CN100582558C - Metal LED lamp cup - Google Patents

Metal LED lamp cup Download PDF

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Publication number
CN100582558C
CN100582558C CN200610157018A CN200610157018A CN100582558C CN 100582558 C CN100582558 C CN 100582558C CN 200610157018 A CN200610157018 A CN 200610157018A CN 200610157018 A CN200610157018 A CN 200610157018A CN 100582558 C CN100582558 C CN 100582558C
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led lamp
capacitor
shell
diode
lens
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CN200610157018A
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CN101191588A (en
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刘镇
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Shanghai spparks Technology Co. Ltd.
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刘镇
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Abstract

The invention discloses a metal LED lamp holder which comprises a casing (1) and a socket (7) connected with the lower end of the casing (1). A power circuit, an LED lamp (4) and a lens (3) are arranged inside the casing (1), wherein the lens (3) covers the LED lamp (4), and the power circuit is connected with the LED lamp (4). A plurality of heat dissipation ribs (11) extending from down to up are arranged on the external surface of the casing (1), and heat dissipation holes (12) corresponding to grooves between each two heat dissipation ribs (11) are arranged on the end face of the casing (1). With the heat dissipation ribs extending from down to up and the corresponding heat dissipation holes, circulating cooling blasts can be formed according to the air kinematics principle, thereby greatly improving heat dissipation effect. Tests show that the service life of the LED lamp is also remarkably improved.

Description

A kind of metal LED lamp cup
Technical field
The present invention relates to a kind of LED Lamp cup, relate in particular to a kind of metal LED lamp cup.
Technical background
Along with the continuous development of LED technology, LED not only is used in special lighting fields such as indicator lamp, backlight, and begins to apply to widely various general lightings field as the substitute products of incandescent lamp, electricity-saving lamp.The early stage product that occurs is that the LED lamp is installed in the plastics Lamp cup, this product is poor owing to radiating effect, the brightness of LED lamp is little and the low inferior reason of light efficiency have service life of LED lamp short, be difficult to satisfy significant deficiency such as normal illumination needs.In order to solve the problem of brightness, afterwards the product of Chu Xianing mostly in a Lamp cup a plurality of LED lamps of serial or parallel connection increase brightness, though this technology has solved the problem of illuminance deficiency, must bring bigger caloric value owing to increase light source, dispelled the heat into a great problem of this technical field.In recent years, because the light efficiency of LED lamp is constantly improved, the luminance shortage problem of a LED lamp is eased to a certain extent, but for this main product by heat loss through conduction of LED lamp, problem how to improve radiating effect still is a problem anxious to be solved.
China utility model patent ZL200520002868.1 discloses a kind of LED Lamp cup, and it mainly comprises LED lamp, metal shell and power supply circuits, is provided with the fin of bottom-up extension around shell, thereby has increased area of dissipation; Also installed lens additional on the LED lamp, light efficiency is greatly improved.But the fin of this product is just from directly upwardly extending down, and is installed to metal shell again after producing separately and gets on, so radiating effect is still not good; In addition, the lens in this product are simple convex lens, and the raising degree of light efficiency is little, still have bigger light loss problem.
Summary of the invention
Technical problem to be solved by this invention provides a kind of metal LED lamp cup, has bigger area of dissipation, thereby has better radiating effect.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of metal LED lamp cup, it comprises shell and is connected the socket of this shell lower end, in described shell, be provided with power supply circuits, LED lamp and lens, wherein, lens cap is located at LED lamp top, power supply circuits are connected with the LED lamp, and the outer surface of described shell is provided with several shapes in the shape of a spiral that extend from bottom to top heat radiation rib, the end face of shell then be provided with and described adjacent two heat radiation ribs between the corresponding louvres of groove.
Owing to adopted the heat radiation of the shape in the shape of a spiral rib that extends from bottom to top, improved the area of dissipation of Lamp cup further, thereby improved radiating effect; The more important thing is, because the LED lamp in use, the heat heating that ambient air will be shed, and hot-air is lighter than cold air, the groove between spiral helicine heat radiation rib of nature is moved upward, and distribute by louvre, and colder air on every side will be filled up the space that occupied originally than hot-air from top to down, thus circulation will form the effect that one rotation ascending air has strengthened heat radiation greatly like this.Through test, the life-span of LED lamp also is significantly improved.
Described heat radiation rib and described shell are integrally formed, the heat conducting loss between rib and the shell of avoiding like this dispelling the heat.
Described heat radiation rib is that the bottom from the outer surface of shell extends to the top always, and this design can farthest utilize above-mentioned air rheology principle, further improves radiating effect.
Described power supply circuits are to be connected with the LED lamp by pcb board.Make that the installation of LED lamp is more convenient.
In order to improve light efficiency, thereby further reduce the loss of light.Described lens are combined lens, are respectively speculum, following convex lens, concavees lens and last convex lens from bottom to top.
Described LED lamp is to be connected described cover top portion by heat-conducting glue, tin slurry or silver slurry.Because the LED lamp mainly by the conduction pattern heat radiation, adopts these modes effectively to reduce thermal resistance, makes heat more to distribute fast smoothly.
As first kind of embodiment of the present invention, described power supply circuits comprise voltage-multiplying circuit, and this voltage-multiplying circuit is made of mu balanced circuit, capacitor C 1 and capacitor C 2, and wherein, mu balanced circuit is connected with capacitor C 1 and capacitor C 2 respectively.This uses when being applicable to supply voltage for 110V, improves voltage by voltage-multiplying circuit, thereby reduces temperature rise and heat dissipation capacity, and can make the electric capacity in the circuit use thinner enamel-covered wire, has reduced volume.
As the second embodiment of the present invention, described power supply circuits comprise current follow-up circuit, this current follow-up circuit is made up of mu balanced circuit, capacitor C 3, capacitor C 4, diode D1, diode D2 and diode D3, wherein, capacitor C 3 is connected with diode D1 series connection and with mu balanced circuit, diode D3 also is connected with mu balanced circuit with capacitor C 4 series connection, and diode D2 then is connected with capacitor C 3, diode D1, diode D3 and capacitor C 4 respectively.This uses when being applicable to supply voltage for 220V, adopts such circuit structure can effectively increase power factor (PF), and makes outputting current steadily.In addition, can also effectively reduce the temperature rise of each element.
As the third embodiment of the present invention, described power supply circuits comprise mu balanced circuit, capacitor C 5 and the capacitor C 6 of connection parallel with one another, and wherein, capacitor C 5 and capacitor C 6 are used electronegative aluminum foil material.This uses when being applicable to supply voltage for 12V, adopts this material of electronegative aluminium foil can realize that the electric capacity of smaller size smaller has the designing requirement than high capacitance.
Description of drawings
Below with reference to the accompanying drawings the explanation and the specific embodiment the present invention is described in further detail.
Fig. 1 is the external structure schematic diagram of first kind of embodiment of the present invention;
Fig. 2 is the internal structure schematic diagram of Lamp cup shown in Figure 1
Fig. 3 is the external structure schematic diagram of second kind of embodiment of the present invention;
Fig. 4 is the internal structure schematic diagram of Lamp cup shown in Fig. 3;
Fig. 5 is the external structure schematic diagram of the third embodiment of the present invention;
Fig. 6 is the internal structure schematic diagram of the third embodiment of the present invention;
Fig. 7 is the power supply circuit of first kind of embodiment of the present invention;
Fig. 8 is the power supply circuit of second kind of embodiment of the present invention;
Fig. 9 is the power supply circuit of the third embodiment of the present invention.
The specific embodiment
A kind of metal LED lamp cup shown in Fig. 1 to 6, it comprises shell 1 and is connected the socket 7 of this shell 1 lower end, be provided with power supply circuits, LED lamp 4 and lens 3 in described shell 1.
According to current international standard, socket 7 is divided into GU10 (referring to Fig. 1 and 2), E27 (referring to Fig. 3 and 4) and three kinds of specifications of MR16 (referring to Fig. 5 and 6); And supply voltage commonly used is mainly three kinds of 220V, 110V and 12V.At this three kinds of specifications and common voltage, mainly contain following several embodiment among the present invention.
Embodiment one: be applicable to the socket of GU10, E27 type specification and the situation of supply voltage when being 110V.
Described shell 1 adopts the metal of good heat conductivity to process, and adopts aluminium nickel plating as material in the present embodiment.The upper end of shell 1 is processed into a recessed district 13, and described LED lamp 4 is installed in the bottom in this recessed district 13.Can select for use materials such as heat-conducting glue, tin slurry or silver slurry to install for the loss that reduces heat transmission between the two.For easy for installation, described power supply circuits can be connected with LED lamp 4 by pcb board.
The outer surface of this shell 1 is provided with several spiral heat radiation ribs 11 that always extends to the top from the bottom, the end face of shell 1 then have and described adjacent two heat radiation ribs 11 between the corresponding louvres 12 of groove.Because the LED lamp in use, the heat heating that ambient air will be shed, and hot-air is lighter than cold air, the groove between the heat radiation rib of nature is moved upward, and distribute by louvre, and colder air on every side will be filled up the space that occupied originally than hot-air from top to down, thereby circulation will form the effect that one air-flow has strengthened heat radiation greatly like this.Through test, the life-span of LED lamp also is significantly improved.
Described heat radiation rib 11 can be processed separately and be soldered on the shell 1 again, also can be when producing and shell 1 integrally formed; What adopt in the present embodiment is integrally formed mode, and the loss that this has just been avoided the heat conduction between heat radiation rib 11 and the shell 1 to bring has improved radiating effect.
Lens 3 are selected combined lens for use, and it is located at LED lamp 4 tops.These lens 3 are respectively speculum 34, following convex lens 31, concavees lens 33 and last convex lens 32 from bottom to top, and this combined lens can significantly improve light efficiency, thereby reduce the loss of light.In order to adjust, also be provided with diffusion mirror 14 on the end face of the shell 1 described in the present invention to the light projector effect.
As shown in Figure 7, described power supply circuits comprise voltage-multiplying circuit 81, and this voltage-multiplying circuit 81 is made of mu balanced circuit 811, capacitor C 1 and capacitor C 2, and wherein, mu balanced circuit 811 is connected with capacitor C 1 and capacitor C 2 respectively.The input voltage of this power supply circuits is 110V, by voltage-multiplying circuit its voltage is improved, thereby reduces the temperature rise of element, thereby and can solve the thick excessively problem of enamel-covered wire and saved limited space.
Embodiment two: be applicable to the socket of GU10, E27 type specification and the situation of supply voltage when being 220V.
In the present embodiment, as shown in Figure 8, described power supply circuits comprise current follow-up circuit 82, this current follow-up circuit 82 is made up of mu balanced circuit 821, capacitor C 3, capacitor C 4, diode D1, diode D2 and diode D3, wherein, capacitor C 3 is connected with diode D1 series connection and with mu balanced circuit 821, and diode D3 also is connected with mu balanced circuit 821 with capacitor C 4 series connection, and diode D2 then is connected with capacitor C 3, diode D1, diode D3 and capacitor C 4 respectively.This uses when being applicable to supply voltage for 220V, adopts such circuit structure can effectively increase power factor (PF), and makes outputting current steadily.In addition, can also effectively reduce the temperature rise of each element.
Embodiment three: be applicable to the socket of MR16 type specification and the situation of supply voltage when being 12V.
In the present embodiment, described power supply circuits comprise mu balanced circuit 831, capacitor C 5 and the capacitor C 6 of connection parallel with one another, and wherein, capacitor C 5 and capacitor C 6 are used electronegative aluminum foil material.

Claims (9)

1, a kind of metal LED lamp cup, it comprises shell (1) and is connected the socket (7) of this shell (1) lower end, in described shell (1), be provided with power supply circuits, LED lamp (4) and lens (3), wherein, lens (3) are located at LED lamp (4) top, power supply circuits are connected with LED lamp (4), the outer surface of described shell (1) is provided with several heat radiation ribs (11) that extends from bottom to top, end face at shell (1) is provided with and described adjacent two corresponding louvres of groove (12) between the ribs (11) that dispel the heat, and it is characterized in that: described heat radiation rib (11) is shape in the shape of a spiral.
2, metal LED lamp cup according to claim 1 is characterized in that: described heat radiation rib (11) is integrally formed with described shell (1).
3, metal LED lamp cup according to claim 1 is characterized in that: and this heat radiation rib (11) is that bottom from the outer surface of shell (1) extends to the top always.
4, metal LED lamp cup according to claim 1 is characterized in that: described power supply circuits are to be connected with LED lamp (4) by pcb board.
5, metal LED lamp cup according to claim 1 is characterized in that: described lens (3) are combined lens, are respectively speculum (34), following convex lens (31), concavees lens (33) and last convex lens (32) from bottom to top.
6, metal LED lamp cup according to claim 1 is characterized in that: described LED lamp (4) is to be connected on the described shell (1) by heat-conducting glue, tin slurry or silver slurry.
7, metal LED lamp cup according to claim 1, it is characterized in that: described power supply circuits (8) comprise voltage-multiplying circuit (81), this voltage-multiplying circuit (81) is made of mu balanced circuit (811), capacitor C 1 and capacitor C 2, wherein, mu balanced circuit (811) is connected with capacitor C 1 and capacitor C 2 respectively.
8, metal LED lamp cup according to claim 1, it is characterized in that: described power supply circuits (8) comprise current follow-up circuit (82), this current follow-up circuit (82) is made up of mu balanced circuit (821), capacitor C 3, capacitor C 4, diode D1, diode D2 and diode D3, wherein, capacitor C 3 is connected with diode D1 series connection and with mu balanced circuit (821), diode D3 also is connected with mu balanced circuit (821) with capacitor C 4 series connection, and diode D2 then is connected with capacitor C 3, diode D1, diode D3 and capacitor C 4 respectively.
9, metal LED lamp cup according to claim 1 is characterized in that: described power supply circuits (8) comprise mu balanced circuit (831), capacitor C 5 and the capacitor C 6 of connection parallel with one another, and wherein, capacitor C 5 and capacitor C 6 are used electronegative aluminum foil material.
CN200610157018A 2006-11-22 2006-11-22 Metal LED lamp cup Active CN100582558C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200610157018A CN100582558C (en) 2006-11-22 2006-11-22 Metal LED lamp cup

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200610157018A CN100582558C (en) 2006-11-22 2006-11-22 Metal LED lamp cup

Publications (2)

Publication Number Publication Date
CN101191588A CN101191588A (en) 2008-06-04
CN100582558C true CN100582558C (en) 2010-01-20

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ID=39486741

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5379166B2 (en) 2009-01-20 2013-12-25 パナソニック株式会社 Lighting device
US20110115372A1 (en) * 2009-11-17 2011-05-19 General Electric Company Electric lamp with pin connectors and method of manufacture
CN101788111B (en) * 2010-01-15 2012-07-04 上海开腾信号设备有限公司 Quasi-fluorescence LED illumination monomer and application thereof
US9453617B2 (en) * 2010-02-08 2016-09-27 Ban P. Loh LED light device with improved thermal and optical characteristics
EP2859778B1 (en) * 2013-04-26 2015-09-30 Koninklijke Philips N.V. Lighting device suitable for multiple voltage sources
WO2016041130A1 (en) * 2014-09-15 2016-03-24 东莞励国照明有限公司 Led lamp and manufacturing process therefor

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Effective date of registration: 20170109

Address after: 201203 China Jing (Shanghai) Free Trade Zone No. 498 block 22301-1450

Patentee after: Shanghai spparks Technology Co. Ltd.

Address before: Futian District Tian Shenzhen city Guangdong province 518000 village and ocean surface electronic company

Patentee before: Liu Zhen