CN201359227Y - Improved LED lamp string structure - Google Patents
Improved LED lamp string structure Download PDFInfo
- Publication number
- CN201359227Y CN201359227Y CNU2008201813979U CN200820181397U CN201359227Y CN 201359227 Y CN201359227 Y CN 201359227Y CN U2008201813979 U CNU2008201813979 U CN U2008201813979U CN 200820181397 U CN200820181397 U CN 200820181397U CN 201359227 Y CN201359227 Y CN 201359227Y
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- Prior art keywords
- lamp string
- rectifier
- electroluminescent lamp
- string
- light emitting
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- 239000003990 capacitor Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
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Abstract
The utility model discloses an improved LED lamp string structure, which comprises a power plug and at least a lightening lamp string set formed by connecting lightening lamp strings in parallel, wherein the lightening lamp strings are formed by connecting a plurality of light-emitting diodes in series; a rectifier is arranged between the front end of the lightening lamp string set and the power plug; the tail end of the lightening lamp string set is also connected with the power plug; D2 of each light-emitting diode is connected with a divider resistance in series, and then is connected with a voltage stabilizing diode Dw in parallel. Each light-emitting diode in the LED lamp string structure can give out light in the normal and stable working voltage so as to ensure the better lightening effect of the lamp string.
Description
Technical field
The utility model belongs to LED luminescence technology field, particularly a kind of follow-on LED lamp string structure.
Background technology
In the prior art, in order to decorate the celebrating atmosphere in red-letter days such as Christmas, generally can using is serially connected by many light emitting diodes of sending out the different colours light forms the electroluminescent lamp string, so just can send the polychromatic light of flicker, can enliven the atmosphere in red-letter day preferably, but all be to stablize its operating voltage generally on each light emitting diode of existing electroluminescent lamp string by the Zener diode that is connected in parallel on its two ends, but for different light emitting diodes, its operational voltage value scope is different, like this, only be difficult to accomplish to stablize the purpose of its operating voltage, thereby influence normal and stable luminous of electroluminescent lamp string by being connected in parallel on the identical Zener diode in its two ends.
The utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of improved LED lamp string structure is provided, and this LED lamp string structure can guarantee that each light emitting diode is normal stable luminous, to guarantee the lamp string illumination effect is preferably arranged.
In order to realize above-mentioned technical purpose, the utility model is realized by following technical scheme:
Improved LED lamp string structure described in the utility model, comprise attaching plug, and at least one electroluminescent lamp string group of forming of the electroluminescent lamp connection in series-parallel that forms by the series connection of some light emitting diodes, be provided with rectifier between this electroluminescent lamp string group front end and the attaching plug, the end of this electroluminescent lamp string group also is connected with supply socket, is connected in parallel with a Zener diode Dw behind the divider resistance R2 that all is connected in series on described each light emitting diode D2 again.
Further improvement as above-mentioned technology, the number of described electroluminescent lamp string is a string, described rectifier is commutation diode D1, the RC filter circuit that also is connected with filter capacitor C1 or is formed by R1, C1 between this commutation diode D1 and some the light emitting diode D2 that are serially connected.
Further improvement as above-mentioned technology, described electroluminescent lamp string group is formed by two string electroluminescent lamp connection in series-parallel, set rectifier is commutation diode D1 on every lamp string, the RC filter circuit that also is connected with filter capacitor C1 or is formed by R1, C1 between the lamp string that this commutation diode and some many light emitting diode D2 that are serially connected form.
In the utility model, the number of described electroluminescent lamp string element is a string, the number of described electroluminescent lamp string element is a string, the bridge rectifier of described rectifier for forming by four commutation diode D1 bridge joints, the RC filter circuit that also is connected with filter capacitor or forms between this bridge rectifier and some the light emitting diode D2 that are serially connected by R1, C1.
As the further improvement of above-mentioned technology, described electroluminescent lamp string group is formed by two string electroluminescent lamp connection in series-parallel, and set rectifier is four bridge rectifiers that commutation diode D1 bridge joint forms on every lamp string.
Compared with prior art, the beneficial effects of the utility model are:
(1) the utility model is guaranteed each light emitting diode stable operating voltage owing in parallel with Zener diode Dw again behind the divider resistance R2 that is connected in series on each light emitting diode, thereby guarantees that the electroluminescent lamp string has illumination effect preferably;
(2) the utility model is owing to be provided with attaching plug and supply socket simultaneously in the lamp string road, like this, make identical lamp string product take advantage of a situation and connect that to satisfy the stabilized illumination work simultaneously of more light emitting diodes, Practical Performance is strong by attaching plug and socket.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in detail:
Fig. 1 is the circuit theory diagrams of the utility model embodiment one described lamp string structure;
Fig. 2 is the circuit theory diagrams of the utility model embodiment two described lamp string structures;
Fig. 3 is the circuit theory diagrams of the utility model embodiment three described lamp string structures;
Fig. 4 is the circuit theory diagrams of the utility model embodiment four described lamp string structures.
The specific embodiment
Embodiment one
As shown in Figure 1, a kind of LED lamp string structure that improves structure described in the utility model, comprise attaching plug, and one connected by rectifier and with some light emitting diodes of rectifier electrical connection and to form the electroluminescent lamp string, the end of this electroluminescent lamp string is connected with supply socket, all be connected in series on described each light emitting diode D2 and be connected in parallel with a Zener diode Dw again behind the divider resistance R2, by this divider resistance R2 with suitable the turning down of the voltage on the light emitting diode D2, to guarantee that each light emitting diode D2 can both carry out work in its specified operating voltage range value, make luminous that it can be stable, have illumination effect preferably.
In the present embodiment, described rectifier is the commutation diode D1 of unidirectional conducting, also is connected with the RC filter circuit that is formed by R1, C1 between this commutation diode D1 and some the light emitting diode D2 that are serially connected.By this commutation diode D1 and RC filter circuit, can be so that the AC energy elimination half-wave of output guarantees that the lamp string has stable operating voltage.
Embodiment two
Present embodiment and embodiment one are basic identical, its difference is: as shown in Figure 2, described electroluminescent lamp string group is formed by two string electroluminescent lamp connection in series-parallel, set rectifier is commutation diode D1 on every lamp string, the RC filter circuit that also is connected with filter capacitor C1 or is formed by R1, C1 between the lamp string that this commutation diode and some many light emitting diode D2 that are serially connected form.
Embodiment three:
Present embodiment and embodiment one are basic identical, its difference is: as shown in Figure 3, the number of described electroluminescent lamp string element is a string, the bridge rectifier of described rectifier for forming by four commutation diode D1 bridge joints, the RC filter circuit that also is connected with filter capacitor or forms between this bridge rectifier and some the light emitting diode D2 that are serially connected by R1, C1.
Embodiment four
Present embodiment and previous embodiment three are basic identical, and its difference is: as shown in Figure 4, described electroluminescent lamp string group is formed by two string electroluminescent lamp connection in series-parallel, and set rectifier is four bridge rectifiers that commutation diode D1 bridge joint forms on every lamp string.
The utility model is not limited to above-mentioned embodiment, if various changes of the present utility model or modification are not broken away from spirit and scope of the present utility model, if these are changed and modification belongs within claim of the present utility model and the equivalent technologies scope, then the utility model also comprises these changes and modification.
Claims (5)
1. improved LED lamp string structure, comprise attaching plug, and at least one electroluminescent lamp string group of forming of the electroluminescent lamp connection in series-parallel that forms by the series connection of some light emitting diodes, be provided with rectifier between this electroluminescent lamp string group front end and the attaching plug, the end of this electroluminescent lamp string group also is connected with supply socket, it is characterized in that: be connected in parallel with a Zener diode Dw behind the divider resistance R2 that all is connected in series on described each light emitting diode D2 again.
2. improved LED lamp string structure according to claim 1, it is characterized in that: the number of described electroluminescent lamp string is a string, described rectifier is commutation diode D1, the RC filter circuit that also is connected with filter capacitor C1 or is formed by R1, C1 between this commutation diode D1 and some the light emitting diode D2 that are serially connected.
3. improved LED lamp string structure according to claim 1, it is characterized in that: described electroluminescent lamp string group is formed by two string electroluminescent lamp connection in series-parallel, set rectifier is commutation diode D1 on every lamp string, the RC filter circuit that also is connected with filter capacitor C1 or is formed by R1, C1 between the lamp string that this commutation diode and some many light emitting diode D2 that are serially connected form.
4. improved LED lamp string structure according to claim 1, it is characterized in that: the number of described electroluminescent lamp string element is a string, the bridge rectifier of described rectifier for forming by four commutation diode D1 bridge joints, the RC filter circuit that also is connected with filter capacitor or forms between this bridge rectifier and some the light emitting diode D2 that are serially connected by R1, C1.
5. improved LED lamp string structure according to claim 1 is characterized in that: described electroluminescent lamp string group is formed by two string electroluminescent lamp connection in series-parallel, and set rectifier is four bridge rectifiers that commutation diode D1 bridge joint forms on every lamp string.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201813979U CN201359227Y (en) | 2008-12-05 | 2008-12-05 | Improved LED lamp string structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201813979U CN201359227Y (en) | 2008-12-05 | 2008-12-05 | Improved LED lamp string structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201359227Y true CN201359227Y (en) | 2009-12-09 |
Family
ID=41424991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201813979U Expired - Lifetime CN201359227Y (en) | 2008-12-05 | 2008-12-05 | Improved LED lamp string structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201359227Y (en) |
-
2008
- 2008-12-05 CN CNU2008201813979U patent/CN201359227Y/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 | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091209 |