The realization of the utility model purpose, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
The specific embodiment
Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Referring to figs. 1 through Fig. 4, one embodiment of LED bulb of the present utility model is proposed, comprise the lamp holder 20, bulb socket 200, lamp body 10, the lampshade 30 that connect successively, lampshade 30 is candle or ball bubble shape, lampshade 30 is fixed on the upper end of lamp body 10 by the glue that is adhesively fixed, certainly, lampshade 30 also can be threaded connection mode and is connected with lamp body 10.The hollow housing that lamp body 10 is made for the copper of high heat conduction, copper alloy, aluminum or aluminum alloy, be round table-like, have high-termal conductivity, on the outside wall surface of lamp body 10, laterally be provided with the vent rib 101 of some annulars, can increase the contact area between lamp body 10 and the air, improve radiating rate.Led light source is arranged on the top of lamp body 10, and lamp body 10 is the housing of hollow, and the led driver that is connected with led light source is arranged on the hollow bulb of lamp body 10, led driver driving LED light source works.
Be provided with the annular installation position 100 that raises up and form in the upper surface of lamp body 10, one bottom and this annular installation position 100 adaptive holders 400 are fastened on the lamp body 10, outside wall surface with holder 400 on the internal face of installation position 100 is provided with corresponding screw thread, is threaded connection fixing between holder 400 and the lamp body 10.This holder 400 is contour body hollow and that the bottom is rounded, and its upper surface projection is the cambered surface design, can reflection ray.Central authorities at this holder 400 are provided with the jack that vertically runs through holder 400, and one inserts in these jacks with the adaptive heating column of this jack 40, and is welded and fixed with holder 400.Vertically be provided with the mounting groove 401 of some inside recessed formation on the side wall surface of heating column 40, led light source is arranged in the mounting groove 401 of heating column 40.
Led light source comprises bar shaped substrate 50 and the some LED lamp pearls 500 that some and mounting groove 401 are adaptive, and bar shaped substrate 50 is fitted and is fixed in the mounting groove 401, and LED lamp pearl 500 evenly is arranged on the bar shaped substrate 50; Led light source also comprises a fixing circuit board, and fixing circuit board places the hollow bulb of holder 400, and is arranged on the lower surface of heating column 40, and fits with heating column 40 lower surfaces.Fixing circuit board be provided with bar shaped substrate 50 on positive and negative electrode contact one to one positive and negative electrode LED contact point and the positive and negative electrode contact point of power source that can be connected with led driver, fixing circuit board is provided with the draw-in groove adaptive with the bottom of bar shaped substrate 50, bar shaped substrate 50 inserts in the corresponding draw-in groove, and make positive and negative electrode contact and mutually corresponding positive and negative electrode LED contact point welding on each bar shaped substrate 50 by scolding tin, thereby each bar shaped substrate 50 and fixing circuit board are electrically connected.Then fixing circuit board is just passing through again, negative power supply contact point and led driver are just, the negative wire welding, make the electrical connection of fixing circuit board and led driver, be electrically connected thereby make between LED lamp pearl 500 and the led driver, realize that led driver driving LED lamp pearl 500 is luminous, avoided that all be connected the connection electric wire that causes with led driver complicated in disorder because of each bar shaped substrate 50, removed the manual wiring operation of large amount of complex and therefore and the high fault rate that produces has realized efficient from, neatly, save trouble, human cost reduces, the plurality of advantages such as product stability raising and fault rate reduction.
Heating column 40 and holder 400 are the copper of high heat conduction, copper alloy, aluminum or aluminum alloy is made, has fast advantage of heat conduction, and bar shaped substrate 50 and fixing circuit board all fit tightly with heating column 40, fully contact, thereby the contact area of led light source and heating column 40 increases, heat-transfer rate increases, heating column 40 can conduct the heat that led light source produces to holder 400 and lamp body 10 rapidly, again by lamp body 10 with the heat Quick diffusing in air, good heat dissipation effect, can prevent that led light source is overheated, prolong the service life of led light source, thereby solve the heat dissipation problem of lamp.
LED lamp pearl 500 is the bonded LED lamp pearl, and the lamp pearl of its light flux ratio integrated chip exceeds more than 40%, and easier distribute heat.The cambered surface of holder 400 upper ends is to tilt from upper end mediad lower edge, but reflection ray, when LED lamp pearl 500 is luminous, the light that sends reflects around lamp body 10 through cambered surface, be conducive to improve light efficiency, reduce astigmatism, increase irradiated area, thereby reach evenly soft effect of high brightness, light, realize 320 ° of illuminations of bulb.
The above only is preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.

Claims (8)

1. LED bulb, comprise the lamp holder, bulb socket, lamp body, lampshade and the led light source that connect successively, it is characterized in that, also comprise a heating column and be used for the holder of fixing described heating column, vertically be provided with the mounting groove of some inside recessed formation on the side wall surface of described heating column, described led light source and described mounting groove are adaptive and fit and to be fixed in the described mounting groove; Described holder upper surface projection is the cambered surface design, and described heating column is plugged on the described holder; Described lamp body is that Heat Conduction Material is made, and described holder is fastened on the described lamp body.
2. LED bulb according to claim 1, it is characterized in that described holder is contour body hollow and that the bottom surface is rounded, be provided with a jack adaptive with described heating column at described holder, described heating column inserts described jack, and is welded and fixed with described holder.
3. LED bulb according to claim 2, it is characterized in that, be provided with the annular installation position that raises up and form in described lamp body upper surface, outside wall surface with described holder on the internal face of described installation position is provided with corresponding screw thread, is threaded connection fixing between described holder and the described lamp body.
4. according to claim 2 or 3 described LED bulbs, it is characterized in that, described led light source comprises bar shaped substrate and the some bonded LED lamp pearls that some and described mounting groove is adaptive, described bar shaped baseplate-laminating is fixed in the described mounting groove, and described bonded LED lamp pearl evenly is arranged on the described bar shaped substrate.
5. LED bulb according to claim 4 is characterized in that, described lamp body is the housing of hollow, and the led driver that is connected with described led light source is arranged on the hollow bulb of described lamp body.
6. LED bulb according to claim 5, it is characterized in that, described led light source also comprises a fixing circuit board, described fixing circuit board is arranged on the lower surface of described heating column and places the hollow bulb of described holder, described fixing circuit board respectively with described led driver, the electrical connection of described bar shaped substrate.
7. LED bulb according to claim 6 is characterized in that, described fixing circuit board is provided with the draw-in groove adaptive with the bottom of described bar shaped substrate, and described bar shaped substrate inserts in the corresponding described draw-in groove, and welds by scolding tin.
8. each described LED bulb in 3 according to claim 1, it is characterized in that, described lamp body, described holder and described heating column are copper, copper alloy, the aluminum or aluminum alloy of high heat conduction and make, and evenly are provided with some vent ribs on the outside wall surface of described lamp body.
CN2012204794586U 2012-09-20 2012-09-20 LED (light emitting diode) bulb Expired - Fee Related CN202791521U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012204794586U CN202791521U (en) 2012-09-20 2012-09-20 LED (light emitting diode) bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012204794586U CN202791521U (en) 2012-09-20 2012-09-20 LED (light emitting diode) bulb

Publications (1)

Publication Number Publication Date
CN202791521U true CN202791521U (en) 2013-03-13

Family

ID=47818780

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012204794586U Expired - Fee Related CN202791521U (en) 2012-09-20 2012-09-20 LED (light emitting diode) bulb

Country Status (1)

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CN (1) CN202791521U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103672514A (en) * 2013-12-09 2014-03-26 林英强 LED bulb with transparent lampshade
CN104235638A (en) * 2013-06-19 2014-12-24 宁波市品源电器有限公司 Novel LED lamp
CN105822924A (en) * 2016-05-19 2016-08-03 周辉弟 LED light source module and high-light-radiation LED lamp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104235638A (en) * 2013-06-19 2014-12-24 宁波市品源电器有限公司 Novel LED lamp
CN103672514A (en) * 2013-12-09 2014-03-26 林英强 LED bulb with transparent lampshade
CN105822924A (en) * 2016-05-19 2016-08-03 周辉弟 LED light source module and high-light-radiation LED lamp

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130313

Termination date: 20130920