CN204559980U - A kind of lower voltage LED lamp - Google Patents
A kind of lower voltage LED lamp Download PDFInfo
- Publication number
- CN204559980U CN204559980U CN201520298859.5U CN201520298859U CN204559980U CN 204559980 U CN204559980 U CN 204559980U CN 201520298859 U CN201520298859 U CN 201520298859U CN 204559980 U CN204559980 U CN 204559980U
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- input
- led lamp
- chip microcomputer
- output
- utility
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of lower voltage LED lamp, comprise input described in input and LED group, AC/DC rectification circuit, single-chip microcomputer and commutation circuit and comprise first input end and the second input, described first input end is connected with the current input terminal of described AC/DC rectification circuit respectively with described second input, the output of described AC/DC rectification circuit is connected with the input of described single-chip microcomputer, the output of described single-chip microcomputer is connected with the input of described commutation circuit, and the output of described commutation circuit is connected with the input of described LED group.The utility model adopts Single-chip Controlling two groups of electric power driving module alternations to export low-tension current, improves the life-span of bulb, to meet some special screnes such as garage to the requirement of the high life of LED lamp.
Description
Technical field
The utility model relates to a kind of LED, particularly relates to a kind of lower voltage LED lamp.
Background technology
Existing LED daylight is generally made up of LED lamp pearl module and a constant current constant voltage driving power module, described AC turns DC current rectification module and accepts 220V interchange input, turn after DC power rectifier module through AC and become direct current, under the effect of driving power module, described LED lamp pearl module accepts the input of constant current constant voltage direct current, and continuous illumination.Existing LED fluorescent lamp bulk life time is mainly by the impact in electric power driving module life-span, owing to employing jumbo electrochemical capacitor in power module, electrochemical capacitor affects the life-span by ambient temperature again, causes integral LED fluorescent lifetime low for this reason, easily damages.
Utility model content
It is simple that the purpose of this utility model is just to provide a kind of structure to solve the problem, safe and reliable lower voltage LED lamp.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises input and LED group, AC/DC rectification circuit, single-chip microcomputer and commutation circuit, described input comprises first input end and the second input, described first input end is connected with the current input terminal of described AC/DC rectification circuit respectively with described second input, the output of described AC/DC rectification circuit is connected with the input of described single-chip microcomputer, the output of described single-chip microcomputer is connected with the input of described commutation circuit, and the output of described commutation circuit is connected with the input of described LED group.
Further, described LED group is provided with protecting sheathing.
Particularly, described second input is provided with extended line.
The beneficial effects of the utility model are:
The utility model adopts Single-chip Controlling two groups of electric power driving module alternations to export low-tension current, improves the life-span of bulb, and to meet some special screnes such as garage to the requirement of the high life of LED light fixture, structure is simple, safe and reliable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is structured flowchart of the present utility model.
In figure: 1-LED lamp group, 2-protecting sheathing, 3-first input end, 4-second input.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As illustrated in fig. 1 and 2, the utility model comprises input and LED group 1, AC/DC rectification circuit, single-chip microcomputer and commutation circuit, input comprises first input end 3 and the second input 4, first input end 3 is connected with the current input terminal of AC/DC rectification circuit respectively with the second input 4, the output of AC/DC rectification circuit is connected with the input of single-chip microcomputer, the output of single-chip microcomputer is connected with the input of commutation circuit, and the output of commutation circuit is connected with the input of LED group.
LED group 1 is provided with protecting sheathing, prevents from causing damage to LED group, the second input is provided with extended line.Demand to external power supply when meeting by bike.
When 220V alternating voltage input AC/DC rectification circuit, output dc voltage, the power demands of supply single-chip microcomputer, single-chip microcomputer controls commutation circuit according to the output current of first input end 3 and the second input 4 and automatically switches to after suitable low-tension current input supply LED lamp group input drives, and LED lamp starts luminous work.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included in protection range of the present utility model.
Claims (3)
1. a lower voltage LED lamp, comprise input and LED group, it is characterized in that: also comprise AC/DC rectification circuit, single-chip microcomputer and commutation circuit, described input comprises first input end and the second input, described first input end is connected with the current input terminal of described AC/DC rectification circuit respectively with described second input, the output of described AC/DC rectification circuit is connected with the input of described single-chip microcomputer, the output of described single-chip microcomputer is connected with the input of described commutation circuit, and the output of described commutation circuit is connected with the input of described LED group.
2. according to a kind of lower voltage LED lamp described in claim 1, it is characterized in that: described LED group is provided with protecting sheathing.
3. according to a kind of lower voltage LED lamp described in claim 1, it is characterized in that: described second input is provided with extended line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520298859.5U CN204559980U (en) | 2015-05-11 | 2015-05-11 | A kind of lower voltage LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520298859.5U CN204559980U (en) | 2015-05-11 | 2015-05-11 | A kind of lower voltage LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204559980U true CN204559980U (en) | 2015-08-12 |
Family
ID=53835042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520298859.5U Expired - Fee Related CN204559980U (en) | 2015-05-11 | 2015-05-11 | A kind of lower voltage LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204559980U (en) |
-
2015
- 2015-05-11 CN CN201520298859.5U patent/CN204559980U/en not_active Expired - Fee Related
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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: 20150812 Termination date: 20180511 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |