CN102196640B - Control circuit of LED (light-emitting diode) lights and light strings - Google Patents
Control circuit of LED (light-emitting diode) lights and light strings Download PDFInfo
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- CN102196640B CN102196640B CN201110131743.9A CN201110131743A CN102196640B CN 102196640 B CN102196640 B CN 102196640B CN 201110131743 A CN201110131743 A CN 201110131743A CN 102196640 B CN102196640 B CN 102196640B
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Abstract
The invention discloses a control circuit of LED (light-emitting diode) lights and light strings, comprising an oscillation boosting module, an energy-saving module, a multifunctional output module, a control module, a photosensitive module and the like, wherein the oscillation boosting module, the energy-saving module, the multifunctional output module and the photosensitive module are respectively connected with the control module. By adopting the control circuit, a 2.4-6V battery pack can work for 15-30 days, thus reducing the use cost. The LED light strings are connected in series and then in parallel, thus the LED lights are low in voltage drop consistence requirement. The price of the LEDs is reduced, thus reducing the production cost.
Description
Technical field
The present invention relates to Christmas lamp, Holiday lamp, decorative lamp field, relate in particular to a kind of LED battery lamp and lamp string, LED solar cell lamp and lamp string and the LED lamp of Alternating Current Power Supply (rectification) and the control circuit of lamp string.
Background technology
Along with the variation in epoch, the development of society, LED lamp and lamp string are not only applied to the decoration of doing something for the occasion in the various red-letter days such as Christmas Day, and are applied to house decoration and city lighting engineering and various public place of entertainment.Compare with traditional incandescent lamp string, LED lamp has incomparable advantage, as low in energy consumption, beautiful in colour, by three kinds of primary colours or colour brightness (colourity) are controlled, can realize full-color variation, illumination and decoration function, the celebrating atmosphere that strengthens red-letter day, therefore, LED lamp and lamp string more and more appear in our daily life.
Along with the international trend of low-carbon (LC) life and energy-saving and emission-reduction, the development of lighting decoration controlled industry, need to catch up with this trend equally, but current a considerable amount of lamps and lamp string exist the defect that energy consumption is large, cost is high, and the problem of its technology status and existence is as follows:
1, existing control circuit energy consumption is large: the battery pack operating time of 2.4～6V is 1～2 day.
2, existing control circuit cost is high: LED lamp string adopts and is connected in parallel, and processing charges is high; The pressure drop coherence request of LED is high, and the price of LED is also high.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, the control circuit of a kind of LDE lamp and lamp string is provided.
The object of the invention is to be achieved through the following technical solutions: the control circuit of a kind of LED lamp and lamp string, it comprises: oscillation boosting module, energy-saving module, multi-functional output module, control module and photosensitive module etc.; Wherein, oscillation boosting module, energy-saving module, multi-functional output module is connected with control module respectively with photosensitive module.
Further, also comprise 24 hours circulation timing modules that are connected with control module.
Further, described 24 hours circulation timing modules comprise: crystal oscillator LXT, capacitor C 3 and capacitor C 4; Capacitor C 4 one end are connected with control module with crystal oscillator LXT one end respectively, other end ground connection; Capacitor C 3 one end are connected with control module with the other end of crystal oscillator LXT respectively, other end ground connection.
Further, described oscillation step-up circuit comprises: resistance R 21, resistance R 22, inductance L 21, capacitor C 21, charging capacitor C2, diode D21 and triode Q21 etc.; Wherein, a termination control module after resistance R 21 and capacitor C 21 are in parallel, the other end is connected with the base stage of triode Q21, resistance R 22 is connected between the base stage and emitter of triode Q21, the collector electrode of triode Q21 connects the positive pole of diode D21, the VDD utmost point of a termination control module of inductance L 21, and the other end is connected on the positive pole of diode D21, charging capacitor C2 two ends connect respectively negative pole and the ground of diode D21, the grounded emitter of triode Q21.
Further, in described oscillation step-up circuit, triode Q21 also can replace with metal-oxide-semiconductor Q22.
Further, described oscillation step-up circuit also can be in parallel by n circuit, and each circuit comprises: resistance R 21, resistance R 22, inductance L 21, capacitor C 21, charging capacitor C2, diode D21 and triode Q21 etc.; Wherein, a termination control module after resistance R 21 and capacitor C 21 are in parallel, the other end is connected with the base stage of triode Q21, resistance R 22 is connected between the base stage and emitter of triode Q21, the collector electrode of triode Q21 connects the positive pole of diode D21, the VDD utmost point of a termination control module of inductance L 21, and the other end is connected on the positive pole of diode D21, charging capacitor C2 two ends connect respectively negative pole and the ground of diode D21, the grounded emitter of triode Q21.
Further, described photosensitive module comprises: solar cell, battery, resistance R 11, resistance R 111, resistance R 12, resistance R 121, resistance R 13, charging capacitor C1, diode D1 and triode Q1 etc.; Wherein, the base stage of a termination triode Q1 after resistance R 11 and resistance R 111 are in parallel, the positive pole of another termination solar cell, the base stage of a termination triode Q1 after resistance R 12 and resistance R 121 are in parallel, the negative pole of another termination solar cell; The positive pole of solar cell connects the positive pole of battery after by diode D1, the minus earth of battery, and capacitor C 1 is connected in parallel on battery two ends; The positive pole of one termination battery of resistance, the collector electrode of another termination triode Q1; The collector electrode of triode Q1 connects control module, grounded emitter.
Further, described photosensitive module comprises: solar cell, battery, resistance R 11, resistance R 111, resistance R 12, resistance R 121, resistance R 13, resistance R 14, resistance R 1, charging capacitor C1, diode D1, Zener diode ZD and operational amplifier U2A etc.; Wherein, the negative input end of a termination operational amplifier U2A after resistance R 11 and resistance R 111 are in parallel, the other end is connected on the positive pole of solar cell, and after resistance R 12 and resistance R 121 are in parallel, an end is connected on the negative input end of operational amplifier U2A, and the other end is connected on the negative pole of solar cell; The positive pole of solar cell is connected on the positive pole of battery BT after by diode D1, the minus earth of battery BT, and capacitor C 1 is connected in parallel on battery BT two ends; The negative pole of one terminating diode D1 of resistance R 1, the negative electrode of another termination Zener diode ZD, the plus earth of Zener diode ZD; The negative electrode of one termination Zener diode ZD of resistance R 13, the positive input terminal of another termination operational amplifier U2A; The positive input terminal of one termination operational amplifier U2A of resistance R 14, other end ground connection; The output termination control module of operational amplifier U2A.
Further, described multi-functional output module comprises: resistance R 31, resistance R 32, resistance R 321, sample resistance RS, triode Q3, triode Q5, button KEY and N luminous branch road etc.; Each luminous branch road comprises n LED lamp, 2 resistance and a triode, after n LED lamp connected successively, negative terminal is connected on the collector electrode of triode, positive resistance of termination, transistor base connects control module by another resistance, and the emitting stage of triode connects with the base stage of sample resistance RS one end and triode Q5 respectively, the other end ground connection of sample resistance RS, the collector electrode of triode Q5 connects control module, the grounded emitter of triode Q5; One end of a terminating resistor R31 and the base stage of triode Q3 after resistance R 32 is in parallel with resistance R 321, other end ground connection; The collector electrode of triode Q3 connects control module, the grounded emitter of triode Q3.
Further, described multi-functional output module comprises: resistance R 31, resistance R 32, resistance R 321, sample resistance RS, operational amplifier U2B, operational amplifier U2C, button KEY and N luminous branch road etc.; Each luminous branch road comprises n LED lamp, 2 resistance and a metal-oxide-semiconductor, after n LED lamp connected successively, negative terminal is connected on the D utmost point of metal-oxide-semiconductor, positive resistance of termination, the G utmost point of metal-oxide-semiconductor connects control module by another resistance, the S level of metal-oxide-semiconductor connects with the negative input end of sample resistance RS one end and operational amplifier U2C respectively, the other end ground connection of sample resistance RS, the output termination control module of operational amplifier U2C; One end of a terminating resistor R31 and the negative input end of operational amplifier U2B after resistance R 32 is in parallel with resistance R 321, other end ground connection; The output termination control module of operational amplifier U2B.
The invention has the beneficial effects as follows, adopt control circuit of the present invention, the battery pack of 2.4～6V can be worked 15～30 days, has reduced use cost.LED lamp adopts series connection (general 3～12 series connection) parallel way connection again, makes LED lamp pressure drop coherence request low, and the price of LED reduces, thereby has reduced production cost.
Accompanying drawing explanation
Fig. 1 is structural representation block diagram of the present invention;
Fig. 2 is the circuit diagram of the first embodiment of oscillation boosting module of the present invention;
Fig. 3 is the circuit diagram of the second embodiment of oscillation boosting module of the present invention;
Fig. 4 is the circuit diagram of the third embodiment of oscillation boosting module of the present invention;
Fig. 5 is the circuit diagram of the first embodiment of the photosensitive module of the present invention;
Fig. 6 is the circuit diagram of the second embodiment of the photosensitive module of the present invention;
Fig. 7 is the circuit diagram of the first embodiment of time block of the present invention;
Fig. 8 is the circuit diagram of the second embodiment of time block of the present invention;
Fig. 9 is the circuit diagram of the first embodiment of the multi-functional output module of the present invention;
Figure 10 is the circuit diagram of the second embodiment of the multi-functional output module of the present invention;
Figure 11 is that the circuit of the first scheme of the control circuit of LED lamp of the present invention and lamp string is always schemed;
Figure 12 is that the circuit of first scheme of the control circuit of LED lamp of the present invention and lamp string is always schemed;
Figure 13 is that the circuit of the third scheme of the control circuit of LED lamp of the present invention and lamp string is always schemed;
Figure 14 is that the circuit of the 4th kind of scheme of the control circuit of LED lamp of the present invention and lamp string is always schemed;
Figure 15 is that the circuit of the 5th kind of scheme of the control circuit of LED lamp of the present invention and lamp string is always schemed;
Figure 16 is the flow chart of control module of the present invention.
Embodiment
Describe with reference to the accompanying drawings the present invention below in detail, it is more obvious that object of the present invention and effect will become.
As shown in Figure 1, the control circuit of LED lamp of the present invention and lamp string comprises: oscillation boosting module, energy-saving module, multi-functional output module, control module, 24 hours circulation timing modules and photosensitive module.Wherein, oscillation boosting module, energy-saving module, multi-functional output module, 24 hours circulation timing modules are connected with control module respectively with photosensitive module.
Wherein, control module is the core of the control circuit of this LED lamp and lamp string, can select the singlechip chip with PWM passage, has at a high speed reliable, low-power consumption, the feature such as antistatic, strong anti-interference by force.
Not necessarily, its function also can be realized by control module 24 hours circulation timing modules.
As shown in Figure 2, be the circuit diagram of the first embodiment of oscillation step-up circuit of the present invention.In this embodiment, oscillation step-up circuit comprises: resistance R 21, resistance R 22, inductance L 21, capacitor C 21, charging capacitor C2, diode D21 and triode Q21.After resistance R 21 and capacitor C 21 are in parallel, one end connects the PWM0 port of single-chip microcomputer, the other end is connected with the base stage of triode Q21, resistance R 22 is connected between the base stage and emitter of triode Q21, the collector electrode of triode Q21 connects the positive pole of diode D21, one end of inductance L 21 connects the VDD utmost point of single-chip microcomputer, the other end is connected on the positive pole of diode D21, and charging capacitor C2 two ends connect respectively negative pole and the ground of diode D21, the grounded emitter of triode Q21.This circuit is exactly a charge pump, realizes oscillation boosting.Utilize different switching frequencies and pulse duration to discharge and recharge inductance L 21, reach the object of boosting.This module can be elevated to 130V by the direct voltage of 2.4～6V.It is the triode of 2N2222A that triode Q21 can adopt model, and it is the diode of 1N4148 that diode D21 can adopt model, but is all not limited to this.
As shown in Figure 3, be the circuit diagram of the second embodiment of oscillation step-up circuit of the present invention.Compare with Fig. 2, just triode Q21 is replaced with metal-oxide-semiconductor Q22.
As shown in Figure 4, be the circuit diagram of the third embodiment of oscillation step-up circuit of the present invention.In order to improve power output, can be by n the parallel connection of the circuit as Fig. 2, Fig. 4 is 3 results after circuit parallel connection, but not as the restriction to this technical scheme, n can be random natural number.
As shown in Figure 5, be the circuit diagram of the first embodiment of the photosensitive module of the present invention.In this embodiment, photosensitive module comprises: solar cell (SOLAR), battery (BT), resistance R 11, resistance R 111, resistance R 12, resistance R 121, resistance R 13, charging capacitor C1, diode D1 and triode Q1.Wherein, solar cell can charge by a diode pair battery BT, realizes the utilization to solar energy.The base stage of a termination triode Q1 after resistance R 11 and resistance R 111 are in parallel, the positive pole of another termination solar cell, the base stage of a termination triode Q1 after resistance R 12 and resistance R 121 are in parallel, the negative pole of another termination solar cell.The positive pole of solar cell connects the positive pole of battery after by diode D1, the minus earth of battery, and capacitor C 1 is connected in parallel on battery two ends.The positive pole of one termination battery of resistance, the collector electrode of another termination triode Q1.The collector electrode of triode Q1 connects the P1.1/RST/VPP of single-chip microcomputer, grounded emitter.
It is the triode of S9013H that triode Q1 can adopt model, but is not limited to this.
As shown in Figure 6, be the circuit diagram of the second embodiment of the photosensitive module of the present invention.Compare with Fig. 5, with operational amplifier U2A, substitute triode Q1, the precision of photosensitive like this detection is higher.In this embodiment, photosensitive module comprises: solar cell (SOLAR), battery (BT), resistance R 11, resistance R 111, resistance R 12, resistance R 121, resistance R 13, resistance R 14, resistance R 1, charging capacitor C1, diode D1, Zener diode ZD and operational amplifier U2A.Wherein, the negative input end of a termination operational amplifier U2A after resistance R 11 and resistance R 111 are in parallel, the other end is connected on the positive pole of solar cell, and after resistance R 12 and resistance R 121 are in parallel, an end is connected on the negative input end of operational amplifier U2A, and the other end is connected on the negative pole of solar cell.The positive pole of solar cell is connected on the positive pole of battery BT after by diode D1, the minus earth of battery BT, and capacitor C 1 is connected in parallel on battery BT two ends.The negative pole of one terminating diode D1 of resistance R 1, the negative electrode of another termination Zener diode ZD, the plus earth of Zener diode ZD.The negative electrode of one termination Zener diode ZD of resistance R 13, the positive input terminal of another termination operational amplifier U2A.The positive input terminal of one termination operational amplifier U2A of resistance R 14, other end ground connection.The output of operational amplifier U2A connects the P1.1/RST/VPP end of single-chip microcomputer.Power unit also can not use solar cell, only uses non-rechargeabel battery BT power supply.
As shown in Figure 7, be the circuit diagram of the first embodiment of 24 hours of the present invention circulation timing modules.In this embodiment, within 24 hours, circulation timing module comprises: crystal oscillator LXT, capacitor C 3, capacitor C 4.Crystal oscillator LXT two ends connect respectively P1.3/XIN and the P1.2/XOUT interface of single-chip microcomputer.Capacitor C 4 one end connect single-chip microcomputer P1.3/XIN interface, other end ground connection.Capacitor C 3 one end connect single-chip microcomputer P1.2/XOUT interface, other end ground connection.
As shown in Figure 8, be the circuit diagram of the second embodiment of 24 hours of the present invention circulation timing modules.Compare with Fig. 7, this scheme is not enable external crystal-controlled oscillation, enables inner crystal oscillator.
As shown in Figure 9, be the circuit diagram of the first embodiment of the multi-functional output module of the present invention.3～10, N road light-emitting diode is in parallel again after connecting, and connects the collector electrode of triode, and Fig. 9 is the result of 4 circuit parallel connections.In this embodiment, multi-functional output module comprises: resistance R L1, resistance R L2, resistance R L3, resistance R L4, resistance R 31, resistance R 32, resistance R 321, resistance R 41, resistance R 42, resistance R 43, resistance R 44, resistance R S, triode Q41, triode Q42, triode Q43, triode Q44, triode Q3, triode Q5, button KEY, LED lamp LED11 ... LED1n, LED21 ... LED2n, LED31 ... LED3n, LED41 ... LED4n.After each road n LED lamp series connection, be connected on the collector electrode of triode, the corresponding port that transistor base is received single-chip microcomputer by a resistance, each road is all by Single-chip Controlling.For example, first via n LED lamp LED1n ... LED11 series connection, one end of anodal connecting resistance RL1, negative pole connects the collector electrode of triode Q41, and the base stage of triode Q41 is received the P2.3 port of single-chip microcomputer by resistance R 41.The connection on other three tunnels is also like this.After the emitter of triode Q41, triode Q42, triode Q43, triode Q44 is linked together, connect with one end of current sampling resistor RS and the base stage of triode Q5, the other end ground connection of sample resistance RS, the collector electrode of triode Q5 connects the port P2.0 of single-chip microcomputer, the grounded emitter of triode Q5.One end of a terminating resistor R31 and the base stage of triode Q3 after resistance R 32 is in parallel with resistance R 321, other end ground connection.The collector electrode of triode Q3 connects the P0.0/INT0 interface of single-chip microcomputer, the grounded emitter of triode Q3.Sample resistance RS, triode Q5, one-chip machine port P2.0 forms output overcurrent protection.Resistance R 31, resistance R 32, resistance R 321, triode Q3, one-chip machine port P0.0/INT0 forms output over-voltage protection.Button KEY one end meets one-chip machine port P1.0, and one end ground connection is often pressed button No. one time, changes a kind of output function.
As shown in figure 10, be the circuit diagram of the second embodiment of the multi-functional output module of the present invention.Compare with Fig. 9, operational amplifier U2B, operational amplifier U2C for the triode Q3 in Fig. 9, triode Q5 are substituted, triode Q41, triode Q42, triode Q43, triode Q44 replace with metal-oxide-semiconductor.Over-current detection module and overvoltage detection module adopt amplifier structure.The negative input end of a terminating resistor R31 and operational amplifier U2B after resistance R 32 is in parallel with resistance R 321, the positive input termination comparative voltage REF2 of operational amplifier U2B, the output of operational amplifier U2B connects the P0.0/INT0 end of single-chip microcomputer, after being connected together, receives the S utmost point of metal-oxide-semiconductor Q45, metal-oxide-semiconductor Q46, metal-oxide-semiconductor Q47, metal-oxide-semiconductor Q48 the negative input end of operational amplifier U2C, the positive input termination comparative voltage REF3 of operational amplifier U2C, the output of operational amplifier U2C connects the P2.0 port of single-chip microcomputer.The voltage detecting function of battery BT is integrated in single-chip microcomputer inside.
It is the triode of 2N5551 that triode Q41, triode Q42, triode Q43, triode Q44 can adopt model, and it is the triode of S9013H that triode Q5 can adopt model, but is not limited to this.
The course of work of this multi-functional output module is as follows: when the base voltage on a certain road of Single-chip Controlling is low level, this road not conducting of triode, light-emitting diode does not work, when the base voltage on a certain road is high level, this road triode conducting, light-emitting diode is lighted.Control each road and can realize output port: ,Si road, ,San road, single channel ,Er road ... ,Ba road ... minute, generally in several situations in ,Si road, ,San road, Yi road ,Er road, use.
Output function:
1. single lamp chase (horse race) forward and reverse, fast, in, slow,
2. two lamps chase (horse race) forward and reverse, fast, in, slowly,
3. single lamp chase add get brighter gradually secretly forward and reverse, fast, in, slow,
4. two lamps chase add get brighter gradually secretly forward and reverse, fast, in, slow,
5. all get brighter gradually dark fast, in, slow,
6. single lamp chase add flicker forward and reverse, fast, in, slow,
7. single lamp chase add flicker forward and reverse, fast, in, slow,
8. all synchronous flashings fast, in, slow,
It is 9. entirely bright,
10. the various combinations of above-mentioned functions.
Each function of output is by Single-chip Controlling.
The frequency that single-chip microcomputer can be suitable is simultaneously carried out switch control to LED, reaches energy-saving effect.
The practical circuit of the LED lamp that the embodiment combination in any that Figure 11-15 are aforementioned each functional module forms and the control circuit of lamp string is always schemed.
As shown in figure 11, for the circuit of the first scheme of the control circuit of LED lamp of the present invention and lamp string, always scheme, can realize the function of each module.
As shown in figure 12, for the circuit of the first scheme of the control circuit of LED lamp of the present invention and lamp string is always schemed.Compare with Figure 11, Figure 12 changes the triode in Figure 11 into metal-oxide-semiconductor, and comparison module changes amplifier into.
As shown in figure 13, for the circuit of the third scheme of the control circuit of LED lamp of the present invention and lamp string is always schemed.Compare with Figure 11, Figure 13 is that single channel output is containing overcurrent protection and overvoltage crowbar.In figure, by wire jumper, connect or do not fetch the various output functions of control.
As shown in figure 14, for the circuit of the 4th kind of scheme of the control circuit of LED lamp of the present invention and lamp string is always schemed.Compare with Figure 11, export without overcurrent protection and overvoltage crowbar on Figure 14 Shi Er road.
As shown in figure 15, for the circuit of the 5th kind of scheme of the control circuit of LED lamp of the present invention and lamp string is always schemed.Compare with Figure 11, Figure 15 is that integrated circuit is simplified encapsulation two tunnel outputs without overcurrent protection and overvoltage crowbar figure.
As shown in figure 16, be the flow chart of control module of the present invention.Start first judge whether content of registers loses, if lose, carry out initialization, if without losing directly judge whether solar cell works, be also to judge whether solar cell works after initialization.If work, is made as general mode by pattern, if do not work, pattern is made as to Night.Then two kinds of patterns all judge that whether P13 is unsettled, if unsettled, are made as 2R8M, otherwise are made as 2R2M.Again both are judged to whether button is pressed, if change play mode, the value of judgement Menu, if 0, integrated mode, if 1, single lamp flicker, if 2, faint star flicker, if 3, horse race lamp get brighter gradually dark, if 4, flicker, gradually dark if 5 ，Ze collectives get brighter, if 6, first bright rear dark, if 7, a peacock flaunting its tail, if 8, close.If button is not pressed, judge with the same all returning to after these 8 kinds of play mode changes whether solar cell works.
Above-described embodiment is used for the present invention that explains, rather than limits the invention, and in the protection range of spirit of the present invention and claim, any modification and change that the present invention is made, all fall into protection scope of the present invention.
Claims (16)
1. a control circuit for LED lamp and lamp string, is characterized in that, it comprises: oscillation boosting module, energy-saving module, multi-functional output module, control module and photosensitive module; Wherein, oscillation boosting module, energy-saving module and multi-functional output module are connected successively, oscillation boosting module, energy-saving module, and multi-functional output module is connected with control module respectively with photosensitive module; Described photosensitive module comprises: solar cell, battery, resistance R 11, resistance R 111, resistance R 12, resistance R 121, resistance R 13, charging capacitor C1, diode D1 and triode Q1; Wherein, the base stage of a termination triode Q1 after resistance R 11 and resistance R 111 are in parallel, the positive pole of another termination solar cell, the base stage of a termination triode Q1 after resistance R 12 and resistance R 121 are in parallel, the negative pole of another termination solar cell; The positive pole of solar cell connects the positive pole of battery after by diode D1, the minus earth of battery, and capacitor C 1 is connected in parallel on battery two ends; The positive pole of one termination battery of resistance R 13, the collector electrode of another termination triode Q1; The collector electrode of triode Q1 connects control module, grounded emitter.
2. the control circuit of LED lamp and lamp string according to claim 1, is characterized in that, also comprises 24 hours circulation timing modules that are connected with control module.
3. the control circuit of LED lamp and lamp string according to claim 2, is characterized in that, within described 24 hours, circulation timing module comprises: crystal oscillator LXT, capacitor C 3 and capacitor C 4; Capacitor C 4 one end are connected with control module with crystal oscillator LXT one end respectively, other end ground connection; Capacitor C 3 one end are connected with control module with the other end of crystal oscillator LXT respectively, other end ground connection.
4. the control circuit of LED lamp and lamp string according to claim 1, is characterized in that, described oscillation step-up circuit comprises: resistance R 21, resistance R 22, inductance L 21, capacitor C 21, charging capacitor C2, diode D21 and triode Q21; Wherein, a termination control module after resistance R 21 and capacitor C 21 are in parallel, the other end is connected with the base stage of triode Q21, resistance R 22 is connected between the base stage and emitter of triode Q21, the collector electrode of triode Q21 connects the positive pole of diode D21, the VDD utmost point of a termination control module of inductance L 21, and the other end is connected on the positive pole of diode D21, charging capacitor C2 two ends connect respectively negative pole and the ground of diode D21, the grounded emitter of triode Q21.
5. the control circuit of LED lamp and lamp string according to claim 1, is characterized in that, described oscillation step-up circuit comprises: resistance R 21, resistance R 22, inductance L 21, capacitor C 21, charging capacitor C2, diode D21 and metal-oxide-semiconductor Q22; Wherein, a termination control module after resistance R 21 and capacitor C 21 are in parallel, the other end is extremely connected with the G of metal-oxide-semiconductor Q22, resistance R 22 is connected between the G utmost point and the S utmost point of metal-oxide-semiconductor Q22, the D utmost point of metal-oxide-semiconductor Q22 connects the positive pole of diode D21, the VDD utmost point of a termination control module of inductance L 21, and the other end is connected on the positive pole of diode D21, charging capacitor C2 two ends connect respectively negative pole and the ground of diode D21, the S utmost point ground connection of metal-oxide-semiconductor Q22.
6. the control circuit of LED lamp and lamp string according to claim 1, it is characterized in that, described oscillation step-up circuit is in parallel by n circuit, and each circuit comprises: resistance R 21, resistance R 22, inductance L 21, capacitor C 21, charging capacitor C2, diode D21 and triode Q21; Wherein, a termination control module after resistance R 21 and capacitor C 21 are in parallel, the other end is connected with the base stage of triode Q21, resistance R 22 is connected between the base stage and emitter of triode Q21, the collector electrode of triode Q21 connects the positive pole of diode D21, the VDD utmost point of a termination control module of inductance L 21, and the other end is connected on the positive pole of diode D21, charging capacitor C2 two ends connect respectively negative pole and the ground of diode D21, the grounded emitter of triode Q21.
7. the control circuit of LED lamp and lamp string according to claim 1, is characterized in that, described multi-functional output module comprises: resistance R 31, resistance R 32, resistance R 321, sample resistance RS, triode Q3, triode Q5, button KEY and N luminous branch road; Each luminous branch road comprises n LED lamp, 2 resistance and a triode, after n LED lamp connected successively, negative terminal is connected on the collector electrode of triode, positive resistance of termination, transistor base connects control module by another resistance, and the emitting stage of triode connects with the base stage of sample resistance RS one end and triode Q5 respectively, the other end ground connection of sample resistance RS, the collector electrode of triode Q5 connects control module, the grounded emitter of triode Q5; One end of a terminating resistor R31 and the base stage of triode Q3 after resistance R 32 is in parallel with resistance R 321, other end ground connection; The collector electrode of triode Q3 connects control module, the grounded emitter of triode Q3, button KEY mono-termination control module, other end ground connection.
8. the control circuit of LED lamp and lamp string according to claim 1, it is characterized in that, described multi-functional output module comprises: resistance R 31, resistance R 32, resistance R 321, sample resistance RS, operational amplifier U2B, operational amplifier U2C, button KEY and N luminous branch road; Each luminous branch road comprises n LED lamp, 2 resistance and a metal-oxide-semiconductor, after n LED lamp connected successively, negative terminal is connected on the D utmost point of metal-oxide-semiconductor, positive resistance of termination, the G utmost point of metal-oxide-semiconductor connects control module by another resistance, the S level of metal-oxide-semiconductor connects with the negative input end of sample resistance RS one end and operational amplifier U2C respectively, the other end ground connection of sample resistance RS, the output termination control module of operational amplifier U2C; One end of a terminating resistor R31 and the negative input end of operational amplifier U2B after resistance R 32 is in parallel with resistance R 321, other end ground connection; The output termination control module of operational amplifier U2B, button KEY mono-termination control module, other end ground connection.
9. a control circuit for LED lamp and lamp string, is characterized in that, it comprises: oscillation boosting module, energy-saving module, multi-functional output module, control module and photosensitive module; Wherein, oscillation boosting module, energy-saving module and multi-functional output module are connected successively, oscillation boosting module, energy-saving module, and multi-functional output module is connected with control module respectively with photosensitive module; Described photosensitive module comprises: solar cell, battery, resistance R 11, resistance R 111, resistance R 12, resistance R 121, resistance R 13, resistance R 14, resistance R 1, charging capacitor C1, diode D1, Zener diode ZD and operational amplifier U2A; Wherein, the negative input end of a termination operational amplifier U2A after resistance R 11 and resistance R 111 are in parallel, the other end is connected on the positive pole of solar cell, and after resistance R 12 and resistance R 121 are in parallel, an end is connected on the negative input end of operational amplifier U2A, and the other end is connected on the negative pole of solar cell; The positive pole of solar cell is connected on the positive pole of battery BT after by diode D1, the minus earth of battery BT, and capacitor C 1 is connected in parallel on battery BT two ends; The negative pole of one terminating diode D1 of resistance R 1, the negative electrode of another termination Zener diode ZD, the plus earth of Zener diode ZD; The negative electrode of one termination Zener diode ZD of resistance R 13, the positive input terminal of another termination operational amplifier U2A; The positive input terminal of one termination operational amplifier U2A of resistance R 14, other end ground connection; The output termination control module of operational amplifier U2A.
10. the control circuit of LED lamp and lamp string according to claim 9, is characterized in that, also comprises 24 hours circulation timing modules that are connected with control module.
11. control circuits of LED lamp and lamp string according to claim 10, is characterized in that, within described 24 hours, circulation timing module comprises: crystal oscillator LXT, capacitor C 3 and capacitor C 4; Capacitor C 4 one end are connected with control module with crystal oscillator LXT one end respectively, other end ground connection; Capacitor C 3 one end are connected with control module with the other end of crystal oscillator LXT respectively, other end ground connection.
12. control circuits of LED lamp and lamp string according to claim 9, is characterized in that, described oscillation step-up circuit comprises: resistance R 21, resistance R 22, inductance L 21, capacitor C 21, charging capacitor C2, diode D21 and triode Q21; Wherein, a termination control module after resistance R 21 and capacitor C 21 are in parallel, the other end is connected with the base stage of triode Q21, resistance R 22 is connected between the base stage and emitter of triode Q21, the collector electrode of triode Q21 connects the positive pole of diode D21, the VDD utmost point of a termination control module of inductance L 21, and the other end is connected on the positive pole of diode D21, charging capacitor C2 two ends connect respectively negative pole and the ground of diode D21, the grounded emitter of triode Q21.
13. control circuits of LED lamp and lamp string according to claim 9, is characterized in that, described oscillation step-up circuit comprises: resistance R 21, resistance R 22, inductance L 21, capacitor C 21, charging capacitor C2, diode D21 and metal-oxide-semiconductor Q22; Wherein, a termination control module after resistance R 21 and capacitor C 21 are in parallel, the other end is extremely connected with the G of metal-oxide-semiconductor Q22, resistance R 22 is connected between the G utmost point and the S utmost point of metal-oxide-semiconductor Q22, the D utmost point of metal-oxide-semiconductor Q22 connects the positive pole of diode D21, the VDD utmost point of a termination control module of inductance L 21, and the other end is connected on the positive pole of diode D21, charging capacitor C2 two ends connect respectively negative pole and the ground of diode D21, the S utmost point ground connection of metal-oxide-semiconductor Q22.
14. control circuits of LED lamp and lamp string according to claim 9, it is characterized in that, described oscillation step-up circuit is in parallel by n circuit, and each circuit comprises: resistance R 21, resistance R 22, inductance L 21, capacitor C 21, charging capacitor C2, diode D21 and triode Q21; Wherein, a termination control module after resistance R 21 and capacitor C 21 are in parallel, the other end is connected with the base stage of triode Q21, resistance R 22 is connected between the base stage and emitter of triode Q21, the collector electrode of triode Q21 connects the positive pole of diode D21, the VDD utmost point of a termination control module of inductance L 21, and the other end is connected on the positive pole of diode D21, charging capacitor C2 two ends connect respectively negative pole and the ground of diode D21, the grounded emitter of triode Q21.
15. control circuits of LED lamp and lamp string according to claim 9, is characterized in that, described multi-functional output module comprises: resistance R 31, resistance R 32, resistance R 321, sample resistance RS, triode Q3, triode Q5, button KEY and N luminous branch road; Each luminous branch road comprises n LED lamp, 2 resistance and a triode, after n LED lamp connected successively, negative terminal is connected on the collector electrode of triode, positive resistance of termination, transistor base connects control module by another resistance, and the emitting stage of triode connects with the base stage of sample resistance RS one end and triode Q5 respectively, the other end ground connection of sample resistance RS, the collector electrode of triode Q5 connects control module, the grounded emitter of triode Q5; One end of a terminating resistor R31 and the base stage of triode Q3 after resistance R 32 is in parallel with resistance R 321, other end ground connection; The collector electrode of triode Q3 connects control module, the grounded emitter of triode Q3, button KEY mono-termination control module, other end ground connection.
16. control circuits of LED lamp and lamp string according to claim 9, it is characterized in that, described multi-functional output module comprises: resistance R 31, resistance R 32, resistance R 321, sample resistance RS, operational amplifier U2B, operational amplifier U2C, button KEY and N luminous branch road; Each luminous branch road comprises n LED lamp, 2 resistance and a metal-oxide-semiconductor, after n LED lamp connected successively, negative terminal is connected on the D utmost point of metal-oxide-semiconductor, positive resistance of termination, the G utmost point of metal-oxide-semiconductor connects control module by another resistance, the S level of metal-oxide-semiconductor connects with the negative input end of sample resistance RS one end and operational amplifier U2C respectively, the other end ground connection of sample resistance RS, the output termination control module of operational amplifier U2C; One end of a terminating resistor R31 and the negative input end of operational amplifier U2B after resistance R 32 is in parallel with resistance R 321, other end ground connection; The output termination control module of operational amplifier U2B, button KEY mono-termination control module, other end ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110131743.9A CN102196640B (en) | 2011-05-20 | 2011-05-20 | Control circuit of LED (light-emitting diode) lights and light strings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110131743.9A CN102196640B (en) | 2011-05-20 | 2011-05-20 | Control circuit of LED (light-emitting diode) lights and light strings |
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| CN102196640A CN102196640A (en) | 2011-09-21 |
| CN102196640B true CN102196640B (en) | 2014-03-12 |
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| CN104080250B (en) * | 2014-06-27 | 2017-06-20 | 深圳市明微电子股份有限公司 | Without stroboscopic LED illumination circuit and device |
| CN106941751A (en) * | 2017-04-27 | 2017-07-11 | 宁波迪明斯电子科技有限公司 | A kind of drive circuit of variable voltage |
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| CN2824499Y (en) * | 2005-07-18 | 2006-10-04 | 金昊 | Solar controlling circuit for courtyard lamp |
| CN201270604Y (en) * | 2007-12-25 | 2009-07-08 | 鹤山丽得电子实业有限公司 | Light string controller |
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| CN102032523A (en) * | 2010-09-21 | 2011-04-27 | 华南理工大学 | Energy-saving LED (light-emitting diode) street lamp |
| CN202077237U (en) * | 2011-05-20 | 2011-12-14 | 杭州璞莱科技有限公司 | LED lamp and control circuit of lamp string |
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| CN2824499Y (en) * | 2005-07-18 | 2006-10-04 | 金昊 | Solar controlling circuit for courtyard lamp |
| CN201270604Y (en) * | 2007-12-25 | 2009-07-08 | 鹤山丽得电子实业有限公司 | Light string controller |
| CN201667742U (en) * | 2010-01-22 | 2010-12-08 | 青岛海信电器股份有限公司 | LED backlight driving device of light emitting diode and liquid crystal display |
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