CN204391848U - A kind of solar charging controller for electric consumption - Google Patents

A kind of solar charging controller for electric consumption Download PDF

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Publication number
CN204391848U
CN204391848U CN201520116162.1U CN201520116162U CN204391848U CN 204391848 U CN204391848 U CN 204391848U CN 201520116162 U CN201520116162 U CN 201520116162U CN 204391848 U CN204391848 U CN 204391848U
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China
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circuit
resistance
diode
pins
negative pole
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Expired - Fee Related
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CN201520116162.1U
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Chinese (zh)
Inventor
唐杰
杨允
刘贝
李然
周攀明
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Shaoyang University
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Shaoyang University
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model discloses a kind of solar charging controller for electric consumption, comprises solar battery array, charging main circuit, storage battery, drive circuit, control circuit, PWM wave generation circuit, current/voltage Acquisition Circuit, auxiliary power circuit, voltage follower circuit, signal conditioning circuit, temperature sensing circuit, keyboard circuit, display circuit, communicating circuit.Described solar battery array, charging main circuit, storage battery are connected successively, described current/voltage Acquisition Circuit is connected with charging main circuit, described PWM wave generation circuit, voltage follower circuit, signal conditioning circuit, keyboard circuit, display circuit, communicating circuit, temperature sensing circuit are connected with control circuit respectively, the utility model has the advantage of and can utilize solar energy to greatest extent, improve charge efficiency, extend the useful life of storage battery, powerful.

Description

A kind of solar charging controller for electric consumption
One, technical field
The utility model relates to a kind of battery charge controller, is specially the Battery charge controller device being applied to solar photovoltaic generation system.
Two, background technology
In the face of the double challenge of energy shortage and environmental pollution, development new forms of energy have been trend of the times.Solar energy is large with its reserves, distribution is wide, easily the feature such as acquisition must arrive various countries and to incline love, but its unsteadiness makes a link very important to the exploitation of solar energy store exactly.The electric energy sent by battery stores solar energy is current generally accepted mode, and therefore, solar recharging control technology is rapidly developed.
In the prior art, charge controller many employings pure hardware circuit of traditional solar photovoltaic generation system or the microprocessor of low side, charging modes is also is mostly constant current or constant voltage mode, do not consider the charge characteristic of storage battery, cause charge efficiency, control precision on the low side, also can affect the useful life of storage battery.The PWM ripple of the charge controller of employing PWM is many to be produced by Master control chip, affects the control of Master control chip to charging circuit, reduces the stability of controller.Most solar charging controller for electric consumption does not have maximum power point electric tracing (MPPT) function, and this just makes the energy of battery charge controller fill to change efficiency lower.
Three, summary of the invention
In view of present technology exists above-mentioned deficiency, the purpose of this utility model is to provide a kind of solar charging controller for electric consumption based on ARM.
The technical scheme that the utility model solves the problem is as follows:
Solar charging controller for electric consumption of the present utility model, comprises solar battery array, charging main circuit, storage battery, drive circuit, control circuit, PWM wave generation circuit, current/voltage Acquisition Circuit, auxiliary power circuit, voltage follower circuit, signal conditioning circuit, temperature sensing circuit, keyboard circuit, display circuit, communicating circuit.Described solar battery array, charging main circuit, storage battery are connected successively, described current/voltage Acquisition Circuit is connected with charging main circuit, described PWM wave generation circuit, voltage follower circuit, signal conditioning circuit, keyboard circuit, display circuit, communicating circuit, temperature sensing circuit are connected with control circuit respectively, described PWM wave generation circuit is connected with drive circuit, and described drive circuit is connected with charging main circuit.
Described charging main circuit selects BUCK circuit, and MOSFET selected by BUCK circuit breaker in middle device.
IR2117 selected by described drive circuit.
Described control circuit selects arm processor LPC2148 as control core, the current and voltage signals of received current voltage collection circuit and the temperature signal of temperature sensing circuit, carries out calculating rear output signal to PWM wave generation circuit.
Described PWM wave generation circuit selects TL494.
Described auxiliary power circuit, by storage battery power supply, is transformed into stable+10V ,-9V power supply, is each circuit supply.+ 3.3V needed for control circuit ,+5V power supply can be obtained by voltage stabilizing chip LD1117 by+10V power supply, and has effectively gentle overcurrent protection excessively.
Described temperature collection circuit selects DS18B20.
Described communicating circuit selects RS232 interface.
Advantage of the present utility model is as follows:
This solar charging controller for electric consumption adopts numeral---simulate the control mode combined, selecting high-performance arm processor LPC2148, PWM ripple to produce chip TL494 is the core component of system, by LPC2148 as main control chip, produce PWM ripple by special chip TL494, save the internal resource of processor LPC2148.The collection signal of solar battery array output voltage and electric current, storage battery input voltage and electric current is received by LPC2148, simultaneously according to the algorithm preset, given TL494 target voltage values also produces the MOSFET of PWM ripple by IR2117 drive circuit driving charging main circuit to charge in batteries.In addition, this device adopts three stage charging modes, needs to detect the voltage of storage battery, charging current performs specific program and realize constant current charge to storage battery, constant voltage charge, floating charge according to the charge characteristic of storage battery.This device also has MPPT function, plays effect of photovoltaic cell further.This device can utilize solar energy to greatest extent, improves charge efficiency, extends the useful life of storage battery, powerful.
Four, accompanying drawing explanation
Fig. 1 is the module diagram of described solar charging controller for electric consumption.
Fig. 2 is described auxiliary power circuit figure.
Fig. 3 is described signal conditioning circuit figure.
Fig. 4 is described drive circuit figure.
Five, embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
See Fig. 1, solar charging controller for electric consumption of the present utility model, comprises solar battery array, charging main circuit, storage battery, drive circuit, control circuit, PWM wave generation circuit, current/voltage Acquisition Circuit, auxiliary power circuit, voltage follower circuit, signal conditioning circuit, temperature sensing circuit, keyboard circuit, display circuit, communicating circuit.Described solar battery array, charging main circuit, storage battery are connected successively, described current/voltage Acquisition Circuit is connected with charging main circuit, described PWM wave generation circuit, voltage follower circuit, signal conditioning circuit, keyboard circuit, display circuit, communicating circuit, temperature sensing circuit are connected with control circuit respectively, described PWM wave generation circuit is connected with drive circuit, described drive circuit is connected with charging main circuit, and described auxiliary power circuit provides power supply for each circuit.
High-performance arm processor LPC2148 is as main control chip, solar battery array output voltage signal and current signal, storage battery input voltage signal and current signal, temperature signal are gathered, according to the algorithm preset, pass through voltage follower circuit, given TL494 target voltage values, TL494 produces PWM ripple, is driven the MOSFET of charging main circuit by driving chip IR2117, controls charging main circuit to the charging of storage battery.Current acquisition gathers electric current by sealing in little valued resistor in charging main circuit.Voltage acquisition gathers voltage by bleeder circuit.The electric current gathered is by signal conditioning circuit process, and voltage is by sending LPC2148 to after voltage follower circuit process.Display circuit adopts Nokia5110, display charge in batteries stage, solar battery array output voltage and electric current, input voltage and electric current etc.Communicating circuit adopts measurement data and the operating state of RS232 uploading system.Can according to the charge parameter of the kind of actual storage battery, capacity change relative program by arranging of keyboard circuit.
See Fig. 2, described auxiliary power circuit can be the+10V of other circuit with stable,-9V power supply, main composition: the positive pole BAT of storage battery connects the positive pole of diode D6, the negative pole of diode D6 connects inductance L 1 respectively, No. 5 pins of LM2587 and the positive pole of electrochemical capacitor C6, the other end of inductance L 1 connects the negative pole of electrochemical capacitor C5, No. 4 pins of LM2587 and the negative pole of diode D3, the positive pole of the cathode connecting diode D7 of electrochemical capacitor C5, the positive pole of diode D4 and inductance L 2, the negative pole of diode D7 connects the positive pole of electrochemical capacitor C7, the positive pole of electrochemical capacitor C8, resistance R3 and resistance R4, the voltage at diode D7 negative pole place is exactly+10V and leads to other circuit supplies, the positive pole of the other end connecting luminous diode D8 of described resistance R3, No. 2 pins of other end contact resistance R6 and LM2587 of described resistance R4, the positive pole of described diode D3 connects the negative pole of electrochemical capacitor C1 and the negative pole of diode D4, the negative pole of the cathode connecting diode D1 of electrochemical capacitor C1 and the positive pole of diode D5, the positive pole of diode D1 connects the collector electrode of PNP type triode Q1, the negative pole of resistance R2 and electrochemical capacitor C2, the emitter contact resistance R1 of PNP type triode Q1 and the negative pole of electrochemical capacitor C3, the voltage at the emitter place of PNP type triode Q1 is exactly-9V and leads to other circuit supplies, the negative pole of the other end connecting luminous diode D2 of described resistance R1, the other end of base stage contact resistance R2 of described PNP type triode Q1 and the negative pole of electrochemical capacitor C4, No. 1 pin contact resistance R5 of described LM2587, the other end of resistance R5 connects electric capacity C9, the negative pole of described electrochemical capacitor C6, the other end of inductance L 2, the negative pole of electrochemical capacitor C7, the negative pole of electrochemical capacitor C8, the negative pole of light-emitting diode D8, the other end of resistance R6, the negative pole of diode D5, the positive pole of electrochemical capacitor C2, the positive pole of electrochemical capacitor C3, the positive pole of light-emitting diode D2, the positive pole of electrochemical capacitor C4, the other end of electric capacity C9, No. 3 pins of LM2587 connect the negative pole of storage battery.
See Fig. 3, the main composition of described signal conditioning circuit: the electric current of current acquisition resistance flows into end I +connect No. 3 pins of INA138, the outflow of bus current end I of current acquisition resistance -connect No. 4 pins of INA138, No. 5 pins of INA138 connect+10V power supply, No. 1 pin contact resistance R7 of INA138 and resistance R8, the other end of resistance R8 connects No. 3 pins of electric capacity C10 and OP07, No. 7 pins of OP07 connect+10V power supply, No. 4 pins of OP07 connect-9V power supply, No. 1 pin of OP07 connects the stiff end of variable resistor R9, another stiff end of variable resistor R9 connects No. 8 pins of OP07, the sliding end of variable resistor R9 connects+10V power supply, No. 2 pins of No. 6 pin contact resistance R10 and OP07 of described OP07, the other end of resistance R10 connects the negative pole of voltage stabilizing didoe D9 and the A/D module of control circuit LPC2148, No. 2 pins of described INA138, the other end of resistance R7, the other end of electric capacity C10, the positive pole connection signal ground of voltage stabilizing didoe D9.
See Fig. 4, No. 1 pin of the main composition of described drive circuit: IR2117 connects electric capacity C11, the positive pole of diode D10 and+10V power supply, the negative pole of diode D10 connects No. 8 pins of electric capacity C12 and IR2117, the other end contact resistance R12 of electric capacity C12, No. 6 pins of IR2117 and the drain electrode of MOSFET in charging main circuit, the other end contact resistance R11 of resistance R12 and the grid of MOSFET in charging main circuit, the other end of resistance R11 connects No. 7 pins of IR2117, No. 2 pins of IR2117 connect the given voltage end of TL494 in PWM wave generation circuit, the other end of described electric capacity C11, No. 3 pin connection signal ground of IR2117.
The above is only preferred embodiment of the present utility model, and relevant staff under the prerequisite not departing from the utility model know-why, simply can improve and modification, and these improve and modification also should be considered as protection range of the present utility model.

Claims (5)

1. a solar charging controller for electric consumption, comprise solar battery array, charging main circuit, storage battery, drive circuit, control circuit, PWM wave generation circuit, current/voltage Acquisition Circuit, auxiliary power circuit, voltage follower circuit, signal conditioning circuit, temperature sensing circuit, keyboard circuit, display circuit, communicating circuit, described solar battery array, charging main circuit, storage battery is connected successively, described current/voltage Acquisition Circuit is connected with charging main circuit, described PWM wave generation circuit, voltage follower circuit, signal conditioning circuit, keyboard circuit, display circuit, communicating circuit, temperature sensing circuit is connected with control circuit respectively, described PWM wave generation circuit is connected with drive circuit, described drive circuit is connected with charging main circuit, described auxiliary power circuit provides power supply for each circuit.
2. solar charging controller for electric consumption according to claim 1, it is characterized in that, device adopts numeral---simulate the control mode combined, selecting high-performance arm processor LPC2148, PWM ripple to produce chip TL494 is the core component of system, by LPC2148 as main control chip, produce PWM ripple by special chip TL494.
3. solar charging controller for electric consumption according to claim 1, it is characterized in that, described auxiliary power circuit main composition: the positive pole BAT of storage battery connects the positive pole of diode D6, the negative pole of diode D6 connects inductance L 1 respectively, No. 5 pins of LM2587 and the positive pole of electrochemical capacitor C6, the other end of inductance L 1 connects the negative pole of electrochemical capacitor C5, No. 4 pins of LM2587 and the negative pole of diode D3, the positive pole of the cathode connecting diode D7 of electrochemical capacitor C5, the positive pole of diode D4 and inductance L 2, the negative pole of diode D7 connects the positive pole of electrochemical capacitor C7, the positive pole of electrochemical capacitor C8, resistance R3 and resistance R4, the voltage at diode D7 negative pole place is exactly+10V and leads to other circuit supplies, the positive pole of the other end connecting luminous diode D8 of described resistance R3, No. 2 pins of other end contact resistance R6 and LM2587 of described resistance R4, the positive pole of described diode D3 connects the negative pole of electrochemical capacitor C1 and the negative pole of diode D4, the negative pole of the cathode connecting diode D1 of electrochemical capacitor C1 and the positive pole of diode D5, the positive pole of diode D1 connects the collector electrode of PNP type triode Q1, the negative pole of resistance R2 and electrochemical capacitor C2, the emitter contact resistance R1 of PNP type triode Q1 and the negative pole of electrochemical capacitor C3, the voltage at the emitter place of PNP type triode Q1 is exactly-9V and leads to other circuit supplies, the negative pole of the other end connecting luminous diode D2 of described resistance R1, the other end of base stage contact resistance R2 of described PNP type triode Q1 and the negative pole of electrochemical capacitor C4, No. 1 pin contact resistance R5 of described LM2587, the other end of resistance R5 connects electric capacity C9, the negative pole of described electrochemical capacitor C6, the other end of inductance L 2, the negative pole of electrochemical capacitor C7, the negative pole of electrochemical capacitor C8, the negative pole of light-emitting diode D8, the other end of resistance R6, the negative pole of diode D5, the positive pole of electrochemical capacitor C2, the positive pole of electrochemical capacitor C3, the positive pole of light-emitting diode D2, the positive pole of electrochemical capacitor C4, the other end of electric capacity C9, No. 3 pins of LM2587 connect the negative pole of storage battery.
4. solar charging controller for electric consumption according to claim 1, it is characterized in that, the main composition of described signal conditioning circuit: the electric current of current acquisition resistance flows into No. 3 pins of end I+ connection INA138, the outflow of bus current end I of current acquisition resistance connects No. 4 pins of INA138, No. 5 pins of INA138 connect+10V power supply, No. 1 pin contact resistance R7 of INA138 and resistance R8, the other end of resistance R8 connects No. 3 pins of electric capacity C10 and OP07, No. 7 pins of OP07 connect+10V power supply, No. 4 pins of OP07 connect-9V power supply, No. 1 pin of OP07 connects the stiff end of variable resistor R9, another stiff end of variable resistor R9 connects No. 8 pins of OP07, the sliding end of variable resistor R9 connects+10V power supply, No. 2 pins of No. 6 pin contact resistance R10 and OP07 of described OP07, the other end of resistance R10 connects the negative pole of voltage stabilizing didoe D9 and the A/D module of control circuit LPC2148, No. 2 pins of described INA138, the other end of resistance R7, the other end of electric capacity C10, the positive pole connection signal ground of voltage stabilizing didoe D9.
5. solar charging controller for electric consumption according to claim 1, it is characterized in that, No. 1 pin of the main composition of described drive circuit: IR2117 connects electric capacity C11, the positive pole of diode D10 and+10V power supply, the negative pole of diode D10 connects No. 8 pins of electric capacity C12 and IR2117, the other end contact resistance R12 of electric capacity C12, No. 6 pins of IR2117 and the drain electrode of MOSFET in charging main circuit, the other end contact resistance R11 of resistance R12 and the grid of MOSFET in charging main circuit, the other end of resistance R11 connects No. 7 pins of IR2117, No. 2 pins of IR2117 connect the given voltage end of TL494 in PWM wave generation circuit, the other end of described electric capacity C11, No. 3 pin connection signal ground of IR2117.
CN201520116162.1U 2015-02-13 2015-02-13 A kind of solar charging controller for electric consumption Expired - Fee Related CN204391848U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107103558A (en) * 2017-05-12 2017-08-29 深圳市诚信诺科技有限公司 Solar powered illumination charging system
CN108123533A (en) * 2016-11-30 2018-06-05 镇江石鼓文智能化系统开发有限公司 A kind of solar charging controller system
CN113206525A (en) * 2021-05-06 2021-08-03 秦佳电气有限公司 Electric power energy storage control assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108123533A (en) * 2016-11-30 2018-06-05 镇江石鼓文智能化系统开发有限公司 A kind of solar charging controller system
CN107103558A (en) * 2017-05-12 2017-08-29 深圳市诚信诺科技有限公司 Solar powered illumination charging system
CN113206525A (en) * 2021-05-06 2021-08-03 秦佳电气有限公司 Electric power energy storage control assembly

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150610

Termination date: 20170213

CF01 Termination of patent right due to non-payment of annual fee