CN102448222A - LED control system for landscape illumination, backlight and general illumination - Google Patents
LED control system for landscape illumination, backlight and general illumination Download PDFInfo
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- CN102448222A CN102448222A CN2011102286620A CN201110228662A CN102448222A CN 102448222 A CN102448222 A CN 102448222A CN 2011102286620 A CN2011102286620 A CN 2011102286620A CN 201110228662 A CN201110228662 A CN 201110228662A CN 102448222 A CN102448222 A CN 102448222A
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Abstract
The invention relates to an LED control system for landscape illumination, backlight and general illumination. The LED control system is characterized by consisting of a power circuit, a temperature/electric quantity acquisition circuit, a voltage monitoring resetting circuit, a CPU (Central Processing Unit), a wireless remote transmission module, other sensor circuits, a direct-current voltage/pulse width modulation voltage output circuit, a relay circuit and a concentrator. The LED control system makes full use of an electronic technology, a communication technology and a network technology and organically connects LED illuminators; according to the LED control system for landscape illumination, backlight and general illumination, brightness can be controlled according to actual using conditions, an LED illumination device which has a fault can be rapidly searched in the LED control system, and effective management and control are realized.
Description
Technical field
The present invention relates to a kind of circuit control system, particularly a kind of LED control system that is used for Landscape Lighting, backlight and general illumination.
Background technology
The incomparable superiority of many conventional light source such as the LED illumination has the luminous efficiency height, power consumption is few, the life-span is long, photochromic pure, stable height, high safety, environmental protection are a kind of lighting technology of environmental protection.Under the background of energy-saving and emission-reduction, the arriving of LED illumination is unquestionable.China LED industry has formed than integrated industrial chain at present, and product is widely used in fields such as Landscape Lighting, backlight and general illumination.
The existing control method that is used for the LED of Landscape Lighting, backlight and general illumination mainly is out and closes two states to switch, and promptly lights the LED illumination and closes the LED illumination, to reach controlled function.The controlled function of existing LED illuminating device has been brought problems, for example in the second half of the night, does not have a lot of pedestrians and vehicle, does not just need highlight illumination, and can reduce the brightness of illuminating device, saves energy this moment.Because the control method of existing LED has only the above-mentioned switching of lighting or closing, and can not control the brightness of illuminating device; In addition, when illuminating device breaks down, need manual work that the LED illuminating device in the said LED control system is investigated one by one, the waste electric energy has increased cost of labor.
Summary of the invention
The purpose of this invention is to provide a kind of LED control system; Said system makes full use of electronic technology, the communication technology, network technology; Organically couple together the LED luminaire; The LED control system that is used in Landscape Lighting, backlight and general illumination can be controlled its brightness according to actual operating position, and can investigate the LED illuminating device that breaks down in the LED control system rapidly, realizes effectively management and control.
Realize that technical scheme of the present invention is:
The LED control system that is used for Landscape Lighting, backlight and general illumination; Form by power circuit, temperature/electric quantity acquisition circuit, voltage monitoring reset circuit, CPU, wireless remote transmission module, other sensor circuit, direct voltage/pwm voltage output circuit, relay circuit, concentrator; Wherein 5 of power circuit outputs are connected with the input of temperature/electric quantity acquisition electric weight road, voltage monitoring reset circuit, CPU, wireless remote transmission module, other sensor circuit respectively, for system provides power supply; First output of CPU is connected with the wireless remote transmission module input; An output of wireless remote transmission module is connected with first input of CPU; The communication signal of wireless remote transmission module receiving remote also sends it to CPU, and CPU handles the communication information of wireless remote transmission module transmission; Second output of CPU is connected with the input of temperature/electric quantity acquisition circuit; The output of temperature/electric quantity acquisition circuit is connected with second input of CPU, and temperature/electric quantity acquisition circuit sends the temperature parameter of gathering, the electrical parameter of LED illuminating device consumption to CPU; Third and fourth of CPU, five outputs are connected with the input of direct voltage/pwm voltage output circuit, relay circuit respectively, and direct voltage/pwm voltage is according to the waveform of CPU output, output dc voltage and pwm voltage; CPU is according to the program that makes in advance, and the output control signal drives relay, the output pulse width modulating wave; The 3rd input of CPU is connected with the output of other sensor circuit, and CPU receives the signal through sensor processing; The 6th output of CPU is connected with the input of voltage monitoring reset circuit, and the 4th input of CPU is connected with the output of voltage monitoring reset circuit; Relay is used to open or breaks off LED illuminating device power circuit.
Said power circuit comprises input general supply, power module, three terminal regulator and resistance, electric capacity; Wherein, The L end of input general supply, N end, EARTH end connect three pin of connector J2 respectively; The pin of J2 is connected with the end of fuse FU1, and the 2nd pin of J2 is connected with the input pin of AC-DC power module U13, and the 3rd pin of J2 is connected with the end of piezo-resistance V2, the 2nd input pin of U13, the input of temperature-electric quantity acquisition circuit; The other end of fuse FU1 is connected with the end of thermistor V1, the input of relay circuit, and the other end of thermistor V1 is connected with the other end of piezo-resistance V2, the 3rd pin of U13;
The 5th pin of AC-DC power module U13 is connected with the anode of the 1st pin of three terminal regulator U8, the negative terminal of voltage-stabiliser tube Z1, the 26th capacitor C 26, an end of the 15th capacitor C 15; The 3rd pin of three terminal regulator U8 is connected with an end of the anode of the 27th capacitor C 27, the 3rd capacitor C 3, the 3rd pin of three terminal regulator U4, and the 2nd pin of three terminal regulator U4 is connected with an end of an end of the anode of the 17th capacitor C 17, the 15th capacitor C 5, the 6th capacitor C 6, an end of the 7th capacitor C 7;
The 4th pin of AC-DC power module U13 is connected with the other end of the other end of the other end of the negative terminal of the anode of voltage-stabiliser tube Z1, the 26th capacitor C 26, the 15th capacitor C 15, the 2nd pin of three terminal regulator U8, the negative terminal of the 27th capacitor C 27, the 3rd capacitor C 3,1 pin of U4, the negative terminal of the 17th capacitor C 17, the other end of the 5th capacitor C 5, the 6th capacitor C 6, the other end of the 7th capacitor C 7.
Said direct voltage/pwm voltage output circuit comprises triode Q1, transport and placing device U1, resistance and electric capacity; Wherein the base stage of triode Q1 is connected with the output of CPU through the 1st resistance R 1, the 13rd resistance R 13; The emitter of triode Q1 is connected with the anode of power circuit through the 16th resistance R 16, and the collector electrode of triode Q1 is connected with the power circuit negative terminal through the 5th resistance R 5;
The other end of the 1st resistance R 1 is connected with an end of the 2nd resistance R 2, an end of the 1st capacitor C 1, and the other end of the 2nd resistance R 2 is connected with an end of the 29th capacitor C 29, the positive pin of transport and placing device U1;
1 pin of transport and placing device U1 (LM258) is connected with power circuit through the 12nd capacitor C 12; The negative pin of U1 is connected with an end of an end of the 3rd resistance R 3, the 4th resistance R 4, an end of the 2nd capacitor C 2; The output pin of U1 is connected with the other end of the 4th resistance R 4, the other end of the 2nd capacitor C 2, the input pin of U1; The negative pin of another of U1 is connected with an end of another output pin, the 12nd resistance R 12, and the other end of the 12nd resistance R 12 is connected with the other end, the output interface J1 of the 37th resistance R 37;
The other end of the other end of the 1st capacitor C 1 and the other end of the 29th capacitor C 29, the 3rd resistance R 3, transport and placing device U1's---the interface of pin, J1, the input of power circuit are connected.
Pulse-width modulation circuit+filter circuit is formed, and wherein pulse-width modulation circuit is made up of through a grounded-base transistor output the square wave of a 1kHz of CPU output then, and filter circuit adopts secondary RC LPF.
Said pwm voltage output circuit is the square wave that CPU partly exports a 1kHz, then through a grounded-base transistor output.
Said relay circuit comprises triode, diode, resistance; Wherein an end of the 18th resistance R 18 is connected with 22 pin of CPU (Fig. 2); The other end of the 18th resistance R 18 is connected with an end of the 25th resistance R 25, the base stage of triode Q2; The other end of the 25th resistance R 25 is connected with the 17th capacitor C 17 negative terminals of the emitter of triode Q2, power circuit; The anode of the collector electrode of triode Q2 and diode D5, an end of K switch 1 are connected, and the anode of the negative terminal of the other end of K switch 1 and diode D5, the 26th capacitor C 26 of power circuit is connected.
The model of said CPU is LPC1112FHN33; The model of said wireless remote transmission module is ZM2410; The model of said voltage monitoring reset circuit is MAX706RESA, and the model of said temperature/electric quantity acquisition circuit is CS5461AISZ, the E28 that said concentrator adopts little spy to step; The model of transducer is ON9658.
The present invention can realize that Remote Open closes the LED illuminating device, collects the electric weight that the LED illuminating device consumes; Accurately control the function of the brightness of LED illuminating device; Realize energy-conservationly, reduce the purpose of emission of carbon-dioxide, realize the brightness of Long-distance Control LED illuminating device.The present invention can also tentatively judge the fault point and the reason of illuminating device, has reduced labour cost, has reduced illumination cost.
The energy-saving effect of system according to the invention (is example with the street lamp) is like following table:
Description of drawings
Fig. 1 is the circuit block diagram of LED control system of the present invention;
Fig. 2 is the circuit diagram of CPU;
Fig. 3 is the circuit diagram of temperature/electric quantity acquisition;
Fig. 4 is other sensor circuit sketch map;
Fig. 5 is direct voltage/pwm voltage output circuit sketch map;
Fig. 6 is the wireless remote transmission module diagram;
Fig. 7 is the power circuit sketch map;
Fig. 8 is the relay circuit sketch map;
Fig. 9 is a voltage monitoring reset circuit sketch map.
Embodiment
Referring to Fig. 1; The LED control system that is used for Landscape Lighting, backlight and general illumination; Form by power circuit, temperature/electric quantity acquisition circuit, voltage monitoring reset circuit, CPU, wireless remote transmission module, other sensor circuit, direct voltage/pwm voltage output circuit, relay circuit, concentrator; Wherein 5 of power circuit outputs are connected with the input of temperature/electric quantity acquisition electric weight road, voltage monitoring reset circuit, CPU, wireless remote transmission module, other sensor circuit respectively, for system provides power supply; First output of CPU is connected with the wireless remote transmission module input; An output of wireless remote transmission module is connected with first input of CPU; The communication signal of wireless remote transmission module receiving remote also sends it to CPU, and CPU handles the communication information of wireless remote transmission module transmission; Second output of CPU is connected with the input of temperature/electric quantity acquisition circuit; The output of temperature/electric quantity acquisition circuit is connected with second input of CPU, and temperature/electric quantity acquisition circuit sends the temperature parameter of gathering, the electrical parameter of LED illuminating device consumption to CPU; Third and fourth of CPU, five outputs are connected with the input of direct voltage/pwm voltage output circuit, relay circuit respectively, and direct voltage/pwm voltage is according to the waveform of CPU output, output dc voltage and pwm voltage; CPU is according to the program that makes in advance, and the output control signal drives relay, the output pulse width modulating wave; The 3rd input of CPU is connected with the output of other sensor circuit, and CPU receives the signal through sensor processing; The 6th output of CPU is connected with the input of voltage monitoring reset circuit, and the 4th input of CPU is connected with the output of voltage monitoring reset circuit; Relay is used to open or breaks off LED illuminating device power circuit.
Said dc voltage output circuit is made up of pulse-width modulation circuit+filter circuit; Pulse-width modulation circuit is partly exported the square wave of a 1kHz by CPU; Constitute through a grounded-base transistor (triode Q1) output then, filter circuit adopts secondary RC LPF mode.Wherein, the square wave that CPU partly exports a 1kHz obtains direct voltage through triode Q1 filtering, presses through galvanic current of transport and placing device U1 output again.
Said pwm voltage output circuit is the square wave that CPU partly exports a 1kHz, then through a grounded-base transistor output.
The described power circuit of present embodiment adopts the three-terminal voltage-stabilizing circuit, and model is 78M05 or LM1117.
The model of said temperature/electric quantity acquisition circuit is CS5461AISZ; The model of said voltage monitoring reset circuit is MAX706RESA; The model of said CPU is LPC1112FHN33; The model of said wireless remote transmission module is ZM2410, and said relay circuit adopts single-pole single-throw(SPST open type relay, the E28 that said concentrator circuit adopts little spy to step; The model of transducer is ON9658.
Referring to Fig. 1-Fig. 9
Referring to Fig. 2; 3 pin of CPU (LPC1112FHN33) are connected with an end of resistance R 31, an end of switch S 6 respectively; The anode of the capacitor C 17 in the other end of R31 and the power circuit (Fig. 7) is connected; The other end of switch S 6 is connected with 1 pin in the power circuit (Fig. 7); One end of 4 pin of CPU and the end of crystal oscillator module Y1 (49/S-12MHz), the capacitor C 18 in the cpu circuit is connected, and an end of 5 pin of CPU and the other end of Y1, the capacitor C 19 in the cpu circuit is connected, and the other end of the capacitor C 18 in the cpu circuit is connected with 1 pin of the C17 of the other end of C19, power circuit (Fig. 7); The anode of the capacitor C 17 in 6 pin in the cpu circuit and the power circuit (Fig. 7) is connected, and 18 pin in the cpu circuit are connected with an end of resistance R 34; The anode of the capacitor C 17 in the other end of resistance R 34 and the power circuit (Fig. 7) is connected; 29 pin in the cpu circuit are connected with an end of the end of inductor L1, capacitor C 28; The anode of the capacitor C 17 in the other end of inductor L1 and the power circuit (Fig. 7) is connected; 1 pin of three terminal regulator U4 (LM1117) in the other end of the capacitor C 28 in the cpu circuit and the power circuit (Fig. 7) is connected, and 1 pin of the U4 in 33 pin of CPU and the power circuit (Fig. 7) is connected.
Referring to Fig. 3; The anode of the capacitor C 27 of 1 pin of bus driver U3 (74LVC245) and an end of 20 pin, capacitor C 13, the three terminal regulator U8 (78M05) in the power circuit is connected, and 2 pin of 10 pin of U3 and the other end of 19 pin, capacitor C 13, the U8 in the power circuit are connected.
6 pin of U3 are connected with 26 pin in CPU (Fig. 2); 7 pin of U3 are connected with 24 pin in CPU, and 8 pin of U3 are connected with 18 pin among the CPU (Fig. 2), and 9 pin of U3 are connected with 15 pin among the CPU (Fig. 2); 5 pin of electric energy computation chip U5 (CS5461AISZ) in 11 pin of U3 and temperature-electric quantity acquisition part are connected; 12 pin of U3 are connected with 23 pin of U5, and 13 pin of U3 are connected with 7 pin of U5, and 14 pin of U3 are connected with 19 pin of U5.
The anode of the capacitor C 27 of three terminal regulator U8 (78M05) is connected among one end of one end of 14 pin of U5 and 17 pin, capacitor C 10, the anode of capacitor C 24, resistance R 14 and Fig. 7, and 3 pin of U5 are connected with an end of the other end of resistance R 14, capacitor C 4; The negative terminal of the negative terminal of the other end of 4 pin of U5 and 13 pin, capacitor C 10, the other end of capacitor C 4, capacitor C 24, an end of capacitor C 25, the capacitor C 27 among Fig. 7 is connected; 11 pin of U5 are connected with the other end of 12 pin, capacitor C 25.
1 pin of U5 is connected with the end of crystal oscillator Y2, and 24 pin of U5 are connected with the other end of Y2.
6 pin of U5 are connected with an end of resistance R 10; The other end of resistance R 10 is connected with an end of resistance R 30,17 pin of CPU (Fig. 2); 20 pin of U5 are connected with an end of resistance R 11; The other end of resistance R 11 is connected with an end of resistance R 35,20 pin of CPU (Fig. 2); 21 pin of U5 are connected with an end of resistance R 32, and the other end of resistance R 32 is connected with an end of resistance R 38,7 pin of CPU (Fig. 2), and 22 pin of U5 are connected with an end of resistance R 33; The other end of resistance R 33 is connected with an end of resistance R 36,16 pin of CPU (Fig. 2), and the other end of the other end of the other end of resistance R 30 and resistance R 35, the other end of resistance R 36, resistance R 38, the negative terminal of the capacitor C 27 among Fig. 7 are connected.
1 pin of current sensor CT1 (ZMCT103C), 1 pin of the K switch 1 among Fig. 8 connect; 3 pin of CT1 are connected with an end of an end of resistance R 20, resistance R 21; The other end of resistance R 20 is connected with the other end of resistance R 21, an end of resistance R 22, an end of resistance R 223; The other end of resistance R 22 is connected with the other end of resistance R 23,1 pin of voltage sensor PT1 (ZMPT101B), and 3 pin of PT1 are connected with the input power supply N end of the power supply of illuminating device.
4 pin of PT1 are connected with an end of an end of resistance R 24, resistance R 6; 2 pin of PT1 are connected with an end of the other end of resistance R 24, resistance R 7; One end of the negative terminal of the other end of resistance R 6 and diode D1, the negative terminal of diode D3, capacitor C 20, an end of capacitor C 8,9 pin of U5 are connected; One end of the anode of the other end of resistance R 7 and electric capacity D1, the anode of electric capacity D3, capacitor C 21, the other end of capacitor C 8,10 pin of U5 are connected, and the negative terminal of the other end of capacitor C 20 and the other end of capacitor C 21, the capacitor C 27 among Fig. 7 is connected.
4 pin of CT1 are connected with an end of an end of resistance R 27, resistance R 8; 2 pin of PT1 are connected with an end of the other end of resistance R 27, resistance R 9; One end of the negative terminal of the other end of resistance R 8 and diode D2, the negative terminal of diode D4, capacitor C 22, an end of capacitor C 9,15 pin of U5 are connected; One end of the anode of the other end of resistance R 9 and electric capacity D2, the anode of electric capacity D4, capacitor C 23, the other end of capacitor C 9,16 pin of U5 are connected, and the negative terminal of the other end of capacitor C 22 and the other end of capacitor C 23, the capacitor C 27 among Fig. 7 is connected.
With reference to Fig. 1 and Fig. 4
Fig. 4 has shown the connecting circuit of transducer coupling part.
The concrete connection as follows: 1 pin of connector J4 (KF103-3P) is connected with an end of 3 pin, resistance R 39, an end of resistance R 40, and the anode of the capacitor C 17 among 2 pin of J4 and Fig. 7 is connected.
The other end of resistance R 40 is connected with the anode of capacitor C 31, an end of capacitor C 32,21 pin of CPU (Fig. 2), and the negative terminal of the negative terminal of the other end of resistance R 39 and capacitor C 31, the other end of capacitor C 32, the capacitor C 17 among Fig. 7 is connected.
With reference to Fig. 1 and Fig. 5
Fig. 5 has shown direct voltage/pwm voltage output circuit.
Pulse-width modulation circuit+filter circuit is formed, and wherein pulse-width modulation circuit is made up of through a grounded-base transistor output the square wave of a 1kHz of CPU output then, and filter circuit adopts secondary RC LPF.
The concrete connection as follows: the base stage of triode Q1 is connected with an end of resistance R 13, an end of resistance R 16; The other end of resistance R 13 is connected with an end of resistance R 1,23 pin of CPU (Fig. 2); The negative terminal of the emitter of triode Q1 and the other end of resistance R 16, the capacitor C 17 among Fig. 7 is connected; The collector electrode of triode Q1 is connected with an end of resistance R 5, an end of resistance R 37, and the anode of the capacitor C 27 among the other end of resistance R 5 and Fig. 7 is connected.
The other end of resistance R 1 is connected with an end of resistance R 2, an end of capacitor C 1, and the other end of resistance R 2 is connected with an end of capacitor C 29,3 pin of module U1.
1 pin of U8 among 8 pin of transport and placing device U1 (LM258) and an end of capacitor C 12, Fig. 7 is connected; 2 pin of U8 among the other end of capacitor C 12 and Fig. 7 are connected; 2 pin of U1 are connected with an end of an end of resistance R 3, resistance R 4, an end of capacitor C 2; 1 pin of U1 is connected with the other end of the other end of resistance R 4, capacitor C 2,5 pin of U1, and 6 pin of U1 are connected with an end of 7 pin, resistance R 12, and the other end of resistance R 12 is connected with the other end of resistance R 37,2 pin of plug connector J1 (KF103-2P).
The negative terminal of 4 pin of the other end of the other end of capacitor C 1 and capacitor C 29, the other end of resistance R 3, module U1,1 pin of J1, the capacitor C 17 among Fig. 7 is connected.
With reference to Fig. 1 and Fig. 6
Fig. 6 has shown the connecting circuit of wireless remote transmission module section.
The concrete connection as follows: the anode of the capacitor C 27 among 1 pin of wireless remote transmission module U7 (ZM2410) and Fig. 7 is connected; The negative terminal of the capacitor C 27 among 2 pin of U7 and 11 pin, Fig. 7 is connected; 6 pin of U7 are connected with 32 pin of CPU (Fig. 2), and 7 pin of U7 are connected with 31 pin of CPU (Fig. 2).
With reference to Fig. 1 and Fig. 7
Fig. 7 has shown the connecting circuit of power circuit part.
The concrete connection as follows: the L end of input general supply, N end, EARTH end connect 1 pin, 3 pin, 2 pin of connector J2 (KF103-3P) respectively; 1 pin of J2 is connected with the end of fuse FU1; 2 pin of J2 are connected with 1 pin of AC-DC power module U13 (HD022); 3 pin of 3 pin of J2 and 2 pin of the end of piezo-resistance V2, U13, the PT1 among Fig. 3 are connected; 3 pin of the other end of FU1 and the end of thermistor V1, the K switch 1 among Fig. 8 are connected, and the other end of thermistor V1 is connected with the other end of piezo-resistance V2,3 pin of U13.
5 pin of AC-DC power module U13 are connected with 1 pin of three terminal regulator U8 (78M05), the negative terminal of voltage-stabiliser tube Z1, the anode of C26, an end of capacitor C 15; 3 pin of U8 are connected with an end of the anode of capacitor C 27, capacitor C 3,3 pin of three terminal regulator U4 (LM1117), and 2 pin of U4 are connected with an end of the anode of capacitor C 17, capacitor C 5, an end of capacitor C 6, an end of capacitor C 7.
4 pin of AC-DC power module U13 are connected with the negative terminal of the anode of voltage-stabiliser tube Z1, capacitor C 26, the other end of capacitor C 15,2 pin of three terminal regulator U8, the negative terminal of capacitor C 27, the other end of capacitor C 3,1 pin of U4, the negative terminal of capacitor C 17, the other end of capacitor C 5, the other end of capacitor C 6, the other end of capacitor C 7.
With reference to Fig. 1 and Fig. 8
Fig. 8 has shown the connecting circuit of relay circuit part.
The concrete connection as follows: an end of resistance R 18 is connected with 22 pin of CPU (Fig. 2); The other end of resistance R 18 is connected with an end of resistance R 25, the base stage of triode Q2; The negative terminal of the other end of resistance R 25 and the emitter of triode Q2, the capacitor C 17 among Fig. 7 is connected; The anode of the collector electrode of triode Q2 and diode D5,4 pin of K switch 1 are connected, and the anode of 5 pin of K switch 1 and the negative terminal of diode D5, the capacitor C 26 among Fig. 7 is connected.
With reference to Fig. 1 and Fig. 9
Fig. 9 has shown the connecting circuit of voltage monitoring reset circuit part.
The concrete connection as follows: 1 pin of voltage monitoring reset circuit U11 (MAX706RESA) is connected with an end of an end of resistance R 26, switch S 1; The anode of 2 pin of U11 and the other end of an end of capacitor C 11, switch S 1, the capacitor C 17 among Fig. 7 is connected; The negative terminal of one end of 3 pin of U11 and the other end of capacitor C 11, resistance R 17, an end of capacitor C 16, the capacitor C 17 among Fig. 7 is connected; 4 pin of U11 be connected at the other end of R17, an end of resistance R 19, the anode of the capacitor C 26 among the other end of resistance R 19 and Fig. 7 is connected, 5 pin of U11 are connected with 28 pin of CPU (Fig. 2); 6 pin of U11 are connected with 27 pin of CPU (Fig. 2); 7 pin of U11 are connected with an end of resistance R 29, and the other end of resistance R 29 is connected with the other end of capacitor C 16,2 pin of CPU (Fig. 2), and 8 pin of U11 are connected with the other end of resistance R 26.
The course of work of system according to the invention is:
Led circuit has been gathered analog signals such as temperature, electric weight, light, is uploaded to cpu circuit; The signal that CPU uploads according to each device of ready-made program processing (comprises bus driver U3 (74LVC245); The analog signal that the digital signal that the digital signal that converts the temperature that collects, electric quantity signal to, wireless module pass, transducer convert the light signal that collects to etc.; According to ready-made program; The output digital signal corresponding (comprise that control relay opens and closes, and then the Kai Heguan of control illuminating device; In addition, the 23 pin output pulse width modulated square waves of CPU through direct voltage-pwm voltage output circuit output dc voltage or pwm voltage, are regulated the power supply of LED illuminating device, and then are regulated the brightness of illuminating device, reach purpose of energy saving.The temperature that system's storage of collected arrives, energy information with the wireless module communication, are uploaded to concentrator to treated data through the wireless remote transmission module.The prefabricated program of CPU was provided with according to the time period of the brightness of illuminating device, current strength, work; As can the brightness of illuminating device be divided into 100% brightness, 50% brightness, 20% brightness, corresponding electric current is set to 100%, 50%; 20%; Time is divided into 18:00-24:00,1:00-5:00,5:00-8:00 etc.
System proceeds to the scheduled time according to preset time period program when the time, opening program, and the brightness of illumination device is regulated, and as bright for entirely in 20:00 brightness, is 50% in 1:00 brightness, and 5:00 brightness is 20% etc.; When the time enters into needs adjustment brightness; CPU is according to prefabricated time and program; The square wave of output 1kHz is through direct voltage/pwm voltage output circuit, output dc voltage or pwm voltage; Regulate the control end of the regulated power supply of illuminating device, thereby realize brightness regulation.
Need to open illuminating device: when reaching preset time or control program, CPU exports high level, through relay circuit, opens relay, and energized is opened illuminating device; Need close illuminating device: when reaching preset time or control program, the CPU output low level, through relay circuit, closed relay, deenergization cuts out illuminating device.
During special circumstances,, then can send digital signal by concentrator as opening illuminating device etc. by day; Pass to CPU through wireless module, CPU opens relay according to the prefabricated relay program of opening then; Open illuminating device, the LED illuminating device is opened, the LED lamp is bright.
Work as special circumstances, as need open illuminating device etc. by day the time, send digital signal by concentrator; Pass to CPU through wireless module, CPU exports the square wave of 1kHz according to prefabricated control program; Through direct voltage/pwm voltage output circuit; Output dc voltage or pwm voltage are regulated the control end of the regulated power supply of illuminating device, thereby realize brightness regulation.
System judges according to the light signal of gathering whether site environment meets the condition that opens or closes illuminating device, opens relay or closed relay according to prefabricated program then, and then the Kai Heguan of control illuminating device.
Judgement when illuminating device breaks down: when breaking down, this moment, the temperature or the electric weight of system can have greatly changed, and temperature and electric quantity signal are sent among the CPU through temperature/electric quantity acquisition circuit; CPU judges according to prefabricated malfunction routine; When temperature, electric weight occur unusually, the temperature that promptly ought collect surpasses set point, just is judged as irregular working as surpassing 90 ℃; When the electric weight that collects does not reach set point, as the rated value that is lower than 70% illuminating device just is judged as irregular working.When being judged as illuminating device is malfunction, and the CPU output low level is through relay circuit; Closed relay, deenergization cuts out illuminating device; Being uploaded to concentrator through wireless module, being stored in fault message simultaneously and supplying inquiry among the CPU then through the data-signal after judging.The repairman can obtain the preliminary information such as particular location of out of order illuminating device through the information of inquiry concentrator, further handles then.
Table 1 is title, the model of components and parts of the present invention
| Label | Title | Model |
| U1 | Amplifier | LM258 |
| U2 | CPU | LPC1112FHN33 |
| U3 | Bus driver | 74LVC245A |
| U4 | Three terminal regulator | LM1117 |
| U5 | Electric energy computation chip | CS5461AISZ |
| U7 | The wireless remote transmission module | ZM2410 |
| U8 | Three terminal regulator | 78M05 |
| U11 | The voltage monitoring reset circuit | MAX706RESA |
| U13 | The AC-DC power module | HD022 |
| J1 | Connector | KF103-2P |
| J2 | Connector | KF103-3P |
| J3 | Connector | 5P-2.54 |
| J4 | Connector | KF103-3P |
| PT1 | Voltage sensor | ZMPT101B |
| CT1 | Current sensor | ZMCT103C |
| FU1 | Fuse | 5A/AC250V |
| K1 | Relay | G5LA-14-12DC |
Claims (9)
1. LED control system that is used for Landscape Lighting, backlight and general illumination; It is characterized in that: form by power circuit, temperature/electric quantity acquisition circuit, voltage monitoring reset circuit, CPU, wireless remote transmission module, other sensor circuit, direct voltage/pwm voltage output circuit, relay circuit, concentrator; Wherein 5 of power circuit outputs are connected with the input of temperature/electric quantity acquisition circuit, voltage monitoring reset circuit, CPU, wireless remote transmission module, other sensor circuit respectively, for system provides power supply; First output of CPU is connected with the wireless remote transmission module input; An output of wireless remote transmission module is connected with first input of CPU; The communication signal of wireless remote transmission module receiving remote also sends it to CPU, and CPU handles the communication information of wireless remote transmission module transmission; Second output of CPU is connected with the input of temperature/electric quantity acquisition circuit; The output of temperature/electric quantity acquisition circuit is connected with second input of CPU, and temperature/electric quantity acquisition circuit sends the temperature parameter of gathering, the electrical parameter of LED illuminating device consumption to CPU; Third and fourth of CPU, five outputs are connected with the input of direct voltage/pwm voltage output circuit, relay circuit respectively, and direct voltage/pwm voltage is according to the waveform of CPU output, output dc voltage and pwm voltage; CPU is according to the program that makes in advance, and the output control signal drives relay, the output pulse width modulating wave; The 3rd input of CPU is connected with the output of other sensor circuit, and CPU receives the signal through sensor processing; The 6th output of CPU is connected with the input of voltage monitoring reset circuit, and the 4th input of CPU is connected with the output of voltage monitoring reset circuit; Relay is used to open or breaks off LED illuminating device power circuit.
2. LED control system according to claim 1; It is characterized in that: said power circuit comprises input general supply, power module, three terminal regulator and resistance, electric capacity; Wherein, The L end of input general supply, N end, EARTH end connect three pin of connector J2 respectively; The pin of J2 is connected with the end of fuse FU1, and the 2nd pin of J2 is connected with the input pin of AC-DC power module U13, and the 3rd pin of J2 is connected with the end of piezo-resistance V2, the 2nd input pin of U13, the input of temperature-electric quantity acquisition circuit; The other end of fuse FU1 is connected with the end of thermistor V1, the input of relay circuit, and the other end of thermistor V1 is connected with the other end of piezo-resistance V2, the 3rd pin of U13;
The 5th pin of AC-DC power module U13 is connected with the anode of the 1st pin of three terminal regulator U8, the negative terminal of voltage-stabiliser tube Z1, the 26th capacitor C 26, an end of the 15th capacitor C 15; The 3rd pin of three terminal regulator U8 is connected with an end of the anode of the 27th capacitor C 27, the 3rd capacitor C 3, the 3rd pin of three terminal regulator U4, and the 2nd pin of three terminal regulator U4 is connected with an end of an end of the anode of the 17th capacitor C 17, the 15th capacitor C 5, the 6th capacitor C 6, an end of the 7th capacitor C 7;
The 4th pin of AC-DC power module U13 is connected with the other end of the other end of the other end of the negative terminal of the anode of voltage-stabiliser tube Z1, the 26th capacitor C 26, the 15th capacitor C 15, the 2nd pin of three terminal regulator U8, the negative terminal of the 27th capacitor C 27, the 3rd capacitor C 3,1 pin of U4, the negative terminal of the 17th capacitor C 17, the other end of the 5th capacitor C 5, the 6th capacitor C 6, the other end of the 7th capacitor C 7.
3. LED control system according to claim 1; It is characterized in that: said direct voltage/pwm voltage output circuit comprises triode Q1, transport and placing device U1, resistance and electric capacity; Wherein the base stage of triode Q1 is connected with the output of CPU through the 1st resistance R the 1, the 13rd resistance R 13; The emitter of triode Q1 is connected with the anode of power circuit through the 16th resistance R 16, and the collector electrode of triode Q1 is connected with the power circuit negative terminal through the 5th resistance R 5;
The other end of the 1st resistance R 1 is connected with an end of the 2nd resistance R 2, an end of the 1st capacitor C 1, and the other end of the 2nd resistance R 2 is connected with an end of the 29th capacitor C 29, the positive pin of transport and placing device U1;
1 pin of transport and placing device U1 (LM258) is connected with power circuit through the 12nd capacitor C 12; The negative pin of U1 is connected with an end of an end of the 3rd resistance R 3, the 4th resistance R 4, an end of the 2nd capacitor C 2; The output pin of U1 is connected with the other end of the 4th resistance R 4, the other end of the 2nd capacitor C 2, the input pin of U1; The negative pin of another of U1 is connected with an end of another output pin, the 12nd resistance R 12, and the other end of the 12nd resistance R 12 is connected with the other end, the output interface J1 of the 37th resistance R 37;
The other end of the other end of the 1st capacitor C 1 and the other end of the 29th capacitor C 29, the 3rd resistance R 3, transport and placing device U1's---the interface of pin, J1, the input of power circuit are connected.
4. LED control system according to claim 1; It is characterized in that: said relay circuit comprises triode, diode, resistance; Wherein an end of the 18th resistance R 18 is connected with 22 pin of CPU (Fig. 2); The other end of the 18th resistance R 18 is connected with an end of the 25th resistance R 25, the base stage of triode Q2; The other end of the 25th resistance R 25 is connected with the 17th capacitor C 17 negative terminals of the emitter of triode Q2, power circuit, and the anode of the collector electrode of triode Q2 and diode D5, an end of K switch 1 are connected, and the anode of the negative terminal of the other end of K switch 1 and diode D5, the 26th capacitor C 26 of power circuit is connected.
5. LED control system according to claim 1 is characterized in that: the model of said CPU is LPC1112FHN33.
6. LED control system according to claim 1 is characterized in that: the model of said wireless remote transmission module is ZM2410.
7. LED control system according to claim 1 is characterized in that: the model of said voltage monitoring reset circuit is MAX706RESA.
8. according to claim a kind of LED control system is characterized in that: the model of said temperature/electric quantity acquisition circuit is CS5461AISZ.
9. LED control system according to claim 1 is characterized in that: the E28 that said concentrator adopts little spy to step; The model of transducer is ON9658.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110228662.0A CN102448222B (en) | 2011-08-10 | 2011-08-10 | LED control system for landscape illumination, backlight and general illumination |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110228662.0A CN102448222B (en) | 2011-08-10 | 2011-08-10 | LED control system for landscape illumination, backlight and general illumination |
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| CN102448222A true CN102448222A (en) | 2012-05-09 |
| CN102448222B CN102448222B (en) | 2014-07-09 |
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| CN201110228662.0A Active CN102448222B (en) | 2011-08-10 | 2011-08-10 | LED control system for landscape illumination, backlight and general illumination |
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| CN107339676A (en) * | 2016-11-14 | 2017-11-10 | 深圳市贝优通新能源技术开发有限公司 | A kind of tele-control system for Landscape Lighting |
| CN110362011A (en) * | 2019-07-17 | 2019-10-22 | 湖南联智桥隧技术有限公司 | The data acquisition box of integrated remote control switch |
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Also Published As
| Publication number | Publication date |
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| CN102448222B (en) | 2014-07-09 |
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