CN103476173A - Solar photovoltaic control device capable of regulating specific time and power - Google Patents
Solar photovoltaic control device capable of regulating specific time and power Download PDFInfo
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- CN103476173A CN103476173A CN2013103928949A CN201310392894A CN103476173A CN 103476173 A CN103476173 A CN 103476173A CN 2013103928949 A CN2013103928949 A CN 2013103928949A CN 201310392894 A CN201310392894 A CN 201310392894A CN 103476173 A CN103476173 A CN 103476173A
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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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Abstract
The invention relates to a solar photovoltaic control device capable of regulating specific time and power. The solar photovoltaic control device comprises a singlechip, a keying circuit, a display circuit, an AD (Analog-to-Digital) acquisition circuit, a clock circuit, a drive circuit and a DC/DC (Direct Current/Direct Current) circuit. When the solar photovoltaic control device works, firstly the working mode of the solar photovoltaic control device is set, then the working time and power are set, the state of a storage battery and solar energy is judged according to a voltage acquisition circuit, and the regulation of opening time and specific working power is achieved through logical judgment. According to the solar photovoltaic control device, the load can be opened and closed by setting different time according to different months, and the power selection can be carried out, for instance, the opening can be set at 3 a.m in summer and set at 12 o'clock in winter; the load can also be opened and closed by setting certain specific time, for instance, the load is opened or closed by setting at 2 a.m all the time; a festival lamp function is achieved, namely, the opening is set in a specific festival every year.
Description
Technical field
The present invention relates to the solar control field, more specifically relate to the solar control device of a kind of adjustable concrete time and bearing power.
Background technology
Day by day poor along with earth resource, the cost of investment of basic energy resource is climbed to a higher point day by day, and various safety and pollution hidden trouble are ubiquitous, and solar energy is more and more paid attention to as safety, the environmental protection new forms of energy of a kind of " inexhaustible, nexhaustible ".Simultaneously, also along with the development and progress of solar-photovoltaic technology, the solar energy lamp product is in the double dominant of environmental protection and energy saving, and the application of the aspects such as solar street light, garden lamp, Lawn lamp has formed scale gradually, and solar power generation is gradually improved in the field of street lamp lighting development.
Existing photovoltaic control device is all postpone the regular hour unlatching or cut out basically aspect timing.But, along with the time of the different darknesses in season is also different, this pattern has its limitation.Plant area such as work in some 24 hours, they can be changed shifts in the specific time, the power that can close street lamp after changing shifts or reduce street lamp economizes on resources and cost, and this pattern is because the difference in season can not very accurately be set the waste that the unlatching of street lamp or shut-in time cause resource.
The area that needs Chang Liang at some street lamps, can adjust the power of street lamp when mankind's activity reduces in the second half of the night and reach the purpose economized on resources.And the rule difference of the different mankind's activities in season, can not well meet this requirement single time of delay.
Summary of the invention
In order to make up above-mentioned defect, the concrete power of the technical problem to be solved in the present invention for setting the concrete unlatching of photovoltaic control device or shut-in time and setting load.
For solving the problems of the technologies described above, the present invention is achieved by the following technical solutions.
The photovoltaic control device of a kind of adjustable concrete time and power, is characterized in that,
Comprise single-chip microcomputer, key circuit, display circuit, AD Acquisition Circuit, clock circuit, drive circuit and DC/DC circuit; Wherein, key circuit, display circuit, AD Acquisition Circuit, clock circuit, drive circuit and DC/DC circuit all are connected with single-chip microcomputer,
The AD Acquisition Circuit for sending into single-chip microcomputer by battery tension and solar panels voltage after the AD conversion;
Clock circuit, for recording the time of setting, is carried out and is write and read operation by single-chip microcomputer;
Drive circuit is for opening or charge closing circuit and load circuit;
The DC/DC circuit carrys out the power of control load for the pwm signal according to single-chip microcomputer output;
Key circuit is four buttons, and wherein, first button is for arranging the mode of operation of load; Second button is for month is set, and the 3rd button is for setting hour, and the 4th button is for arranging power.
Further, the set-up mode of button is long button, when charactron shows the numeral flicker, and the numeral of again pressing next change charactron.
Further, display circuit is charactron.
Further, if solar panels voltage is greater than battery tension, storage battery is charged.
Further, single-chip microcomputer is the PIC16F884 single-chip microcomputer, and by single-chip microcomputer, built-in AD module is carried out described AD conversion.
Further, the time of the described setting of real-time time and clock circuit record is carried out to the logic judgement, with the unlatching of carrying out load or close.
Further, the clock chip of clock circuit is ISL12026, and its pin 7 connects lithium battery, to guarantee the time that ISL12026 sets the inside when the system power failure, can not lose and reset.
Further, the chip that the DC/DC circuit adopts is LM3421, and drive circuit adopts IGBT as driving element.
Further, described device also comprises the long-range module that arranges, the described long-range module that arranges is by GSM, CDMA, WCDMA or other 3G network access control centers, utilize the note order that the long-range module that arranges is set, thereby for: the mode of operation of load is set or is set or setting hour month, or power is set, and described long-range mode of operation, the power that module can change load immediately that arranges.
Further, described device also comprises the meteorological condition module, described meteorological condition module is connected to long-range weather server by the described long-range module that arranges, thereby with long-range weather server synchronization parameter, the meteorologic parameter utilize obtained for: the mode of operation of load is set or month is set or arranges hour, or power is set.
The accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described in further detail.
The SCM peripheral circuit that Fig. 1 is an embodiment in the present invention;
Four buttons that Fig. 2 to 5 is an embodiment arrange circuit;
Fig. 6, Fig. 7 are storage battery and solar voltage Acquisition Circuit;
The peripheral circuit that Fig. 8 is chip I SL12026 administrative time;
Fig. 9 to 12 is charging and load driving circuits;
Figure 13 is power-adjustable DC/DC circuit.
Embodiment
Embodiment of the present invention single-chip microcomputer is chosen the PIC16F884 single-chip microcomputer, calls single-chip microcomputer in the following text; Clock chip is chosen ISL12026; The DC/DC chip is chosen LM3421.
Fig. 1 is SCM peripheral circuit of the present invention, and Fig. 2 to 5 is that four buttons arrange circuit, and wherein, exemplary, key circuit comprises button S1, S2, S3 and S4.Display circuit is charactron DS1.The length button, when charactron DS1 shows the numeral flicker, again by the numeral of next change charactron, different charactron demonstrations represent different working methods.
Button S1 is used for arranging the mode of operation of load, for example, can utilize charactron DS1 to show that 1 means manual mode, 2 mean to arrange a hour unlatching load, load is closed in 3 expression settings hour, 4 mean to arrange a hour unlatching power selection, and 5 mean the light-operated pattern of solar energy, and 6 mean the Holiday lamp patterns.Easily understand, described each pattern as its name suggests, the manual all parameters that arrange such as parameters and working method of staff under manual mode, arrange and hour to open the time point that a load is illustrated in setting or to open the load (situation in background technology for example in the time period, load refers to street lamp), setting hour is closed load and is repeated no more.The light luminance that the light-operated pattern of solar energy refers to surrounding environment is opened load during lower than certain threshold value, closes load during higher than certain threshold value; The Holiday lamp pattern refers to extend the working hour of opening load (for example street lamp in background technology) in response to festive air.Certainly, be not limited to above-mentioned pattern of giving an example, those skilled in the art also can be divided into the mode of operation of load other concrete patterns.
Button S2 is used for arranging month, and charactron shows 1,2,3,4,5,6,7,8,9,0,1., 2., means that respectively January is to December.
Button S3 is used for arranging hour, and be exemplified below: charactron shows 6,7,8,9,0., 1., 2., 3., 4., 5., 6., 7., 8., means point in afternoon 6 to mornings 6.Certainly, those skilled in the art also can be arranged to 24 hours, only, mean for example generally herein, throw light on to not needing to open load between 6 pm at 10 in the morning.Therefore, common, button S2 is not used for arranging one day, because the load that this patent is mentioned is all generally monthly to control, rather than controlling so frequent by sky yet.Certainly, this does not mean that this patent can not be for arranging every day per month.
Button S4 is used for arranging power, and charactron shows that 1,2,3,4,5,6,7,8,9,0 mean power percentage from 10% to 100%.
Two voltage collection circuits shown in Fig. 6,7; be used for gathering the voltage of battery tension and solar panel; be used for judging that solar panel has and there is no electricity, and carry out accumulator protecting and be charge in batteries by solar panel according to battery tension.Concrete, the RA0/AN0 mouth of single-chip microcomputer is connected for gathering battery tension in ohmically dividing potential drop with storage battery, and the safe voltage that can be used for judging storage battery prevented from letting slip fills.The RA1/AN1 mouth of single-chip microcomputer connects solar panel in ohmically dividing potential drop.When So_ad is greater than 0x0f, solar energy has the electrical representation daybreak, and when the difference of So_ad and St_ad is greater than 0x00, explanation solar energy is higher than the voltage of storage battery, carries out charging.
The peripheral circuit that Fig. 8 is chip I SL12026 administrative time, the time that is used for real-time time and single-chip microcomputer are set is carried out the logic judgement, with the unlatching of carrying out load or close.Clock chip ISL12026 pin 5 is connected with single-chip microcomputer RC4/SDA, ISL12026 pin 6 is connected with single-chip microcomputer RC3/SCL, single-chip microcomputer carries out data with clock chip ISL12026 by the I2C bus and is connected, and the time that is write and read setting by single-chip microcomputer is carried out the logic judgement.Clock chip ISL12026 pin 7 connects the time that lithium battery guarantees that when system power failure ISL12026 the inside is set and can not lose and reset.
Fig. 9 to 12 is charging and load driving circuits, drive chip MCP1416 (1) pin 3 to be connected with the RA5/AN4 of single-chip microcomputer by resistance, when PVP is low level, MCP1416 (1) pin 3 is dragged down, and the grid of IGBT (1) is dragged down and can not drive so.When PVP is high level, MCP1416 (1) pin 3 is set high, and to set high IGBT (1) open-minded for the grid of IGBT (1) so.
Drive chip MCP1416 (2) pin 3 to be connected with the RE0/AN5 of single-chip microcomputer by resistance, when PVB is low level, MCP1416 (2) pin 3 is dragged down, and the grid of IGBT (1) is dragged down and can not drive so.When PVB is high level, MCP1416 (1) pin 3 is set high, and to set high IGBT (2) open-minded for the grid of IGBT (2) so.
When IGBT (1), IGBT (2) while opening solar energy charge a battery.
Drive chip MCP1416 (3) pin 3 to be connected with the RE1/AN6 of single-chip microcomputer by resistance, when LGT is low level, MCP1416 (3) pin 3 is dragged down, and the grid of IGBT (3) is dragged down and can not drive so.When LGT is high level, MCP1416 (3) pin 3 is set high, and to set high IGBT (3) open-minded for the grid of IGBT (3) so.
When IGBT (3) is open-minded, load is lit.
Figure 13 is power-adjustable DC/DC circuit, and LM3421 is a BUCK, BOOST, and BUCK/BOOST constant-current source chip, R29 (RSNS) is sampling A/D chip, this resistance value determines the constant-current source size of current.8 pin of LM3421 are connected with the drain electrode of N-channel MOS pipe, the grid of N-channel MOS pipe is connected with the RC2/CCP1 of single-chip microcomputer, after using button to set power percentage, the output that the PWM that single-chip microcomputer sends different duty according to the percentage arranged regulates LM3421 carrys out regulating power.
First set the working method of photovoltaic control device during the work of this device, and then operating time and power is set, judge the state of storage battery and solar energy according to voltage collection circuit, carry out judging to reach adjustable to opening time and specific works power by logic.By device of the present invention, different time unlatchings can be set according to different months, close load, can also carry out power selection, can be set to 12 unlatchings winter such as can arrange 3:00 AM summer.A certain concrete time opening and closing load can also be set, for example be set to the load of 2:00 AM On/Off always.Can also there is the Holiday lamp function, open in the concrete time in red-letter day in every year.
Further, scheme in the present invention also can comprise the long-range module that arranges, the described long-range module that arranges can be passed through GSM, CDMA, WCDMA or other 3G network access control centers, utilize the note order that the long-range module that arranges is set, thereby for: the mode of operation of load is set or is set or setting hour month, or power is set, and described long-range mode of operation, the power that module can change load immediately that arranges.More excellent, can also comprise the meteorological condition module, described meteorological condition module is connected to long-range weather server by the long-range module that arranges, thereby with long-range weather server synchronization parameter, the meteorologic parameter utilize obtained for: the mode of operation of load is set or month is set or arranges hour, or power is set.
Finally it should be noted that: above embodiment is only in order to illustrate the present invention and unrestricted technical scheme described in the invention; Although therefore this specification has been described in detail the present invention with reference to each above-mentioned embodiment, it will be understood by those of skill in the art that still and can modify or be equal to replacement the present invention; And all do not break away from technical scheme and the improvement thereof of the spirit and scope of the present invention, it all should be encompassed in claim scope of the present invention.
Claims (10)
1. the photovoltaic control device of adjustable concrete time and power, is characterized in that,
Comprise single-chip microcomputer, key circuit, display circuit, AD Acquisition Circuit, clock circuit, drive circuit and DC/DC circuit; Wherein, key circuit, display circuit, AD Acquisition Circuit, clock circuit, drive circuit and DC/DC circuit all are connected with single-chip microcomputer,
The AD Acquisition Circuit for sending into single-chip microcomputer by battery tension and solar panels voltage after the AD conversion;
Clock circuit, for recording the time of setting, is carried out and is write and read operation by single-chip microcomputer;
Drive circuit is for opening or charge closing circuit and load circuit;
The DC/DC circuit carrys out the power of control load for the pwm signal according to single-chip microcomputer output;
Key circuit is four buttons, and wherein, first button is for arranging the mode of operation of load; Second button is for month is set, and the 3rd button is for setting hour, and the 4th button is for arranging power.
2. device as claimed in claim 1, is characterized in that, the set-up mode of button is long button, when charactron shows the numeral flicker, and the numeral of again pressing next change charactron.
3. device as described as any one in claim 1-2, is characterized in that, display circuit is charactron.
4. device as described as any one in claim 1-2, is characterized in that, if solar panels voltage is greater than battery tension, storage battery charged.
5. device as described as any one in claim 1-2, is characterized in that, preferred, single-chip microcomputer is the PIC16F884 single-chip microcomputer, and by single-chip microcomputer, built-in AD module is carried out described AD conversion.
6. device as described as any one in claim 1-2, is characterized in that, the time of the described setting of real-time time and clock circuit record is carried out to the logic judgement, with the unlatching of carrying out load or close.
7. device as described as any one in claim 1-2, is characterized in that, the clock chip of clock circuit is ISL12026, and its pin 7 connects lithium battery, to guarantee the time that ISL12026 sets the inside when the system power failure, can not lose and reset.
8. device as described as any one in claim 1-2, is characterized in that, the chip that the DC/DC circuit adopts is LM3421, and drive circuit adopts IGBT as driving element.
9. device as described as any one in claim 1-2, it is characterized in that, described device also comprises the long-range module that arranges, the described long-range module that arranges is by GSM, CDMA, WCDMA or other 3G network access control centers, utilize the note order that the long-range module that arranges is set, thereby for: the mode of operation of load is set or is set or setting hour month, or power is set, and described long-range mode of operation, the power that module can change load immediately that arranges.
10. device as claimed in claim 9, it is characterized in that, described device also comprises the meteorological condition module, described meteorological condition module is connected to long-range weather server by the described long-range module that arranges, thereby with long-range weather server synchronization parameter, the meteorologic parameter utilize obtained for: the mode of operation of load is set or month is set or arranges hour, or power is set.
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| CN201310392894.9A CN103476173B (en) | 2013-09-01 | 2013-09-01 | The photovoltaic control device of a kind of adjustable concrete time and power |
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| CN201310392894.9A CN103476173B (en) | 2013-09-01 | 2013-09-01 | The photovoltaic control device of a kind of adjustable concrete time and power |
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