CN203757612U - Fixing structure for LED (light-emitting diode) fluorescent tube light source PCB (printed circuit board) - Google Patents
Fixing structure for LED (light-emitting diode) fluorescent tube light source PCB (printed circuit board) Download PDFInfo
- Publication number
- CN203757612U CN203757612U CN201320881423.XU CN201320881423U CN203757612U CN 203757612 U CN203757612 U CN 203757612U CN 201320881423 U CN201320881423 U CN 201320881423U CN 203757612 U CN203757612 U CN 203757612U
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- CN
- China
- Prior art keywords
- light source
- fluorescent tube
- tube light
- led fluorescent
- source pcb
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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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Abstract
The utility model discloses a fixing structure for an LED (light-emitting diode) fluorescent tube light source PCB (printed circuit board), which solves the problem that the LED fluorescent tube light source PCB is low in radiating efficiency. The fixing structure comprises a radiating plate, wherein the upper surface of the radiating plate is provided with the LED fluorescent tube light source PCB in a clinging manner, and the upper surface of the LED fluorescent tube light source PCB is provided with an LED fluorescent tube light source. According to the fixing structure for the LED fluorescent tube light source PCB, the upper surface of the radiating plate is provided with the LED fluorescent tube light source PCB in the clinging manner, so that the heat transfer performance between the LED fluorescent tube light source PCB and the radiating plate is improved, and the radiating efficiency of the LED fluorescent tube light source PCB is improved.
Description
Technical field
The utility model relates to LED fluorescent lamp, especially a kind of LED fluorescent tube light source pcb board fixed structure that is mainly used in improving LED fluorescent tube light source pcb board radiating effect.
Background technology
Instantly LED light source using it advantage such as efficient, energy-conservation and environmental protection to capture most illumination market as latest generation light source be an irreversible trend.Wherein LED fluorescent tube has occupied sizable share.Well-known LED light source luminous efficiency and life-span are extremely responsive to temperature, and therefore the heat radiation of LED is the most important thing of LED Design of Luminaires always.
LED lamp tube light source pcb board is limit and cannot be adopted conventional screw to follow closely fixing mode due to size, and on market, the product of main flow all adopts the fixing mode of draw-in groove.In order to facilitate light source pcb board to insert smoothly draw-in groove, can leave certain interval.Even if light source pcb board scribbles heat dissipating silicone grease and also cannot fit tightly with aluminium radiator like this, affect heat loss through conduction effect under the effect that there is no external force.Add LED fluorescent tube use time normally surface of light source down, the gap under Action of Gravity Field between light source pcb board and radiator also can be strengthened, affect heat loss through conduction effect.
Utility model content
Technical problem to be solved in the utility model is: the LED fluorescent tube light source pcb board fixed structure that a kind of LED of raising fluorescent tube light source pcb board radiating effect is provided.
The utility model solves technical scheme that its technical problem adopts: comprise heat sink, be close to LED fluorescent tube light source pcb board is set at this heat sink upper surface, at the upper surface of this LED fluorescent tube light source pcb board, LED fluorescent tube light source is set.
Be respectively arranged with in the both sides of described heat sink to LED fluorescent tube light source pcb board upper surface tilt and push down left skewback and the right skewback of this LED fluorescent tube light source pcb board.
Described right skewback upper end bending, forms the cavity with reducing, is provided with elastic caoutchouc ball in this cavity, and this elastic caoutchouc ball is engaged between right skewback and LED fluorescent tube light source pcb board.
The back side of described heat sink is provided with connecting portion, and this connecting portion is connected with fin.
On described fin, be provided with multiple depressions and projection.
Described fin adopts plated film aluminium to make.
The beneficial effects of the utility model are: LED fluorescent tube light source pcb board fixed structure of the present utility model, owing to being close at heat sink upper surface, LED fluorescent tube light source pcb board is set, heat transfer property between LED fluorescent tube light source pcb board and heat sink is improved, improved the radiating efficiency of LED fluorescent tube light source pcb board.Because the both sides of the heat sink described are respectively arranged with to LED fluorescent tube light source pcb board upper surface tilt and push down left skewback and the right skewback of this LED fluorescent tube light source pcb board, make LED fluorescent tube light source pcb board be close to heat sink, improved radiating efficiency.Due to described right skewback upper end bending, formation has the cavity of reducing, in this cavity, be provided with elastic caoutchouc ball, this elastic caoutchouc ball is engaged between right skewback and LED fluorescent tube light source pcb board, make to install LED fluorescent tube light source pcb board quite convenient, when installation, first in the cavity with reducing being bent to form in right skewback upper end, fill in several elastic caoutchouc balls, then LED fluorescent tube light source pcb board one side being aimed to elastic caoutchouc ball inserts, until PCB opposite side can be put into the cavity that left skewback forms, the extruding of LED fluorescent tube light source pcb board to elastic caoutchouc ball after fixing, there is a reaction force in elastic caoutchouc club to LED fluorescent tube light source pcb board, realize LED fluorescent tube light source pcb board and be both close to heat sink raising radiating efficiency, effect easy for installation again.Because the back side of described heat sink is provided with connecting portion, this connecting portion is connected with fin, has strengthened further radiating effect.
Brief description of the drawings
Fig. 1 is the structural representation of LED fluorescent tube light source pcb board fixed structure of the present utility model;
Fig. 2 is the force analysis figure of a kind of structural representation of LED fluorescent tube light source pcb board fixed structure of the present utility model;
In figure, 1-heat sink, 2-LED fluorescent tube light source pcb board, 3-LED fluorescent tube light source, 4-left skewback, 5-right skewback, 6-elastic caoutchouc ball, 7-connecting portion, 8-fin.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model will be further described, but protection domain of the present utility model is not limited to the following stated.
As shown in Figure 1 and Figure 2, LED fluorescent tube light source pcb board fixed structure of the present utility model, comprise heat sink 1, be close to LED fluorescent tube light source pcb board 2 is set at this heat sink 1 upper surface, at the upper surface of this LED fluorescent tube light source pcb board 2, LED fluorescent tube light source 3 is set.LED fluorescent tube light source pcb board fixed structure of the present utility model, owing to being close at heat sink 1 upper surface, LED fluorescent tube light source pcb board 2 is set, heat transfer property between LED fluorescent tube light source pcb board 2 and heat sink 1 is improved, improved the radiating efficiency of LED fluorescent tube light source pcb board 2.It should be noted that described LED is the abbreviation of English light emitting diode, i.e. light emitting diode.Described PCB is the abbreviation of PrintedCircuitBoard, i.e. printed circuit board.
The side of above-mentioned heat sink 1 can arrange fastener, fastener as the lid of a lot of plastic cups by 2 fastenings of LED fluorescent tube light source pcb board at heat sink 1 upper surface, make it to be close to heat sink, but this mode structure is comparatively complicated, be applied in LED fluorescent tube light source pcb board fixed structure of the present utility model, have the problem of manufacture and operating difficulties.Therefore be to be respectively arranged with in the both sides of described heat sink 1 to LED fluorescent tube light source pcb board 2 upper surfaces tilt and push down left skewback 4 and the right skewback 5 of this LED fluorescent tube light source pcb board 2 as preferred mode, make LED fluorescent tube light source pcb board 2 be close to heat sink 1, improved radiating efficiency.
Further, described right skewback 5 upper end bendings, formation has the cavity of reducing, in this cavity, be provided with elastic caoutchouc ball 6, this elastic caoutchouc ball 6 is engaged between right skewback 5 and LED fluorescent tube light source pcb board 2, make to install LED fluorescent tube light source pcb board quite convenient, when installation, first in the cavity with reducing being bent to form in right skewback 5 upper ends, fill in several elastic caoutchouc balls 6, then LED fluorescent tube light source pcb board 2 one sides being aimed to elastic caoutchouc ball 6 inserts, until PCB opposite side can be put into the cavity that left skewback 4 forms, the extruding of LED fluorescent tube light source pcb board 2 to elastic caoutchouc ball 6 after fixing, elastic caoutchouc ball 6 can have a reaction force to LED fluorescent tube light source pcb board, realize LED fluorescent tube light source pcb board 2 and be both close to heat sink raising radiating efficiency, effect easy for installation again.
The back side of described heat sink 1 is provided with connecting portion 7, and this connecting portion 7 is connected with fin 8, and heat sink 1 transfers heat to fin 8, and fin 8 is gone out heat expanding, has strengthened further LED fluorescent tube light source pcb board 2 radiating effects.
Further, on described fin 8, be provided with multiple depressions and projection, increased the contact area between fin 8 and air, improved radiating efficiency.It should be noted that described depression and the general process of projection smooth treatment, eliminate corner angle and burr, reduce and pile up dust, improve radiating efficiency.
As preferably, described fin 8 adopts plated film aluminium to make, and has material slim and graceful, the advantage of good heat dissipation effect.Both alleviate the weight of whole LED fluorescent lamp, improved again radiating effect.
Claims (6)
1.LED fluorescent tube light source pcb board fixed structure, it is characterized in that: comprise heat sink (1), be close to LED fluorescent tube light source PCB(2 be set at this heat sink (1) upper surface), at this LED fluorescent tube light source PCB(2) upper surface LED fluorescent tube light source (3) is set.
2. LED fluorescent tube light source pcb board fixed structure according to claim 1, is characterized in that: be respectively arranged with to LED fluorescent tube light source PCB(2 in the both sides of described heat sink (1)) upper surface tilts and pushes down this LED fluorescent tube light source PCB(2) left skewback (4) and right skewback (5).
3. LED fluorescent tube light source pcb board fixed structure according to claim 2, it is characterized in that: described right skewback (5) upper end bending, formation has the cavity of reducing, in this cavity, be provided with elastic caoutchouc ball (6), this elastic caoutchouc ball (6) is engaged in right skewback (5) and LED fluorescent tube light source PCB(2) between.
4. LED fluorescent tube light source pcb board fixed structure according to claim 3, is characterized in that: the back side of described heat sink (1) is provided with connecting portion (7), and this connecting portion (7) is connected with fin (8).
5. LED fluorescent tube light source pcb board fixed structure according to claim 4, is characterized in that: on described fin (8), be provided with multiple depressions and projection.
6. LED fluorescent tube light source pcb board fixed structure according to claim 4, is characterized in that: described fin (8) adopts plated film aluminium to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881423.XU CN203757612U (en) | 2013-12-30 | 2013-12-30 | Fixing structure for LED (light-emitting diode) fluorescent tube light source PCB (printed circuit board) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881423.XU CN203757612U (en) | 2013-12-30 | 2013-12-30 | Fixing structure for LED (light-emitting diode) fluorescent tube light source PCB (printed circuit board) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203757612U true CN203757612U (en) | 2014-08-06 |
Family
ID=51252880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320881423.XU Expired - Fee Related CN203757612U (en) | 2013-12-30 | 2013-12-30 | Fixing structure for LED (light-emitting diode) fluorescent tube light source PCB (printed circuit board) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203757612U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989971A (en) * | 2015-06-25 | 2015-10-21 | 刘文生 | LED fluorescent lamp tube easy to assemble |
| CN109923346A (en) * | 2016-08-19 | 2019-06-21 | F·詹斯·范伦斯堡 | Radiator |
-
2013
- 2013-12-30 CN CN201320881423.XU patent/CN203757612U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989971A (en) * | 2015-06-25 | 2015-10-21 | 刘文生 | LED fluorescent lamp tube easy to assemble |
| CN109923346A (en) * | 2016-08-19 | 2019-06-21 | F·詹斯·范伦斯堡 | Radiator |
| CN109923346B (en) * | 2016-08-19 | 2020-08-04 | F·詹斯·范伦斯堡 | Heat radiator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20181230 |