CN105515159A - Solar energy controller power source circuit - Google Patents
Solar energy controller power source circuit Download PDFInfo
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- CN105515159A CN105515159A CN201510984929.7A CN201510984929A CN105515159A CN 105515159 A CN105515159 A CN 105515159A CN 201510984929 A CN201510984929 A CN 201510984929A CN 105515159 A CN105515159 A CN 105515159A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The invention relates to a solar energy controller power source circuit. The solar energy controller power source circuit includes a power source module, a switch module and a control module; the power source module is provided with two input sources, namely, photovoltaic panel input and storage battery input; the storage battery input is connected with the power source module through the switch module; and under an initial state, the switch module is in a switched-off state, the power source module provides a working power source for the control module, and the control module controls the switching on and switching off of the switch module and detects the voltage value and load condition of a storage battery. A controller adopting the solar energy controller power source circuit of the invention can automatically cut off a connection between the controller and the storage battery when the controller does not work, and the controller can be stored for a long time; when detecting that the storage battery is in a under-voltage state and is short of electrify, the controller will automatically cut off a connection between the controller and the storage battery, and will not consume the power of the storage battery, and therefore, the service life of the storage battery can be effectively prolonged.
Description
Technical field
The present invention relates to photovoltaic art, particularly relate to a kind of controller for solar power circuit.
Background technology
Along with the development of photovoltaic technology, various field has been widely used in the utilization of solar energy, modal is exactly use solar panels to charge for storage battery, to convert solar energy into electrical energy and to store with storage battery, recycles storage battery and powers to other power consumption equipments.Wherein there are lead acid accumulator, colloid storage battery and lithium-ions battery etc. for the kind that the storage battery of energy storage is more common.And along with the development of lithium ion battery technology, because its energy density is high, compare with colloid storage battery with lead acid accumulator, it has the little advantage of volume when equivalent capability, lithium-ions battery is applied to photovoltaic LED lighting system more and more, and lithium-ions battery and controller are become one, is referred to as in industry " storage control unit ".Because storage battery and controller are integrated into one, controller is connected on storage battery always, the electricity of battery consumption, just will charge to storage battery after placing a period of time.The quiescent dissipation of controller is in the market most at about 10mA, calculate by 10mA, within one day, consume 240mAH, within 100 days, consume 24AH, for the storage battery of a nominal capacity 24AH, its electricity that do not carry out more than three months charging just runs out substantially, the time again length greatly will shorten the useful life of storage battery.
Summary of the invention
The technical problem to be solved in the present invention designs a kind of controller of not battery consumption electricity, solves existing technical problem.
For solving the problems of the technologies described above, controller for solar power circuit of the present invention comprises power module, switch module and control module, described power module is provided with photovoltaic panel input and storage battery inputs two input sources, storage battery input is connected to power module by switch module, under initial condition, switch module is in off-state, described power module provides working power for control module, described control module control switch module closed with disconnect.
Further, described control module detects battery tension value by voltage detecting circuit, detects loading condition by unloaded decision circuitry.
Further, described control module is MCU(MicrocontrollerUnit, micro-control unit, also known as one chip microcomputer or single-chip microcomputer).
Further, described power module comprises NPN triode Q3, resistance R3, voltage stabilizing didoe ZD1, filter capacitor C2, PNP triode Q4, resistance R4, NPN triode Q5, resistance R5, voltage stabilizing didoe ZD2, diode D1, three terminal regulator VR1, filter capacitor C3;
Wherein, NPN triode Q3, resistance R3 and voltage stabilizing didoe ZD1 form voltage stabilizing circuit, resistance R3 connects collector electrode and the base stage of NPN triode Q3, voltage stabilizing didoe ZD1 negative pole is connected with the base stage of NPN triode Q3, plus earth, the emitter of NPN triode Q3 is connected with the input of three terminal regulator VR1;
NPN triode Q5, resistance R5 and voltage stabilizing didoe ZD2 form voltage stabilizing circuit, resistance R5 connects collector electrode and the base stage of NPN triode Q5, voltage stabilizing didoe ZD2 negative pole is connected with the base stage of NPN triode Q5, plus earth, the emitter of NPN triode Q5 is connected with the input of three terminal regulator VR1;
The emitter of PNP triode Q4 is connected with the positive pole of photovoltaic panel, and collector electrode is connected with the collector electrode of NPN triode Q5, and base stage is connected by resistance R4 with photovoltaic panel negative pole, and diode D1 negative pole is connected with photovoltaic panel negative pole, plus earth;
The earth terminal ground connection of three terminal regulator VR1, the input of three terminal regulator VR1 and earth terminal are parallel with filter capacitor C2, play input filtering effect, and the output and ground of three terminal regulator VR1 is parallel with filter capacitor C3, plays output filter action;
Described switch module comprises PNP triode Q1, NPN triode Q2, resistance R1, resistance R2;
Wherein, the emitter of PNP triode Q1 is connected with battery positive voltage, the base stage of PNP triode Q1 is connected by resistance R1 with the collector electrode of NPN triode Q2, the base stage of NPN triode Q2 is connected with the output of control module by resistance R2, and the emitter of NPN triode Q2 is connected with the negative pole of storage battery;
The collector electrode of the PNP triode Q1 of described switch module is connected with the collector electrode of the NPN triode Q3 of power module, and described control module is powered by the output of the three terminal regulator VR1 of power module.
Further, switch module also comprises electric capacity C4, resistance R6, resistance R7 and NPN triode Q6, electric capacity C4 and resistance R7 is in series with between the positive pole of storage battery and negative pole, electric capacity C4 is connected with the positive pole of storage battery, the collector electrode of NPN triode Q6 is connected with the collector electrode of NPN triode Q2, the emitter of NPN triode Q6 is connected with the negative pole of storage battery, and resistance R6 one end is connected with the base stage of NPN triode Q6, and the other end is connected electric capacity C4 one end with resistance R7 connects.Such benefit is; when connecting separately storage battery; adopt the controller of power circuit of the present invention to enter operating state, both met general use habit, the input of storage battery can be cut off again thus protect storage battery under load open circuit reaches the situation such as certain hour and storage battery under-voltage.
Further, be connected with voltage stabilizing didoe ZD3 between the photovoltaic panel negative pole of power module and resistance R4, the negative pole of voltage stabilizing didoe ZD3 is connected with resistance R4, and the positive pole of voltage stabilizing didoe ZD3 is connected on the connecting line of diode D1 and photovoltaic panel negative pole.Such benefit is: photovoltaic panel end applies voltage just must can make PNP triode Q4 conducting during voltage stabilizing value higher than voltage stabilizing didoe ZD3, can avoid the interference of signal and open by mistake, improve the reliability of this circuit.
The working method of controller for solar power circuit of the present invention is:
Under initial condition, switch module is in off-state, when only there being storage battery to input, when switch module does not comprise electric capacity C4, resistance R6, resistance R7 and NPN triode Q6, because switch module is in off-state, power module can not obtain electric work, thus working power can not be provided for control module, control module cannot work, electric capacity C4 is comprised at switch module, resistance R6, when resistance R7 and NPN triode Q6, because battery tension is that electric capacity C4 charges by resistance R7, when electric capacity C4 underfill, its one end be connected with R7 is high level, NPN triode Q6 conducting can be made, thus make PNP triode Q1 conducting, thus storage battery can be powered for power module, thus control module can obtain electric work, control module control signal exports high level and makes NPN triode Q2 conducting, one end that it is connected with R7 after electric capacity C4 is full of electricity is that low level can not make NPN triode Q6 conducting, but because now control module has worked and made NPN triode Q2 conducting, thus make PNP triode Q1 conducting, storage battery still can for power module is powered and maintain control module and work on.Such benefit is, when connecting separately storage battery, the controller of power circuit of the present invention is adopted to enter operating state, both general use habit had been met, again can after load open circuit a period of time and in the situation such as storage battery under-voltage, control module output low level makes NPN triode Q2 end, thus PNP triode Q1 is ended, now electric capacity C4 is full of electricity, and its one end be connected with R7 is that low level can not make NPN triode Q6 conducting, and now control module cannot work.
When storage battery and photovoltaic panel two input sources input simultaneously, photovoltaic panel input makes power module obtain electric work, power module provides working power for control module, exporting control signal after control module work makes switch module be in closure state, storage battery is that power module is powered, even if now photovoltaic panel input is withdrawn, because switch module is opened, storage battery input is sustainable powers to power module, and power module continues as control module and provides working power.
Controller for solar power circuit of the present invention is when being specifically applied in controller for solar, accumulator voltage detecting circuit and unloaded decision circuitry can be added, accumulator voltage detecting circuit is all connected with control module with unloaded decision circuitry, when control module receive voltage detecting circuit detect storage battery be in under-voltage power shortage feedback signal or control module receive unloaded decision circuitry the feedback signal of unloaded certain hour detected time, control module output low level makes NPN triode Q2 end, thus PNP triode Q1 is ended, switch module is made to be in off-state, power module cannot be powered for control module, therefore control module cannot work, now control module is in power failure state, not battery consumption electricity.Make power module again electric work, must by photovoltaic panel input source again for power module be powered.
Beneficial effect of the present invention: the controller adopting controller for solar power circuit of the present invention, control module cannot obtain electric work in an idle state, not battery consumption electricity, storage can be placed for a long time, only when project installation uses, photovoltaic panel received on controller, the voltage of photovoltaic panel can make controller unlatching work.Another usefulness of the present invention is, when storage battery under-voltage power shortage, the controller of power circuit of the present invention is adopted to disconnect storage battery power supply, controller is made to be in power failure state, not battery consumption electricity, can effective prolonging service life of battery, and Common Controller can only control storage battery and stops powering to the load, controller itself is still in running order, still at battery consumption electricity.
Accompanying drawing explanation
Below in conjunction with accompanying drawing the specific embodiment of the present invention done and illustrate further.
Fig. 1 is the structured flowchart of controller for solar power circuit;
Fig. 2 is the controller for solar power circuit in embodiment 1;
Fig. 3 is the controller for solar power circuit in embodiment 2;
Fig. 4 is the controller for solar power circuit in embodiment 3;
Fig. 5 is the controller for solar power circuit in embodiment 4.
Embodiment
embodiment 1
Composition graphs 1 and Fig. 2, controller for solar power circuit of the present invention comprises power module, switch module and control module, described power module is provided with photovoltaic panel input and storage battery inputs two input sources, storage battery input is connected to power module by switch module, switch module is connected to battery positive voltage, under initial condition, switch module is in off-state, and described power module provides working power for control module, described control module control switch module closed with disconnect.Described control module detects battery tension value by voltage detecting circuit, detects loading condition by unloaded decision circuitry.In the present embodiment, control module is MCU.
Under initial condition, switch module is in off-state, when only there being storage battery to input, because switch module is in off-state, power module can not obtain electric work, thus working power can not be provided for control module MCU, when storage battery and photovoltaic panel two input sources input simultaneously, photovoltaic panel input makes power module obtain electric work, power module provides working power for control module MCU, control module MCU exports control signal after obtaining electric work makes switch module be in closure state, storage battery is that power module is powered, even if now photovoltaic panel input is withdrawn, because switch module is opened, storage battery input is sustainable powers to power module, power module continues as control module MCU and provides working power.
As shown in Figure 2, for the schematic diagram of the controller for solar power circuit of the present embodiment, described power module comprises NPN triode Q3, resistance R3, voltage stabilizing didoe ZD1, filter capacitor C2, PNP triode Q4, resistance R4, NPN triode Q5, resistance R5, voltage stabilizing didoe ZD2, diode D1, three terminal regulator VR1, filter capacitor C3;
In power module, NPN triode Q3, resistance R3 and voltage stabilizing didoe ZD1 form voltage stabilizing circuit, resistance R3 connects collector electrode and the base stage of NPN triode Q3, voltage stabilizing didoe ZD1 negative pole is connected with the base stage of NPN triode Q3, plus earth, the emitter of NPN triode Q3 is connected with the input of three terminal regulator VR1;
NPN triode Q5, resistance R5 and voltage stabilizing didoe ZD2 form voltage stabilizing circuit, resistance R5 connects collector electrode and the base stage of NPN triode Q5, voltage stabilizing didoe ZD2 negative pole is connected with the base stage of NPN triode Q5, plus earth, the emitter of NPN triode Q5 is connected with the input of three terminal regulator VR1;
The emitter of PNP triode Q4 is connected with the positive pole of photovoltaic panel, and collector electrode is connected with the collector electrode of NPN triode Q5, and base stage is connected by resistance R4 with photovoltaic panel negative pole, and diode D1 negative pole is connected with photovoltaic panel negative pole, plus earth;
The earth terminal ground connection of three terminal regulator VR1, the input of three terminal regulator VR1 and earth terminal are parallel with filter capacitor C2, play input filtering effect, and the output and ground of three terminal regulator VR1 is parallel with filter capacitor C3, plays output filter action;
Described switch module comprises PNP triode Q1, NPN triode Q2, resistance R1, resistance R2;
In switch module, the emitter of PNP triode Q1 is connected with battery positive voltage, the base stage of PNP triode Q1 is connected by resistance R1 with the collector electrode of NPN triode Q2, the base stage of NPN triode Q2 is connected with the output of control module MCU by resistance R2, and the emitter of NPN triode Q2 is connected with the negative pole of storage battery;
The collector electrode of the PNP triode Q1 of described switch module is connected with the collector electrode of the NPN triode Q3 of power module, and described control module MCU is powered by the output of the three terminal regulator VR1 of power module.
The working method of the controller for solar power circuit of the present embodiment is:
When only applying voltage at accumulator terminal, because control module MCU fails electric, cannot work, the base stage of NPN triode Q2 is in floating state, can not conducting, thus PNP triode Q1 can not conducting, whole power circuit is in cut-off state, not battery consumption electricity;
When photovoltaic panel end also applies voltage, base current is formed and conducting between 1 pin of PNP triode Q4 and 2 pin, NPN triode Q5, resistance R5, voltage stabilizing didoe ZD2 forms voltage stabilizing circuit, stable output voltage VDD, VDD is that three terminal regulator VR1 powers, three terminal regulator VR1 stable output voltage VCC, VCC is that control module MCU powers, control module MCU obtain electric after by its output U1 export high level, make NPN triode Q2 conducting, thus make to form base current between 1 pin of PNP triode Q1 and 2 pin, thus make PNP triode Q1 conducting, NPN triode Q3, resistance R3, voltage stabilizing didoe ZD1 forms voltage stabilizing circuit, stable output voltage VDD, VDD is that three terminal regulator VR1 powers, three terminal regulator VR1 stable output voltage VCC, VCC is that control module MCU powers, now accumulator voltage and photovoltaic panel terminal voltage can make power module obtain electric work, even if now photovoltaic panel is applied voltage to withdraw, power module still can obtain input voltage from accumulator terminal and carry out work.
Preferably, the controller for solar power circuit of the present embodiment is when being specifically applied in controller for solar, accumulator voltage detecting circuit and unloaded decision circuitry can be added, accumulator voltage detecting circuit is all connected with control module MCU with unloaded decision circuitry, voltage detecting circuit and unloaded decision circuitry are this area common circuit, no longer specifically describe at this.When control module MCU receive voltage detecting circuit detect storage battery be in under-voltage power shortage feedback signal or control module MCU receive unloaded decision circuitry the feedback signal of unloaded certain hour detected time, control module MCU output low level makes NPN triode Q2 end, thus PNP triode Q1 is ended, switch module is made to be in off-state, power module cannot be powered for control module MCU, therefore control module MCU cannot work, now control module MCU is in power failure state, not battery consumption electricity.The present embodiment is preferred, and when load open circuit is after 5 minutes, control module MCU makes switch module be in off-state by its output output low level.Only again apply voltage at photovoltaic panel end, power module just can be resumed work.
Adopt the controller of the controller for solar power circuit described in the present embodiment, when only there being storage battery to be connected with controller, controller cannot obtain electric work, not battery consumption electricity, storage can be placed for a long time, only when project installation uses, photovoltaic panel received on controller, the voltage of photovoltaic panel can make controller unlatching work.In addition, when control module MCU detects storage battery under-voltage power shortage, control module MCU output low level makes switch module disconnect, thus disconnects storage battery power supply, makes control module MCU be in power failure state, no longer battery consumption electricity, can effective prolonging service life of battery, and Common Controller can only control storage battery and stops powering to the load, controller itself is still in running order, still at battery consumption electricity, storage battery can be damaged.
embodiment 2
The present embodiment is a kind of schematic diagram of controller for solar power circuit of optimization, be with the difference of embodiment 1, the switch module of the controller for solar power circuit of the present embodiment also comprises electric capacity C4, resistance R6, resistance R7 and NPN triode Q6, electric capacity C4 and resistance R7 is in series with between the positive pole of storage battery and negative pole, electric capacity C4 is connected with the positive pole of storage battery, the collector electrode of NPN triode Q6 is connected with the collector electrode of NPN triode Q2, the emitter of NPN triode Q6 is connected with the negative pole of storage battery, resistance R6 one end is connected with the base stage of NPN triode Q6, the other end is connected electric capacity C4 one end with resistance R7 connects.
Because battery tension is that electric capacity C4 charges by resistance R7, when electric capacity C4 underfill, its one end be connected with R7 is high level, NPN triode Q6 conducting can be made, thus make PNP triode Q1 conducting, thus storage battery can be powered for power module, thus control module MCU can obtain electric work, control module MCU control signal exports high level and makes NPN triode Q2 conducting, one end that it is connected with R7 after electric capacity C4 is full of electricity is that low level can not make NPN triode Q6 conducting, but because now control module MCU has worked and made NPN triode Q2 conducting, thus make PNP triode Q1 conducting, storage battery still can for power module is powered and maintain control module MCU and work on.Such benefit is, when connecting separately storage battery, the controller of power circuit of the present invention is adopted to enter operating state, both general use habit had been met, again can after load open circuit a period of time and in the situation such as storage battery under-voltage, control module MCU output low level makes NPN triode Q2 end, thus PNP triode Q1 is ended, now electric capacity C4 is full of electricity, and its one end be connected with R7 is that low level can not make NPN triode Q6 conducting, and now control module MCU cannot work.
When photovoltaic panel end also applies voltage, base current is formed and conducting between 1 pin of PNP triode Q4 and 2 pin, NPN triode Q5, resistance R5, voltage stabilizing didoe ZD2 forms voltage stabilizing circuit, stable output voltage VDD, VDD is that three terminal regulator VR1 powers, three terminal regulator VR1 stable output voltage VCC, VCC is that control module MCU powers, control module MCU obtain electric after by its output U1 export high level, make NPN triode Q2 conducting, thus make to form base current between 1 pin of PNP triode Q1 and 2 pin, thus make PNP triode Q1 conducting, NPN triode Q3, resistance R3, voltage stabilizing didoe ZD1 forms voltage stabilizing circuit, stable output voltage VDD, VDD is that three terminal regulator VR1 powers, three terminal regulator VR1 stable output voltage VCC, VCC is that control module MCU powers, now accumulator voltage and photovoltaic panel terminal voltage can make power module obtain electric work, even if now photovoltaic panel is applied voltage to withdraw, power module still can obtain input voltage from accumulator terminal and carry out work.
Preferably, the controller for solar power circuit of the present embodiment is when being specifically applied in controller for solar, accumulator voltage detecting circuit and unloaded decision circuitry can be added, accumulator voltage detecting circuit is all connected with control module MCU with unloaded decision circuitry, voltage detecting circuit and unloaded decision circuitry are this area common circuit, no longer specifically describe at this.When control module MCU receive voltage detecting circuit detect storage battery be in under-voltage power shortage feedback signal or control module MCU receive unloaded decision circuitry the feedback signal of unloaded certain hour detected time, control module MCU output low level makes NPN triode Q2 end, thus PNP triode Q1 is ended, now electric capacity C4 is full of electricity, its one end be connected with R7 is that low level can not make NPN triode Q6 conducting, switch module is made to be in off-state, power module cannot be powered for control module MCU, therefore control module MCU cannot work, now control module MCU is in power failure state, not battery consumption electricity.The present embodiment is preferred, and when load open circuit is after 5 minutes, control module MCU makes switch module be in off-state by its output output low level.Only again apply voltage at photovoltaic panel end, power module just can be resumed work.
The controller for solar power circuit of the present embodiment is compared with the power circuit in embodiment 1, improvement is: when connecting separately storage battery, the controller of the power circuit of the present embodiment is adopted to enter operating state, both general use habit had been met, again can after load open circuit a period of time and in the situation such as storage battery under-voltage, control module MCU output low level makes NPN triode Q2 end, thus PNP triode Q1 is ended, now electric capacity C4 is full of electricity, its one end be connected with R7 is that low level can not make NPN triode Q6 conducting, now control module MCU cannot work.
embodiment 3
Composition graphs 1 and Fig. 4, the present embodiment is a kind of schematic diagram of controller for solar power circuit of optimization, be with the difference of embodiment 1, voltage stabilizing didoe ZD3 is connected with between the photovoltaic panel negative pole of the power module of the controller for solar power circuit of the present embodiment and resistance R4, the negative pole of voltage stabilizing didoe ZD3 is connected with resistance R4, and the positive pole of voltage stabilizing didoe ZD3 is connected on the connecting line of diode D1 and photovoltaic panel negative pole.Such benefit is: photovoltaic panel end applies voltage just must can make PNP triode Q4 conducting during voltage stabilizing value higher than voltage stabilizing didoe ZD3, can avoid the interference of signal and open by mistake, improve the reliability of this circuit.Other courses of work are consistent with the course of work of circuit in embodiment 1, do not repeat them here.
embodiment 4
Composition graphs 1 and Fig. 5, the present embodiment is a kind of schematic diagram of controller for solar power circuit of optimization, be with the difference of embodiment 2, voltage stabilizing didoe ZD3 is connected with between the photovoltaic panel negative pole of the power module of the controller for solar power circuit of the present embodiment and resistance R4, the negative pole of voltage stabilizing didoe ZD3 is connected with resistance R4, and the positive pole of voltage stabilizing didoe ZD3 is connected on the connecting line of diode D1 and photovoltaic panel negative pole.Such benefit is: photovoltaic panel end applies voltage just must can make PNP triode Q4 conducting during voltage stabilizing value higher than voltage stabilizing didoe ZD3, can avoid the interference of signal and open by mistake, improve the reliability of this circuit.Other courses of work are consistent with the course of work of circuit in embodiment 2, do not repeat them here.
Set forth a lot of detail in the above description so that fully understand the present invention.But above description is only preferred embodiment of the present invention, the present invention can be much different from alternate manner described here to implement, and therefore the present invention is not by the disclosed concrete restriction implemented above.Any those skilled in the art are not departing under technical solution of the present invention ambit simultaneously, the Method and Technology content of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (6)
1. a controller for solar power circuit, it is characterized in that: comprise power module, switch module and control module, described power module is provided with photovoltaic panel input and storage battery inputs two input sources, storage battery input is connected to power module by switch module, under initial condition, switch module is in off-state, described power module provides working power for control module, described control module control switch module closed with disconnect.
2. controller for solar power circuit according to claim 1, is characterized in that: described control module detects battery tension value by voltage detecting circuit, detects loading condition by unloaded decision circuitry.
3. controller for solar power circuit according to claim 1, is characterized in that: described control module is MCU.
4. controller for solar power circuit according to claim 1, is characterized in that:
Described power module comprises NPN triode Q3, resistance R3, voltage stabilizing didoe ZD1, filter capacitor C2, PNP triode Q4, resistance R4, NPN triode Q5, resistance R5, voltage stabilizing didoe ZD2, diode D1, three terminal regulator VR1, filter capacitor C3;
Wherein, NPN triode Q3, resistance R3 and voltage stabilizing didoe ZD1 form voltage stabilizing circuit, resistance R3 connects collector electrode and the base stage of NPN triode Q3, voltage stabilizing didoe ZD1 negative pole is connected with the base stage of NPN triode Q3, plus earth, the emitter of NPN triode Q3 is connected with the input of three terminal regulator VR1;
NPN triode Q5, resistance R5 and voltage stabilizing didoe ZD2 form voltage stabilizing circuit, resistance R5 connects collector electrode and the base stage of NPN triode Q5, voltage stabilizing didoe ZD2 negative pole is connected with the base stage of NPN triode Q5, plus earth, the emitter of NPN triode Q5 is connected with the input of three terminal regulator VR1;
The emitter of PNP triode Q4 is connected with the positive pole of photovoltaic panel, and collector electrode is connected with the collector electrode of NPN triode Q5, and base stage is connected by resistance R4 with photovoltaic panel negative pole, and diode D1 negative pole is connected with photovoltaic panel negative pole, plus earth;
The earth terminal ground connection of three terminal regulator VR1, the input of three terminal regulator VR1 and earth terminal are parallel with filter capacitor C2, and the output and ground of three terminal regulator VR1 is parallel with filter capacitor C3;
Described switch module comprises PNP triode Q1, NPN triode Q2, resistance R1, resistance R2;
Wherein, the emitter of PNP triode Q1 is connected with battery positive voltage, the base stage of PNP triode Q1 is connected by resistance R1 with the collector electrode of NPN triode Q2, the base stage of NPN triode Q2 is connected with the output of control module by resistance R2, and the emitter of NPN triode Q2 is connected with the negative pole of storage battery;
The collector electrode of the PNP triode Q1 of described switch module is connected with the collector electrode of the NPN triode Q3 of power module, and described control module is powered by the output of the three terminal regulator VR1 of power module.
5. controller for solar power circuit according to claim 4, it is characterized in that: switch module also comprises electric capacity C4, resistance R6, resistance R7 and NPN triode Q6, electric capacity C4 and resistance R7 is in series with between the positive pole of storage battery and negative pole, electric capacity C4 is connected with the positive pole of storage battery, the collector electrode of NPN triode Q6 is connected with the collector electrode of NPN triode Q2, the emitter of NPN triode Q6 is connected with the negative pole of storage battery, resistance R6 one end is connected with the base stage of NPN triode Q6, and the other end is connected electric capacity C4 one end with resistance R7 connects.
6. the controller for solar power circuit according to claim 4 or 5, it is characterized in that: between the photovoltaic panel negative pole of described power module and resistance R4, be connected with voltage stabilizing didoe ZD3, the negative pole of described voltage stabilizing didoe ZD3 is connected with resistance R4, and the positive pole of voltage stabilizing didoe ZD3 is connected on the connecting line of diode D1 and photovoltaic panel negative pole.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN106357001A (en) * | 2016-10-08 | 2017-01-25 | 班戈设备系统（苏州）有限公司 | Electric power monitoring system and monitoring method for distributive photovoltaic power generating station |
| CN107069902A (en) * | 2017-06-22 | 2017-08-18 | 安徽锐能科技有限公司 | power supply circuit for battery management system |
| CN107508342A (en) * | 2017-08-14 | 2017-12-22 | 惠州市蓝微电子有限公司 | A kind of lithium battery MCU power supply protection circuits |
| CN108366465A (en) * | 2018-04-24 | 2018-08-03 | 华域视觉科技(上海)有限公司 | A kind of control circuit for light source and lighting device |
| CN110989468A (en) * | 2019-12-26 | 2020-04-10 | 东风电子科技股份有限公司 | Redundant control system and corresponding automotive electronic micro-control system |
| CN114062800A (en) * | 2021-10-13 | 2022-02-18 | 重庆创迪科技发展有限公司 | Wireless light energy door lock detection device based on 2.4G communication control system |
| WO2024183679A1 (en) * | 2023-03-07 | 2024-09-12 | 珠海冠宇动力电源有限公司 | Battery system, control method for battery system, and vehicle |
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| CN106026338A (en) * | 2016-06-12 | 2016-10-12 | 深圳硕日新能源科技有限公司 | Power supply circuit capable of realizing dormant state of solar controller |
| CN106026338B (en) * | 2016-06-12 | 2018-05-22 | 深圳硕日新能源科技有限公司 | A kind of power circuit of achievable controller for solar dormancy |
| CN106357001A (en) * | 2016-10-08 | 2017-01-25 | 班戈设备系统（苏州）有限公司 | Electric power monitoring system and monitoring method for distributive photovoltaic power generating station |
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| CN107508342A (en) * | 2017-08-14 | 2017-12-22 | 惠州市蓝微电子有限公司 | A kind of lithium battery MCU power supply protection circuits |
| CN108366465A (en) * | 2018-04-24 | 2018-08-03 | 华域视觉科技(上海)有限公司 | A kind of control circuit for light source and lighting device |
| CN110989468A (en) * | 2019-12-26 | 2020-04-10 | 东风电子科技股份有限公司 | Redundant control system and corresponding automotive electronic micro-control system |
| CN114062800A (en) * | 2021-10-13 | 2022-02-18 | 重庆创迪科技发展有限公司 | Wireless light energy door lock detection device based on 2.4G communication control system |
| WO2024183679A1 (en) * | 2023-03-07 | 2024-09-12 | 珠海冠宇动力电源有限公司 | Battery system, control method for battery system, and vehicle |
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