CN107658957A - Circuit is expanded in a kind of solar energy movable power supply series connection - Google Patents

Circuit is expanded in a kind of solar energy movable power supply series connection Download PDF

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Publication number
CN107658957A
CN107658957A CN201710637399.8A CN201710637399A CN107658957A CN 107658957 A CN107658957 A CN 107658957A CN 201710637399 A CN201710637399 A CN 201710637399A CN 107658957 A CN107658957 A CN 107658957A
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CN
China
Prior art keywords
circuit
resistance
series connection
diode
expanded
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Granted
Application number
CN201710637399.8A
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Chinese (zh)
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CN107658957B (en
Inventor
王永平
刘丽丽
祝建彬
陈敏
张建祥
荣欣
刘舒
禇以人
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TIANJIN INNOVA MICRO-ELECTRONICS TECHNOLOGY Co Ltd
Beijing Microelectronic Technology Institute
Mxtronics Corp
Original Assignee
TIANJIN INNOVA MICRO-ELECTRONICS TECHNOLOGY Co Ltd
Beijing Microelectronic Technology Institute
Mxtronics Corp
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Priority to CN201710637399.8A priority Critical patent/CN107658957B/en
Publication of CN107658957A publication Critical patent/CN107658957A/en
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    • 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
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30Electrical components
    • H02S40/36Electrical components characterised by special electrical interconnection means between two or more PV modules, e.g. electrical module-to-module connection
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electrical Variables (AREA)

Abstract

Circuit is expanded in a kind of solar energy movable power supply series connection, is related to solar energy mobile battery field;Solar cell circuit includes drive circuit, on-off circuit, series connection bleeder circuit and clamp circuit;The a ends of clamp circuit are connected with outer test points AC1, and the b ends of clamp circuit are connected with the d ends for bleeder circuit of connecting, and the c ends of clamp circuit are connected with the e ends of bleeder circuit of connecting, the f ends of on-off circuit respectively, the c ends ground connection of clamp circuit;The i ends of series connection bleeder circuit and the j ends of drive circuit connect, and the e ends for bleeder circuit of connecting and the f ends of on-off circuit connect, and the g ends for bleeder circuit of connecting and the h ends of on-off circuit connect;The k ends of drive circuit and the l ends of on-off circuit connect;The m ends of series connection bleeder circuit are connected with the GD ends of external solar battery;Circuit is expanded in solar energy movable power supply series connection provided by the invention, improves output voltage, its output voltage may be up to 25V, and the expanded circuit is simply easily realized.

Description

Circuit is expanded in a kind of solar energy movable power supply series connection
Technical field
The present invention relates to a kind of solar energy mobile battery field, electricity is expanded in particularly a kind of solar energy movable power supply series connection Road.
Background technology
At present, solar energy is progressively used widely as a kind of regenerative resource in every field.With opto-electronic conversion The raising of efficiency, the voltage and current that one piece of solar energy movable power supply of small volume can be provided can meet to common completely The less electrical appliance of voltage magnitude charged.But if it is larger to load required voltage, also can be by solar energy movable power supply It is connected in series.But it can only be attached when existing solar energy movable power supply is used in series on the market by outside lead. Each solar panel draws power supply and ground wire, is then docked, and influences attractive in appearance and operation inconvenience.
The content of the invention
It is an object of the invention to overcome the above-mentioned deficiency of prior art, there is provided a kind of solar energy movable power supply series connection is expanded Circuit, by detecting VAC1The voltage of point, judge solar panel location in entirely series connection prolongation structure, such as Fruit is last block cell panel, then system will carry out work according to the whole series circuit configuration using this plate as last block plate Make, lift output voltage, its output voltage may be up to 20V, and the expanded circuit is simply easily realized.
The above-mentioned purpose of the present invention is achieved by following technical solution:
Circuit is expanded in a kind of solar energy movable power supply series connection, and monolithic solar cell circuit includes drive circuit, switch electricity Road, series connection bleeder circuit and clamp circuit;Wherein, a ends of clamp circuit are connected with outer test points AC1, the b ends of clamp circuit It is connected with the d ends for bleeder circuit of connecting, the e ends with bleeder circuit of connecting, the f ends of on-off circuit connect respectively at the c ends of clamp circuit Connect, the c ends ground connection of clamp circuit;Connect bleeder circuit i ends and drive circuit j ends connect, the e ends for bleeder circuit of connecting with The f ends connection of on-off circuit, the g ends for bleeder circuit of connecting and the h ends of on-off circuit connect;The k ends of drive circuit and switch electricity The l ends connection on road;The m ends of series connection bleeder circuit are connected with the GD ends of external solar battery.
Expand circuit in a kind of above-mentioned solar energy movable power supply series connection, the drive circuit include voltage VB, electric capacity C1, FET Q1 and resistance R5;Wherein, resistance R5, FET Q1 and electric capacity C1 first parallel circuits of composition parallel with one another;The One end of one parallel circuit is connected with voltage VB, and the other end of the first parallel circuit and the k points of drive circuit connect.
Circuit is expanded in a kind of above-mentioned solar energy movable power supply series connection, the on-off circuit includes FET Q2, electricity Hinder R4 and resistance R6;Wherein, the second parallel circuit of FET Q1 and resistance R4 compositions, the second parallel circuit and on-off circuit L ends connect;Resistance R4 one end and the h ends of on-off circuit connect;FET Q2 one end be connected with resistance R6 after with switch The f ends connection of circuit.
Circuit is expanded in a kind of above-mentioned solar energy movable power supply series connection, the series connection bleeder circuit includes resistance R1, electricity Hinder R2 and resistance R3;Wherein, resistance R1, resistance R2 and resistance R3 are sequentially connected in series;The i of resistance R1 one end and bleeder circuit of connecting End connection;Resistance R1 is connected with resistance R2 junction with the d ends for bleeder circuit of connecting;Resistance R2 and resistance R3 connection is punished G ends, m ends not with bleeder circuit of connecting are connected;Resistance R3 one end is connected with the e ends for bleeder circuit of connecting.
Circuit is expanded in a kind of above-mentioned solar energy movable power supply series connection, the clamp circuit includes diode D1 and two poles Pipe D2;Wherein, the c ends of diode D2 input and clamp circuit connect;Diode D2 output end is defeated with diode D1's Enter end connection;The 3.3V power supplys that diode D1 output end provides with outside are connected;Diode D2 output ends and diode D1 are defeated Enter to hold a end, b end of the junction respectively with clamp circuit to be connected.
Circuit is expanded in a kind of above-mentioned solar energy movable power supply series connection, the voltage VB is that solar energy passes through solar-electricity Voltage after the plate conversion of pond, VB 4.7-5.3V.
Circuit is expanded in a kind of above-mentioned solar energy movable power supply series connection, when n blocks solar panel is connected, every piece too The e points of positive energy battery circuit are connected with the p points of adjacent solar battery circuit;And the GD ends series connection of n block solar panels Connection;N is positive integer and n≤5.
Circuit, when n blocks solar panel is connected, n-th piece are expanded in a kind of above-mentioned solar energy movable power supply series connection FET Q2 in solar cell circuit, i.e. series circuit in last block solar cell circuit is open mode;1st Block, the 2nd piece ..., the solar cell circuit of n-1 blocks is closed mode.
Circuit is expanded in a kind of above-mentioned solar energy movable power supply series connection, when n blocks solar panel is connected, the 1st piece, 2nd piece ..., the equivalent circuit of on-off circuit includes diode D3, diode D4, resistance R4 in n-1 block solar cell circuits With resistance R6;Diode D3 input respectively the input with diode D4, on-off circuit l ends, diode D3 output End connection;Diode D3 output end is connected after being connected with resistance R4 with the l ends of on-off circuit;Diode D3 output end is with opening The h ends connection on powered-down road;Diode D4 output end is connected after being connected with resistance R6 with the f ends of on-off circuit.
The present invention has the following advantages that compared with prior art:
(1) present invention employs the series connection of independent research to expand module, there is provided one kind judges solar energy movable power supply string The method of connection and the circuit of series voltage transmission, and the circuit structure is simple, easily realizes;
(2) when n blocks solar panel is connected, the FET Q2 in n-th piece of solar cell circuit is the present invention Open mode;1st piece, the 2nd piece ..., the solar cell circuit of n-1 blocks is closed mode, saves solar cell electricity Unnecessary device resource wastes in road;
(3) present invention employs series connection bleeder circuit, the flexibility of product series connection is improved, product is realized and independently uses With the independent assortment being used in series.
Brief description of the drawings
Fig. 1 is that circuit diagram is expanded in the series connection of monolithic solar panel of the present invention;
Fig. 2 is that circuit diagram is expanded in n blocks solar panel of the present invention series connection;
Fig. 3 is on-off circuit schematic equivalent circuit of the present invention;
Fig. 4 is the structural representation of two pieces of solar panels of solar energy movable power supply of the present invention.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings:
The present invention provides a kind of series connection of solar energy movable power supply and expands circuit.By the voltage of detection test points, judge Solar panel location in entirely series connection prolongation structure, if last block cell panel, then system will It is operated according to the whole series circuit configuration using this plate as last block plate, lifts output voltage, its output voltage can be high Up to 25V, and the expanded circuit is simply easily realized.
Circuit diagram is expanded for the series connection of monolithic solar panel as shown in Figure 1, as seen from the figure, a kind of solar energy movement electricity Source-series expansion circuit, it is characterised in that:Monolithic solar cell circuit includes drive circuit, on-off circuit, series connection partial pressure electricity Road and clamp circuit;Wherein, a ends of clamp circuit are connected with outer test points AC1, the b ends of clamp circuit and partial pressure electricity of connecting The d ends connection on road, the c ends of clamp circuit are connected with the e ends of bleeder circuit of connecting, the f ends of on-off circuit respectively, clamp circuit C ends are grounded;The i ends of series connection bleeder circuit and the j ends of drive circuit connect, the e ends for bleeder circuit of connecting and the f ends of on-off circuit Connection, the g ends for bleeder circuit of connecting and the h ends of on-off circuit connect;The k ends of drive circuit and the l ends of on-off circuit connect;String The m ends of connection bleeder circuit are connected with the GD ends of external solar battery.
Wherein, drive circuit includes voltage VB, electric capacity C1, FET Q1 and resistance R5;Wherein, resistance R5, field-effect Pipe Q1 and electric capacity C1 first parallel circuits of composition parallel with one another;One end of first parallel circuit is connected with voltage VB, and voltage VB is Voltage of the solar energy after solar panel converts, VB 4.7-5.3V;The other end of first parallel circuit and driving electricity The k points connection on road.
On-off circuit includes FET Q2, resistance R4 and resistance R6;Wherein, FET Q1 and resistance R4 compositions second The l ends connection of parallel circuit, the second parallel circuit and on-off circuit;Resistance R4 one end and the h ends of on-off circuit connect;Field effect Should pipe Q2 one end be connected with resistance R6 after be connected with the f ends of on-off circuit.
Series connection bleeder circuit includes resistance R1, resistance R2 and resistance R3;Wherein, resistance R1, resistance R2 and resistance R3 be successively Series connection;Resistance R1 one end is connected with the i ends for bleeder circuit of connecting;Junctions and connect bleeder circuit of the resistance R1 with resistance R2 D ends connection;Resistance R2 is connected with g ends, m ends of the resistance R3 junction respectively with bleeder circuit of connecting;Resistance R3 one end It is connected with the e ends for bleeder circuit of connecting.
Clamp circuit includes diode D1 and diode D2;Wherein, the c ends of diode D2 input and clamp circuit connect Connect;Diode D2 output end is connected with diode D1 input;Diode D1 output end and the outside 3.3V electricity provided Source connects;The a ends with clamp circuit, b ends are connected diode D2 output ends respectively with diode D1 inputs junction.
It is illustrated in figure 2 the series connection of n blocks solar panel and expands circuit diagram, as seen from the figure, when n block solar cell When plate is connected, the e points of every piece of solar cell circuit are connected with the p points of adjacent solar battery circuit;And n block solar-electricities The GD ends of pond plate are connected in series;N is positive integer and n≤5.
On-off circuit schematic equivalent circuit is illustrated in figure 3, as seen from the figure, when n blocks solar panel is connected, the N block solar cell circuits, i.e., the FET Q2 in series circuit in last block solar cell circuit are open mode; 1st piece, the 2nd piece ..., the solar cell circuit of n-1 blocks is closed mode.
When n blocks solar panel is connected, by detecting VAC11、VAC12、VAC1nThe voltage of point can determine whether the solar energy Cell panel expands location in circuit in series connection, and then judges the solar cell electricity of last block solar panel Road.
When n blocks solar panel is connected, the 1st piece, the 2nd piece ..., on-off circuit in n-1 block solar cell circuits Equivalent circuit include diode D3, diode D4, resistance R4 and resistance R6;Diode D3 input respectively with diode D4 Input, the l ends of on-off circuit, diode D3 output end connection;Diode D3 output end be connected with resistance R4 after with The l ends connection of on-off circuit;Diode D3 output end and the h ends of on-off circuit connect;Diode D4 output end and resistance It is connected after R6 connections with the f ends of on-off circuit.
Fig. 4 show the structural representation of two pieces of solar panels of solar energy movable power supply, as seen from the figure, square S The distributing position of magnetic contact is represented with S1, wherein, the magnetic contact above and below cell panel is used for carrying out solar energy shifting The series connection of dynamic power supply, which is expanded, to be connected, and the magnetic contact on left side and right side is used for carrying out being connected in parallel for solar energy movable power supply, S1 Shown magnetic contact is used for carrying out the connection between two pieces of solar panels of solar energy movable power supply.When three blocks of solar energy When portable power source is used in series, electrical connection and GD points due to magnetic contact communicate, then, first piece of solar panel M points position provide series connection expand after output voltage, N points position provide series connection extension after reference ground.
The content not being described in detail in description of the invention belongs to the known technology of those skilled in the art.

Claims (9)

1. circuit is expanded in a kind of solar energy movable power supply series connection, it is characterised in that:Monolithic solar cell circuit includes driving electricity Road, on-off circuit, series connection bleeder circuit and clamp circuit;Wherein, a ends of clamp circuit are connected with outer test points AC1, clamper The b ends of circuit are connected with the d ends for bleeder circuit of connecting, and the e ends with bleeder circuit of connecting, switch are electric respectively at the c ends of clamp circuit The f ends connection on road, the c ends ground connection of clamp circuit;The i ends of series connection bleeder circuit and the j ends of drive circuit connect, series connection partial pressure electricity The e ends on road and the f ends of on-off circuit connect, and the g ends for bleeder circuit of connecting and the h ends of on-off circuit connect;The k ends of drive circuit It is connected with the l ends of on-off circuit;The m ends of series connection bleeder circuit are connected with the GD ends of external solar battery.
2. circuit is expanded in a kind of solar energy movable power supply series connection according to claim 1, it is characterised in that:The driving electricity Road includes voltage VB, electric capacity C1, FET Q1 and resistance R5;Wherein, resistance R5, FET Q1 and electric capacity C1 are parallel with one another Form the first parallel circuit;One end of first parallel circuit is connected with voltage VB, the other end and the driving electricity of the first parallel circuit The k points connection on road.
3. circuit is expanded in a kind of solar energy movable power supply series connection according to claim 1, it is characterised in that:The switch electricity Road includes FET Q2, resistance R4 and resistance R6;Wherein, the second parallel circuit of FET Q1 and resistance R4 compositions, second The l ends of parallel circuit and on-off circuit connect;Resistance R4 one end and the h ends of on-off circuit connect;FET Q2 one end It is connected after being connected with resistance R6 with the f ends of on-off circuit.
4. circuit is expanded in a kind of solar energy movable power supply series connection according to claim 1, it is characterised in that:The series connection point Volt circuit includes resistance R1, resistance R2 and resistance R3;Wherein, resistance R1, resistance R2 and resistance R3 are sequentially connected in series;The one of resistance R1 The i ends with bleeder circuit of connecting are held to be connected;Resistance R1 is connected with resistance R2 junction with the d ends for bleeder circuit of connecting;Resistance R2 is connected with g ends, m ends of the resistance R3 junction respectively with bleeder circuit of connecting;Resistance R3 one end and bleeder circuit of connecting E ends connection.
5. circuit is expanded in a kind of solar energy movable power supply series connection according to claim 1, it is characterised in that:The clamper electricity Road includes diode D1 and diode D2;Wherein, the c ends of diode D2 input and clamp circuit connect;Diode D2's Output end is connected with diode D1 input;The 3.3V power supplys that diode D1 output end provides with outside are connected;Diode The a ends with clamp circuit, b ends are connected D2 output ends respectively with diode D1 inputs junction.
6. circuit is expanded in a kind of solar energy movable power supply series connection according to claim 2, it is characterised in that:The voltage VB For voltage of the solar energy after solar panel converts, VB 4.7-5.3V.
7. circuit is expanded in a kind of solar energy movable power supply series connection according to one of claim 1-6, it is characterised in that:Work as n When block solar panel is connected, the e points of every piece of solar cell circuit are connected with the p points of adjacent solar battery circuit; And the GD ends of n block solar panels are connected in series;N is positive integer and n≤5.
8. circuit is expanded in a kind of solar energy movable power supply series connection according to claim 7, it is characterised in that:When the n block sun During energy cell panel series connection, n-th piece of solar cell circuit, i.e., the field effect in series circuit in last block solar cell circuit Should pipe Q2 be open mode;1st piece, the 2nd piece ..., the solar cell circuit of n-1 blocks is closed mode.
9. circuit is expanded in a kind of solar energy movable power supply series connection according to claim 8, it is characterised in that:When the n block sun Can cell panel series connection when, the 1st piece, the 2nd piece ..., the equivalent circuit of on-off circuit includes two poles in n-1 block solar cell circuits Pipe D3, diode D4, resistance R4 and resistance R6;Diode D3 the input input with diode D4, on-off circuit respectively L ends, diode D3 output end connection;Diode D3 output end is connected after being connected with resistance R4 with the l ends of on-off circuit; Diode D3 output end and the h ends of on-off circuit connect;Diode D4 output end be connected with resistance R6 after with on-off circuit F ends connection.
CN201710637399.8A 2017-07-31 2017-07-31 A kind of solar energy movable power supply series connection expansion circuit Active CN107658957B (en)

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Application Number Priority Date Filing Date Title
CN201710637399.8A CN107658957B (en) 2017-07-31 2017-07-31 A kind of solar energy movable power supply series connection expansion circuit

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CN201710637399.8A CN107658957B (en) 2017-07-31 2017-07-31 A kind of solar energy movable power supply series connection expansion circuit

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CN107658957A true CN107658957A (en) 2018-02-02
CN107658957B CN107658957B (en) 2019-07-23

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201226448Y (en) * 2008-01-29 2009-04-22 西藏东阳科技发展有限公司 Solar weak light charger
CN102740595A (en) * 2012-06-15 2012-10-17 杨东 Solar cell panel having serial connection or parallel connection structure and manufacturing method for solar cell panel
CN203774844U (en) * 2014-04-08 2014-08-13 宋慧 Solar mobile power supply
CN203894574U (en) * 2014-06-20 2014-10-22 衢州迪升工业设计有限公司 Control circuit for water-saving device of solar water heater
CN204089677U (en) * 2014-07-31 2015-01-07 苏州强明光电有限公司 A kind of portable power source based on high-efficiency soft solar cell
CN205846834U (en) * 2016-07-20 2016-12-28 深圳市金光能太阳能有限公司 A kind of overcharge detection control circuit of controller for solar

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201226448Y (en) * 2008-01-29 2009-04-22 西藏东阳科技发展有限公司 Solar weak light charger
CN102740595A (en) * 2012-06-15 2012-10-17 杨东 Solar cell panel having serial connection or parallel connection structure and manufacturing method for solar cell panel
CN203774844U (en) * 2014-04-08 2014-08-13 宋慧 Solar mobile power supply
CN203894574U (en) * 2014-06-20 2014-10-22 衢州迪升工业设计有限公司 Control circuit for water-saving device of solar water heater
CN204089677U (en) * 2014-07-31 2015-01-07 苏州强明光电有限公司 A kind of portable power source based on high-efficiency soft solar cell
CN205846834U (en) * 2016-07-20 2016-12-28 深圳市金光能太阳能有限公司 A kind of overcharge detection control circuit of controller for solar

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