CN202817836U - Mobile optical power circuit - Google Patents

Mobile optical power circuit Download PDF

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Publication number
CN202817836U
CN202817836U CN2012204818580U CN201220481858U CN202817836U CN 202817836 U CN202817836 U CN 202817836U CN 2012204818580 U CN2012204818580 U CN 2012204818580U CN 201220481858 U CN201220481858 U CN 201220481858U CN 202817836 U CN202817836 U CN 202817836U
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CN
China
Prior art keywords
diode
pin
resistance
usb interface
circuit
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
CN2012204818580U
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Chinese (zh)
Inventor
秦海滨
郭强
司斌
邵喜书
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Shanxi CISCO Technology Co., Ltd.
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SHANXI TIANNENG TECHNOLOGY Co Ltd
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Priority to CN2012204818580U priority Critical patent/CN202817836U/en
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Publication of CN202817836U publication Critical patent/CN202817836U/en
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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
    • 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
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin

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

Abstract

The utility model relates to a circuit design of a mobile power supply, and particularly relates to a mobile optical power circuit, so as to solve the technical problem that the existing ordinary charger cannot be used outdoors or in emergency situations such as where power is off. The mobile optical power circuit comprises a boost circuit, a charging display circuit and an over-charge and over-discharge protection circuit, wherein the boost circuit comprises an integrated boost chip, a second USB, a first USB and a lithium cell; the input end of the integrated boost chip is connected with an oscillating circuit made up of an inductor and a second capacitor; the second capacitor is respectively connected with the positive electrode of the lithium cell and the negative electrode of a third diode; the positive electrode of the third diode is connected with the first pin and the second pin of the first USB; the second capacitor is also connected with a second diode; the positive electrode of the second diode is connected with a solar panel; and a first diode is connected between the output end and the input end of the integrated boost chip. The mobile optical power circuit is simple in structure, reasonable in design, and can effectively solve the problem that charging cannot be carried out outdoors or in emergency situations such as where power is off.

Description

The moving photoconductor source circuit
Technical field
The utility model relates to the circuit design of portable power source, is specially a kind of moving photoconductor source circuit.
Background technology
In the prior art, common charger uses interior distribution, is undertaken providing the energy after the AC-DC rectification step-down filtering by adapter, and is easy to use, but is not suitable for the emergent occasions such as outdoor and power failure; Portable power source is that lithium battery needs first with civil power to being full of, but finite capacity, is only applicable to emergently fill inapplicable long-term outdoor occasion; Hand charger, utilize that manpower is emergent to be filled, can be used for emergent occasion, but use inconvenience and electric current unstable, can affect battery.
Summary of the invention
The utility model provides a kind of moving photoconductor source circuit for solving the technical problem that can't satisfy at present the emergent occasions such as outdoor and power failure with common charger.
The utility model is achieved through the following technical solutions: a kind of moving photoconductor source circuit, comprise booster circuit and charging display circuit and overcharge, over-discharge protection circuit; Described booster circuit comprises integrated boost chip, secondary USB interface, the first USB interface, the 3rd diode and lithium battery; The input of described integrated boost chip is connected with the oscillating circuit that is comprised of inductance and the second electric capacity, the second electric capacity links to each other with the positive pole of lithium battery, the negative pole of the 3rd diode respectively, the positive pole of the 3rd diode is connected with positive source and the negative voltage data line of the first USB interface, the second electric capacity also is connected with the second diode, and the positive pole of the second diode is connected with solar panel; Be connected with the first diode between the output of integrated boost chip and the input; The negative pole of the first diode D1 and the positive source of secondary USB interface are connected with the first electric capacity jointly; Be connected with the 4th resistance between the positive source of secondary USB interface and the negative voltage data line; Be connected with the second resistance between the positive source of secondary USB interface and the positive voltage data wire; Be connected with the 5th resistance between the negative voltage data line of secondary USB interface and the earth terminal; Be connected with the 3rd resistance between the positive voltage data wire of secondary USB interface and the earth terminal; Described charging display circuit comprises comparator, two-color diode, paster switch and voltage stabilizing didoe; The first output pin of comparator be connected output pin and connect respectively the first, the 3rd pin of two-color diode; The first reverse input pin of comparator with second in the same way input pin be connected with output pin by the tenth resistance and the 11 resistance and the input pin of voltage stabilizing didoe respectively and form the device that accompanies; Comparator first in the same way input pin via the 6th grounding through resistance; The second reverse input pin and first of comparator is connected with the 7th resistance in the same way between the input pin; The first pin of paster switch is connected with the positive pole of the lithium battery of booster circuit, the input of voltage stabilizing didoe, output pin all successively by the first resistance, the 9th resistance together the second pin of anode two-color diode be connected; The input of voltage stabilizing didoe, output pin all are connected with the second pin of paster switch by the first resistance; The first output pin of Li battery protection IC and the 3rd output pin connect respectively the grid of two N channel enhancement metal-oxide-semiconductors; Describedly overcharge, over-discharge protection circuit comprises Li battery protection IC and two N channel enhancement metal-oxide-semiconductor; The electric current induction input pin of Li battery protection IC is connected in the source electrode of two N channel enhancement metal-oxide-semiconductors through the 12 resistance; The power supply input pin of Li battery protection IC connects positive pole and the 4th electric capacity of lithium battery; Two drain electrodes of two N channel enhancement metal-oxide-semiconductors are connected; The source electrode of two N channel enhancement metal-oxide-semiconductors links to each other with the negative pole of lithium battery.
During work, solar panel through the second diode to lithium cell charging, lithium battery anode is connected to the input pin of integrated boost chip through the second electric capacity, inductance, lithium battery voltage exports secondary USB interface to by output pin and powers to external equipment after the integrated boost chip internal boosts, lithium battery anode provides comparative parameter through the paster switch to comparator, and provide the reference voltage parameter to voltage stabilizing didoe, and when the full electricity of lithium battery, the when red of voltage stabilizing didoe control two-color diode; When electricity was arranged, the green light of two-color diode was bright; When not having electricity, two indicator lights of two-color diode all go out; The protection chip provides protection to lithium battery, and when lithium battery forced down to 2.5V or is higher than 4.3V, the two N channel enhancement metal-oxide-semiconductors of protection chip controls disconnect realized protection lithium battery function.
The utility model discloses the circuit design in a kind of moving photoconductor source, for the problem that can't charge out of doors to various low-voltage electrical equipment at present, solution is provided and has designed this circuit, aimed to provide a kind of can conveniently the charging to low-voltage electrical equipment such as mobile phone, MP3 whenever and wherever possible.The utility model is simple in structure, reasonable in design, efficiently solves the problem that the emergent occasions such as outdoor and power failure can't be charged, and is applicable to the emergent occasions such as outdoor and power failure.
Description of drawings
The schematic diagram of Fig. 1 booster circuit of the present utility model.
Fig. 2 charging display circuit schematic diagram of the present utility model.
Fig. 3 is of the present utility model to be overcharged, the schematic diagram of over-discharge protection circuit.
Embodiment
A kind of moving photoconductor source circuit, comprise booster circuit and charging display circuit and overcharge, over-discharge protection circuit; Described booster circuit comprises integrated boost chip B1, secondary USB interface U2, the first USB interface U1, the 3rd diode D3 and lithium battery; The input of described integrated boost chip B1 is connected with the oscillating circuit that is comprised of inductance L 1 and the second capacitor C 2, the second capacitor C 2 links to each other with the positive pole of lithium battery, the negative pole of the 3rd diode D3 respectively, the positive pole of the 3rd diode D3 is connected with positive source and the negative voltage data line of the first USB interface U1, the second capacitor C 2 also is connected with the second diode D2, and the positive pole of the second diode D2 is connected with solar panel sun; Be connected with the first diode D1 between the output of integrated boost chip B1 and the input; The positive source of the negative pole of the first diode D1 and secondary USB interface U2 is connected with the first capacitor C 1 jointly; Be connected with the 4th resistance R 4 between the positive source of secondary USB interface U2 and the negative voltage data line; Be connected with the second resistance R 2 between the positive source of secondary USB interface U2 and the positive voltage data wire; Be connected with the 5th resistance R 5 between the negative voltage data line of secondary USB interface U2 and the earth terminal; Be connected with the 3rd resistance R 3 between the positive voltage data wire of secondary USB interface U2 and the earth terminal; Described charging display circuit comprises comparator U3, two-color diode U4, paster switch U5 and voltage stabilizing didoe U6; The first output pin of comparator U3 be connected output pin and connect respectively the first, the 3rd pin of two-color diode U4; The first reverse input pin of comparator U3 with second in the same way input pin be connected with output pin by the tenth resistance R 10 and the 11 resistance R 11 and the input pin of voltage stabilizing didoe U6 respectively and form the device that accompanies; Comparator U3 first in the same way input pin via the 6th resistance R 6 ground connection; The second reverse input pin and first of comparator U3 is connected with the 7th resistance R 7 in the same way between the input pin; The first pin of paster switch U5 is connected with the positive pole of the lithium battery of booster circuit, the input of voltage stabilizing didoe U6, output pin all successively by the first resistance R 1, the 9th resistance R 9 together the second pin of anode two-color diode U4 be connected; The input of voltage stabilizing didoe U6, output pin all are connected by second pin of the first resistance R 1 with paster switch U5; Overcharge, over-discharge protection circuit comprises Li battery protection IC U7 and two N channel enhancement metal-oxide-semiconductor U8; The first output pin of Li battery protection IC U7 and the 3rd output pin connect respectively the grid of two N channel enhancement metal-oxide-semiconductor U8; The electric current induction input pin of Li battery protection IC U7 is connected in the source electrode of two N channel enhancement metal-oxide-semiconductor U8 through the 12 resistance R 12; The power supply input pin of Li battery protection IC U7 connects positive pole and the 4th capacitor C 4 of lithium battery; Two drain electrodes of two N channel enhancement metal-oxide-semiconductor U8 are connected; The source electrode of two N channel enhancement metal-oxide-semiconductor U8 links to each other with the negative pole of lithium battery.Lithium battery adopts poly-lithium battery; The first capacitor C 1 adopts tantalum electric capacity; Integrated boost chip B1 adopts BAU61 type integrated boost chip; Comparator U3 uses LM358 type comparator; Voltage stabilizing didoe U6 adopts three sections parallel voltage-stabilizing diodes able to programme of TL431 type; The first USB interface adopts the mini USB interface; Li battery protection IC U7 adopts DW01+ type integrated chip; Two N channel enhancement metal-oxide-semiconductor U8 adopt 8205A type metal-oxide-semiconductor.

Claims (2)

1. a moving photoconductor source circuit is characterized in that, comprise booster circuit and charging display circuit and overcharge, over-discharge protection circuit; Described booster circuit comprises integrated boost chip (B1), the first USB interface (U1), secondary USB interface (U2), the 3rd diode (D3) and lithium battery; The input of described integrated boost chip (B1) is connected with the oscillating circuit that is comprised of inductance (L1) and the second electric capacity (C2), the second electric capacity (C2) links to each other with the positive pole of lithium battery, the negative pole of the 3rd diode (D3) respectively, the positive pole of the 3rd diode (D3) is connected with positive source and the negative voltage data line of the first USB interface (U1), the second electric capacity (C2) also is connected with the second diode (D2), and the positive pole of the second diode (D2) is connected with solar panel (sun); Be connected with the first diode (D1) between the output of integrated boost chip (B1) and the input; The positive source of the negative pole of the first diode (D1) and secondary USB interface (U2) is connected with the first electric capacity (C1) jointly; Be connected with the 4th resistance (R4) between the positive source of secondary USB interface (U2) and the negative voltage data line; Be connected with the second resistance (R2) between the positive source of secondary USB interface (U2) and the positive voltage data wire; Be connected with the 5th resistance (R5) between the negative voltage data line of secondary USB interface (U2) and the earth terminal; Be connected with the 3rd resistance (R3) between the positive voltage data wire of secondary USB interface (U2) and the earth terminal; Described charging display circuit comprises comparator (U3), two-color diode (U4), paster switch (U5) and voltage stabilizing didoe (U6); The first output pin of comparator (U3) be connected output pin and connect respectively the first, the 3rd pin of two-color diode (U4); The first reverse input pin of comparator (U3) with second in the same way input pin be connected with output pin by the tenth resistance (R10) and the 11 resistance (R11) and the input pin of voltage stabilizing didoe (U6) respectively and form the device that accompanies; Comparator (U3) first in the same way input pin via the 6th resistance (R6) ground connection; The second reverse input pin and first of comparator (U3) is connected with the 7th resistance (R7) in the same way between the input pin; The first pin of paster switch (U5) is connected with the positive pole of the lithium battery of booster circuit, the input of voltage stabilizing didoe (U6), output pin all successively by the first resistance (R1), the 9th resistance (R9) together the second pin of anode two-color diode (U4) be connected; The input of voltage stabilizing didoe (U6), output pin all are connected by second pin of the first resistance (R1) with paster switch (U5); Describedly overcharge, over-discharge protection circuit comprises Li battery protection IC (U7) and two N channel enhancement metal-oxide-semiconductor (U8), the first output pin of Li battery protection IC (U7) and the 3rd output pin connect respectively the grid of two N channel enhancement metal-oxide-semiconductors (U8); The electric current induction input pin of Li battery protection IC (U7) is connected in the source electrode of two N channel enhancement metal-oxide-semiconductors (U8) through the 12 resistance (R12); The power supply input pin of Li battery protection IC (U7) connects positive pole and the 4th electric capacity (C4) of lithium battery; Two drain electrodes of two N channel enhancement metal-oxide-semiconductors (U8) are connected; The source electrode of two N channel enhancement metal-oxide-semiconductors (U8) links to each other with the negative pole of lithium battery.
2. moving photoconductor source circuit as claimed in claim 1 is characterized in that, lithium battery adopts poly-lithium battery; The first electric capacity (C1) adopts tantalum electric capacity; Integrated boost chip (B1) adopts BAU61 type integrated boost chip; Comparator (U3) uses LM358 type comparator; Voltage stabilizing didoe (U6) adopts three sections parallel voltage-stabilizing diodes able to programme of TL431 type; The first USB interface adopts the mini USB interface; Li battery protection IC (U7) adopts DW01+ type integrated chip; Two N channel enhancement metal-oxide-semiconductors (U8) adopt 8205A type metal-oxide-semiconductor.
CN2012204818580U 2012-09-20 2012-09-20 Mobile optical power circuit Expired - Fee Related CN202817836U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012204818580U CN202817836U (en) 2012-09-20 2012-09-20 Mobile optical power circuit

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Application Number Priority Date Filing Date Title
CN2012204818580U CN202817836U (en) 2012-09-20 2012-09-20 Mobile optical power circuit

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CN202817836U true CN202817836U (en) 2013-03-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107733063A (en) * 2017-11-01 2018-02-23 吉林建筑大学 A kind of miniature buck voltage-stabilizing power supply system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107733063A (en) * 2017-11-01 2018-02-23 吉林建筑大学 A kind of miniature buck voltage-stabilizing power supply system

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C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160624

Address after: 030006 Shanxi high tech Zone in Taiyuan City, Changzhi Road No. 278 West Building Room 203

Patentee after: Shanxi CISCO Technology Co., Ltd.

Address before: 030032, No. 12, main street, Taiyuan hi tech Development Zone, Shanxi

Patentee before: Shanxi Tianneng Technology Co., Ltd.

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

Granted publication date: 20130320

Termination date: 20160920

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