CN201568796U - Improved LED light string - Google Patents
Improved LED light string Download PDFInfo
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- CN201568796U CN201568796U CN2009202133089U CN200920213308U CN201568796U CN 201568796 U CN201568796 U CN 201568796U CN 2009202133089 U CN2009202133089 U CN 2009202133089U CN 200920213308 U CN200920213308 U CN 200920213308U CN 201568796 U CN201568796 U CN 201568796U
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- string
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Abstract
The utility model relates to an improved LED light string, which comprises a two-circuit LED light strings, wherein the anode of the first circuit and the cathode of the second circuit are connected with a first pin of a control chip, the cathode of the first circuit and the anode of the second circuit are connected with a second pin of the control chip, and the first and the second pins are respectively connected with a power source and a drive tube through a coupled twin switch inside the light string control chip. A plurality of the above two-circuit LED light strings can be connected with each other in parallel to form a multi-circuit light string. Each LED light in the LED light string can be of a single LED and also can be encapsulated together. The improved LED light string is applicable to the different Christmas light string products such as the solar Christmas light string. Compared with the traditional method, under the condition that the quantity of the LED light string circuit is constant, the quantity of the used copper wire is reduced, so the winding time and the cost of the product can be greatly reduced. At the same time, the two-circuit LED light string can be standardized and modularized to assemble a multi-circuit LED light string, so the processing is convenient, and the production efficiency can be further improved.
Description
Technical field
The utility model belongs to LED lamp string design application, relates to a kind of improved LED lamp string and control system thereof, especially Christmas LED lamp string and control system thereof.
Background technology
Christmans light string is normally combined by LED monochrome (red, yellow, blue, green, white, letter out) or lampion string and LED lamp series controller, can produce multiple light variation effects such as Chang Liang, gradual change, flicker, the LED number on lamp string length, way, each road can customize according to specific requirement.The basic function of LED lamp series controller chip comprises: driving LED lamp string, the light changing pattern of LED lamp string is controlled.Can adopt various mode to provide power supply for LED lamp string, if the solar energy Christmans light string, its LED lamp series controller chip also comprises photosensitive control circuit or the like.
Fig. 1 is an example with simple 2 the tunnel, and the traditional LED lamp string and the using method of controller chip thereof have been described.Among the figure, n is the LED number on each road, can customize according to specific requirement, and representative value is 50,100, and what quantity was many reaches 200,500 even more.Fig. 2 has provided the local control of 2 traditional paths of LEDs lamp series controller chip internals schematic diagram.Swith1, swith2 are 2 pins of LED lamp string control chip, and sheet connects the negative pole of the first via and the second paths of LEDs lamp string outward respectively, provide the driving tube of drive current to be communicated with by switching tube with giving LED lamp string respectively in the sheet.Switching tube is subjected to the control of the concrete lamp light mode control circuit of chip internal, when switch1 is communicated with driving tube by switching tube, and the first paths of LEDs lamp cross luma, when switch2 is communicated with driving tube by switching tube, the second paths of LEDs lamp cross luma.2 paths of LEDs lamp strings need 3 lines, normally copper cash.
The LED number on each road is many more, and the copper cash coiling is long more, and processing is trouble more, and copper cash need be thick more, to reduce the pressure drop of LED drive current on copper cash.Copper cash is long more thick more, and cost is high more, and it occupies suitable proportion in whole LED Christmans light string product, and proportion is high nearly reaches 50%.
More than in needed 3 lines of 2 paths of LEDs lamp strings, the positive pole of all LED connects single line, promptly meets VDD, in addition, the negative pole of first paths of LEDs connects single line, connects the switch1 pin of chip, the negative pole of second paths of LEDs connects single line, connects the switch2 pin of chip.In the process, note distinguishing each root line, in case the VDD line corresponding with switch1 or switch2 connects instead, will cause the product cisco unity malfunction, this has certain influence to production efficiency.
Fig. 3 is the traditional 4 paths of LEDs lamp strings and the using method schematic diagram of control chip thereof, its method of attachment and operation principle and 2 tunnel similar, need altogether 5 copper cash, one meets power vd D, other four respectively with 4 pins (switch1/2/3/4 links to each other) of LED lamp string control chip.Chip internal is subjected to the control of concrete lamp light mode control circuit, switchk (k=1,2,3,4) by switching tube when providing the driving tube of drive current to be communicated with for LED lamp string, k paths of LEDs lamp cross luma.
The utility model content
The purpose of this utility model is to provide a kind of improved LED lamp string, and the reduction product cost is also enhanced productivity.
For reaching above purpose, the solution that the utility model adopted is:
A kind of improved decorative chain, it comprises 2 street lamp strings, the negative pole of the positive pole of the first street lamp string and the second street lamp string connects first pin of lamp string control chip by first copper cash, the positive pole of the negative pole of the first street lamp string and the second street lamp string connects second pin of lamp string control chip by second copper cash, and described first pin links to each other with driving tube with power supply by ganged switch respectively in lamp string control chip inside with second pin.
A kind of improved decorative lamp can adopt a plurality of above-mentioned 2 street lamp connection in series-parallel and form to have fairly large multichannel lamp string.The pin of lamp string control chip associated therewith also can become a plurality of from 2, and each pin links to each other with driver with power supply by ganged switch respectively in lamp string control chip inside.That is to say being connected of lamp string and pin, can be that multichannel lamp polyphone is connected to identical pin and controls jointly, also can be that every street lamp string connects pin separately and controls separately.
Described lamp string is a LED lamp string.
Each LED lamp in the described LED lamp string can be single led, also can be a plurality of LED that are packaged in together.
Described power supply can be a common power, also can be sun-generated electric power.
General solar energy Christmas lamp adopts solar cell for supplying power, and corresponding lamp series controller chip has comprised photosensitive control circuit etc., but used lamp also is the LED lamp in the solar energy Christmans light string.
2 paths of LEDs lamp strings of the present utility model only need two lines, and the negative pole of the positive pole of the first paths of LEDs lamp string and the second paths of LEDs lamp string connects single line, just connects the switch1 pin of LED lamp series controller chip.The positive pole of the negative pole of the first paths of LEDs lamp string and the second paths of LEDs lamp string connects second line, just connects the switch2 pin of LED lamp series controller chip.Chip internal is subjected to the control of concrete lamp light mode control circuit, and during the first paths of LEDs lamp cross luma, switch1 is communicated with power vd D by switching tube, and switch2 is communicated with driving tube by switching tube; During the second paths of LEDs lamp cross luma, switch1 is communicated with driving tube by switching tube, and switch2 is communicated with power vd D by switching tube.
The using method of 2 paths of LEDs lamp strings of the present utility model and controller chip thereof is compared with conventional method, has saved a copper cash, drops to 2 from 3, has reduced the needed time of coiling on the one hand, has reduced product cost on the other hand.Simultaneously, 2 lines of Switch1 and switch2 correspondence do not have primary and secondary relation, do not need to be distinguished especially, even connect instead, product still can operate as normal, thereby can further reduce process time, enhances productivity.
Further, the method for attachment of 4 paths of LEDs lamp strings and operation principle and 2 tunnel similar need 4 copper cash altogether, respectively with 4 pins (switch1/2/3/4 links to each other) of LED lamp string control chip.Chip internal is subjected to the control of concrete lamp light mode control circuit, and switch1 is communicated with power vd D by switching tube and switch2 when being communicated with driving tube by switching tube, the first paths of LEDs lamp cross luma, otherwise the second paths of LEDs lamp cross luma; Switch3 is communicated with power vd D by switching tube and switch4 when being communicated with driving tube by switching tube, Third Road LED lamp cross luma, otherwise the 4th paths of LEDs lamp cross luma.
The using method of improved 4 paths of LEDs lamp strings and controller chip thereof is compared with conventional method, has also saved a copper cash, drops to 4 from 5, has above-mentioned all advantages identical with 2 tunnel.
On the other hand, can make a standard module to 2 paths of LEDs lamp strings, can be combined into 4 paths of LEDs lamp strings easily with 2 this kind standard modules.Therefore, for LED multi-path lamp string, the advantage of enhancing productivity of improving one's methods is more obvious.
Owing to adopted such scheme, the utlity model has following characteristics: the using method of LED lamp string of the present utility model and control chip thereof, under the constant condition of LED lamp string way, reduce the radical of the copper cash that uses, thereby reduce the coiling time significantly and reduce finished product.Simultaneously, with 2 paths of LEDs lamp string standard modular, can be combined into LED multi-path lamp string easily by calling these standard modules, easy to process, production efficiency further is greatly improved.
Description of drawings
Fig. 1 is the traditional 2 paths of LEDs lamp strings and the schematic diagram of controller chip thereof.
Fig. 2 is traditional inner local control schematic diagram of 2 paths of LEDs lamp string control chips.
Fig. 3 is the traditional 4 paths of LEDs lamp strings and the schematic diagram of controller chip thereof.
Fig. 4 is the schematic diagram of 2 paths of LEDs lamp strings of the present utility model and controller chip thereof.
Fig. 5 is the local control of 2 a paths of LEDs lamp series controller chip internals of the present utility model schematic diagram.
Fig. 6 is the schematic diagram of 4 paths of LEDs lamp strings of the present utility model and controller chip thereof.
The specific embodiment
Below in conjunction with the accompanying drawing illustrated embodiment the utility model is further described.
Fig. 4 is an example with simple 2 the tunnel, and the using method of improved LED lamp string and controller chip thereof has been described.Fig. 5 has provided the local control of improved 2 paths of LEDs lamp series controller chip internals schematic diagram.2 tunnel LED lamp string only needs two lines, and the negative pole of the positive pole of the first paths of LEDs lamp string and the second paths of LEDs lamp string connects single line, connects the switch1 pin of LED lamp series controller chip.The positive pole of the negative pole of the first paths of LEDs lamp string and the second paths of LEDs lamp string connects second line, connects the switch2 pin of LED lamp series controller chip.Chip internal is subjected to the control of concrete lamp light mode control circuit, during the first paths of LEDs lamp cross luma, switching tube S12 and S21 conducting, switching tube S11 and S22 turn-off, and switch1 is communicated with power vd D by switching tube S12, and switch2 is communicated with driving tube by switching tube S21; During the second paths of LEDs lamp cross luma, switching tube S11 and S22 conducting, switching tube S12 and S21 turn-off, and switch1 is communicated with driving tube by switching tube S11, and switch2 is communicated with power vd D by switch S 22 pipes.
The using method of improved 2 paths of LEDs lamp strings and controller chip thereof is compared with conventional method, has saved a copper cash, drops to 2 from 3, has reduced the needed time of coiling on the one hand, has reduced product cost on the other hand.Simultaneously, 2 lines of Switch1 and switch2 correspondence do not have primary and secondary relation, do not need to be distinguished especially, even connect instead, product still can operate as normal, thereby can further reduce process time, enhances productivity.
Fig. 5 is the using method of improved 4 paths of LEDs lamp strings and controller chip thereof.4 tunnel method of attachment and operation principle and 2 tunnel similar need 4 altogether with copper cash, respectively with 4 pins (switch1/2/3/4 links to each other) of LED lamp string control chip.Chip internal is subjected to the control of concrete lamp light mode control circuit, and switch1 is communicated with power vd D by switching tube and switch2 when being communicated with driving tube by switching tube, the first paths of LEDs lamp cross luma, otherwise the second paths of LEDs lamp cross luma; Switch3 is communicated with power vd D by switching tube and switch4 when being communicated with driving tube by switching tube, Third Road LED lamp cross luma, otherwise the 4th paths of LEDs lamp cross luma.
The using method of improved 4 paths of LEDs lamp strings and controller chip thereof is compared with conventional method, has also saved a copper cash, drops to 4 from 5, has above-mentioned all advantages identical with 2 tunnel.The utility model is not limited to 2 road and 4 paths of LEDs lamp strings, is applicable to the LED lamp string product of any way, and the LED lamp in each road also can be individual arbitrarily.
On the other hand, can make a standard module to 2 paths of LEDs lamp strings, can be combined into 4 paths of LEDs lamp strings easily with 2 this kind standard modules.Therefore, for LED multi-path lamp string, the advantage of enhancing productivity of improving one's methods is more obvious.
The above-mentioned description to embodiment is can understand and use the utility model for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the utility model is not limited to the embodiment here, and those skilled in the art are according to the above content that discloses, and improvement of being made under the situation that does not break away from the utility model category and modification all should be within protection domains of the present utility model.
Claims (9)
1. improved decorative chain, it comprises 2 street lamp strings, it is characterized in that: the negative pole of the positive pole of the first street lamp string and the second street lamp string connects first pin of lamp string control chip by first copper cash, the positive pole of the negative pole of the first street lamp string and the second street lamp string connects second pin of lamp string control chip by second copper cash, and described first pin links to each other with driving tube with power supply by ganged switch respectively in lamp string control chip inside with second pin.
2. improved decorative chain as claimed in claim 1 is characterized in that: described lamp string is a LED lamp string.
3. improved decorative chain as claimed in claim 2 is characterized in that: each the LED lamp in the described LED lamp string is single led or is packaged in together a plurality of LED.
4. as arbitrary described improved decorative chain in the claim 1, it is characterized in that: used power supply is common power or sun-generated electric power.
5. improved decorative lamp is characterized in that: adopt a plurality of 2 street lamp connection in series-parallel in the claim 1, be connected to corresponding pin by copper cash, its pin links to each other with driver with power supply by ganged switch respectively.
6. improved decorative lamp as claimed in claim 5 is characterized in that: each road of described lamp string connects pin separately respectively carries out each road and controls separately, and perhaps wherein several roads of lamp string are connected to same pin jointly and control jointly.
7. as claim 5 or 6 described improved decorative lamps, it is characterized in that: described lamp string is a LED lamp string.
8. improved decorative lamp as claimed in claim 7 is characterized in that: each the LED lamp in the described LED lamp string is single led or is packaged in together a plurality of LED.
9. as claim 5 or 6 described improved decorative lamps, it is characterized in that: used power supply is common power or sun-generated electric power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202133089U CN201568796U (en) | 2009-12-18 | 2009-12-18 | Improved LED light string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202133089U CN201568796U (en) | 2009-12-18 | 2009-12-18 | Improved LED light string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201568796U true CN201568796U (en) | 2010-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202133089U Expired - Fee Related CN201568796U (en) | 2009-12-18 | 2009-12-18 | Improved LED light string |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470997A (en) * | 2013-05-13 | 2013-12-25 | 杭州璞莱科技有限公司 | Output circuit of wire-saving LED (light-emitting diode) lamp string cluster |
-
2009
- 2009-12-18 CN CN2009202133089U patent/CN201568796U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470997A (en) * | 2013-05-13 | 2013-12-25 | 杭州璞莱科技有限公司 | Output circuit of wire-saving LED (light-emitting diode) lamp string cluster |
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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 |
Granted publication date: 20100901 Termination date: 20151218 |
|
| EXPY | Termination of patent right or utility model |