CN203219571U - LED lamp control device powered by solar energy - Google Patents
LED lamp control device powered by solar energy Download PDFInfo
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- CN203219571U CN203219571U CN2013201779926U CN201320177992U CN203219571U CN 203219571 U CN203219571 U CN 203219571U CN 2013201779926 U CN2013201779926 U CN 2013201779926U CN 201320177992 U CN201320177992 U CN 201320177992U CN 203219571 U CN203219571 U CN 203219571U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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Abstract
The utility model provides an LED lamp control device powered by solar energy. The device comprises an intelligent controller as well as a solar energy battery, a storage battery and an LED lamp which are connected to the intelligent controller. The solar energy battery, the storage battery and the LED lamp are connected one by one. The device provided by the utility model uses the intelligent controller to monitor work status of the solar energy battery, the storage battery and the LED lamp in real time and to adjust the work status of the three parts according to the detected work status in real time, so that stable operation of the system can be ensured in different work environments. The device provided by the utility model can perform switch control according to real-time status, which significantly improves the work efficiency of the solar energy battery, extends the service lives of the storage battery and the LED lamp, and is better in energy saving and environmental protection.
Description
Technical field
The utility model belongs to the Application of Solar Energy field, is specifically related to a kind of solar powered LED lamp control device.
Background technology
The energy is the core drive that there is and keeps development in the world today; along with factors such as the expansion of social productive forces, development of science and technology, Increase of population; human demand to the energy is also in continuous growth; the world today has been faced with the contradiction of demand for energy growth and fossil energy shortage, and the energy crisis in the global range also becomes increasingly conspicuous.Fossil energies such as the human present coal that utilizes, oil and natural gas are in the last hundred years the consumption growing trend that tends towards stability substantially, and fossil energy will be petered out in the near future.According to the calculating of present explored reserves with year yield, China's fossil energy oil, natural gas, coal also can only consume about 100 years.The fossil energy in the whole world also can only consume about the centuries.Meanwhile, along with the use of a large amount of fossil energies, it is more and more worse that the environment of our human living also becomes.Exceeding standard of a lot of days PM2.5 arranged in 1 year, and the weather of the big city municipalization half a year as the Beijing and Shanghai is haze weather.Because the vehicles such as automobile, aircraft use fossil energy in a large number, the great amount of carbon dioxide that the fossil energy burning produces directly is discharged into and causes global greenhouse effect in the atmosphere, unusual weather conditions.The greenhouse gases quantity of whole world generation every day is in hundred million at present, if or else the mankind are controlled, so global temperature will continue high, glacier, the two poles of the earth will be melted, to rise in the sea level, large stretch of coastal land can be submerged, and human lives's terrestrial space all will be reduced greatly.Energy problem becomes the bottleneck of restriction socio-economic development day by day; under the dual-pressure that energy crisis and the human ecological environment of sternness runs down; develop reproducible green energy resource; gradually reduce the utilization of fossil energy; protect earth environment and ecology that the mankind depend on for existence; become the hot issue of countries in the world common concern, the research and development utilization of various renewable green energy resources has been developed rapidly.
Solar energy is with inexhaustible, nexhaustible and do not have a unique advantage of any pollution in the present renewable green energy resource of studying.The annual solar radiation that the arrives earth top 130,000,000,000,000 tons of standard coals that are equivalent to burn, and widely distributed, renewable, do not pollute the environment, become the desirable renewable green energy resource in the whole world.China is the abundant country of solar energy resources, and except the Sichuan Basin and neighboring region thereof, most areas have abundant solar energy resources, and the solar radiation energy 17,000 hundred million tons of standard coals that are equivalent to burn are accepted on land every year.
Solar energy is a kind of very desirable clean energy resource.The illumination that grows on trees on the earth is so drawing materials of solar energy is also very convenient.In the past, because science and technology is undeveloped, solar energy is not all well utilized in a period of time.In recent years, owing to becoming increasingly conspicuous of the energy, environmental problem, people are also more and more to the concern of solar energy.The application of solar energy and universal getting over to important of also becoming.If can reasonably utilize solar energy, then will provide the sufficient energy for the mankind.Solar energy mainly comes from two aspects as the application of energy technology: a kind of is the application that solar energy is converted into heat energy, such as the solar water heater of relatively popularizing now.Another kind of then be to be the application of electric energy with conversion of solar energy, mainly be solar power generation.Present subject matter is, the utilization of solar energy conversion thermal energy since conversion of solar energy to be the efficient of heat energy lower, power is not very big; Be exactly in addition the application-dependent of solar energy in the variation of weather, solar energy just can not normally use the cloudy day.Range of application is subjected to the constraint in region and season.Conversion of solar energy is that the utilization of electric energy is higher owing to the solar cell cost, and power is lower.
LED more and more is being subjected to liking of people as a kind of novel green light source product.LED has energy-saving and environmental protection, the life-span is long, response speed is fast, luminous efficiency is high, with advantages such as dc powered.LED best embodies its energy saving in the application of lighting field except the demonstration that is widely used in electronic equipment, display screen.Illumination at present consumes and accounts for 20% of whole power consumption, and significantly reducing electric consumption on lighting is the important channel of energy savings.The combination of solar energy generation technology and LED lighting technology will make up green society and contribute.
The solar LED street lamp controller of Cun Zaiing in the market, have some basic problems like this: the service efficiency of solar cell is not high, and the useful life of storage battery is not long, the LED street lamp brightness can be with the change of environment change etc.These all influence the popularization of solar LED lighting technology.
The utility model content
The utility model provides a kind of efficient height, long solar powered LED lamp control device of life-span at the deficiencies in the prior art.
The utility model is achieved by the following technical solution:
A kind of solar powered LED lamp control device comprises an intelligent controller, and the solar cell that links to each other with intelligent controller, storage battery and LED street lamp, and solar cell, storage battery and LED street lamp link to each other successively.
Further, described intelligent controller comprises:
One power module is for the operating voltage that battery tension is converted to each module; Power module links to each other with storage battery;
One voltage and current measurement module is used for measuring the voltage and current of solar cell output, and the voltage and current of measuring storage battery output;
One temperature-measuring module is used for measures ambient temperature;
One clock module is used for providing current time information;
One charge in batteries module is used for the control solar cell and is switched on or switched off and charges a battery; One end of charge in batteries module links to each other with solar cell, and the other end links to each other with storage battery;
One LED street lamp driver module is used for the control storage battery and is switched on or switched off the street lamp power supply, road lamp power supply to LED, and the brightness of regulating the LED street lamp; One end of LED street lamp driver module links to each other with storage battery, and the other end links to each other with the LED street lamp;
One single-chip microcomputer is used for the measurement result according to the voltage and current measurement module, to charge in batteries module and LED street lamp driver module sending controling instruction; According to the measurement result of temperature-measuring module, accumulators carries out temperature-compensating in real time; And according to the temporal information that clock module is exported, call the brightness that LED street lamp driver module is regulated the LED street lamp;
Single-chip microcomputer all links to each other with power module, voltage and current measurement module, temperature-measuring module, clock module, charge in batteries module and LED street lamp driver module.
Solar powered LED lamp control device described in the utility model is by adopting intelligent controller, can monitor the operating state of solar cell, storage battery and LED street lamp in real time, and regulate the operating state of various piece in real time according to the operating state of monitoring, guarantee that system can stable operation under the different operating environment.The utility model carries out corresponding switching controls according to virtual condition, can significantly improve the operating efficiency of solar cell, prolongs the useful life of storage battery, energy-conserving and environment-protective more.
Description of drawings
Fig. 1 is the structured flowchart of solar powered LED lamp control device described in the utility model;
Fig. 2 is the structured flowchart of intelligent controller described in the utility model;
Fig. 3 is the circuit diagram of power module;
Fig. 4 is the circuit diagram of temperature-measuring module;
Fig. 5 is the circuit diagram of clock module;
Fig. 6 is the circuit diagram of charge in batteries module;
Fig. 7 be LED street lamp driver module circuit diagram.
Embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the utility model provides a kind of solar powered LED lamp control device, comprises an intelligent controller, and the solar cell that links to each other with intelligent controller, storage battery and LED street lamp, solar cell, storage battery and LED street lamp etc.The LED street lamp is made up of a plurality of light-emitting diodes.
Wherein, solar cell is core component, the electric energy that the electric energy of whole system is finally all changed from solar cell.The main effect of solar cell in system has: (1) when solar irradiation was sufficient, solar cell was that chemical energy is stored in the storage battery with conversion of solar energy; (2) when solar irradiation is inadequate, intelligent controller can judge whether by the height of solar cell output voltage to light the LED street lamp.
How many charge capacities of storage battery is, how much power of LED is, the capacity of these parts will choose when carrying out the solar LED street lamp design, takes all factors into consideration from various aspects such as cost, benefit and reliabilities.Because the charge capacity of storage battery is limited, consider continuously the influence that overcast and rainy situation is fashionable to LED street lamp and batteries, when designing, to leave surplus.Storage battery plays transition cache in whole system, and store solar cell and transform formed electric energy, and to LED street lamp and controller power supply.Determined the working life of solar powered LED lamp control device the useful life of storage battery, the utility model has following requirement to storage battery: (1) has enough charge capacities for LED street lamp and intelligent controller work; (2) can determine dump energy by measuring the storage battery output voltage; (3) long service life, operating temperature range is wide, can reduce maintenance, and is cheap.
Intelligent controller is to prevent from accumulator super-charge and cross putting, and the control solar cell is realized the equipment of solar cell MPPT maximum power point tracking, also has measurement function and control LED street lamp function simultaneously.Intelligent controller mainly contains following three partial functions: the charging of (1) control lead accumulator syllogic, charge in batteries and discharge are carried out Real-time Monitor Management, to improve the life of storage battery; (2) according to the ambient condition that detects, intelligent control LED road lamp switch; (3) mode of operation of intelligent set LED street lamp; (4) the control solar cell is exported with maximum power.
Intelligent controller described in the utility model as shown in Figure 2.Concretely, intelligent controller among Fig. 2 comprises single-chip microcomputer (as AT89C51 single-chip microcomputer etc.), and the power module that links to each other with single-chip microcomputer, voltage and current measurement module, temperature-measuring module, clock module, charge in batteries module and LED street lamp driver module.Power module is for the operating voltage that battery tension is converted to each module; Power module links to each other with storage battery; The voltage and current measurement module is used for measuring the voltage and current of solar cell output, and the voltage and current of measuring storage battery output; Temperature-measuring module is used for measures ambient temperature, and clock module is used for providing current time information; The charge in batteries module is used for the control solar cell and begins or stop to charge a battery; One end of charge in batteries module links to each other with solar cell, and the other end links to each other with storage battery; LED street lamp driver module is used for the control storage battery and begins or stop the street lamp power supply, road lamp power supply to LED, and the brightness of regulating the LED street lamp; One end of LED street lamp driver module links to each other with storage battery, and the other end links to each other with the LED street lamp; Single-chip microcomputer is used for the measurement result according to the voltage and current measurement module, to charge in batteries module and LED street lamp driver module sending controling instruction; According to the measurement result of temperature-measuring module, accumulators carries out temperature-compensating in real time; And according to the temporal information that clock module is exported, call the brightness that LED street lamp driver module is regulated the LED street lamp.
Operation principle and the process of intelligent controller described in the utility model are as follows:
Detect voltage and the electric current of solar cell and storage battery, judge it is daytime or evening now by the voltage at solar cell two ends, being used for difference is that the control solar cell charges a battery at this moment, or storage battery is given the LED street lamp power supply, road lamp power supply.
When solar cell charges a battery, determine whether charge, adopt which kind of charging method according to the both end voltage of solar cell and the height of battery tension again, and the temperature of monitoring environment and corresponding electric current and voltage, carry out corresponding temperature-compensating.
When storage battery is given the LED street lamp power supply, road lamp power supply, judge whether the street lamp power supply, road lamp power supply to LED by voltage and the electric current that detects the storage battery two ends.By judging whether to need to regulate the output duty cycle of PWM detection time, regulate the brightness of LED street lamp.
Above-mentioned detection, judgement and control function all can realize by hardware circuit, adopt the STC89C51 single-chip microcomputer such as single-chip microcomputer.
Power module circuitry as shown in Figure 3.Power module adopts three-terminal voltage-stabilizing integrated chip L7805 and ICL7660 chip to realize.It is few that three-terminal voltage-stabilizing chip L7805 forms the required peripheral cell of stabilized voltage power supply; circuit is inner to also have overcurrent, overheated and adjust the protective circuit of pipe; operating temperature range: 0 ° of C is to+150 ° of C; maximum mains voltage 20V; minimum power source voltage 8V, maximum output current 1.5A, and have stable 5V voltage output; use reliably, conveniently, and low price.ICL7660 is small-power polarity inversion power supply changeover device, the quiescent current representative value is 170 μ A, input voltage range is 1.5V-10V, operating frequency is the small size electric capacity that 10 kHz only need external 10 μ F, only need the small size capacitance efficiency of external 10 μ F to close power output up to 98% and can reach 700mW, have stable-5V voltage output.The little electric capacity of 0.1 μ F is that high-frequency filter capacitor is removed High-frequency Interference in the circuit, and the big electric capacity of 100 μ F is low frequency filtering electric capacity, and main effect is to remove power supply low-frequency ripple, stabilized power supply.
The circuit of temperature-measuring module as shown in Figure 4.Temperature-measuring module adopts DS18B20 monobus digital sensor to measure temperature.DS18B20 is the three-wire type single wire bus device, and unibus system has only the holding wire of a definition, and the device that hangs on the bus must be open-drain or ternary output.The monobus port DQ of DS18B20 is the open-drain type.Monobus needs the pull-up resistor about an external 5K Ω.Idle condition is high level.If the bus low level time is greater than 480uS, device will be reset on the bus.Its supply power mode has parasitic supply power mode and external supply power mode, and temperature range is-30 ℃-125 ℃, adopts the external power supply supply power mode.The external power supply mode is the VDD pin access 5V external power source from DS18B20.At this moment do not draw on not needing by force on the monobus, and bus is not used in total high level that keeps of temperature transition time.
The circuit of clock module as shown in Figure 5.Clock module adopts DS1302 to set up clock circuit.DS1302 is the trickle charge clock chip that DALLAS company releases, contain a real-time clock/calendar and 31 byte static RAM (SRAM)s, communicate by simple serial line interface and single-chip microcomputer, real-time clock/calendar circuit provide second, branch, the time, day, date, the moon, year information, every month fate and the fate in leap year can be adjusted automatically, clock operation can determine by the AM/PM indication, adopt 24 or 12 hours forms.Can adopt the mode of synchronous serial to communicate between DS1302 and the single-chip microcomputer simply, only need use that three mouth line RE reset, I/O data wire, SCLK serial clock, the read/write data of RAM with a byte or nearly the character group mode of 31 bytes communicate by letter.Power consumption is very low during DS1302 work, and power is less than 1mW when keeping data and clock information.The duplicate supply pin is used for providing main power source and backup battery.
The charge in batteries module as shown in Figure 6.Adopt power field effect transistor as switching device, it has better characteristic than transistor and metal-oxide-semiconductor field effect transistor, is the field-effect transistor in high-power range applications, and it is also referred to as power MOSFET.It has higher switching speed; Have wideer safety operation area and can not produce focus, and have positive temperature coefficient of resistance; Has higher reliability; Has stronger overload capacity; Short-time overload capacity is 4 times of common rated value; Have higher cut-in voltage, namely threshold voltage can reach 2 ~ 6V (generally between 1.5V ~ 5V); When ambient noise is higher, can select the higher pipe of threshold voltage for use, to improve antijamming capability; Otherwise, when noise is low, select the lower pipe of threshold voltage for use, to reduce required input drive signal voltage; Because it is voltage control device, have very high input impedance, so its driving power is very little, require lower to drive circuit.Power field effect transistor has in fields such as electric machine speed regulation, Switching Power Supplies very widely to be used.
As shown in Figure 6, the circuit of this charge in batteries module adopts the IRF4905 power field effect transistor, and it has ultralow conducting resistance, dynamic dv/dt rated value, and 175 ° of C working temperatures are switched fast, VDDS=-55V, conducting resistance is RDS=0.02 Ω, ID=-74A.IRF4905 leads the enhancement mode MOSFET that field-effect transistor is the P raceway groove, and it has three levels is respectively grid g, source electrode s and drain electrode d.Have only the voltage of working as between source electrode and the grid greater than cut-in voltage VT, the pipe conducting, the voltage between source electrode and the drain electrode is greater than 0, and then electric current flows to drain electrode from source electrode.Voltage between source electrode and the grid is more big, and conductive capability is more strong, and drain current is just more big.But the voltage between source electrode and the grid is excessive, can damage device.Field-effect transistor is the voltage control current device, about the general 10V of driving voltage, in order to protect field-effect transistor, so connect the voltage-stabiliser tube of a 15V over the ground at grid.
As shown in Figure 6, the triode in the charge in batteries module all is that concrete control procedure is as follows as switch control:
When solarpwm output high level, triode Q1 conducting, triode Q2 conducting, field effect transistor Q3 conducting, the solar energy positive pole links to each other with the positive pole of lead acid accumulator, and this moment, solar cell charged a battery.
When the solarpwm output low level, not conducting of triode Q1, not conducting of triode Q2, not conducting of field effect transistor Q3, the anodal positive pole with lead acid accumulator of solar energy disconnects, and this moment, solar cell stopped to charge a battery.
D1 is anti-recoil diode.The voltage that prevents solar cell is during less than the voltage of storage battery, and storage battery prevents that to rechargeable solar battery device is damaged.
The circuit of LED street lamp driver module as shown in Figure 7.This module mainly is that the control storage battery is powered to LED efficiently.This patent adopts the IRF3205 power field effect transistor as switching device, and it is the increase type MOSFET of N raceway groove, has ultralow conducting resistance RDS=8m Ω, 175 ° of C working temperatures, switch peak on voltage VDSS=55V, maximum conducting electric current I D=110A fast.Because will be according to the brightness of environment change LED street lamp, so adopt the PWM control technology.
The circuit of LED street lamp driver module as shown in Figure 7, its control course of work as follows:
When ledpwm end output low level, triode Q5 ends, field effect transistor Q4 conducting, and battery positive voltage links to each other with LED is anodal, and storage battery is given the LED street lamp power supply, road lamp power supply, and LED (D19) street lamp is lighted.
When ledpwm end output high level, triode Q5 conducting, field effect transistor Q4 conducting, storage battery and LED are anodal to be disconnected, and storage battery stops the street lamp power supply, road lamp power supply to LED, and LED (D19) street lamp extinguishes.
R24 is divider resistance, prevents that the voltage at LED street lamp two ends from surpassing its rated voltage.Regulate the brightness of street lamp according to environment by the different pwm signal of the duty ratio of Single-chip Controlling ledpwm end output.
The utility model not only is confined to above-mentioned embodiment; persons skilled in the art are according to the disclosed content of the utility model; can adopt other multiple embodiment to implement the utility model; therefore; every employing project organization of the present utility model and thinking; do some simple designs that change or change, all fall into the scope of the utility model protection.
Claims (2)
1. a solar powered LED lamp control device is characterized in that, comprises an intelligent controller, and the solar cell that links to each other with intelligent controller, storage battery and LED street lamp, and solar cell, storage battery and LED street lamp link to each other successively.
2. solar powered LED lamp control device according to claim 1 is characterized in that described intelligent controller comprises:
One power module is for the operating voltage that battery tension is converted to each module; Power module links to each other with storage battery;
One voltage and current measurement module is used for measuring the voltage and current of solar cell output, and the voltage and current of measuring storage battery output;
One temperature-measuring module is used for measures ambient temperature;
One clock module is used for providing current time information;
One charge in batteries module is used for the control solar cell and is switched on or switched off and charges a battery; One end of charge in batteries module links to each other with solar cell, and the other end links to each other with storage battery;
One LED street lamp driver module is used for the control storage battery and is switched on or switched off the street lamp power supply, road lamp power supply to LED, and the brightness of regulating the LED street lamp; One end of LED street lamp driver module links to each other with storage battery, and the other end links to each other with the LED street lamp;
One single-chip microcomputer is used for the measurement result according to the voltage and current measurement module, to charge in batteries module and LED street lamp driver module sending controling instruction; According to the measurement result of temperature-measuring module, accumulators carries out temperature-compensating in real time; And according to the temporal information that clock module is exported, call the brightness that LED street lamp driver module is regulated the LED street lamp;
Single-chip microcomputer all links to each other with power module, voltage and current measurement module, temperature-measuring module, clock module, charge in batteries module and LED street lamp driver module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013201779926U CN203219571U (en) | 2013-04-10 | 2013-04-10 | LED lamp control device powered by solar energy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013201779926U CN203219571U (en) | 2013-04-10 | 2013-04-10 | LED lamp control device powered by solar energy |
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| CN203219571U true CN203219571U (en) | 2013-09-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104411074A (en) * | 2014-12-16 | 2015-03-11 | 山东圣阳电源股份有限公司 | Solar street lamp device control system and control method thereof |
| CN109058900A (en) * | 2018-08-27 | 2018-12-21 | 周绍财 | A kind of integration low-light energy thermal energy wisdom street lamp and its control system |
| CN116761296A (en) * | 2023-08-16 | 2023-09-15 | 菏泽学院 | Solar street lamp controller for adjusting brightness of LED (light-emitting diode) based on time and battery voltage |
-
2013
- 2013-04-10 CN CN2013201779926U patent/CN203219571U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104411074A (en) * | 2014-12-16 | 2015-03-11 | 山东圣阳电源股份有限公司 | Solar street lamp device control system and control method thereof |
| CN109058900A (en) * | 2018-08-27 | 2018-12-21 | 周绍财 | A kind of integration low-light energy thermal energy wisdom street lamp and its control system |
| CN116761296A (en) * | 2023-08-16 | 2023-09-15 | 菏泽学院 | Solar street lamp controller for adjusting brightness of LED (light-emitting diode) based on time and battery voltage |
| CN116761296B (en) * | 2023-08-16 | 2023-11-03 | 菏泽学院 | Solar street lamp controller for adjusting brightness of LED (light-emitting diode) based on time and battery voltage |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20140410 |