CN102448222B - 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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- CN102448222B CN102448222B CN201110228662.0A CN201110228662A CN102448222B CN 102448222 B CN102448222 B CN 102448222B CN 201110228662 A CN201110228662 A CN 201110228662A CN 102448222 B CN102448222 B CN 102448222B
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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 for Landscape Lighting, backlight and general illumination.
Background technology
The incomparable superiority of many conventional light source such as LED illumination has that luminous efficiency is high, power consumption is few, the life-span is long, photochromic pure, stability is high, 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 more complete industrial chain at present, and product is widely used in the fields such as Landscape Lighting, backlight and general illumination.
The control method of the existing LED for Landscape Lighting, backlight and general illumination is mainly out and closes two states to switch, and lights LED illumination and closes LED illumination, to reach control function.The control function of existing LED illuminating device has been brought problems, for example in the second half of the night, there is no a lot of pedestrians and vehicle, does not just need highlight illumination, now can reduce the brightness of illuminating device, saves energy.Because the control method of existing LED only has the above-mentioned switching of lighting or closing, can not control the brightness of illuminating device; In addition, in the time that illuminating device breaks down, need manually the LED illuminating device in described LED control system to be investigated one by one, waste electric energy, has increased cost of labor.
Summary of the invention
The object of this invention is to provide a kind of LED control system, described system makes full use of electronic technology, the communication technology, network technology, LED luminaire is organically coupled together, the LED control system that is used in Landscape Lighting, backlight and general illumination can be according to actual its brightness of service condition control, and can investigate rapidly the LED illuminating device breaking down in LED control system, realize effectively management and control.
Realizing technical scheme of the present invention is:
For the LED control system of Landscape Lighting, backlight and general illumination, formed 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 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 is also sent to CPU, and CPU processes 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 electrical parameter of the temperature parameter of collection, the consumption of LED illuminating device to CPU; CPU third and fourth, five outputs are connected with the input of direct voltage/pwm voltage output circuit, relay circuit respectively, direct voltage/pwm voltage is according to the waveform of CPU output, output dc voltage and pwm voltage; CPU is according to the program being equipped with in advance, and output control signal, drives relay, 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 transducer 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 for opening or disconnects LED illuminating device power circuit.
Described 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 connects respectively tri-pin of connector J2, a pin of J2 is connected with one end of fuse FU1, the 2nd pin of J2 is connected with an input pin of AC-DC power module U13, the 3rd pin of J2 and one end of piezo-resistance V2, the 2nd input pin of U13, the input of temperature-electric quantity acquisition circuit connects, one end of the other end of fuse FU1 and thermistor V1, the input of relay circuit connects, the other end of the other end of thermistor V1 and piezo-resistance V2, the 3rd pin of U13 connects,
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, one end of the 15th capacitor C 15, the 3rd pin of three terminal regulator U8 is connected with one 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 one end of one end of the anode of the 17th capacitor C 17, the 15th capacitor C 5, the 6th capacitor C 6, one 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.
Described 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 by the 1st resistance R 1, the 13rd resistance R 13, the emitter of triode Q1 is connected with the anode of power circuit by the 16th resistance R 16, and the collector electrode of triode Q1 is connected with power circuit negative terminal by the 5th resistance R 5;
The other end of the 1st resistance R 1 is connected with one end of the 2nd resistance R 2, one end of the 1st capacitor C 1, and the other end of the 2nd resistance R 2 is connected with one 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 by the 12nd capacitor C 12, the negative pin of U1 is connected with one end of one end of the 3rd resistance R 3, the 4th resistance R 4, one end of the 2nd capacitor C 2, an 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, another negative pin of U1 is connected with one 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 composition, wherein pulse-width modulation circuit, by the square wave of a 1kHz of CPU output, then consists of a grounded-base transistor output, and filter circuit adopts secondary RC low-pass filtering.
Described pwm voltage output circuit is the square wave that CPU part is exported a 1kHz, then by a grounded-base transistor output.
Described relay circuit comprises triode, diode, resistance, wherein one 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 one 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, one 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 described CPU is LPC1112FHN33, the model of described wireless remote transmission module is ZM2410, the model of described voltage monitoring reset circuit is MAX706RESA, and the model of described temperature/electric quantity acquisition circuit is CS5461AISZ, and described concentrator adopts micro-spy E28 advanced in years; The model of transducer is ON9658.
The present invention can realize Remote Open and close LED illuminating device, collects the electric weight that LED illuminating device consumes, accurately control the function of the brightness of LED illuminating device, realize energy-conservationly, reduce the object of discharge of carbon dioxide, realize the brightness of Long-distance Control LED illuminating device.The present invention can also tentatively judge fault point and the reason of illuminating device, has reduced labour cost, has reduced illumination cost.
The energy-saving effect (take street lamp as example) of system of the present invention is as following table:
Accompanying drawing explanation
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 schematic diagram;
Fig. 5 is direct voltage/pwm voltage output circuit schematic diagram;
Fig. 6 is wireless remote transmission module diagram;
Fig. 7 is power circuit schematic diagram;
Fig. 8 is relay circuit schematic diagram;
Fig. 9 is voltage monitoring reset circuit schematic diagram.
Embodiment
Referring to Fig. 1, for the LED control system of Landscape Lighting, backlight and general illumination, formed 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 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 is also sent to CPU, and CPU processes 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 electrical parameter of the temperature parameter of collection, the consumption of LED illuminating device to CPU; CPU third and fourth, five outputs are connected with the input of direct voltage/pwm voltage output circuit, relay circuit respectively, direct voltage/pwm voltage is according to the waveform of CPU output, output dc voltage and pwm voltage; CPU is according to the program being equipped with in advance, and output control signal, drives relay, 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 transducer 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 for opening or disconnects LED illuminating device power circuit.
Described DC voltage output circuit is made up of pulse-width modulation circuit+filter circuit, pulse-width modulation circuit is exported the square wave of a 1kHz by CPU part, then consist of a grounded-base transistor (triode Q1) output, filter circuit adopts secondary RC low-pass filtering mode.Wherein, the square wave that CPU part is exported a 1kHz obtains direct voltage through triode Q1 filtering, then presses through galvanic current of transport and placing device U1 output.
Described pwm voltage output circuit is the square wave that CPU part is exported a 1kHz, then by a grounded-base transistor output.
Power circuit described in the present embodiment adopts three-terminal voltage-stabilizing circuit, and model is 78M05 or LM1117.
The model of described temperature/electric quantity acquisition circuit is CS5461AISZ, the model of described voltage monitoring reset circuit is MAX706RESA, the model of described CPU is LPC1112FHN33, the model of described wireless remote transmission module is ZM2410, described relay circuit adopts single-pole single-throw(SPST open type relay, and described concentrator circuit adopts micro-spy E28 advanced in years; The model of transducer is ON9658.
Referring to Fig. 1-Fig. 9
Referring to Fig. 2, 3 pin of CPU (LPC1112FHN33) respectively with one end of resistance R 31, one end of switch S 6 connects, the other end of R31 is connected with the anode of the capacitor C 17 in power circuit (Fig. 7), the other end of switch S 6 is connected with 1 pin in power circuit (Fig. 7), one end of 4 pin of CPU and crystal oscillator module Y1 (49/S-12MHz), one end of capacitor C 18 in cpu circuit connects, 5 pin of CPU and the other end of Y1, one end of capacitor C 19 in cpu circuit connects, the other end of capacitor C 18 in cpu circuit and the other end of C19, 1 pin of the C17 of power circuit (Fig. 7) connects, 6 pin in cpu circuit are connected with the anode of the capacitor C 17 in power circuit (Fig. 7), 18 pin in cpu circuit are connected with one end of resistance R 34, the other end of resistance R 34 is connected with the anode of the capacitor C 17 in power circuit (Fig. 7), 29 pin in cpu circuit are connected with one end of one end of inductor L1, capacitor C 28, the other end of inductor L1 is connected with the anode of the capacitor C 17 in power circuit (Fig. 7), the other end of the capacitor C 28 in cpu circuit is connected with 1 pin of the three terminal regulator U4 (LM1117) in power circuit (Fig. 7), and 33 pin of CPU are connected with 1 pin of the U4 in power circuit (Fig. 7).
Referring to Fig. 3, the anode of the capacitor C 27 of the three terminal regulator U8 (78M05) in one end, the power circuit of 1 pin of bus driver U3 (74LVC245) and 20 pin, capacitor C 13 is connected, and 2 pin of the U8 in the other end, the power circuit of 10 pin of U3 and 19 pin, capacitor C 13 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, 8 pin of U3 are connected with 18 pin in CPU (Fig. 2), 9 pin of U3 are connected with 15 pin in CPU (Fig. 2), 11 pin of U3 are connected with 5 pin of the electric energy computation chip U5 (CS5461AISZ) in temperature-electric quantity acquisition part, 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.
In 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, the anode of the capacitor C 27 of three terminal regulator U8 (78M05) is connected, and 3 pin of U5 are connected with one end of the other end of resistance R 14, capacitor C 4; The negative terminal of the capacitor C 27 in 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, one end, Fig. 7 of capacitor C 25 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 one 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 one end of resistance R 10, one end of the other end of resistance R 10 and resistance R 30, 17 pin of CPU (Fig. 2) connect, 20 pin of U5 are connected with one end of resistance R 11, one end of the other end of resistance R 11 and resistance R 35, 20 pin of CPU (Fig. 2) connect, 21 pin of U5 are connected with one end of resistance R 32, one end of the other end of resistance R 32 and resistance R 38, 7 pin of CPU (Fig. 2) connect, 22 pin of U5 are connected with one end of resistance R 33, one end of the other end of resistance R 33 and resistance R 36, 16 pin of CPU (Fig. 2) connect, the other end of the other end of resistance R 30 and resistance R 35, the other end of resistance R 36, the other end of resistance R 38, the negative terminal of the capacitor C 27 in Fig. 7 connects.
1 pin of the K switch 1 in 1 pin, Fig. 8 of current sensor CT1 (ZMCT103C) connects, 3 pin of CT1 are connected with one end of one 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, one end of resistance R 22, one 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 N of the power supply of illuminating device end.
4 pin of PT1 are connected with one end of one end of resistance R 24, resistance R 6,2 pin of PT1 are connected with one 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, one 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 capacitor C 27 in the other end, Fig. 7 of the other end of capacitor C 20 and capacitor C 21 is connected.
4 pin of CT1 are connected with one end of one end of resistance R 27, resistance R 8,2 pin of PT1 are connected with one 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, one 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 capacitor C 27 in the other end, Fig. 7 of the other end of capacitor C 22 and capacitor C 23 is connected.
With reference to Fig. 1 and Fig. 4
Fig. 4 has shown the connecting circuit of transducer coupling part.
Concrete connection is as follows: 1 pin of connector J4 (KF103-3P) is connected with one end of 3 pin, resistance R 39, one end of resistance R 40, and 2 pin of J4 are connected with the anode of the capacitor C 17 in Fig. 7.
The other end of resistance R 40 is connected with the anode of capacitor C 31, one end of capacitor C 32,21 pin of CPU (Fig. 2), and the negative terminal of the capacitor C 17 in the negative terminal of the other end of resistance R 39 and capacitor C 31, the other end, Fig. 7 of capacitor C 32 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 composition, wherein pulse-width modulation circuit, by the square wave of a 1kHz of CPU output, then consists of a grounded-base transistor output, and filter circuit adopts secondary RC low-pass filtering.
Concrete connection is as follows: the base stage of triode Q1 is connected with one end of resistance R 13, one end of resistance R 16, the other end of resistance R 13 is connected with one end of resistance R 1,23 pin of CPU (Fig. 2), the negative terminal of the capacitor C 17 in the other end, Fig. 7 of the emitter of triode Q1 and resistance R 16 is connected, the collector electrode of triode Q1 is connected with one end of resistance R 5, one end of resistance R 37, and the other end of resistance R 5 is connected with the anode of the capacitor C 27 in Fig. 7.
The other end of resistance R 1 is connected with one end of resistance R 2, one end of capacitor C 1, and the other end of resistance R 2 is connected with one end of capacitor C 29,3 pin of module U1.
8 pin of transport and placing device U1 (LM258) are connected with 1 pin of the U8 in one end, Fig. 7 of capacitor C 12, the other end of capacitor C 12 is connected with 2 pin of the U8 in Fig. 7,2 pin of U1 are connected with one end of one end of resistance R 3, resistance R 4, one 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 U1,6 pin of U1 are connected with one 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 the capacitor C 17 in 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, Fig. 7 of J1 is connected.
With reference to Fig. 1 and Fig. 6
Fig. 6 has shown the connecting circuit of wireless remote transmission module section.
Concrete connection is as follows: 1 pin of wireless remote transmission module U7 (ZM2410) is connected with the anode of the capacitor C 27 in Fig. 7,2 pin of U7 are connected with the negative terminal of the capacitor C 27 in 11 pin, Fig. 7,6 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.
Concrete connection is as follows: the L end of input general supply, N end, EARTH end connect respectively 1 pin, 3 pin, 2 pin of connector J2 (KF103-3P), 1 pin of J2 is connected with one end of fuse FU1,2 pin of J2 are connected with 1 pin of AC-DC power module U13 (HD022), 3 pin of PT1 in 2 pin, Fig. 3 of 3 pin of J2 and one end of piezo-resistance V2, U13 are connected, 3 pin of the K switch 1 in one end, Fig. 8 of the other end of FU1 and thermistor V1 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, one end of capacitor C 15,3 pin of U8 are connected with one 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 one end of the anode of capacitor C 17, capacitor C 5, one end of capacitor C 6, one 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.
Concrete connection is as follows: one end of resistance R 18 is connected with 22 pin of CPU (Fig. 2), the other end of resistance R 18 is connected with one end of resistance R 25, the base stage of triode Q2, the negative terminal of the capacitor C 17 in emitter, Fig. 7 of the other end of resistance R 25 and triode Q2 is connected, the anode of the collector electrode of triode Q2 and diode D5,4 pin of K switch 1 are connected, and 5 pin of K switch 1 are connected with the anode of the capacitor C 26 in negative terminal, Fig. 7 of diode D5.
With reference to Fig. 1 and Fig. 9
Fig. 9 has shown the connecting circuit of voltage monitoring reset circuit part.
Concrete connection is as follows: 1 pin of voltage monitoring reset circuit U11 (MAX706RESA) and one end of resistance R 26, one end of switch S 1 connects, 2 pin of U11 and one end of capacitor C 11, the other end of switch S 1, the anode of the capacitor C 17 in Fig. 7 connects, 3 pin of U11 and the other end of capacitor C 11, one end of resistance R 17, one end of capacitor C 16, the negative terminal of the capacitor C 17 in Fig. 7 connects, 4 pin of U11 with at the other end of R17, one end of resistance R 19 connects, the other end of resistance R 19 is connected with the anode of the capacitor C 26 in Fig. 7, 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 one end of resistance R 29, the other end of the other end of resistance R 29 and capacitor C 16, 2 pin of CPU (Fig. 2) connect, 8 pin of U11 are connected with the other end of resistance R 26.
The course of work of system of the present invention is:
LED circuit has gathered the analog signals such as temperature, electric weight, light, is uploaded to cpu circuit; CPU processes according to ready-made program the signal that each device uploads and (comprises bus driver U3 (74LVC245), the analog signal that the light signal that the digital signal that the temperature collecting, electric quantity signal are converted to, the digital signal that wireless module passes, transducer handle collect converts to etc., according to ready-made program, exporting corresponding digital signal (comprises that control relay opens and closes, and then controls the Kai Heguan of illuminating device; In addition, the 23 pin output pulse width modulated square waves of CPU, by direct voltage-pwm voltage output circuit output dc voltage or pwm voltage, regulate the power supply of LED illuminating device, and then regulate the brightness of illuminating device, reach energy-conservation object.Temperature, energy information that system storage collects, with wireless module communication, be uploaded to concentrator treated data by wireless remote transmission module.The prefabricated program of CPU arranged according to the time period of the brightness of illuminating device, current strength, work, as the brightness of illuminating device being 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, according to default time period program, proceeds to the scheduled time when the time, and opening program regulates the brightness of illuminating device, as in 20:00 brightness for entirely bright, be that 50%, 5:00 brightness is 20% etc. in 1:00 brightness; Enter into when need to adjusting brightness when the time, CPU is according to prefabricated time and program, the square wave of output 1kHz, by 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: in the time reaching predetermined time or control program, CPU exports high level, by relay circuit, opens relay, switches on power, and opens illuminating device; Need to close illuminating device: in the time reaching predetermined time or control program, CPU output low level, by relay circuit, closed relay, deenergization, cuts out illuminating device.
When special circumstances, open illuminating device etc. as needed by day, can send digital signal by concentrator, pass to CPU by wireless module, then CPU, according to the prefabricated relay program of opening, opens relay, open illuminating device, LED illuminating device is opened, LED lamp is bright.
Work as special circumstances, open illuminating device etc. during as needed by day, send digital signal by concentrator, pass to CPU by wireless module, CPU, according to prefabricated control program, exports the square wave of 1kHz, by 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.
System, according to the light signal gathering, judges whether site environment meets the condition that opens or closes illuminating device, then opens relay or closed relay according to prefabricated program, and then controls the Kai Heguan of illuminating device.
Judgement when illuminating device breaks down: in the time breaking down, now the temperature of system or electric weight can have greatly changed, temperature and electric quantity signal are sent in CPU by temperature/electric quantity acquisition circuit, CPU is according to prefabricated malfunction routine judgement, when temperature, electric weight occur extremely, the temperature that ought collect exceedes set point, as exceedes 90 ℃ and be just judged as irregular working, when the electric weight collecting does not reach set point, as the rated value lower than 70% illuminating device is just judged as irregular working.Be malfunction when being judged as illuminating device, CPU output low level, passes through relay circuit, closed relay, deenergization, cuts out illuminating device, then the data-signal after judgement is uploaded to concentrator by wireless module, fault message is stored in CPU for inquiry simultaneously.Repairman, by the information of inquiry concentrator, can obtain the preliminary information such as particular location of out of order illuminating device, then further processes.
Title, model that table 1 is 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 | Wireless remote transmission module | ZM2410 |
| U8 | Three terminal regulator | 78M05 |
| U11 | Voltage monitoring reset circuit | MAX706RESA |
| U13 | 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 (8)
1. the LED control system for Landscape Lighting, backlight and general illumination, it is characterized in that: formed 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 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 is also sent to CPU, and CPU processes 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 electrical parameter of the temperature parameter of collection, the consumption of LED illuminating device to CPU; CPU third and fourth, five outputs are connected with the input of direct voltage/pwm voltage output circuit, relay circuit respectively, direct voltage/pwm voltage output circuit is according to the waveform of CPU output, output dc voltage and pwm voltage; CPU is according to the program being equipped with in advance, and output control signal, drives relay, 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 transducer 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 for opening or disconnects LED illuminating device power circuit;
Described relay circuit comprises triode, diode, resistance, wherein one end of the 18th resistance (R18) and 22 pin of CPU are connected, one end of the other end of the 18th resistance (R18) and the 25th resistance (R25), the base stage of the 2nd triode (Q2) connects, the emitter of the other end of the 25th resistance (R25) and the 2nd triode (Q2), the 17th electric capacity (C17) negative terminal of power circuit connects, the anode of the collector electrode of the 2nd triode (Q2) and diode (D5), one end of switch (K1) connects, the negative terminal of the other end of switch (K1) and diode (D5), the anode of the 26th electric capacity (C26) of power circuit connects.
2. LED control system according to claim 1, it is characterized in that: described 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 connects respectively three pin of connector (J2), the 1st pin of connector (J2) is connected with one end of fuse (FU1), the 2nd pin of connector (J2) is connected with the 1st input pin of AC-DC power module (U13), the 3rd pin of connector (J2) and one end of piezo-resistance (V2), the 2nd input pin of AC-DC power module (U13), the input of temperature-electric quantity acquisition circuit connects, one end of the other end of fuse (FU1) and thermistor (V1), the input of relay circuit connects, the other end of the other end of thermistor (V1) and piezo-resistance (V2), the 3rd pin of AC-DC power module (U13) connects,
The 5th pin of AC-DC power module (U13) and the 1st pin of the 2nd three terminal regulator (U8), the negative terminal of voltage-stabiliser tube (Z1), the anode of the 26th electric capacity (C26), one end of the 15th electric capacity (C15) connects, the 3rd pin of the 2nd three terminal regulator (U8) and the anode of the 27th electric capacity (C27), one end of the 3rd electric capacity (C3), the 3rd pin of the 1st three terminal regulator (U4) connects, the 2nd pin of the 1st three terminal regulator (U4) and the anode of the 17th electric capacity (C17), one end of the 5th electric capacity (C5), one end of the 6th electric capacity (C6), one end of the 7th electric capacity (C7) connects,
The 4th pin of AC-DC power module (U13) and the anode of voltage-stabiliser tube (Z1), the negative terminal of the 26th electric capacity (C26), the other end of the 15th electric capacity (C15), the 2nd pin of three terminal regulator (U8), the negative terminal of the 27th electric capacity (C27), the other end of the 3rd electric capacity (C3), the 1st pin of the 1st three terminal regulator (U4), the negative terminal of the 17th electric capacity (C17), the other end of the 5th electric capacity (C5), the other end of the 6th electric capacity (C6), the other end of the 7th electric capacity (C7) connects.
3. LED control system according to claim 1, it is characterized in that: described direct voltage/pwm voltage output circuit comprises the 1st triode (Q1), transport and placing device (U1), resistance and electric capacity, wherein the base stage of the 1st triode (Q1) is connected with the output of CPU by the 1st resistance (R1), the 13rd resistance (R13), the emitter of the 1st triode (Q1) is connected with the anode of power circuit by the 16th resistance (R16), and the collector electrode of the 1st triode (Q1) is connected with power circuit negative terminal by the 5th resistance (R5);
The other end of the 1st resistance (R1) is connected with one end of the 2nd resistance (R2), one end of the 1st electric capacity (C1), and the other end of the 2nd resistance (R2) is connected with one end of the 29th electric capacity (C29), the positive pin of transport and placing device (U1);
8 pin of transport and placing device (U1) are connected with power circuit by one end of the 12nd electric capacity (C12), one end of the negative pin of transport and placing device (U1) and the 3rd resistance (R3), one end of the 4th resistance (R4), one end of the 2nd electric capacity (C2) connects, output pin of transport and placing device (U1) and the other end of the 4th resistance (R4), the other end of the 2nd electric capacity (C2), the input pin of transport and placing device (U1) connects, another negative pin and another output pin of transport and placing device (U1), one end of the 12nd resistance (R12) connects, the other end of the other end of the 12nd resistance (R12) and the 37th resistance (R37), output interface (J1) connects,
The other end of the other end of the 1st electric capacity (C1) and the 29th electric capacity (C29), the other end of the 3rd resistance (R3), transport and placing device (U1)-pin, the interface of output interface (J1), the input of power circuit be connected.
4. LED control system according to claim 1, is characterized in that: the model of described CPU is LPC1112FHN33.
5. LED control system according to claim 1, is characterized in that: the model of described wireless remote transmission module is ZM2410.
6. LED control system according to claim 1, is characterized in that: the model of described voltage monitoring reset circuit is MAX706RESA.
7. LED control system according to claim 1, is characterized in that: the model of described temperature/electric quantity acquisition circuit is CS5461AISZ.
8. LED control system according to claim 1, is characterized in that: described concentrator adopts micro-spy E28 advanced in years; 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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| 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 CN102448222A (en) | 2012-05-09 |
| CN102448222B true CN102448222B (en) | 2014-07-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105208725A (en) * | 2015-09-10 | 2015-12-30 | 安徽弘宇照明科技有限公司 | Wireless-network-interconnected type streetlamp device |
| 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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