CN201868926U - Solar energy charging circuit - Google Patents

Solar energy charging circuit Download PDF

Info

Publication number
CN201868926U
CN201868926U CN2010206542171U CN201020654217U CN201868926U CN 201868926 U CN201868926 U CN 201868926U CN 2010206542171 U CN2010206542171 U CN 2010206542171U CN 201020654217 U CN201020654217 U CN 201020654217U CN 201868926 U CN201868926 U CN 201868926U
Authority
CN
China
Prior art keywords
pin
resistance
management chip
charging management
diode
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
CN2010206542171U
Other languages
Chinese (zh)
Inventor
王中龙
王俊芳
高慧
张营
史琳
孙修虎
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.)
TaiAn Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
TaiAn Power Supply Co of State Grid Shandong Electric Power 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 TaiAn Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical TaiAn Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority to CN2010206542171U priority Critical patent/CN201868926U/en
Application granted granted Critical
Publication of CN201868926U publication Critical patent/CN201868926U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a solar energy charging circuit, which comprises a solar panel TYN, a lithium battery BT, a triode Q1, a diode D1, a diode D2, a light-emitting diode (LED), a charging management chip and other peripheral circuits. According to the solar energy charging circuit, the electric energy can be supplemented to the lithium battery by using solar energy; the solar energy can be converted into electric energy by using the solar panel TYN; the whole circuit can be managed by the charging management chip; the energy demand of a wireless router can be ensured; large amount of construction and high cost for laying a power cord can be avoided; the influence of electromagnetic interference of a transformer substation on the system can be reduced; and the solar energy charging circuit has the advantage of low cost, is convenient for installation and is reliable for use.

Description

A kind of solar charging circuit
Technical field
The utility model relates to a kind of by the circuit of solar energy to battery charge.
Background technology
The microcomputer anti-error operating means is the important device that guarantees grid switching operation safety, is applied in the electric power system to take place to reduce misoperation.And wherein use the anti-misoperation apparatus of wireless lockset, form by main frame, wireless base station, wireless router and wireless lockset.Wherein the supply power mode of main frame, wireless base station and wireless lockset all realizes easily.Wireless router is owing to be installed in the diverse location of battery limits, and far away apart from power supply point, it is relatively more difficult to lay power line, therefore need provide power supply for wireless router by lithium battery.
Summary of the invention
It is the circuit that lithium battery charges by solar energy that the purpose of this utility model just provides a kind of, and for achieving the above object, technical solution adopted in the utility model is:
This circuit comprises solar panel TYN, lithium battery BT, triode Q1, diode D1, diode D2, LED and charging management chip U1, it is characterized in that: the minus earth of solar panel TYN, its positive pole connects the positive pole of diode D1, the negative pole of diode D1 connects 3 pin of charging management chip U1 respectively, connect the positive pole of capacitor C 2, connect 1 pin of charging management chip U1 successively by resistance R 1 and resistance R 4, connect 2 pin of triode Q1 by resistance R 2, pass through the negative pole of resistance R T1 and resistance R T2 sending and receiving optical diode LED successively, the negative pole difference ground connection of capacitor C 2 and 6 pin of charging management chip U1,1 pin of triode Q1 connects 7 pin of charging management chip U1 by resistance R 5,2 pin of triode Q1 connect 1 pin of charging management chip U1,3 pin of triode Q1 connect the positive pole of diode D2, the negative pole of diode D2 connects 2 pin of charging management chip U1 respectively, connect the positive pole of capacitor C 1, connect the positive pole of lithium battery BT, the negative pole of capacitor C 1, the negative pole of lithium battery BT and the negative pole of LED be ground connection respectively, the positive pole of LED connects 5 pin of charging management chip U1 by resistance R 3, the 8 pin connecting resistance R1 of charging management chip U1 and the connecting line between the resistance R 4, the 4 pin connecting resistance RT1 of charging management chip U1 and the connecting line between the resistance R T2.
This circuit can utilize solar energy to the lithium battery electric energy supplement, wherein solar panel TYN is conversion of solar energy an electric energy, charging management chip U1 manages entire circuit, guarantee the energy demand of wireless router, simultaneously can avoid laying a large amount of constructions and the great number cost that power line brings, also can reduce of the influence of transformer station's electromagnetic interference system.Therefore this circuit has easy for installation, with low cost, service-strong advantage.
Description of drawings
Accompanying drawing is a circuit diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
As shown in the figure, the minus earth of solar panel TYN, its positive pole connects the positive pole of diode D1, the negative pole of diode D1 connects 3 pin of charging management chip U1 respectively, connect the positive pole of capacitor C 2, connect 1 pin of charging management chip U1 successively by resistance R 1 and resistance R 4, connect 2 pin of triode Q1 by resistance R 2, pass through the negative pole of resistance R T1 and resistance R T2 sending and receiving optical diode LED successively, the negative pole difference ground connection of capacitor C 2 and 6 pin of charging management chip U1,1 pin of triode Q1 connects 7 pin of charging management chip U1 by resistance R 5,2 pin of triode Q1 connect 1 pin of charging management chip U1,3 pin of triode Q1 connect the positive pole of diode D2, the negative pole of diode D2 connects 2 pin of charging management chip U1 respectively, connect the positive pole of capacitor C 1, connect the positive pole of lithium battery BT, the negative pole of capacitor C 1, the negative pole of lithium battery BT and the negative pole of LED be ground connection respectively, the positive pole of LED connects 5 pin of charging management chip U1 by resistance R 3, the 8 pin connecting resistance R1 of charging management chip U1 and the connecting line between the resistance R 4, the 4 pin connecting resistance RT1 of charging management chip U1 and the connecting line between the resistance R T2.
In this circuit, the model of solar panel TYN is 6V/5W, charging management chip U1 model is BQ2057C, triode Q1 model is FZT788B, resistance R 1, R2, R3, R4, R5, RT1, RT2 are respectively 10K, 0.47,2K, 36K, 1K, 2K, 2K, capacitor C 1, C2 are respectively 0.1uF, 220uF, and diode D1, D2 are 1N5819, and LED is a light-emitting diode.Wherein 1 pin of charging management chip U1 is the input of SNS charging current sensing, 2 pin are the input of BAT lithium battery voltage, 3 pin are the input of VCC working power, 4 pin are the input of TS temperature sensing, 5 pin are the output of STAT charged state, 6 pin are the input of VSS working power ground, and 7 pin are CC charging control output, and 8 pin are COMP charge rate compensation input.1 pin of triode Q1 is a base stage, and 2 pin are emitter, and 3 pin are collector electrode.
Solar panel TYN provides 6V charging voltage for circuit, diode D1 is used for oppositely ending, prevent that circuit from oppositely sending, capacitor C 2 is filter capacitors of charging management chip U1, capacitor C 1 is the filter capacitor of output charging voltage, diode D2 is used for oppositely ending, and prevents because there is leakage current in triode Q1 and causes the battery electric quantity loss.
1 pin of charging management chip U1 can detect the pressure drop of resistance R 2, thereby control charging current size, 2 pin are used to detect charging voltage and cell voltage, 3 pin and 6 pin are used for the cut-in operation power supply, 4 pin can detect battery temperature by temperature-sensitive, prevent charging when battery temperature is too high, because this circuit need not detect lithium battery BT temperature, so resistance R T1 and RT2 are made as similar resistance, 5 pin are charged state output, connecting resistance R3 and LED, and LED is bright when charging, being full of the back LED goes out, 7 pin pass through size of current by resistance R 5 control triode Q1, thereby play the effect of control charging current, and 8 pin are by detecting the dividing potential drop between resistance R 1 and the R4, with the internal driving of compensation lithium battery BT and the pressure drop in the circuit, thereby improve charge rate.

Claims (1)

1. solar charging circuit, comprise solar panel TYN, lithium battery BT, triode Q1, diode D1, diode D2, LED and charging management chip U1, it is characterized in that: the minus earth of solar panel TYN, its positive pole connects the positive pole of diode D1, the negative pole of diode D1 connects 3 pin of charging management chip U1 respectively, connect the positive pole of capacitor C 2, connect 1 pin of charging management chip U1 successively by resistance R 1 and resistance R 4, connect 2 pin of triode Q1 by resistance R 2, pass through the negative pole of resistance R T1 and resistance R T2 sending and receiving optical diode LED successively, the negative pole difference ground connection of capacitor C 2 and 6 pin of charging management chip U1,1 pin of triode Q1 connects 7 pin of charging management chip U1 by resistance R 5,2 pin of triode Q1 connect 1 pin of charging management chip U1,3 pin of triode Q1 connect the positive pole of diode D2, the negative pole of diode D2 connects 2 pin of charging management chip U1 respectively, connect the positive pole of capacitor C 1, connect the positive pole of lithium battery BT, the negative pole of capacitor C 1, the negative pole of lithium battery BT and the negative pole of LED be ground connection respectively, the positive pole of LED connects 5 pin of charging management chip U1 by resistance R 3, the 8 pin connecting resistance R1 of charging management chip U1 and the connecting line between the resistance R 4, the 4 pin connecting resistance RT1 of charging management chip U1 and the connecting line between the resistance R T2.
CN2010206542171U 2010-12-13 2010-12-13 Solar energy charging circuit Expired - Fee Related CN201868926U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206542171U CN201868926U (en) 2010-12-13 2010-12-13 Solar energy charging circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206542171U CN201868926U (en) 2010-12-13 2010-12-13 Solar energy charging circuit

Publications (1)

Publication Number Publication Date
CN201868926U true CN201868926U (en) 2011-06-15

Family

ID=44140069

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010206542171U Expired - Fee Related CN201868926U (en) 2010-12-13 2010-12-13 Solar energy charging circuit

Country Status (1)

Country Link
CN (1) CN201868926U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102005798A (en) * 2010-12-13 2011-04-06 山东电力集团公司泰安供电公司 Solar charging circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102005798A (en) * 2010-12-13 2011-04-06 山东电力集团公司泰安供电公司 Solar charging circuit

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110615

Termination date: 20121213