CN201166341Y - Surface type SMD LCD lamp with high heat radiation performance - Google Patents
Surface type SMD LCD lamp with high heat radiation performance Download PDFInfo
- Publication number
- CN201166341Y CN201166341Y CNU2007200088431U CN200720008843U CN201166341Y CN 201166341 Y CN201166341 Y CN 201166341Y CN U2007200088431 U CNU2007200088431 U CN U2007200088431U CN 200720008843 U CN200720008843 U CN 200720008843U CN 201166341 Y CN201166341 Y CN 201166341Y
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- CN
- China
- Prior art keywords
- led
- smd
- base body
- circuit board
- printed circuit
- 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 - Lifetime
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- Fastening Of Light Sources Or Lamp Holders (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
A high heat radiating surface type S M D light-emitting diode lamp comprises a base for an S M D-LED, which is characterized in that the base comprises a base body which is made from high heat conducting metal material, a printed circuit board is arranged on at least one side of the mounting surface of the base body, and is arranged along the array direction of the S M D-LED, the S M D-LED is jointed on the middle portion of the mounting surface of the base body, the heat emitting end of the S M D-LED is directly fixed with the base, and P, N connection legs are respectively guided with the printed circuit board to form a loop. As the heat emitting end of the S M D-LED is directly fixed with the base, heat energy which is generated by the light-emitting diode can directly exhale through the base body with high heat conduction, and heat energy generated by the lamp can be rapidly and timely guided and exhausted through the base, therefore the temperature rising of the light-emitting diode is slow, thereby well guaranteeing the light emitting property of the S M D-LED, prolonging the service life of the S M D-LED, greatly reducing energy consumption, and having simple structure and design, and simple manufacture.
Description
Technical field
The utility model relates to led lamp, specifically is a kind of surface type SMD led lamp of high-cooling property.
Background technology
With reference to Fig. 1, Fig. 2.Common led lamp is that surface type light emitting diode (hereinafter to be referred as SMD-LED) 2 is fixedly mounted on the circuit board (PCB or aluminium wiring board) 3 of light fixture, again circuit board 3 is utilized insulating cement to be fixed on the base body 1 of high-cooling property, the P of SMD-LED 2, N wiring pin 22,23 electrically connect with circuit board 3 respectively, external circuit imposes direct current by P, the N level of 3 couples of SMD-LED 2 of circuit board, impels SMD-LED 2 to produce brightness.The heat that SMD-LED 2 produces is got rid of by base body 1 after circuit board 3 transmits by heating end 21.But, because printed circuit board (PCB) 3 is non-high heat conductive body, its thermal conductivity coefficient is low, heat dispersion is poor, particularly a large amount of heat energy of the light fixture generation of most SMD-LED concentrating type encapsulation compositions can't in time be dredged and be got rid of, directly cause SMD-LED 2 junction temperatures to raise, light fixture hot polymerization effect and thermal resistance are excessive, cause short and light decay phenomenon in 2 service lifes of SMD-LED easily, and therefore improve energy consumption.
Summary of the invention
The purpose of this utility model be overcome existing surface type SMD led lamp because of dispel the heat bad cause shorten service life, light decay and the high deficiency of power consumption, a kind of surface type SMD led lamp of high-cooling property is provided.
The purpose of this utility model is achieved through the following technical solutions:
The surface type SMD led lamp of high-cooling property, comprise the pedestal that is used for device SMD-LED, it is characterized in that: described pedestal comprises the base body that a high-thermal conductive metal material is made, at least one side printed circuit board (PCB) that has been sticked on the installed surface of this base body, printed circuit board (PCB) is arranged along the SMD-LED orientation; SMD-LED is attached at base body installed surface middle part, and its heating end is directly fixedlyed connected with base body, and P, N wiring pin connect with printed circuit board (PCB) respectively and form the loop.
The P of described SMD-LED, N wiring pin are divided into the both sides of SMD-LED, and the installed surface dual-side correspondence of the base body printed circuit board (PCB) that has been sticked has spacing between the printed circuit board (PCB) of both sides; The heating end of SMD-LED is fixedlyed connected with the base body installed surface central part between the printed circuit board (PCB) of both sides.
Pedestal central part between described two printed circuit board (PCB)s is provided with the projection of arranging along its length; SMD-LED heating end is fixing with the projection welding.
The P of described SMD-LED, N wiring pin are located at the same side of SMD-LED, are provided with step with the corresponding printed circuit board (PCB) that has been sticked of corresponding base body installed surface one side of wiring pin, opposite side; Its heating end of SMD-LED is direct and the welding of pedestal step is fixing.
Described pedestal integral body is strip, discoid or square frame shape.
The utlity model has following advantage:
The directly fixing welding of the base body that the heating end of SMD-LED and high-thermal conductive metal material are made, the heat energy that SMD-LED is produced is directly dispersed by the base body of high heat conduction, particularly a large amount of heat energy of the light fixture generation of most SMD-LED concentrating type assembling formations are in time dredged by base body rapidly and are got rid of, the heat susceptor conductive performance is good, heat dissipation channel is unimpeded, thermal resistance is little, the light-emitting diodes duct ligation heats up just slow, ensure the luminescent properties of SMD-LED well, prolong the service life of SMD-LED, cut down the consumption of energy greatly.The two wiring pin of SMD-LED electrically connect with the printed circuit board (PCB) that is installed on the base body installed surface respectively, and reasonable in design is made simply, has very good practical value, improves the competitiveness of product in market greatly.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is the structure cutaway view of existing surface type SMD led lamp.
Fig. 2 is the structural representation of the utility model first embodiment.
Fig. 3 is along the cutaway view Amplified image of A-A direction among the figure.
Fig. 4 is the structural representation of the utility model second embodiment.
Fig. 5 is along the cutaway view Amplified image of B-B direction among Fig. 4.
The specific embodiment
Embodiment 1: with reference to Fig. 2, Fig. 3.The surface type SMD led lamp of high-cooling property comprises the pedestal that is used for a plurality of SMD-LED 2 of device, and pedestal comprises the base body 1 that adopts high-thermal conductive metal material such as aluminium, alloy etc. to make; On the installed surface of the base body 1 that a plurality of SMD-LED 2 are installed in order along base body 1.
The end face middle part of base body 1 is provided with groove 11, and groove 11 runs through the length direction of base body 1, and the bottom surface of groove 11 is for installing the installed surface of SMD-LED 2.The central part of installed surface is provided with along its length the projection 12 of arranging, the correspondence printed circuit board (PCB) 31,32 that has been sticked on the installed surface of protruding 12 both sides.The directly fixing welding of the heating end 21 of each SMD-LED 2 and projection 12 end faces between the printed circuit board (PCB) of both sides, and SMD-LED 2 is fixed on the base body 1.The both sides of SMD-LED 2 have P, N wiring pin 22,23, and P, N wiring pin 22,23 are electrically conducted with corresponding printed circuit board (PCB) 31,32 respectively and form the loop.
With reference to Fig. 2, Fig. 3.Two printed circuit board (PCB)s 31,32 can adopt the staggered layout at interval of multisection type or other circuit forms to arrange, make both sides printed circuit board (PCB) 31,32 form P electrode district, the N electrode district that is cross-linked SMD-LED 2 respectively, to realize a plurality of SMD-LED concentrating type series, parallel loop.
As Fig. 2, shown in Figure 3, pedestal integral body is strip.But the shape of pedestal is not limited to shown in the figure, can be designed to discoid or other moulding such as square frame shape according to concrete needs.
Embodiment 2: with reference to Fig. 4, Fig. 5.Present embodiment with implement 1 and different be:
The P of SMD-LED 2, N wiring pin 31,32 are located at the same side of SMD-LED, are provided with step 13 be sticked printed circuit board (PCB) 33, opposite side of base body 1 installed surface one side of wiring pin 22,23 corresponding sides.Printed circuit 33 plates are fixedly mounted on SMD- LED wiring pin 22,23 corresponding installed surface one sides, and the printed circuit board (PCB) 33 after the installation and the end face of step 13 are positioned on the same horizontal plane, so that fixing SMD-LED 2.The 21 step 13 end faces welding direct and base body 1 of SMD-LED 2 heating ends are fixing, and SMD-LED 2 are fixed on the installed surface of base body 1.All the other structures are identical with embodiment 1, do not repeat them here.
The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented with this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (5)
1, the surface type SMD led lamp of high-cooling property, comprise the pedestal that is used for device SMD-LED, it is characterized in that: described pedestal comprises the base body that a high-thermal conductive metal material is made, at least one side printed circuit board (PCB) that has been sticked on the installed surface of this base body, printed circuit board (PCB) is arranged along the SMD-LED orientation; SMD-LED is attached at base body installed surface middle part, and its heating end is directly fixedlyed connected with base body, and P, N wiring pin connect with printed circuit board (PCB) respectively and form the loop.
2, surface type SMD led lamp according to claim 1, it is characterized in that: the P of described SMD-LED, N wiring pin are divided into the both sides of SMD-LED, the installed surface dual-side correspondence of the base body printed circuit board (PCB) that has been sticked has spacing between the printed circuit board (PCB) of both sides; The heating end of SMD-LED is fixedlyed connected with the base body installed surface central part between the printed circuit board (PCB) of both sides.
3, surface type SMD led lamp according to claim 2 is characterized in that: the pedestal central part between described two printed circuit board (PCB)s is provided with the projection of arranging along its length; SMD-LED heating end is fixing with the projection welding.
4, surface type SMD led lamp according to claim 1, it is characterized in that: the P of described SMD-LED, N wiring pin are located at the same side of SMD-LED, are provided with step with the corresponding printed circuit board (PCB) that has been sticked of corresponding base body installed surface one side of wiring pin, opposite side; Its heating end of SMD-LED is direct and the welding of pedestal step is fixing.
5, surface type SMD led lamp according to claim 1 is characterized in that: described pedestal integral body is strip, discoid or square frame shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200088431U CN201166341Y (en) | 2007-11-19 | 2007-11-19 | Surface type SMD LCD lamp with high heat radiation performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200088431U CN201166341Y (en) | 2007-11-19 | 2007-11-19 | Surface type SMD LCD lamp with high heat radiation performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201166341Y true CN201166341Y (en) | 2008-12-17 |
Family
ID=40191731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200088431U Expired - Lifetime CN201166341Y (en) | 2007-11-19 | 2007-11-19 | Surface type SMD LCD lamp with high heat radiation performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201166341Y (en) |
-
2007
- 2007-11-19 CN CNU2007200088431U patent/CN201166341Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20071119 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |