CN206294392U - LED double-tone light circuit - Google Patents
LED double-tone light circuit Download PDFInfo
- Publication number
- CN206294392U CN206294392U CN201621476266.4U CN201621476266U CN206294392U CN 206294392 U CN206294392 U CN 206294392U CN 201621476266 U CN201621476266 U CN 201621476266U CN 206294392 U CN206294392 U CN 206294392U
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- flip flop
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- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 239000013256 coordination polymer Substances 0.000 claims abstract description 4
- 241001465382 Physalis alkekengi Species 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Abstract
An LED double-tone light circuit relates to the technical field of lamps and solves the technical problems of reducing cost and improving reliability. The circuit comprises a constant current power supply module, an LED driving module and a switch signal monitoring module; the switch signal monitoring module comprises a D trigger, a switch tube and an output piece; the CP end of the D trigger is connected to the positive phase power supply output end of the constant current power supply module through a resistor, the SD end and the RD end of the D trigger are respectively connected with a high level, the D end of the D trigger is connected with the Q non-end of the D trigger, the Q end of the D trigger is connected to the grid electrode of the switch tube, the source electrode of the switch tube is grounded, and the drain electrode of the switch tube is connected to the dimming signal input end of the LED driving module. The utility model provides a circuit is applicable to the LED lamps and lanterns.
Description
Technical field
The utility model is related to lamp technology, the technology of more particularly to a kind of double-colored light adjusting circuits of LED.
Background technology
As the progress and people's quality of the life of science and technology are stepped up, the popularity rate more and more higher of LED lamp, especially
The LED lamp that colour temperature can be adjusted is even more the welcome for receiving more and more people.Dimmable LED light fixture have energy-saving and environmental protection,
The lot of advantages such as long-life, adjustable color, brightness are adjustable.
Existing tunable optical light fixture is required for the special light modulator of configuration to be dimmed, and so both increased product cost
The reliability of product is reduced again.
Utility model content
For defect present in above-mentioned prior art, technical problem to be solved in the utility model be to provide it is a kind of into
This is low, and the double-colored light adjusting circuits of reliability LED high.
In order to solve the above-mentioned technical problem, a kind of double-colored light adjusting circuits of LED provided by the utility model, including Constant Electric Current
Source module, LED drive module, it is characterised in that：Also include switching signal monitoring module；
The switching signal monitoring module includes d type flip flop, switching tube, output；
The resistance of CP ends one of the d type flip flop is connected to the positive supply output end of constant-current supply module, the SD of d type flip flop
End, RD ends connect high level respectively, and the D of d type flip flop terminates the non-ends of Q of d type flip flop, and the Q ends of d type flip flop are connected to the grid of switching tube
Pole, the source ground of switching tube；
The output has three output end pin, and first output end pin of output connects the positive of constant-current supply module
Power output end, second output end pin ground connection of output, the 3rd output end pin of output connects the drain electrode of switching tube；
The positive supply input of the LED drive module terminates to first output end pin of output, LED drive module
Ground wire be connected to second output end pin of output, the dim signal input of LED drive module terminates to the 3rd of output
Individual output end pin.
The double-colored light adjusting circuits of LED that the utility model is provided, brightness adjustment control is realized using d type flip flop and switching tube, is had
The characteristics of having with low cost, and simple structure, reliability are also higher.
Brief description of the drawings
Fig. 1 is the circuit diagram of the switching signal monitoring module in the double-colored light adjusting circuits of LED of the utility model embodiment.
Specific embodiment
Below in conjunction with brief description of the drawings embodiment of the present utility model is described in further detail, but the present embodiment and without
It is every to use similar structure of the present utility model and its similar change in limitation the utility model, the utility model all should be listed in
Protection domain, the pause mark in the utility model represents the relation of sum.
As shown in figure 1, the double-colored light adjusting circuits of a kind of LED that the utility model embodiment is provided, including constant-current supply mould
Block, LED drive module, it is characterised in that：Also include switching signal monitoring module；
The switching signal monitoring module includes d type flip flop U1, switching tube Q1, output P6；
Positive supply the output end lED+, D that the resistance D5 of CP ends one of the d type flip flop U1 is connected to constant-current supply module are tactile
The SD ends of hair device U1, RD ends connect high level, the non-ends of Q of the D termination d type flip flops U1 of d type flip flop U1, the Q ends of d type flip flop U1 respectively
It is connected to the grid of switching tube Q1, the source ground of switching tube Q1；
The output P6 has three output end pin, and first output end pin of output P6 connects constant-current supply module
Second output end pin ground connection of positive supply output end lED+, output P6, the 3rd output end pin of output P6 connects out
Close the drain electrode of pipe Q1；
The positive supply input of the LED drive module terminates to first output end pin of output P6, and LED drives mould
The ground wire of block is connected to second output end pin of output P6, and the dim signal input of LED drive module terminates to output P6
The 3rd output end pin.
In the utility model embodiment, the constant-current supply module, LED drive module are prior art.
The operation principle of the utility model embodiment is as follows：
The constant-current supply module operating current constant for LED drive module is provided, while also giving switching signal monitoring module
Operating voltage is provided, switching signal monitoring module realizes the accurate detection to power switch signal by d type flip flop, while right
The switching signal for detecting is carried out signal transacting and is further realized to the brightness adjustment control of LED drive module by switching tube.
Claims (1)
1. a kind of double-colored light adjusting circuits of LED, including constant-current supply module, LED drive module, it is characterised in that：Also include switch
Signal monitoring module；
The switching signal monitoring module includes d type flip flop, switching tube, output；
The resistance of CP ends one of the d type flip flop is connected to the positive supply output end of constant-current supply module, the SD ends of d type flip flop,
RD ends connect high level respectively, and the D of d type flip flop terminates the non-ends of Q of d type flip flop, and the Q ends of d type flip flop are connected to the grid of switching tube, open
Close the source ground of pipe；
The output has three output end pin, and first output end pin of output connects the positive supply of constant-current supply module
Output end, second output end pin ground connection of output, the 3rd output end pin of output connects the drain electrode of switching tube；
The positive supply input of the LED drive module terminates to first output end pin of output, the ground of LED drive module
Line is connected to second output end pin of output, and the dim signal input of LED drive module terminate to output the 3rd is defeated
Go out to hold pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621476266.4U CN206294392U (en) | 2016-12-30 | 2016-12-30 | LED double-tone light circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621476266.4U CN206294392U (en) | 2016-12-30 | 2016-12-30 | LED double-tone light circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206294392U true CN206294392U (en) | 2017-06-30 |
Family
ID=59098417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621476266.4U Expired - Fee Related CN206294392U (en) | 2016-12-30 | 2016-12-30 | LED double-tone light circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206294392U (en) |
-
2016
- 2016-12-30 CN CN201621476266.4U patent/CN206294392U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170630 Termination date: 20201230 |