CN200968506Y - Integrated LED bulb holder - Google Patents
Integrated LED bulb holder Download PDFInfo
- Publication number
- CN200968506Y CN200968506Y CNU2006200680665U CN200620068066U CN200968506Y CN 200968506 Y CN200968506 Y CN 200968506Y CN U2006200680665 U CNU2006200680665 U CN U2006200680665U CN 200620068066 U CN200620068066 U CN 200620068066U CN 200968506 Y CN200968506 Y CN 200968506Y
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- CN
- China
- Prior art keywords
- led
- pin
- constant current
- chip
- fin
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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 an integrative LED burner to provide an integrated LED burner with high efficiency, small volume and constant current. The utility model includes a LED (1), a radiator fan (2) having fans and holes, a circuit board (3) on which a LED drive circuit, a LED socket (6) and a lead wire (7) are mounted and a back cover (4). The utility model is highly efficient, has a small volume and constant current, can satisfy the need of the lighting field for small volume LED, and is especially suitable for hand torches.
Description
Technical field
The utility model relates to a kind of integrated LED lamp cap.
Background technology
The drive circuit of light emitting diode and lamp holder are at present in that finished product is a lot of on the market, and still, how improving its luminous efficiency and dwindling whole volume still is a new problem.LED is applied in existing a lot of years in the torch, and along with the progress of state-of-the-art technology, they become strong competitor in the illumination market just gradually.New high-brightness LED has the very long life-span (about 100,000 hours) and very high efficient (about 30 lumens/watt).Past three during the last ten years, the light output brightness of LED just can be doubled in per 18 ~ 24 months, and this growth also can continue, it is inexorable trend that LED becomes a kind of of following main body light source, therefore the high-efficiency constant-current drive circuit that adapts to LED also requires corresponding raising and perfect, just can reach real purpose of energy saving so improve the conversion efficiency of drive circuit, if but existing torch is raised the efficiency and the volume that allows the LED constant current must increase circuit board could solve, and makes product appearance have certain limitation.
In sum, exist in the actuation techniques of LED and the lamp cap device at present that efficient is low, volume is big, the defective of not constant current.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provides that a kind of efficient height, volume are little, the integrated LED lamp cap of constant current.
The technical scheme that the utility model adopted is: the utility model comprises LED, fin, circuit board, bottom, be manufactured with card and open-work on the described fin, led drive circuit and LED socket and lead-in wire are installed on the described circuit board, leaded hole, the bottom of described bottom, the pin of described LED passes the described open-work on the described fin, described LED is fixed by described card and closely amplexiforms with described fin, described circuit board is pegged graft by the pin of described socket and described LED and is installed below described fin, described bottom packing and the described LED of the all-in-one-piece that is fixedly linked, fin, circuit board, described lead-in wire is drawn from described bottom bottom lead hole.
Described led drive circuit comprises power supply DC V, load LED, the DC-DC constant current chip U1 that boosts, transistor Q1, crystal diode D1, inductance coil L1, resistance R 1, capacitor C 1 and C2, boost the 2nd pin of chip U1 of the positive pole of described power supply DC V and described DC-DC constant current is connected, boost the 1st pin of chip U1 of the negative pole of described power supply DC V and described DC-DC constant current is connected, described capacitor C 1 just is being connected in parallel on described power supply DC V, the negative pole two ends, boost the 5th pin of chip U1 of described DC-DC constant current is connected with the base stage of described transistor Q1, boost the 4th pin of chip U1 of described DC-DC constant current is connected with the emitter stage of described transistor Q1, the end of described inductance coil L1 is connected with the colelctor electrode of described transistor Q1, boost the 1st pin of chip U1 of the other end of described inductance coil L1 and described DC-DC constant current is connected, the positive pole of described crystal diode D1 is connected with the colelctor electrode of described transistor Q1, the negative pole of described crystal diode D1 is connected with an end of described capacitor C 2, the other end of described capacitor C 2 and described DC-DC constant current are boosted and are connected described resistance R 1 between the 4th pin of chip U1, the positive pole of described load LED is connected with the negative pole of described crystal diode D1, and the negative pole of described load LED is connected with the positive pole of described power supply DC V.
The beneficial effects of the utility model are: because the utility model comprises LED, fin, circuit board, bottom, be manufactured with card and open-work on the described fin, led drive circuit and LED socket and lead-in wire are installed on the described circuit board, leaded hole, the bottom of described bottom, the pin of described LED passes the described open-work on the described fin, described LED is fixed by described card and closely amplexiforms with described fin, described circuit board is pegged graft by the pin of described socket and described LED and is installed below described fin, described bottom packing and the described LED of the all-in-one-piece that is fixedly linked, fin, circuit board, described lead-in wire is drawn from described bottom bottom lead hole, so the utlity model has the efficient height, volume is little, the advantage of constant current.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a drive circuit schematic diagram of the present utility model.
The specific embodiment
As Fig. 1, shown in Figure 2, the utility model comprises LED 1, fin 2, circuit board 3, bottom 4, be manufactured with card and open-work on the described fin 2, led drive circuit and LED socket 6 are installed on the described circuit board 3 and go between 7, leaded hole, the bottom of described bottom 4, the pin of described LED 1 passes the described open-work on the described fin 2, described LED 1 is fixed by described card and closely amplexiforms with described fin 2, described circuit board 3 is pegged graft with the pin of described LED 1 by described socket 6 and is installed below described fin 2, described bottom 4 packing and the described LED 1 of the all-in-one-piece that is fixedly linked, fin 2, circuit board 3, described lead-in wire 7 is drawn from described bottom 4 bottom lead holes.
Described led drive circuit comprises power supply DC V, load LED, the DC-DC constant current chip U1 that boosts, transistor Q1, crystal diode D1, inductance coil L1, resistance R 1, capacitor C 1 and C2, boost the 2nd pin of chip U1 of the positive pole of described power supply DC V and described DC-DC constant current is connected, boost 1 pin of chip U1 of the negative pole of described power supply DC V and described DC-DC constant current is connected, described capacitor C 1 is connected in parallel on the two ends of described power supply DC V, boost the 5th pin of chip U1 of described DC-DC constant current is connected with the base stage of described transistor Q1, boost the 4th pin of chip U1 of described DC-DC constant current is connected with the emitter stage of described transistor Q1, the end of described inductance coil L1 is connected with the colelctor electrode of described transistor Q1, boost the 1st pin of chip U1 of the other end of described inductance coil L1 and described DC-DC constant current is connected, the positive pole of described crystal diode D1 is connected with the colelctor electrode of described transistor Q1, the negative pole of described crystal diode D1 is connected with an end of described capacitor C 2, the other end of described capacitor C 2 and described DC-DC constant current are boosted and are connected described resistance R 1 between the 4th pin of chip U1, the positive pole of described load LED is connected with the negative pole of described crystal diode D1, and the negative pole of described load LED is connected with the positive pole of described power supply DC V.
Claims (2)
1, a kind of integrated LED lamp cap, it comprises LED (1), fin (2), circuit board (3), bottom (4), it is characterized in that: described fin is manufactured with card and open-work on (2), led drive circuit and LED socket (6) and lead-in wire (7) are installed on the described circuit board (3), the leaded hole, bottom of described bottom (4), the pin of described LED (1) passes the described open-work on the described fin (2), described LED (1) is fixed by described card and closely amplexiforms with described fin (2), described circuit board (3) is pegged graft by described socket (6) and the pin of described LED (1) and is installed in described fin (2) below, described bottom (4) is packed and the described LED of the all-in-one-piece that is fixedly linked (1), fin (2), circuit board (3), described lead-in wire (7) is drawn from described bottom (4) bottom lead hole.
2, integrated LED lamp cap according to claim 1, it is characterized in that: described LED drives a circuit and comprises power supply DC V, load LED, the DC-DC constant current chip U1 that boosts, transistor Q1, crystal diode D1, inductance coil L1, resistance R 1, capacitor C 1 and C2, boost the 2nd pin of chip U1 of the positive pole of described power supply DC V and described DC-DC constant current is connected, boost the 1st pin of chip U1 of the negative pole of described power supply DC V and described DC-DC constant current is connected, described capacitor C 1 is connected in parallel on the two ends of described power supply DC V, boost the 5th pin of chip U1 of described DC-DC constant current is connected with the base stage of described transistor Q1, boost the 4th pin of chip U of described DC-DC constant current is connected with the emitter stage of described transistor Q1, the end of described inductance coil L1 is connected with the colelctor electrode of described transistor Q1, boost the 1st pin of chip U1 of the other end of described inductance coil L1 and described DC-DC constant current is connected, the positive pole of described crystal diode D1 is connected with the colelctor electrode of described transistor Q1, the negative pole of described crystal diode D1 is connected with an end of described capacitor C 2, the other end of described capacitor C 2 and described DC-DC constant current are boosted and are connected described resistance R 1 between the 4th pin of chip U1, the positive pole of described load LED is connected with the negative pole of described crystal diode D, and the negative pole of described load LED is connected with the positive pole of described power supply DC V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200680665U CN200968506Y (en) | 2006-11-17 | 2006-11-17 | Integrated LED bulb holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200680665U CN200968506Y (en) | 2006-11-17 | 2006-11-17 | Integrated LED bulb holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200968506Y true CN200968506Y (en) | 2007-10-31 |
Family
ID=38968079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200680665U Expired - Fee Related CN200968506Y (en) | 2006-11-17 | 2006-11-17 | Integrated LED bulb holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200968506Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975376A (en) * | 2010-10-08 | 2011-02-16 | 深圳市华星光电技术有限公司 | Luminous source heat-dissipation structure of backlight module |
-
2006
- 2006-11-17 CN CNU2006200680665U patent/CN200968506Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975376A (en) * | 2010-10-08 | 2011-02-16 | 深圳市华星光电技术有限公司 | Luminous source heat-dissipation structure of backlight module |
| CN101975376B (en) * | 2010-10-08 | 2012-07-11 | 深圳市华星光电技术有限公司 | Luminous source heat-dissipation structure of backlight module |
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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: 20071031 Termination date: 20111117 |