CN1622246B - Solar luminaire intelligent controller - Google Patents
Solar luminaire intelligent controller Download PDFInfo
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- CN1622246B CN1622246B CN200310108950A CN200310108950A CN1622246B CN 1622246 B CN1622246 B CN 1622246B CN 200310108950 A CN200310108950 A CN 200310108950A CN 200310108950 A CN200310108950 A CN 200310108950A CN 1622246 B CN1622246 B CN 1622246B
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- control unit
- central control
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- triode
- resistance
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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 intelligent solar lamp controller includes central control unit, which is connected vian a circuit comprising resistor, transistor and FET to solar cell, accumulator and load for reliable charge and discharge protection; and has partial pins capable of realizing light control and time control via different connection modes. The present invention has raised reliability of charge and discharge protection to avoid overcharge and overdischarge, and light control and time control of solar lamp with less time delay.
Description
Technical field
The present invention relates to the controller in a kind of lighting device, relate in particular to a kind of solar energy lamp intelligent controller.
Background technology
For satisfying the demand of energy development and environmental protection, non-pollution of renewable energy more and more is subject to people's attention.Solar energy has been widely used in technical fields such as pyrogenicity, generating as a kind of like this non-pollution of renewable energy at present.Wherein solar energy lamp is exactly a kind of light fixture that utilizes solar energy as the energy, and it is not subjected to the influence of supply line, need not ditch and sunken cord, and does not consume conventional electric energy, is a kind of environmental type luminous energy product.
Solar energy lamp generally is made up of solar module, storage battery, power-supply controller of electric, luminescence component, its main system block diagram as shown in Figure 1, wherein selecting for use of power-supply controller of electric is an of paramount importance ring in the whole system, and it is directly connected to function and the operating efficiency of reliability and solar cell, the useful life of storage battery etc. of light fixture.Existing power-supply controller of electric generally has protection, control reaches as other functions such as demonstrations, is used widely.Yet the influence of the difference of the solar module characteristic that it adopts because of being subjected to and the factors such as interference of ambient light; exist and start bigger problem of the time difference; its error is sometimes up to tens minutes; and the charging of the storage battery of solar energy lamp, deep-discharge protection are also unreliable, make storage battery easily because of overcharging or overdischarge causes damage.
Summary of the invention
The technical issues that need to address of the present invention have provided a kind of solar energy lamp intelligent controller; charging, the deep-discharge protection of storage battery that is intended to solve present solar energy lamp is also unreliable, makes storage battery easily because of overcharging or overdischarge causes the defective of damage.
Another object of the present invention provides light-operated and function time switch.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
Comprise central control unit, the CTRL pin of central control unit connects the base stage of the first triode T1 through first resistance R 1, the collector electrode of the first triode T1 connects the base stage of the second triode T2, the first diode D1 oppositely is connected between the collector electrode and emitter of the second triode T2, the collector electrode of the second triode T2 connects the grid of the first field effect transistor M1 through second resistance R 2, the drain electrode of the first field effect transistor M1 connects the positive pole of solar cell SOLAR through the second reverse diode D2, first, the second triode T1, the emitter of T2, the source electrode of the first field effect transistor M1 is connected to the negative pole of solar cell, the first variable resistor Rv1 is in parallel with solar cell, and the first light-emitting diode LBD1 and the 3rd resistance R 3 series connection backs are in parallel with solar cell;
The Vcc pin of central control unit is connected to the positive pole of storage battery BATT, and the negative pole of this storage battery is through the 4th resistance R 4 ground connection; Capacitor C, reverse the 3rd diode D3 and the second adjustable resistance Rv2 are parallel between the Vcc pin and ground of central control unit; The positive pole of the 4th diode D4 connects the positive pole of solar cell, and negative pole connects the positive pole of storage battery BATT;
The DISCHG pin of central control unit oppositely is connected between the collector electrode and emitter of the 3rd triode T3 through base stage, the 5th diode D5 that the 5th resistance R 5 meets the 3rd triode T3, the collector electrode of the 3rd triode T3 connects the grid of the second field effect transistor M2 through the 6th resistance R 6, the drain electrode of the second field effect transistor M2 connects the negative pole of load LOAD, the source ground of the emitter of the 3rd triode T3 and the second field effect transistor M2; The positive pole of load LOAD is connected to the Vcc pin of central control unit; The 6th diode D6 is connected anti-parallel to the two ends of load LOAD, and the second light-emitting diode LBD2 and the 7th resistance R 7 series connection backs are in parallel with load LOAD;
When light-operated, the S1 pin of central control unit is connected to the positive pole of solar cell; Light control functionality is the time spent not, and the S1 pin of central control unit is connected to its Vcc;
During time control, connect the potentiometer of 10K between the S2 pin of central control unit and the Vss pin; Timing function is the time spent not, and the S2 pin of central control unit is connected to its Vcc.
Compared with prior art, the invention has the beneficial effects as follows: strengthened the charging of the storage battery of solar energy lamp, the reliability of over, avoided overcharging or damage that the overdischarge accumulators brings; In addition, can pass through regularly and the opening and closing of ambient light strength control solar energy lamp, and the time difference of opening and closing is very little.
Description of drawings
Fig. 1 is the solar energy lamp block diagram of prior art;
Fig. 2 is a circuit diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:
As seen from Figure 2: comprise central control unit, the CTRL pin of central control unit connects the base stage of triode T1 through resistance R 1, the base stage of the collector connecting transistor T2 of triode T1, diode D1 oppositely is connected between the collector electrode and emitter of triode T2, the collector electrode of triode T2 connects the grid of field effect transistor M1 through resistance R 2, the drain electrode of field effect transistor M1 connects the positive pole of solar cell through reverse diode D2, triode T1, the emitter of T2, the source electrode of field effect transistor M1 is connected to the negative pole of solar cell, variable resistor Rv1 is in parallel with solar cell, and light-emitting diode LBD1 and resistance R 3 series connection backs are in parallel with solar cell;
The Vcc pin of central control unit is connected to the positive pole of storage battery BATT, and the negative pole of this storage battery is through resistance R 4 ground connection; Capacitor C, backward diode D3 and variable resistor Rv2 are parallel between the Vcc pin and ground of central control unit; The positive pole of diode D4 connects the positive pole of solar cell, and negative pole connects the positive pole of storage battery BATT;
The DISCHG pin of central control unit connects the base stage of diode T3 through resistance R 5, diode D5 oppositely is connected between the collector electrode and emitter of triode T3, the collector electrode of triode T3 connects the grid of field effect transistor M2 through resistance R 6, the drain electrode of field effect transistor M2 connects the negative pole of load LOAD, the source ground of the emitter of triode T3 and field effect transistor M2; The positive pole of load LOAD is connected to the Vcc pin of central control unit; Diode D6 is connected anti-parallel to the two ends of load LOAD, and light-emitting diode LBD2 and resistance R 7 series connection backs are in parallel with load LOAD.
During charge protection, along with the carrying out of charging, the voltage of storage battery BATT rises gradually, and in the charging later stage, solar energy lamp carries out trickle charge with the CTRL pin output pwm pulse of central control unit; After storage battery was full of electricity, the CTRL pin was a high level, and the L1 pin is a low level, and charging ends; Battery tension slowly falls after rise behind the charging termination, and when reducing to the charging recovery voltage, the pin of CTRL is a low level, and 1 pin is a high level, recovers charging;
During over, discharge reduces the voltage of storage battery BATT, when voltage is reduced to the protection point, and the DISCHG pin output high level of central control unit, L2 pin output low level, discharge off; The voltage of storage battery will have certain amplitude behind the discharge off; In order to prevent that load LOAD is access in once more, central control unit was provided with puts the recovery voltage value; When the voltage of storage battery is put the recovery voltage value greater than mistake, DISCHG pin output low level, L2 pin output high level, load is access in once more.
When light-operated, the S1 pin of central control unit is connected to the positive pole of solar cell; When the voltage of solar cell was lower than 0.7 volt, load LOAD was access in, and when its voltage was higher than 3 volts, load LOAD was closed (available 2 electric resistance partial pressures change light-operated startup and close); Light control functionality is the time spent not, and the S1 pin of central control unit is connected to its Vcc;
During time control, connect the potentiometer of 10K between the S2 pin of central control unit and the Vss pin; Adjusting this potentiometer can be regularly 0.5-15 hour; When transferring potentiometer regularly 0.5 hour towards the Vss pin, when the S2 pin is transferred potentiometer regularly 15 hours; Timing function is the time spent not, and the S2 pin of central control unit is connected to its Vcc;
Central control unit adopts TFC 1208C cake core among the present invention.
The present invention also can set up the annual hours of daylight data of global different latitude, in controller, import the place latitude during use, adjust time, year, month, day and open and close time, then can reach automatic tracking loop environmental light all the year round, and use in large tracts of land, and start and time difference of closing very little.
Claims (7)
1. solar energy lamp intelligent controller, comprise the central control unit that adopts the TFC1208C cake core, it is characterized in that: the CTRL pin of described central control unit connects the base stage of first triode (T1) through first resistance (R1), the collector electrode of described first triode (T1) connects the base stage of second triode (T2), first diode (D1) oppositely is connected between the collector electrode and emitter of described second triode (T2), the collector electrode of described second triode (T2) connects the grid of first field effect transistor (M1) through second resistance (R2), the drain electrode of described first field effect transistor (M1) connects the positive pole of solar cell through reverse second diode (D2), and described first, second triode (the T1, T2) emitter, the source electrode of first field effect transistor (M1) is connected to the negative pole of described solar cell;
The Vcc pin of central control unit is connected to the positive pole of storage battery (BATT), and the negative pole of this storage battery is through the 4th resistance (R4) ground connection; Electric capacity (C), reverse the 3rd diode (D3) and the second adjustable resistance (Rv2) are parallel between the Vcc pin and ground of central control unit; The positive pole of the 4th diode (D4) connects the positive pole of solar cell, and negative pole connects the positive pole of storage battery (BATT);
The DISCHG pin of central control unit oppositely is connected between the collector electrode and emitter of the 3rd triode (T3) through base stage, the 5th diode (D5) that the 5th resistance (R5) meets the 3rd triode (T3), the collector electrode of the 3rd triode (T3) connects the grid of second field effect transistor (M2) through the 6th resistance (R6), the drain electrode of second field effect transistor (M2) connects the negative pole of load (LOAD), the source ground of the emitter of the 3rd triode (T3) and second field effect transistor (M2); The positive pole of load (LOAD) is connected to the Vcc pin of central control unit; The 6th diode (D6) is connected anti-parallel to the two ends of load (LOAD).
2. solar energy lamp intelligent controller according to claim 1 is characterized in that: first variable resistor (Rv1) is in parallel with described solar cell.
3. solar energy lamp intelligent controller according to claim 1 is characterized in that: first light-emitting diode (LBD1) and the 3rd resistance (R3) series connection back are in parallel with solar cell.
4. solar energy lamp intelligent controller according to claim 2 is characterized in that: first light-emitting diode (LBD1) and the 3rd resistance (R3) series connection back are in parallel with solar cell.
5. according to claim 1 or 2 or 3 or 4 described solar energy lamp intelligent controllers, it is characterized in that: second light-emitting diode (LBD2) and the 7th resistance (R7) series connection back are in parallel with load (LOAD).
6. solar energy lamp intelligent controller according to claim 5 is characterized in that: when light-operated, the S1 pin of central control unit is connected to the positive pole of solar cell; Light control functionality is the time spent not, and the S1 pin of central control unit is connected to its Vcc.
7. solar energy lamp intelligent controller according to claim 5 is characterized in that: during time control, connect the potentiometer of 10K between the S2 pin of central control unit and the Vss pin; Timing function is the time spent not, and the S2 pin of central control unit is connected to its Vcc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200310108950A CN1622246B (en) | 2003-11-28 | 2003-11-28 | Solar luminaire intelligent controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200310108950A CN1622246B (en) | 2003-11-28 | 2003-11-28 | Solar luminaire intelligent controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1622246A CN1622246A (en) | 2005-06-01 |
| CN1622246B true CN1622246B (en) | 2010-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200310108950A Expired - Fee Related CN1622246B (en) | 2003-11-28 | 2003-11-28 | Solar luminaire intelligent controller |
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| Country | Link |
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| CN (1) | CN1622246B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101868097A (en) * | 2009-06-21 | 2010-10-20 | 刘良宏 | Charging and discharging automatic control switch for solar lamp and protective circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2284479Y (en) * | 1995-02-23 | 1998-06-17 | 北方工业大学 | Solar power source device for energy saving lamp |
| CN1276698A (en) * | 2000-07-05 | 2000-12-13 | 李棠满 | Intelligent solar lighting equipment |
| WO2002033311A1 (en) * | 2000-10-20 | 2002-04-25 | Mooncell Technologies Limited | Solar and wind powered lighting |
| CN2657327Y (en) * | 2003-11-28 | 2004-11-17 | 上海元兴绿色环保科技有限公司 | Intelligent controller for solar lamps and lanterns |
-
2003
- 2003-11-28 CN CN200310108950A patent/CN1622246B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2284479Y (en) * | 1995-02-23 | 1998-06-17 | 北方工业大学 | Solar power source device for energy saving lamp |
| CN1276698A (en) * | 2000-07-05 | 2000-12-13 | 李棠满 | Intelligent solar lighting equipment |
| WO2002033311A1 (en) * | 2000-10-20 | 2002-04-25 | Mooncell Technologies Limited | Solar and wind powered lighting |
| CN2657327Y (en) * | 2003-11-28 | 2004-11-17 | 上海元兴绿色环保科技有限公司 | Intelligent controller for solar lamps and lanterns |
Non-Patent Citations (1)
| Title |
|---|
| JP平11-283756A 1999.10.15 |
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| CN1622246A (en) | 2005-06-01 |
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Granted publication date: 20100526 Termination date: 20101128 |