CN202746997U - LED (light-emitting diode) lamp - Google Patents
LED (light-emitting diode) lamp Download PDFInfo
- Publication number
- CN202746997U CN202746997U CN2012202637097U CN201220263709U CN202746997U CN 202746997 U CN202746997 U CN 202746997U CN 2012202637097 U CN2012202637097 U CN 2012202637097U CN 201220263709 U CN201220263709 U CN 201220263709U CN 202746997 U CN202746997 U CN 202746997U
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- China
- Prior art keywords
- flexible pcb
- heat
- light fixture
- led light
- led
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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
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses an LED (light-emitting diode) lamp which comprises a plurality of LEDs, a flexible printed circuit board and a cooling metal housing, wherein the LEDs are welded onto the flexible printed circuit board according to a circuit relationship. The LED lamp is characterized in that one end of the flexible printed circuit board, which is easily welded with the LEDs, is evenly covered with heat-conducting bonding material. The flexible printed circuit board is bonded with the cooling metal housing by the heat-conducting bonding material. According to the LED lamp, the flexible printed circuit board is bonded with the cooling metal housing by the heat-conducting bonding material, so that the flexible printed circuit board and the cooling metal housing can be adequately connected with each other, therefore, the possible large heat energy transfer area can be reached, and the cooling effect of the LED lamp can be further improved; and when the LED lamp is produced, the installation of the position can be carried out only by bonding the flexible printed circuit board covered with the heat-conducting bonding material onto the cooling metal housing, so that the production efficiency can be greatly improved.
Description
Technical field
The utility model relates to the LED lighting field, relates in particular to a kind of LED light fixture.
Background technology
Existing LED light fixture mainly comprises lampshade, LED luminescence component, heat radiating metal shell, driving power and lamp holder, wherein the LED luminescence component is generally plurality of LEDs and is welded on aluminium base or the flexible PCB, the structure of described aluminium base or flexible PCB forms by three layers usually, ground floor is line layer, be used for welding various components and parts, middle one deck is insulating barrier, and the 3rd layer is the thin sheet of metal substrate layer; Described aluminium base or flexible PCB are fixed on the heat radiating metal shell with many metal screws or fashion of extrusion or other physics fixed form again, because after aluminium base or flexible PCB adopt aforesaid way fixing, the one side of it and the heat radiating metal shell that fits with it is difficult to reach fully and contacts, thereby the problem that exists the heat transmission area to reduce, so that radiating effect is desirable not to the utmost; Simultaneously, when producing, is installed more the time that many screws spend, production efficiency is relatively low; Certainly, also have and adopt the mode that heat-conducting silicone grease is set between aluminium base or flexible PCB and heat radiating metal shell to improve the heat transmission area, but because heat-conducting silicone grease is when producing, generally be by manual mode heat-conducting silicone grease to be squeezed on the heat radiating metal shell, by manual mode heat-conducting silicone grease is spread out again, when producing in enormous quantities, heat-conducting silicone grease can occur non-uniform phenomenon is set, make aluminium base or flexible PCB be connected insufficient with the heat radiating metal shell, even occur connecting the space, thereby cause the heat transmission area abundant not, affect the product radiating effect, and this kind mode is not easy to batch production, is unfavorable for the raising of production efficiency.
The utility model content
The purpose of this utility model is to provide a kind of LED light fixture that can improve radiating effect and enhance productivity.
The technical scheme that the utility model adopts for achieving the above object is: a kind of LED light fixture: comprise plurality of LEDs, flexible PCB, heat radiating metal shell, described plurality of LEDs is welded on the flexible PCB by circuit relationships, it is characterized in that: a uniform fold that differs from welding LED of described flexible PCB has the heat conduction binding.Flexible PCB is bonding by heat conduction binding and heat radiating metal shell.
Further, described heat conduction binding is the thermal conductivity adhesive, and institute's art thermal conductivity adhesive can be crossed the one side that differs from welding LED that coating method is coated described flexible PCB equably.
Further, described heat conduction binding is heat conduction glue.
Further, described heat conduction binding is the heat-conducting double-sided adhesive plaster.
Further, in the one side that differs from flexible PCB of heat conduction binding, before producing, be provided with strippable paper, attach foreign matter or be convenient to operation to prevent the heat conduction binding, when producing, again this strippable paper is torn it down.
Further, the colloid material of described heat conduction binding is acrylic glue or organic silica gel.
Further, the shape of the bonding one side of described flexible PCB and heat radiating metal shell is complementary, and namely when the heat radiating metal shell was curved surface for the one side that flexible PCB is set, the shape of described flexible PCB also was curved surface; When the heat radiating metal shell was the plane for the one side that flexible PCB is set, the shape of described flexible PCB also was the plane.
Further, the metal material in the described flexible PCB is copper material or aluminium foil copper facing.
Further, described LED is SMD.
Further, the plated surface adularescent plated film of described flexible PCB.
The beneficial effects of the utility model: because circuit board of the present utility model employing is flexible PCB, and a uniform fold that differs from welding LED of flexible PCB has the heat conduction binding, bonding by the heat conduction binding between flexible PCB and the heat radiating metal shell, can connect fully flexible PCB and heat radiating metal shell, thereby can make the heat transmission area reach large as much as possible, further improved the radiating effect of LED light fixture; When producing, the flexible PCB that only needs to be coated with the heat conduction binding is adhered to the installation that can finish this position on the heat radiating metal shell, can greatly enhance productivity simultaneously.
Description of drawings
With specific embodiment the utility model is described further with reference to the accompanying drawings:
Fig. 1 is the decomposing state schematic diagram of the utility model embodiment one.
Fig. 2 is the flexible PCB of the utility model embodiment one and the sectional view at the bonding position of radiator.
Fig. 3 is the decomposing state schematic diagram of the utility model embodiment two.
Fig. 4 is the flexible PCB of the utility model embodiment two and the sectional view at the bonding position of radiator.
Fig. 5 is the decomposing state schematic diagram of the utility model embodiment three.
The specific embodiment
At a kind of LED light fixture of Fig. 1 to the utility model embodiment one shown in Figure 2, comprise lampshade 1a, flexible PCB 2a, be welded in the lip-deep adopting surface mounted LED 3 of flexible PCB 2a, heat radiating metal shell, lamp socket 5 and lamp holder 6; The one side that differs from soldering surface mounted formula LED3 of described flexible PCB 2a is coated with heat-conducting double-sided adhesive plaster 4a, the preferred acrylic glue of colloid material or organic silica gel among the described heat-conducting double-sided adhesive plaster 4a; Described heat radiating metal shell comprises radiator 7 and heat radiating cup 8; The surperficial similar hemisphere face of described radiator 7 is comprised of a plurality of terrace with edge faces 9; The shape of the one side that the shape of described flexible PCB 2a and radiator 7 are bonding is complementary; Bonding by heat-conducting double-sided adhesive plaster 4a between described flexible PCB 2a and the radiator 7; Metal material among the described flexible PCB 2a is copper material; Most of heat that adopting surface mounted LED 3 comes out is delivered in the middle of the air by flexible PCB 2a, heat-conducting double-sided adhesive plaster 4a, radiator 7, heat radiating cup 8; Because heat-conducting double-sided adhesive plaster 4a can connect flexible PCB 2a and radiator 7 fully, thereby can make the heat transmission area reach large as much as possible, further improves the radiating effect of LED light fixture; Certainly before implementing the LED lamp assembled, the one side that differs from flexible PCB 2a at heat-conducting double-sided adhesive plaster 4a is provided with the strippable paper (not shown), to prevent that bond plies cloth from attaching foreign matter or being convenient to operation, when producing, again this strippable paper is torn it down, the flexible PCB 2a that will be coated with again heat-conducting double-sided adhesive plaster 4a is adhered to the installation that can finish this position on the radiator 7, can greatly enhance productivity with respect to screw is installed.
Further, the surface of described flexible PCB 2a is coated with white plated film by vacuum coating technology, the light that adopting surface mounted LED 3 sends all can be reflected away, to reach the effect that strengthens illumination.
Embodiment two
As shown in Figure 3 and Figure 4, the present embodiment two is unanimous on the whole with embodiment one structure, its main distinction point is: the coated on one side that differs from adopting surface mounted LED 3 of described flexible PCB 2a has thermal conductive adhesive 4b, the preferred acrylic glue of described thermal conductive adhesive 4b or organic silica gel.
Embodiment three
As shown in Figure 5, the present embodiment three is unanimous on the whole with embodiment one structure, its main distinction point is: described heat radiating metal shell is that the cross section is semicircular heat radiating metal pipe 10, the bonding one side of described heat radiating metal pipe 10 and flexible PCB 2b is the plane, the shape of the one side that the shape of described flexible PCB 2b and heat radiating metal pipe 10 are bonding is complementary, and also is the plane; The one side that differs from adopting surface mounted LED 3 of described flexible PCB 2b is coated with heat-conducting double-sided adhesive plaster 4c, and flexible PCB 2b is bonding by heat-conducting double-sided adhesive plaster 4c and heat radiating metal pipe 10.Can certainly thermal conductive adhesive 4b be arranged the coated on one side that differs from adopting surface mounted LED 3 at flexible PCB 2b as embodiment two, flexible PCB 2b is bonding by thermal conductive adhesive 4b and heat radiating metal pipe 10.
Only be preferred embodiment of the present utility model below, do not limit protection domain of the present utility model with this; Any replacement and the improvement done on the basis of not violating the utility model design all belong to protection domain of the present utility model.
Claims (8)
1. a LED light fixture comprises plurality of LEDs, flexible PCB, heat radiating metal shell, and described plurality of LEDs is welded on the flexible PCB by circuit relationships, it is characterized in that: a uniform fold that differs from welding LED of described flexible PCB has the heat conduction binding.
2. a kind of LED light fixture according to claim 1, it is characterized in that: described heat conduction binding is heat conduction glue.
3. a kind of LED light fixture according to claim 1, it is characterized in that: described heat conduction binding is the heat-conducting double-sided adhesive plaster.
4. each described a kind of LED light fixture according to claim 2 or in 3, it is characterized in that: the colloid material of described heat conduction binding is acrylic glue or organic silica gel.
5. a kind of LED light fixture according to claim 4, it is characterized in that: the shape of the bonding one side of described flexible PCB and heat radiating metal shell is complementary.
6. a kind of LED light fixture according to claim 5, it is characterized in that: the metal material in the described flexible PCB is copper material or aluminium foil copper facing.
7. a kind of LED light fixture according to claim 6, it is characterized in that: described LED is SMD.
8. a kind of LED light fixture according to claim 7 is characterized in that: the plated surface adularescent plated film of described flexible PCB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202637097U CN202746997U (en) | 2012-05-31 | 2012-05-31 | LED (light-emitting diode) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202637097U CN202746997U (en) | 2012-05-31 | 2012-05-31 | LED (light-emitting diode) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202746997U true CN202746997U (en) | 2013-02-20 |
Family
ID=47706388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202637097U Expired - Fee Related CN202746997U (en) | 2012-05-31 | 2012-05-31 | LED (light-emitting diode) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202746997U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251405A (en) * | 2014-08-28 | 2014-12-31 | 江西量一光电科技有限公司 | Novel LED bulb lamp |
-
2012
- 2012-05-31 CN CN2012202637097U patent/CN202746997U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251405A (en) * | 2014-08-28 | 2014-12-31 | 江西量一光电科技有限公司 | Novel LED bulb lamp |
| CN104251405B (en) * | 2014-08-28 | 2017-02-01 | 江西量一光电科技有限公司 | Novel LED bulb lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130220 Termination date: 20130531 |