CN203645388U - Two-way alternative charge-discharge solar photovoltaic controller - Google Patents

Two-way alternative charge-discharge solar photovoltaic controller Download PDF

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Publication number
CN203645388U
CN203645388U CN201320694292.4U CN201320694292U CN203645388U CN 203645388 U CN203645388 U CN 203645388U CN 201320694292 U CN201320694292 U CN 201320694292U CN 203645388 U CN203645388 U CN 203645388U
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CN
China
Prior art keywords
main line
photovoltaic controller
anodal
chip microcomputer
wire
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.)
Expired - Fee Related
Application number
CN201320694292.4U
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Chinese (zh)
Inventor
盛荣
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.)
Hubei Ge Run New Forms Of Energy Co Ltd
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Hubei Ge Run New Forms Of Energy Co Ltd
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Priority to CN201320694292.4U priority Critical patent/CN203645388U/en
Application granted granted Critical
Publication of CN203645388U publication Critical patent/CN203645388U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers

Abstract

The utility model provides a two-way alternative charge-discharge solar photovoltaic controller. The photovoltaic controller comprises a circuit board, a single-chip microcomputer disposed on the circuit board, two single-pole double throw relays, a plurality of driving control circuit modules, and connection lines. The single-chip microcomputer controls a MOSFET switch tube through a power driving circuit by using an I/O interface, so as to achieve an objective of charging and discharging, and controls the two single-pole double throw relays through an optocoupler amplifying driving circuit by using an I/O interface. The two single-pole double throw relays are respectively connected with a storage battery. Through the photovoltaic controller, a solar cell panel can respectively charge two storage batteries in a commutation manner, so the two storage batteries alternatively charge and discharge each other, being beneficial for uninterrupted lasting operation of electric energy.

Description

Two way alternate discharges and recharges solar photovoltaic controller
Technical field
The utility model relates to a kind of solar photovoltaic controller, and a kind of two way alternate specifically discharges and recharges solar photovoltaic controller.
Background technology
Solar photovoltaic controller is the core component of solar photovoltaic generation system, and traditional solar photovoltaic controller has accumulator super-charge, Cross prevention and PWM charging control function, also has light-operated time control function.Traditional solar photovoltaic controller is mainly used in daytime solar panel to charge in batteries, the photovoltaic generating system of storage battery in evening to load discharge, wherein typical system has Solar Street Lighting System, solar insect-killing lamp system and solar energy Household illumination system.But the load of a lot of photovoltaic generating systems is not just worked at night, is more to work by day, within even round-the-clock 24 hours, all works, typical system has solar traffic light and solar energy outdoor electric appliance power supply.Traditional solar photovoltaic controller is only supported single storage battery control, because a lot of loads also will be worked daytime, solar panel will occur like this to storage battery charging on one side, and storage battery is to the load situation of electric discharge on one side.This mode of operation can affect the cycle charge-discharge number of times of storage battery, the useful life of greatly reducing storage battery.
Summary of the invention
The utility model provides a kind of two way alternate to discharge and recharge solar photovoltaic controller, can connect two storage batterys, allow two storage batterys can mutually replace charging and discharging, make thus charging and electricity consumption all be independent of each other, stopped that single storage battery charges while the problem of discharging.
The utility model comprises circuit board and single-chip microcomputer disposed thereon, two single-pole double throw type relays, several Drive and Control Circuit module and connection lines, the technical scheme adopting is: anodal main line and negative pole main line two main lines road are set on circuit board, anodal main line one end is connected with solar panel is anodal, the other end is connected with load is anodal, negative pole main line one end is connected with solar panel, the two switch mosfet pipes of other end series winding and two single-pole double throw type relays, the current sensor of contacting is again connected with switch mosfet Guan Houyu load negative pole, two single-pole double throw type relays of negative pole main line series winding are provided with heavy gauge wire and are respectively connected to the negative pole of a storage battery, between the positive pole of two storage batterys, being provided with heavy gauge wire (19) is connected, one of them storage battery is connected with anodal main line by heavy gauge wire, between anodal main line and negative pole main line, be connected with two two-way Xiao Jite diodes and two accurate divider resistances, between two accurate divider resistances, there is a wire to connect single-chip microcomputer, this single-chip microcomputer is separately provided with wire and connects current sensor, and be connected with switch mosfet pipe by power driving circuit, be connected with two switch mosfet pipes respectively by pwm power drive circuit.
Technique scheme comprises: use single-chip processor i/o mouth control optocoupler amplifier, then drive two relays with optocoupler amplifier simultaneously.
Use the inner A/D of single-chip microcomputer by temperature sensor measurement ambient temperature, realize the temperature-compensating to storage battery.
On the wire being connected with storage battery at anodal main line, be connected with fuse, for overcurrent protection.
The utility model compared with prior art, there is following significant advantage and effect: the one, improve the charging service efficiency of solar photovoltaic cell panel, because the alternately charging of two storage batterys, can allow all the time the solar photovoltaic cell panel can be a charge in batteries; The 2nd, improve power consumption efficiency, because two storage batterys are replaced electric discharge mutually, can allow electricity consumption move in continual situation; Three be that two storage batterys can replace charging and discharging mutually, makes thus charging and electricity consumption all be independent of each other, and stopped that single storage battery charges while the problem of discharging.The utlity model has significant market development value, can better expand the occupation rate of market of solar photovoltaic cell panel.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
In figure: 1, circuit board, 2, single-chip microcomputer, 3, solar panel, 4, anodal main line, 5, negative pole main line, 6, load, 7, storage battery, 8, single-pole double throw type relay, 9, two switch mosfet pipes, 10, switch mosfet pipe, 11, current sensor, 12, pwm power drive circuit, 13, power driving circuit, 14, fuse, 15, optocoupler amplifier, 16, temperature sensor, 17, accurate divider resistance, 18, two-way Xiao Jite diode, 19, heavy gauge wire, 20, wire
Embodiment
Shown in Fig. 1: anodal main line 4 and negative pole main line 5 two main lines roads are set on circuit board 1.Anodal main line 4 one end are connected with solar panel 3 is anodal, and the other end is connected with load 6 is anodal, negative pole main line 5 one end are connected with solar panel 3 negative poles, the two switch mosfet pipes 9 of other end series winding and two single-pole double throw type relays 8, contact again current sensor 11 with after switch mosfet pipe 10, be connected with load 6 negative poles, two single-pole double throw type relays 9 that negative pole main line 5 is contacted are provided with heavy gauge wire 19 and are respectively connected to the negative pole of a storage battery 7, between the positive pole of two storage batterys 7, being provided with heavy gauge wire 19 is connected, one of them storage battery 7 is connected with anodal main line 4 by heavy gauge wire 19, between anodal main line 4 and negative pole main line 5, be connected with a two-way Xiao Jite diode 18 and two accurate divider resistances 17, between two accurate divider resistances 17, there is a wire 20 to connect single-chip microcomputer 2, this single-chip microcomputer 2 is separately provided with wire 20 and connects current sensor 11, and be connected with switch mosfet pipe 10 by power driving circuit 13, be connected with two switch mosfet pipes 9 respectively by pwm power drive circuit 12.Single-chip microcomputer 2 is provided with wire 20 and connects optocoupler amplifier 15.Single-chip microcomputer 2 is provided with wire 20 and is connected with temperature sensor 16.On the heavy gauge wire 19 being connected with storage battery 7 at anodal main line 4, be connected with fuse 14.

Claims (4)

1. a two way alternate discharges and recharges solar photovoltaic controller, comprise circuit board (1) and single-chip microcomputer (2) disposed thereon, two single-pole double throw type relays (8), several Drive and Control Circuit module and connection lines, it is characterized in that: anodal main line (4) and negative pole main line (5) two main lines road are set on circuit board (1), anodal main line (4) one end is connected with solar panel (3) is anodal, the other end is connected with load (6) is anodal, negative pole main line (5) one end is connected with solar panel (3), the two switch mosfet pipes (9) of other end series winding and two single-pole double throw type relays (8), the current sensor (11) of contacting is again connected with load (6) negative pole with after switch mosfet pipe (10), two single-pole double throw type relays (8) of negative pole main line (5) series winding are provided with heavy gauge wire (19) and are respectively connected to the negative pole of a storage battery (7), between the positive pole of two storage batterys (7), being provided with heavy gauge wire (19) is connected, one of them storage battery (7) is connected with anodal main line (4) by heavy gauge wire (19), between anodal main line (4) and negative pole main line (5), be connected with two two-way Xiao Jite diodes (18) and two accurate divider resistances (17), between two accurate divider resistances (17), there is a wire (20) to connect single-chip microcomputer (1), this single-chip microcomputer (2) is separately provided with wire (20) and connects current sensor (11), and be connected with switch mosfet pipe (10) by power driving circuit (13), be connected with two switch mosfet pipes (9) respectively by pwm power drive circuit (12).
2. a kind of two way alternate according to claim 1 discharges and recharges solar photovoltaic controller, it is characterized in that: single-chip microcomputer (2) is provided with wire (20) and connects optocoupler amplifier (15).
3. a kind of two way alternate according to claim 1 discharges and recharges solar photovoltaic controller, it is characterized in that: single-chip microcomputer (2) is provided with wire (20) and is connected with temperature sensor (16).
4. a kind of two way alternate according to claim 1 discharges and recharges solar photovoltaic controller, it is characterized in that: on the heavy gauge wire (19) being connected with storage battery (7) at anodal main line (4), be connected with fuse (14).
CN201320694292.4U 2013-11-06 2013-11-06 Two-way alternative charge-discharge solar photovoltaic controller Expired - Fee Related CN203645388U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320694292.4U CN203645388U (en) 2013-11-06 2013-11-06 Two-way alternative charge-discharge solar photovoltaic controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320694292.4U CN203645388U (en) 2013-11-06 2013-11-06 Two-way alternative charge-discharge solar photovoltaic controller

Publications (1)

Publication Number Publication Date
CN203645388U true CN203645388U (en) 2014-06-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320694292.4U Expired - Fee Related CN203645388U (en) 2013-11-06 2013-11-06 Two-way alternative charge-discharge solar photovoltaic controller

Country Status (1)

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CN (1) CN203645388U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104124733A (en) * 2014-06-30 2014-10-29 广西吉宽太阳能设备有限公司 Control device and control method for charge and discharge of solar cell
CN105660602A (en) * 2016-03-09 2016-06-15 刘云海 Circuit of green and environment-friendly type farmland mouse repeller
CN111245059A (en) * 2020-03-10 2020-06-05 徐州工业职业技术学院 Intelligent off-grid solar power generation protection circuit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104124733A (en) * 2014-06-30 2014-10-29 广西吉宽太阳能设备有限公司 Control device and control method for charge and discharge of solar cell
CN105660602A (en) * 2016-03-09 2016-06-15 刘云海 Circuit of green and environment-friendly type farmland mouse repeller
CN111245059A (en) * 2020-03-10 2020-06-05 徐州工业职业技术学院 Intelligent off-grid solar power generation protection circuit
CN111245059B (en) * 2020-03-10 2020-09-15 徐州工业职业技术学院 Intelligent off-grid solar power generation protection circuit

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140611

Termination date: 20161106