CN204887613U - LED circuit with colour temperature, chromatic light regulatory function - Google Patents
LED circuit with colour temperature, chromatic light regulatory function Download PDFInfo
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- CN204887613U CN204887613U CN201520638606.8U CN201520638606U CN204887613U CN 204887613 U CN204887613 U CN 204887613U CN 201520638606 U CN201520638606 U CN 201520638606U CN 204887613 U CN204887613 U CN 204887613U
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Abstract
The utility model discloses a LED circuit with colour temperature, chromatic light regulatory function, it includes: the first input end is coupled the steady voltage source, first current switching unit, its input is coupled the first input end, LED serial cold light banks, its input is coupled the output of first current switching unit, its output ground connection, the second input is coupled the steady voltage source, second current switching unit, its input is coupled the second input, LED serial warm light group, its input is coupled the output of second current switching unit, its output ground connection. The utility model discloses aim at in: adjust the electric current size of importing to LED serial cold light banks and LED serial warm light group respectively through adjusting first current switching unit and second current switching unit, control the colour temperature and the look light intensity of this embodiment LED circuit final output afterwards.
Description
Technical field
The utility model relates to a kind of LED, relates more specifically to a kind of LED circuit with colour temperature, coloured light regulatory function.
Background technology
Along with the development of society and the raising day by day of people's living standard, the demand of people to lighting is also more and more higher.LED illumination lamp gos deep into every family, but traditional LED illumination lamp only has single colour temperature and brightness, is not sufficient to meet the needs of people for application illumination; Then light modulation on the market, toning light fixture or electronic circuit, be all that complicated MCU controls and analog control circuit, not only circuit is complicated, and fraction defective also can increase, and cost is also high.
Utility model content
The purpose of this utility model overcomes or slow down the part at least above-mentioned shortcoming, hereby provides a kind of LED circuit with colour temperature, coloured light regulatory function, comprising:
First input end, couples source of stable pressure;
First current switching unit, its input couples first input end;
LED strip row cold light lamp group, its input couples the output of described first current switching unit, its output head grounding;
Second input, couples source of stable pressure;
Second current switching unit, its input couples the second input;
LED strip row warms up light modulation group, and its input couples the output of described second current switching unit, its output head grounding.
Preferably, described first current switching unit includes the first diverter switch and the first open-close on-off, described first diverter switch one end couples first input end, the other end is by coupling the input of described LED strip row cold light lamp group after the first open-close on-off, and described first diverter switch is parallel with the first convert resistance.
In addition, described LED strip row cold light lamp group comprises multiple LED strip row cold light lamps of connecting successively.
Preferably, described second current switching unit includes the second diverter switch and the second open-close on-off, described second diverter switch one end couples the second input, the other end warms up the input of light modulation group by coupling described LED strip row after the second open-close on-off, and described second diverter switch is parallel with the second convert resistance.
In addition, described LED strip row warms up light modulation group and comprises multiple LED strip row of connecting successively and warm up light modulation.
The utility model is intended to: by the size of current regulating the first current switching unit and the second current switching unit to regulate respectively to input to LED strip row cold light lamp group and LED strip row to warm up light modulation group, controls the intensity of colour temperature that the present embodiment LED circuit finally exports and coloured light afterwards.
Accompanying drawing explanation
Describe these and other aspect of the present utility model in further detail now with reference to appended accompanying drawing, it is depicted as currently preferred embodiment of the present utility model.Wherein:
Fig. 1 is the circuit theory diagrams of the present embodiment.
Embodiment
Below in conjunction with accompanying drawing and instantiation, illustrate the utility model further, these embodiments should be understood and be only not used in restriction scope of the present utility model for illustration of the utility model, after having read the utility model, the amendment of those skilled in the art to the various equivalent form of value of the present utility model has all fallen within the application's claims limited range.
Embodiment one:
Be illustrated in figure 1 the circuit theory diagrams of the present embodiment LED circuit, it comprises seven groups of LED strip portable lighter groups, and often organizing LED strip portable lighter component is that LED strip row cold light lamp group and LED strip row warm up light modulation group.
Further, the first input end of LED circuit, couples source of stable pressure CW+12V; First current switching unit, its input couples first input end; LED strip row cold light lamp group, its input couples the output of described first current switching unit, its output head grounding.Second input, couples source of stable pressure WW+12V; Second current switching unit, its input couples the second input; LED strip row warms up light modulation group, and its input couples the output of the second current switching unit, its output head grounding.
Particularly, first current switching unit includes the first diverter switch K3 and the first open-close on-off K1, first diverter switch K3 one end couples first input end, the other end is by coupling the input of LED strip row cold light lamp group after the first open-close on-off K1, and the first diverter switch K3 is parallel with the first convert resistance RCW10.In addition, LED strip row cold light lamp group comprises multiple LED strip row cold light lamps of connecting successively.
Moreover, second current switching unit includes the second diverter switch K4 and the second open-close on-off K2, second diverter switch K4 one end couples the second input, the other end is by coupling the input that LED strip row warms up light modulation group after the second open-close on-off K2, and the second diverter switch K4 is parallel with the second convert resistance RWW10.In addition, LED strip row warms up light modulation group and comprises multiple LED strip row of connecting successively and warm up light modulation.
According to the above results, the operation principle of the present embodiment is as follows:
1) K1, K3 open, and K2, K4 close: LED cold light lamp CW1 to CW21 lights, and its colour temperature is cold white 6500K, and brightness is 100% of setting brightness.
2) K1, K3, K2, K4 open: LED cold light lamp CW1 to CW21 and LED warms up light modulation WW1 to WW21 and all lights, then colour temperature be cold white 6500K with warm white 2700K mix the naturally white 4500K of colour temperature, brightness is set brightness 100%.
3) K2, K4 open, and K1, K3 close: LED warms up light modulation WW1 to WW21 and lights, and colour temperature is warm white 2700K, and brightness is 100% of setting brightness.
4) K1 opens, K2, K3, K4 close: LED cold light lamp CW1 to CW21 lights, electric current flows through regulating resistance RCW10, the LED of CW1 to CW21 is lighted, brightness is 50% (concrete brightness value can equal electric current according to the voltage of Ohm's law divided by resistance and regulate) of setting brightness, and colour temperature is cold white 6500K.
5) K1, K2 open, and K3, K4 pass LED cold light lamp CW1 to CW21 and LED warms up light modulation WW1 to WW21 and all lights, and electric current respectively flows through regulating resistance RCW10 and RWW10, and brightness is 50% of setting brightness.(concrete brightness value can equal electric current according to the voltage of Ohm's law divided by resistance and regulate), colour temperature is that cold white and warm white temperature closes colour temperature 4500K in vain naturally.
6) K2 opens, K1, K3, K4 close: LED warms up light modulation WW1 to WW21 and lights, electric current flows through regulating resistance RWW10, and brightness is 50% (concrete brightness value can equal electric current according to the voltage of Ohm's law divided by resistance and regulate) of setting brightness, and colour temperature is warm white 2700K.
Claims (5)
1. there is a LED circuit for colour temperature, coloured light regulatory function, it is characterized in that comprising:
First input end, couples source of stable pressure;
First current switching unit, its input couples first input end;
LED strip row cold light lamp group, its input couples the output of described first current switching unit, its output head grounding;
Second input, couples source of stable pressure;
Second current switching unit, its input couples the second input;
LED strip row warms up light modulation group, and its input couples the output of described second current switching unit, its output head grounding.
2. the LED circuit with colour temperature, coloured light regulatory function according to claim 1, is characterized in that,
Described first current switching unit includes the first diverter switch and the first open-close on-off, described first diverter switch one end couples first input end, the other end is by coupling the input of described LED strip row cold light lamp group after the first open-close on-off, and described first diverter switch is parallel with the first convert resistance.
3. the LED circuit with colour temperature, coloured light regulatory function according to claim 1, is characterized in that,
Described LED strip row cold light lamp group comprises multiple LED strip row cold light lamps of connecting successively.
4. the LED circuit with colour temperature, coloured light regulatory function according to claim 1, is characterized in that,
Described second current switching unit includes the second diverter switch and the second open-close on-off, described second diverter switch one end couples the second input, the other end warms up the input of light modulation group by coupling described LED strip row after the second open-close on-off, and described second diverter switch is parallel with the second convert resistance.
5. the LED circuit with colour temperature, coloured light regulatory function according to claim 1, is characterized in that,
Described LED strip row warms up light modulation group and comprises multiple LED strip row of connecting successively and warm up light modulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520638606.8U CN204887613U (en) | 2015-08-22 | 2015-08-22 | LED circuit with colour temperature, chromatic light regulatory function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520638606.8U CN204887613U (en) | 2015-08-22 | 2015-08-22 | LED circuit with colour temperature, chromatic light regulatory function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204887613U true CN204887613U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520638606.8U Expired - Fee Related CN204887613U (en) | 2015-08-22 | 2015-08-22 | LED circuit with colour temperature, chromatic light regulatory function |
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| CN (1) | CN204887613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108419332A (en) * | 2017-02-10 | 2018-08-17 | 三星电子株式会社 | LED light emitting device |
-
2015
- 2015-08-22 CN CN201520638606.8U patent/CN204887613U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108419332A (en) * | 2017-02-10 | 2018-08-17 | 三星电子株式会社 | LED light emitting device |
| CN108419332B (en) * | 2017-02-10 | 2022-03-08 | 三星电子株式会社 | LED light emitting device |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20151216 Termination date: 20190822 |
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| CF01 | Termination of patent right due to non-payment of annual fee |