CN103747584B - Illumination control circuit and illuminator - Google Patents
Illumination control circuit and illuminator Download PDFInfo
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- CN103747584B CN103747584B CN201410008495.2A CN201410008495A CN103747584B CN 103747584 B CN103747584 B CN 103747584B CN 201410008495 A CN201410008495 A CN 201410008495A CN 103747584 B CN103747584 B CN 103747584B
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Abstract
The present invention provides a kind of illumination control circuit and illuminator, and this illumination control circuit includes White LED; Multiple monochromatic LEDs; For controlling the main control circuit of White LED work; For when White LED works, closing White LED, control the work of multiple monochromatic LED; When White LED inoperative, control the adjusting control circuit of multiple monochromatic LED work; And the power circuit for powering to adjusting control circuit. The present invention is also provided for a kind of illuminator, the illumination control circuit of the present invention and illuminator and is realized the separately control of White LED, multi-colored led and gear by main control circuit and adjusting control circuit, improves the operating efficiency of user.
Description
Technical field
The present invention relates to field of circuit control, particularly relate to a kind of illumination control circuit and illuminator.
Background technology
The light source of illuminator (such as LED flashlight etc.) on the market is mainly single lamp bead or many lamp bead combinations at present, and mostly based on monochromatic light. In order to use the needs of user.
Have developed now and use the illuminator that is illuminated of polychromatic light, these polychromatic light illuminators have plenty of individually to adopt and multi-colored led carry out polychromatic light illumination, have plenty of employing White LED and multi-colored led combination carries out polychromatic light illumination.
Wherein individually adopting the multi-colored led illuminator output being illuminated less, illuminating effect is poor; And the illuminator that White LED and multi-colored led combination are illuminated, it is impossible to directly use multi-colored led being illuminated, it is necessary to first opening White LED could be adjusted multi-colored led switch and gear.
Therefore, it is necessary to provide a kind of illumination control circuit and illuminator, to solve the problem existing for prior art.
Summary of the invention
The purpose of embodiments of the invention is in that to provide a kind of illumination control circuit and illuminator, to solve existing illumination control circuit and illuminator can not realize White LED, separately the controlling of multi-colored led and gear, cause the technical problem of the inefficient operation of user.
For solving the problems referred to above, technical scheme provided by the invention is as follows:
A kind of illumination control circuit is provided, comprising:
White LED;
Multiple monochromatic LEDs;
Main control circuit, is used for controlling White LED work;
Adjusting control circuit, for when described White LED works, closing described White LED, controls the work of multiple monochromatic LED; When described White LED inoperative, control the work of the plurality of monochromatic LED; And
Power circuit, for powering to described adjusting control circuit.
In illumination control circuit of the present invention, described main control circuit includes:
Mechanical switch, for receiving the switch order of described White LED, to control the work of described White LED; And
Master control chip, for the feedback command according to switch order and described adjusting control circuit, controls the work of described White LED.
In illumination control circuit of the present invention, described main control circuit includes mechanical switch S5, power supply BT2, Master control chip IC1, switching tube Q1, diode D4 and inductance L2;
Wherein the model of Master control chip IC1 is the chip of S-8533, the negative pole of described power supply BT2 is connected with the input of described switching tube Q1 and the Vin pin of described Master control chip respectively by mechanical switch S5 ground connection, positive pole, the PDR pin of described Master control chip is connected with the control end of described switching tube Q1, and the Vout pin of described Master control chip receives the feedback command of described adjusting control circuit; The outfan of described switching tube Q1 is connected with one end of the negative pole of described diode D4 and described inductance L2 respectively, the plus earth of described diode D4, and the other end of described inductance L2 connects and is connected with described White LED.
In illumination control circuit of the present invention, described adjusting control circuit includes:
Electrical switch, for receiving gear regulating command and the switch order of the plurality of monochromatic LED, to control the operation range of described White LED and to control the work of the plurality of monochromatic LED;
Brightness adjustment control chip, for according to described gear regulating command, controlling described White LED and the gear of the plurality of monochromatic LED and the switch order according to the plurality of monochromatic LED, controls the work of the plurality of monochromatic LED; And
Feedback chip, for the sampled voltage of the control instruction according to brightness adjustment control chip and described main control circuit, generates described feedback command.
In illumination control circuit of the present invention, described adjusting control circuit includes electrical switch S11, diode D6, diode D7, brightness adjustment control chip IC 4 and feedback chip IC 2, the negative pole of described electrical switch S11 and described diode D7 is connected, the positive pole of described diode D7 is connected with the RA3 pin of described brightness adjustment control chip IC 4, the negative pole of described electrical switch S11 and described diode D6 is connected, the positive pole of described diode D6 is connected with the public negative pole of integrated circuit, the RC2 pin of described brightness adjustment control chip IC 4 is connected with the first input end of described feedback chip IC 2, second input of described feedback chip IC 2 is connected with the sampled voltage of described main control circuit, the outfan of described feedback chip IC 2 is connected with described main control circuit.
In illumination control circuit of the present invention, described adjusting control circuit also includes:
Multiple monochromatic LED control circuits, are used for controlling the work of the plurality of monochromatic LED, and wherein each described LED control circuit controls a monochromatic LED job.
In illumination control circuit of the present invention, described LED control circuit includes switching tube Q3, the end that controls of described switching tube Q3 is connected with the RA0 pin of described brightness adjustment control chip IC 4, the input of described switching tube Q3 is connected with described power circuit by monochromatic LED D2, the output head grounding of described switching tube Q3
In illumination control circuit of the present invention, described LED control circuit includes switching tube Q10, the end that controls of described switching tube Q10 is connected with the RA1 pin of described brightness adjustment control chip IC 4, the input of described switching tube Q10 is connected with described power circuit, and the outfan of described switching tube Q10 passes through monochromatic LED D4 ground connection.
In illumination control circuit of the present invention, described power circuit provides multiple different driving voltage.
The present invention also provides for a kind of illuminator using above-mentioned illumination control circuit.
Realize White LED, separately the controlling of multi-colored led and gear compared to prior art, the illumination control circuit of the present invention and illuminator by main control circuit and adjusting control circuit, improve the operating efficiency of user; Solve existing illumination control circuit and illuminator can not realize White LED, separately the controlling of multi-colored led and gear, cause the technical problem of the inefficient operation of user.
Accompanying drawing explanation
Fig. 1 is the structural representation of the preferred embodiment of the illumination control circuit of the present invention;
Fig. 2 is the physical circuit figure of the main control circuit of the preferred embodiment of the illumination control circuit of the present invention;
Fig. 3 is one of physical circuit figure of the adjusting control circuit of the preferred embodiment of the illumination control circuit of the present invention;
Fig. 4 is the two of the physical circuit figure of the adjusting control circuit of the preferred embodiment of the illumination control circuit of the present invention;
Fig. 5 is one of physical circuit figure of monochromatic LED control circuit of the adjusting control circuit of the preferred embodiment of the illumination control circuit of the present invention;
Fig. 6 is the two of the physical circuit figure of the monochromatic LED control circuit of the adjusting control circuit of the preferred embodiment of the illumination control circuit of the present invention;
Fig. 7 is the physical circuit figure of the power circuit of the preferred embodiment of the illumination control circuit of the present invention.
Detailed description of the invention
The explanation of following embodiment is specific embodiment that is graphic with reference to what add, that implement in order to illustrate the present invention may be used to.
The embodiment of the present invention provides a kind of illumination control circuit, refers to the structural representation of the preferred embodiment of the illumination control circuit that Fig. 1, Fig. 1 are the present invention. The illumination control circuit 10 of this preferred embodiment includes White LED 11, multiple monochromatic LED 12, main control circuit 13, adjusting control circuit 14 and power circuit 15. Main control circuit 13 is used for controlling White LED 11 and works, for instance open and close White LED 11 etc. Adjusting control circuit 14 is for when White LED 11 works, closing White LED 11, control multiple monochromatic LED 12 and work, and when White LED 11 inoperative, directly controls multiple monochromatic LEDs 12 and works; Namely adjusting control circuit 14 can not be subject to main control circuit 13 affect control multiple monochromatic LEDs 12 work. Power circuit 15 is for powering to adjusting control circuit 14.
Wherein main control circuit 13 includes mechanical switch S5 and Master control chip IC1, mechanical switch S5 for receiving the switch order of White LED 11, works controlling White LED 11; Master control chip IC1, for the feedback command according to switch order and adjusting control circuit 14, controls White LED 11 and works.
The concrete structure of main control circuit 13 is as in figure 2 it is shown, the physical circuit figure of main control circuit of preferred embodiment of illumination control circuit that Fig. 2 is the present invention. This main control circuit 13 includes mechanical switch S5, power supply BT2, Master control chip IC1, switching tube Q1, diode D4 and inductance L2. Wherein the model of Master control chip IC1 is the chip of S-8533, the negative pole of power supply BT2 is connected with the Vin pin of the input of switching tube Q1 and Master control chip IC1 respectively by mechanical switch S5 ground connection, positive pole, the PDR pin of Master control chip IC1 is connected with the control end of switching tube Q1, and the Vout pin of Master control chip IC1 receives the feedback command of adjusting control circuit 14;The outfan of switching tube Q1 is connected with one end of the negative pole of diode D4 and inductance L2 respectively, the plus earth of diode D4, and the other end of inductance L2 connects and is connected with White LED.
Wherein adjusting control circuit 14 includes electrical switch S11, brightness adjustment control chip IC 4, feedback chip IC 2 and multiple monochromatic LED control circuit. Electrical switch S11 is for receiving gear regulating command and the switch order of multiple monochromatic LED 12, to control the operation range of White LED 11 and to control multiple monochromatic LED 12 and work; Brightness adjustment control chip IC 4 is for according to gear regulating command, controlling the gear of White LED 11 and multiple monochromatic LED 12 and the switch order according to multiple monochromatic LEDs 12, control multiple monochromatic LED 12 and work; Feedback chip IC 2, for the sampled voltage of the control instruction according to brightness adjustment control chip IC 4 and main control circuit 13, generates feedback command; Multiple monochromatic LED control circuits are used for controlling multiple monochromatic LED 12 and work, and wherein one monochromatic LED 12 of each LED control circuit control works.
As shown in Figure 3 and Figure 4, Fig. 3 is one of physical circuit figure of the adjusting control circuit of the preferred embodiment of the illumination control circuit of the present invention to the concrete structure of adjusting control circuit 14, Fig. 4 is the two of the physical circuit figure of the adjusting control circuit of the preferred embodiment of the illumination control circuit of the present invention. this adjusting control circuit 14 includes electrical switch S11, diode D6, diode D7, brightness adjustment control chip IC 4 and feedback chip IC 2, one end of electrical switch S11 is connected with the negative pole of diode D7, the positive pole of diode D7 is connected with the RA3 pin of brightness adjustment control chip IC 4, the negative pole of electrical switch S11 and diode D6 is connected, the positive pole of diode D6 is connected with the public negative pole of integrated circuit, the RC2 pin of brightness adjustment control chip IC 4 is connected with the first input end of feedback chip IC 2, second input of feedback chip IC 2 is connected with the sampled voltage of main control circuit 13, the outfan of feedback chip IC 2 is connected with main control circuit 13.
As shown in Figure 5 and Figure 6, Fig. 5 is one of physical circuit figure of monochromatic LED control circuit of the adjusting control circuit of the preferred embodiment of the illumination control circuit of the present invention to the concrete structure of monochromatic LED control circuit; Fig. 6 is the two of the physical circuit figure of the monochromatic LED control circuit of the adjusting control circuit of the preferred embodiment of the illumination control circuit of the present invention. Wherein the LED control circuit in Fig. 5 include switching tube Q3, switching tube Q3 control end be connected with the RA0 pin of brightness adjustment control chip IC 4, the input of switching tube Q3 pass through monochromatic LED D2 be connected with power circuit, the output head grounding of switching tube Q3. LED control circuit in Fig. 6 includes the end that controls of switching tube Q10, switching tube Q10 and is connected with the RA1 pin of brightness adjustment control chip IC 4, and the input of switching tube Q10 is connected with power circuit 15, and the outfan of switching tube Q10 passes through monochromatic LED D4 ground connection.
Fig. 7 is the physical circuit figure of the power circuit of the preferred embodiment of the illumination control circuit of the present invention. This power circuit 15 can provide multiple driving voltage by pressure regulation chip IC 3 (chip model is S-812C33A), can provide the driving voltage of 3V and the driving voltage of 3.3V in the preferred embodiment.
The specific works principle of the illumination control circuit of this preferred embodiment is described in detail below according to Fig. 2-Fig. 7.
When user presses mechanical switch S5, power supply BT2 is energized to Master control chip IC1, Master control chip IC1 and peripheral circuit thereof realize DC decompression function, and power circuit stably exports 3.3V voltage by pressure regulation chip IC 3, stably export 3V reference voltage by diode D5 simultaneously.At this moment the RC2 pin output duty cycle of the brightness adjustment control chip IC 4 of adjusting control circuit 14 is the square wave of 100%, through the D/A converting circuit of resistance R3, resistance R4, resistance R5, electric capacity C7 and electric capacity C6 composition, the first input end (i.e. negative input end) to feedback chip IC 2 inputs benchmark voltage; Electric current is through excessive power White LED D1 simultaneously, sampled voltage is formed by resistance R7 and resistance R8, it is input to second input (i.e. positive input terminal) of feedback chip IC 2, when sampled voltage is equal with benchmark voltage, the outfan of feedback chip IC 2 stably exports, namely the Vout pin of Master control chip IC1 receives stable feedback command, main control circuit 13 steady operation, and the White LED D1 of illuminator normally lights.
Do not press mechanical switch S5 namely to unclamp on earth such as user, then the White LED D1 of illuminator realizes tactics and lights. As user presses mechanical switch S5 on earth, then the White LED D1 of illuminator is in normal illumination state.
When the White LED D1 of illuminator 10 is in normal illumination state, adjusting control circuit 14 can be passed through and carry out the control of White LED D1 operation range. when user press electrical switch S11 once (i.e. S11 Guan Bi/disconnect once) and hold time less than in the first setting time (such as 0.5 second etc.), during electrical switch S11 Guan Bi, the RA3 pin of brightness adjustment control chip IC 4 is pulled to low level, and hold time within the setting time, at this moment the RC2 pin output duty cycle of brightness adjustment control chip IC 4 is the square wave of 40%, through resistance R3, resistance R4, resistance R5, the D/A converting circuit of electric capacity C7 and electric capacity C6 composition, first input end (i.e. negative input end) to feedback chip IC 2 inputs benchmark voltage, electric current is through excessive power White LED D1 simultaneously, sampled voltage is formed by resistance R7 and resistance R8, it is input to second input (i.e. positive input terminal) of feedback chip IC 2, when sampled voltage is equal with benchmark voltage, the outfan of feedback chip IC 2 stably exports, namely the Vout pin of Master control chip IC1 receives stable feedback command, main control circuit 13 steady operation, benchmark voltage during due to benchmark voltage less than White LED D1 normal illumination, therefore the operating current of White LED D1 diminishes, achieve the gearshift of White LED D1, the operation range of White LED D1 is turned down. once and hold time less than in the first setting time as again pressed electrical switch S11, then the RC2 pin meeting output duty cycle of brightness adjustment control chip IC 4 is other different square waves, it is achieved other gears of White LED D1 regulate.
When the White LED D1 of illuminator 10 is in normal illumination state, carry out the control of multiple monochromatic LED also by adjusting control circuit 14. once and hold time more than the second setting time (such as 1 second etc.) when user presses electrical switch S11, during electrical switch S11 Guan Bi, the RA3 pin of brightness adjustment control chip IC 4 is pulled to low level, and hold time more than the second setting time, at this moment the RC2 pin output zero level of brightness adjustment control chip IC 4, to the first input end input zero balancing reference voltage of feedback chip IC 2, electric current is through excessive power White LED D1 simultaneously, sampled voltage is formed by resistance R7 and resistance R8, it is input to second input (i.e. positive input terminal) of feedback chip IC 2, when sampled voltage is equal with zero balancing reference voltage, namely when sampled voltage is zero, the Vout pin of Master control chip IC1 receives stable feedback command, main control circuit 13 quits work, White LED extinguishes.The RA0 pin output high level of brightness adjustment control chip IC 4, lights monochromatic LED D2 by the switching tube Q3 of the monochromatic LED control circuit in Fig. 5, it is achieved normally lighting of the monochromatic LED of illuminator 10 simultaneously.
When the monochromatic LED of illuminator 10 is normally lighted (in mechanical switch S5 Guan Bi), carry out the control (i.e. switching between multiple monochromatic LEDs) of multiple monochromatic LED gear also by adjusting control circuit 14. when user presses electrical switch S11 once (i.e. S11 Guan Bi/disconnect once) and holds time less than the 3rd setting time (such as 0.5 second etc.), during electrical switch S11 Guan Bi, the RA3 pin of brightness adjustment control chip IC 4 is pulled to low level, and hold time within the setting time, brightness adjustment control chip IC 4 switches to RA1 pin output high level, pin RA0 output low level, the RC2 pin of brightness adjustment control chip IC 4 still exports zero level, to the first input end input zero balancing reference voltage of feedback chip IC 2, such main control circuit 13 still quits work, White LED extinguishes. the RA1 pin output high level of brightness adjustment control chip IC 4, lights monochromatic LED D4 by the switching tube Q10 of the monochromatic LED control circuit in Fig. 6, it is achieved the gear switch (namely monochromatic LED D2 switches to monochromatic LED D4) of the monochromatic LED of illuminator.
Switch to monochromatic LED when so namely achieving White LED D1 normal illumination, and realize the switching of different monochromatic LEDs.
When the monochromatic LED of illuminator 10 is normally lighted (in mechanical switch S5 Guan Bi), switch to White LED D1 also by adjusting control circuit 1. once and hold time more than the second setting time (such as 1 second etc.) when user presses electrical switch S11, during electrical switch S11 Guan Bi, the RA3 pin of brightness adjustment control chip IC 4 is pulled to low level, and hold time more than the second setting time, at this moment the RC2 pin output duty cycle again of brightness adjustment control chip IC 4 is the square wave of 100%, to the first input end input benchmark voltage of feedback chip IC 2, electric current is through excessive power White LED D1 simultaneously, sampled voltage is formed by resistance R7 and resistance R8, it is input to second input (i.e. positive input terminal) of feedback chip IC 2, when sampled voltage is equal with benchmark voltage, the outfan of feedback chip IC 2 stably exports, the Vout pin of Master control chip IC1 receives stable feedback command, main control circuit 13 steady operation, the White LED D1 of illuminator normally lights. the simultaneously RA0 pin of brightness adjustment control chip IC 4 and RA1 output low level, it is achieved the extinguishing of the monochromatic LED D2 and monochromatic LED D4 of illuminator 10.
So namely achieve monochromatic LED to switch to White LED D1 and be illuminated.
When the White LED D1 of illuminator is in off working state (in mechanical switch S5 disconnection), still can be carried out the switching between control and multiple monochromatic LED of multiple monochromatic LED by adjusting control circuit 14. When user presses electrical switch S11 and maintains, the public negative pole of integrated circuit is connected by the negative pole of diode D6, electrical switch S11 and BT2, circuit is started working, the RA3 pin of brightness adjustment control chip IC 4 is pulled to low level and maintains, brightness adjustment control chip IC 4 switches to RA0 pin output high level, pin RA1 output low level, the RC2 pin of brightness adjustment control chip IC 4 still exports zero level, to the first input end input zero balancing reference voltage of feedback chip IC 2, such main control circuit 13 still quits work, and White LED extinguishes.Light monochromatic LED D2 by the switching tube Q3 of the monochromatic LED control circuit in Fig. 5 simultaneously. Now owing to S11 maintains conducting state, the monochromatic LED of illuminator realizes continuing to light.
Adjusting control circuit 14 can be passed through multiple monochromatic LED gears are controlled (i.e. switching between multiple monochromatic LEDs). when user cut-off/close electrical switch S11 once, and maintain pressing, and set the time (such as 0.5 second etc.) less than the 4th with the interval of last cut-off/close electrical switch S11, owing to electric capacity C13 and electric capacity C16 has electric power storage effect, IC4 normal operation still can be maintained within the short time of power-off, when the RA3 pin of brightness adjustment control chip IC 4 is pulled to low level again, brightness adjustment control chip IC 4 switches to RA1 pin output high level, pin RA0 output low level, the RC2 pin of brightness adjustment control chip IC 4 still exports zero level, to the first input end input zero balancing reference voltage of feedback chip IC 2, such main control circuit 13 still quits work, White LED extinguishes. the RA1 pin output high level of brightness adjustment control chip IC 4, lights monochromatic LED D4 by the switching tube Q10 of the monochromatic LED control circuit in Fig. 6, it is achieved the gear switch (namely monochromatic LED D2 switches to monochromatic LED D4) of the monochromatic LED of illuminator.
When user is again off/closes electrical switch S11 once, and maintain pressing, and set the time (such as 0.5 second etc.) less than the 4th with the interval of last cut-off/close electrical switch S11, owing to electric capacity C13 and electric capacity C16 has electric power storage effect, IC4 normal operation still can be maintained within the short time of power-off, the RA3 pin of brightness adjustment control chip IC 4 is pulled to again low level and maintains, brightness adjustment control chip IC 4 switches to RA0 pin output high level, pin RA1 output low level, the RC2 pin of brightness adjustment control chip IC 4 still exports zero level, to the first input end input zero balancing reference voltage of feedback chip IC 2, such main control circuit 13 still quits work, White LED extinguishes. light monochromatic LED D2 by the switching tube Q3 of the monochromatic LED control circuit in Fig. 5, it may be achieved monochromatic LED D4 switches to monochromatic LED D2 simultaneously, form color cycle.
No longer pressing when user discharges electrical switch S11, all light sources of torch extinguish.
When so namely achieving White LED D1 non-illumination, lighting and the switching of different monochromatic LED of monochromatic LED.
The illumination control circuit of the present invention and illuminator realize White LED, separately the controlling of multi-colored led and gear by main control circuit and adjusting control circuit, improve the operating efficiency of user; Solve existing illumination control circuit and illuminator can not realize White LED, separately the controlling of multi-colored led and gear, cause the technical problem of the inefficient operation of user.
In sum; although the present invention is disclosed above with preferred embodiment; but above preferred embodiment is also not used to the restriction present invention; those of ordinary skill in the art; without departing from the spirit and scope of the present invention; all can doing various change and retouching, the scope that therefore protection scope of the present invention defines with claim is as the criterion.
Claims (9)
1. an illumination control circuit, it is characterised in that including:
White LED;
Multiple monochromatic LEDs;
Main control circuit, is used for controlling White LED work;
Adjusting control circuit, for when described White LED works, closing described White LED, controls the work of multiple monochromatic LED;When described White LED inoperative, control the work of the plurality of monochromatic LED; And
Power circuit, for powering to described adjusting control circuit;
Wherein, described adjusting control circuit includes:
Electrical switch, for receiving gear regulating command and the switch order of the plurality of monochromatic LED, to control the operation range of described White LED and to control the work of the plurality of monochromatic LED;
Brightness adjustment control chip, for according to described gear regulating command, controlling described White LED and the gear of the plurality of monochromatic LED and the switch order according to the plurality of monochromatic LED, controls the work of the plurality of monochromatic LED; And
Feedback chip, for the sampled voltage of the control instruction according to brightness adjustment control chip and described main control circuit, generates feedback command.
2. illumination control circuit according to claim 1, it is characterised in that described main control circuit includes:
Mechanical switch, for receiving the switch order of described White LED, to control the work of described White LED; And
Master control chip, for the feedback command according to switch order and described adjusting control circuit, controls the work of described White LED.
3. illumination control circuit according to claim 2, it is characterised in that described main control circuit includes mechanical switch S5, power supply BT2, Master control chip IC1, switching tube Q1, diode D4 and inductance L2;
The chip that model is S-8533 of wherein said Master control chip IC1, the negative pole of described power supply BT2 is connected with the input of described switching tube Q1 and the Vin pin of described Master control chip respectively by mechanical switch S5 ground connection, positive pole, the PDR pin of described Master control chip is connected with the control end of described switching tube Q1, and the Vout pin of described Master control chip receives the feedback command of described adjusting control circuit; The outfan of described switching tube Q1 is connected with one end of the negative pole of described diode D4 and described inductance L2 respectively, the plus earth of described diode D4, and the other end of described inductance L2 connects and is connected with described White LED.
4. illumination control circuit according to claim 1, it is characterized in that, described adjusting control circuit includes electrical switch S11, diode D6, diode D7, brightness adjustment control chip IC 4 and feedback chip IC 2, the negative pole of described electrical switch S11 and described diode D7 is connected, the positive pole of described diode D7 is connected with the RA3 pin of described brightness adjustment control chip IC 4, the negative pole of described electrical switch S11 and described diode D6 is connected, the positive pole of described diode D6 is connected with the public negative pole of integrated circuit, the RC2 pin of described brightness adjustment control chip IC 4 is connected with the first input end of described feedback chip IC 2, second input of described feedback chip IC 2 is connected with the sampled voltage of described main control circuit, the outfan of described feedback chip IC 2 is connected with described main control circuit.
5. illumination control circuit according to claim 1, it is characterised in that described adjusting control circuit also includes:
Multiple monochromatic LED control circuits, are used for controlling the work of the plurality of monochromatic LED, and wherein each described LED control circuit controls a monochromatic LED job.
6. illumination control circuit according to claim 5, it is characterized in that, described LED control circuit includes switching tube Q3, the end that controls of described switching tube Q3 is connected with the RA0 pin of described brightness adjustment control chip IC 4, the input of described switching tube Q3 is connected with described power circuit by monochromatic LED D2, the output head grounding of described switching tube Q3.
7. illumination control circuit according to claim 5, it is characterized in that, described LED control circuit includes switching tube Q10, the end that controls of described switching tube Q10 is connected with the RA1 pin of described brightness adjustment control chip IC 4, the input of described switching tube Q10 is connected with described power circuit, and the outfan of described switching tube Q10 passes through monochromatic LED D4 ground connection.
8. illumination control circuit according to claim 1, it is characterised in that described power circuit provides multiple different driving voltage.
9. the illuminator of the illumination control circuit used described in any one of claim 1-8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410008495.2A CN103747584B (en) | 2014-01-08 | 2014-01-08 | Illumination control circuit and illuminator |
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| CN201410008495.2A CN103747584B (en) | 2014-01-08 | 2014-01-08 | Illumination control circuit and illuminator |
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| CN103747584A CN103747584A (en) | 2014-04-23 |
| CN103747584B true CN103747584B (en) | 2016-06-08 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102186289A (en) * | 2011-04-18 | 2011-09-14 | 广东科立盈光电技术有限公司 | LED (Light Emitting Diode) driving power supply |
| CN103249206A (en) * | 2012-02-09 | 2013-08-14 | 上海技磐光电科技有限公司 | LED lamp |
| CN103369788A (en) * | 2013-04-07 | 2013-10-23 | 厦门阳光恩耐照明有限公司 | Sectionalized dimming device of LED (light-emitting diode) lamp |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009041100A1 (en) * | 2007-09-26 | 2009-04-02 | Sharp Kabushiki Kaisha | Backlight unit and display apparatus |
| CN201830500U (en) * | 2010-08-04 | 2011-05-11 | 吕银岗 | Intelligent remote control system of solar LED (light-emitting diode) lamp |
| CN201753867U (en) * | 2010-08-11 | 2011-03-02 | 胡枝清 | Novel LED rotary energy-saving color desk lamp |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102186289A (en) * | 2011-04-18 | 2011-09-14 | 广东科立盈光电技术有限公司 | LED (Light Emitting Diode) driving power supply |
| CN103249206A (en) * | 2012-02-09 | 2013-08-14 | 上海技磐光电科技有限公司 | LED lamp |
| CN103369788A (en) * | 2013-04-07 | 2013-10-23 | 厦门阳光恩耐照明有限公司 | Sectionalized dimming device of LED (light-emitting diode) lamp |
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Address after: 518000 2 / F and 3 / F, west side of building a, Xinghong science and Technology Park, 111 Reservoir Road, fenghuanggang community, Xixiang street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen langheng Lighting Technology Co.,Ltd. Address before: 8 / F, building 2, dongfangming industrial city, 83 Dabao Road, Xin'an 33 District, Bao'an District, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN LANGHENG ELECTRICAL Co.,Ltd. |
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Inventor after: Chen Haibin Inventor after: Cen Liang Inventor before: Cen Liang Inventor before: Chen Haibin |