CN104333064A - Single-lithium-battery solar energy controller with boosting LED (Light Emitting Diode) constant current driving - Google Patents

Single-lithium-battery solar energy controller with boosting LED (Light Emitting Diode) constant current driving Download PDF

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Publication number
CN104333064A
CN104333064A CN201410594706.5A CN201410594706A CN104333064A CN 104333064 A CN104333064 A CN 104333064A CN 201410594706 A CN201410594706 A CN 201410594706A CN 104333064 A CN104333064 A CN 104333064A
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CN
China
Prior art keywords
chip microcomputer
constant current
led
battery
solar energy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410594706.5A
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Chinese (zh)
Inventor
胡存刚
王亚波
张云雷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU EAST PV TECHNOLOGY Co Ltd
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JIANGSU EAST PV TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIANGSU EAST PV TECHNOLOGY Co Ltd filed Critical JIANGSU EAST PV TECHNOLOGY Co Ltd
Priority to CN201410594706.5A priority Critical patent/CN104333064A/en
Publication of CN104333064A publication Critical patent/CN104333064A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention relates to a solar energy controller, in particular to a single-lithium-battery solar energy controller with boosting LED (Light Emitting Diode) constant current driving. The single-lithium-battery solar energy controller with the boosting LED constant current driving comprises a solar energy battery, a single chip microcomputer and a storage battery; the solar energy battery is connected with an input end of the single chip microcomputer through a first A/D (Analog to Digital) sampling unit; an output end of the single chip microcomputer is connected with the solar energy battery; an output end of the single chip microcomputer is connected with the storage battery through a charge-discharge control unit; the storage battery is connected with the input end of the single chip microcomputer through a second A/D (Analog to Digital) sampling unit; the single chip microcomputer is also connected with a lithium battery power supply unit; the single chip microcomputer is connected with an LED through a boosting LED constant current driving unit. According to the above structure of the single-lithium-battery solar energy controller with the boosting LED constant current driving, the single lithium battery is used to supply power, the size of a controller is reduced, the operation reliability of the controller is increased, protection of charging and discharging of the storage battery is achieved, and the system stability is improved.

Description

The single lithium battery controller for solar that band boosting LED constant current drives
Technical field
The present invention relates to controller for solar, particularly a kind of single lithium battery controller for solar driven with boosting LED constant current.
Background technology
Controller for solar full name is solar charging/discharging controller, is in solar power system, controls multichannel solar cell array to charge in batteries and storage battery to the automatic control equipment of solar inverter load supplying.
But also there is many urgent problems in the photo-voltaic power supply controller now developed.In fact; contradiction is there is between the practicality and the optimization of charge in batteries strategy of MPPT (maximal power tracing point) technology; efficiency of energy utilization is lower; accumulator cell charging and discharging mode unreasonable; abundant not to the protection of storage battery, these are all ubiquitous problems in the market.In order to carry out comprehensive development and utilization to photovoltaic resource, the mode adopting single lithium battery to combine with storage battery, improves stability and the reliability of controller for solar.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of stablizing and the single lithium battery controller for solar of band LED voltage increase and current constant driving reliably.
For solving above-mentioned technical problem, the single lithium battery controller for solar that band boosting LED constant current of the present invention drives comprises solar cell, single-chip microcomputer and storage battery, described solar cell is connected with single-chip microcomputer phase input by an A/D sampling unit, and described single-chip microcomputer output is connected with solar cell; Described single-chip microcomputer output is connected with storage battery by charge-discharge control unit, and described storage battery is connected with single-chip microcomputer input by the 2nd A/D sampling unit; Described single-chip microcomputer is also connected with lithium battery power supply unit, and described single-chip microcomputer is connected with LED by boosting LED constant current driver element.
Further, the drain electrode that described boosting LED constant current driver element comprises metal-oxide-semiconductor J1 is connected with storage battery by inductance L 1, and the grid of described metal-oxide-semiconductor J1 is connected with single-chip microcomputer output, the source ground of described metal-oxide-semiconductor J1; Described metal-oxide-semiconductor J1 drain electrode be connected with diode D1 positive pole, described diode D1 negative pole is connected with electric capacity C1 with LED respectively, described electric capacity C1 other end ground connection; Described LED, by resistance R1 ground connection, is connected with single-chip microcomputer input between described LED with resistance R1.
Further, described single-chip microcomputer also communicates to connect with host computer.
After adopting said structure, controller for solar drives with great power LED and combines by the present invention, realizes, can increase the reliability of whole solar control system undoubtedly, and reduce costs in a controller.Use single lithium battery is powered, and reduces the volume of controller, increases the operational reliability of controller, and can realize protecting the discharge and recharge of storage battery, improves the stability of system.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is structured flowchart of the present invention.
Fig. 2 is that the present invention is boosted the circuit theory diagrams of LED constant current driver element.
In figure: 1 is single-chip microcomputer, 2 is solar cell, and 3 is an A/D sampling unit, and 4 is storage battery, 5 is the 2nd A/D sampling unit, 6 is charge-discharge control unit, and 7 is lithium battery power supply unit, and 8 is boosting LED constant current driver element, 9 is LED, 10 is host computer, and 11 is single-chip microcomputer output, and 12 is single-chip microcomputer input
Embodiment
As shown in Figure 1, the single lithium battery controller for solar that band boosting LED constant current of the present invention drives comprises solar cell 2, single-chip microcomputer 1 and storage battery 4, described solar cell is connected with single-chip microcomputer phase input by an A/D sampling unit 3, and described single-chip microcomputer output is connected with solar cell; Described single-chip microcomputer output is connected with storage battery by charge-discharge control unit 6, and described storage battery is connected with single-chip microcomputer input by the 2nd A/D sampling unit 5; Described single-chip microcomputer is also connected with lithium battery power supply unit 7, and described single-chip microcomputer is connected with LED9 by boosting LED constant current driver element 8.Adopt single lithium battery to power to controller, reduce external power source to the impact of controller, improve stability.
As shown in Figure 2, the drain electrode that described boosting LED constant current driver element comprises metal-oxide-semiconductor J1 is connected with storage battery by inductance L 1, and the grid of described metal-oxide-semiconductor J1 is connected with single-chip microcomputer output, the source ground of described metal-oxide-semiconductor J1; Described metal-oxide-semiconductor J1 drain electrode be connected with diode D1 positive pole, described diode D1 negative pole is connected with electric capacity C1 with LED respectively, described electric capacity C1 other end ground connection; Described LED, by resistance R1 ground connection, is connected with single-chip microcomputer input between described LED with resistance R1.Single-chip microcomputer is by the sampling of load current, produce PWM ripple, the break-make of control switch pipe J1, realize the charging to electric capacity and powering load, diode plays the effect of afterflow protection, large inductance ensures the change that electric current is less when switching tube break-make, this switching tube and LC circuit basic comprising load main circuit, produced the break-make of PWM ripple control switch pipe by program, the voltage increase and current constant that can realize LED controls; Meanwhile, through current sample, the real-time control of load current can be realized.
Further, described single-chip microcomputer 1 also communicates to connect with host computer 10, carries out real time communication with host computer, realizes real-time control and the man-machine interaction of system.
Although the foregoing describe the specific embodiment of the present invention; but those skilled in the art are to be understood that; these only illustrate; various changes or modifications can be made to present embodiment; and not deviating from principle and the essence of invention, protection scope of the present invention is only defined by the appended claims.

Claims (3)

1. the single lithium battery controller for solar driven with boosting LED constant current, it is characterized in that: comprise solar cell, single-chip microcomputer and storage battery, described solar cell is connected with single-chip microcomputer phase input by an A/D sampling unit, and described single-chip microcomputer output is connected with solar cell; Described single-chip microcomputer output is connected with storage battery by charge-discharge control unit, and described storage battery is connected with single-chip microcomputer input by the 2nd A/D sampling unit; Described single-chip microcomputer is also connected with lithium battery power supply unit, and described single-chip microcomputer is connected with LED by boosting LED constant current driver element.
2. according to the single lithium battery controller for solar that band step-down LED constant current according to claim 1 drives, it is characterized in that: the drain electrode that described boosting LED constant current driver element comprises metal-oxide-semiconductor J1 is connected with storage battery by inductance L 1, the grid of described metal-oxide-semiconductor J1 is connected with single-chip microcomputer output, the source ground of described metal-oxide-semiconductor J1; Described metal-oxide-semiconductor J1 drain electrode be connected with diode D1 positive pole, described diode D1 negative pole is connected with electric capacity C1 with LED respectively, described electric capacity C1 other end ground connection; Described LED, by resistance R1 ground connection, is connected with single-chip microcomputer input between described LED with resistance R1.
3., according to the single lithium battery controller for solar that band step-down LED constant current according to claim 1 drives, it is characterized in that: described single-chip microcomputer also communicates to connect with host computer.
CN201410594706.5A 2014-10-29 2014-10-29 Single-lithium-battery solar energy controller with boosting LED (Light Emitting Diode) constant current driving Pending CN104333064A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410594706.5A CN104333064A (en) 2014-10-29 2014-10-29 Single-lithium-battery solar energy controller with boosting LED (Light Emitting Diode) constant current driving

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410594706.5A CN104333064A (en) 2014-10-29 2014-10-29 Single-lithium-battery solar energy controller with boosting LED (Light Emitting Diode) constant current driving

Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104619088A (en) * 2015-02-10 2015-05-13 武汉精创科技有限公司 LED stroboscope

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202065857U (en) * 2011-03-15 2011-12-07 保定市光谱电子科技有限公司 LED streetlamp
CN202759648U (en) * 2012-08-24 2013-02-27 扬州乔恒电子有限公司 Boost constant current solar energy LED street lamp controller
CN202998609U (en) * 2012-12-26 2013-06-12 四川新力光源股份有限公司 Led constant current dimming power supply
CN103560490A (en) * 2013-08-24 2014-02-05 李玉峰 Protection circuit of boost constant current power supply output short circuit
CN203840615U (en) * 2014-05-06 2014-09-17 安徽省安泰科技股份有限公司 Waterproof solar street lamp controller
CN204316108U (en) * 2014-10-29 2015-05-06 江苏东润光伏科技有限公司 The single lithium battery controller for solar that band boosting LED constant current drives

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202065857U (en) * 2011-03-15 2011-12-07 保定市光谱电子科技有限公司 LED streetlamp
CN202759648U (en) * 2012-08-24 2013-02-27 扬州乔恒电子有限公司 Boost constant current solar energy LED street lamp controller
CN202998609U (en) * 2012-12-26 2013-06-12 四川新力光源股份有限公司 Led constant current dimming power supply
CN103560490A (en) * 2013-08-24 2014-02-05 李玉峰 Protection circuit of boost constant current power supply output short circuit
CN203840615U (en) * 2014-05-06 2014-09-17 安徽省安泰科技股份有限公司 Waterproof solar street lamp controller
CN204316108U (en) * 2014-10-29 2015-05-06 江苏东润光伏科技有限公司 The single lithium battery controller for solar that band boosting LED constant current drives

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104619088A (en) * 2015-02-10 2015-05-13 武汉精创科技有限公司 LED stroboscope

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Application publication date: 20150204