CN201051677Y - A portable mobile phone charger - Google Patents

A portable mobile phone charger Download PDF

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Publication number
CN201051677Y
CN201051677Y CNU200720106185XU CN200720106185U CN201051677Y CN 201051677 Y CN201051677 Y CN 201051677Y CN U200720106185X U CNU200720106185X U CN U200720106185XU CN 200720106185 U CN200720106185 U CN 200720106185U CN 201051677 Y CN201051677 Y CN 201051677Y
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CN
China
Prior art keywords
triode
voltage
circuit
dry cell
charger
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 - Lifetime
Application number
CNU200720106185XU
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Chinese (zh)
Inventor
王剑浩
顾忠良
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.)
Zhongyin Ningbo Battery Co Ltd
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Zhongyin Ningbo Battery Co Ltd
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Publication date
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Priority to CNU200720106185XU priority Critical patent/CN201051677Y/en
Application granted granted Critical
Publication of CN201051677Y publication Critical patent/CN201051677Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model discloses a portable charging device for cell phones, which comprises a dry battery, an oscillating circuit, a rectification filter circuit, and a voltage-stabilized output circuit. The dry battery is connected with the input end of the oscillating circuit, and the output end of the oscillating circuit is connected with the input end of the voltage-stabilized output circuit through the rectification filter circuit. A voltage feedback control circuit is arranged between the oscillating circuit and the voltage-stabilized output circuit, and the oscillating circuit is provided with a switch control circuit. The utility model has low cost due to the adoption of separated elements, and convenient popularization. And the circuits do not work when the charging device does not connected with external electric appliances, and statically electrical energy loss is low, thereby prolonging the service life of the dry battery.

Description

A kind of portable charger for handset
Technical field
The utility model relates to a kind of charger for mobile phone, especially relates to a kind of portable charger for handset.
Background technology
Existing charger for mobile phone mostly is the AC type charger for mobile phone greatly, and its volume is big and heavy, and it is not too convenient to carry, and must use the 220V alternating current to charge.Sometimes people's field work, travelling or on the vehicle of long-distance running run into the situation that mobile phone does not have electricity, and these places often do not have AC power, and the awkward circumstances of this kind are headache very.China Patent No. is to disclose a kind of portable charger for handset in the patent of ZL01258694.3, it adopts two joint dry cells to give cell-phone charging after oversampling circuit boosts, thereby the problem that has solved the conventional charger heaviness and must charge under the condition of alternating current has certain superiority.But most at present chargers also exists the bigger defective of static electric energy loss when not working, and this has caused the useful life of battery shorter, needs often to change battery and guarantees the interim emergent charging that takes place.
Summary of the invention
Technical problem to be solved in the utility model provides that a kind of static working current is little, battery long service life, cost portable charger for handset low, easy to carry.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of portable charger for handset, comprise dry cell, oscillating circuit, current rectifying and wave filtering circuit and voltage-stabilizing output circuit, described dry cell is connected with the input of described oscillating circuit, the output of described oscillating circuit is connected with the input of described voltage-stabilizing output circuit by described current rectifying and wave filtering circuit, be provided with the Voltage Feedback control circuit between described oscillating circuit and the described voltage-stabilizing output circuit, described oscillating circuit is provided with ON-OFF control circuit.
Described oscillating circuit comprises first electric capacity, inductance, first triode and second triode, described current rectifying and wave filtering circuit comprises first diode and second electric capacity, described voltage-stabilizing output circuit comprises voltage-stabiliser tube, the collector electrode of described first triode is connected with the positive pole of described dry cell by inductance, the emitter of described first triode is connected with the negative pole of dry cell, the emitter of described second triode is connected with the positive pole of described dry cell by the 3rd resistance, the collector electrode of described second triode is connected with the base stage of described first triode, the collector electrode of described second triode is connected with the negative pole of dry cell by the 4th resistance simultaneously, be provided with described first electric capacity between the base stage of the collector electrode of described first triode and described second triode, the base stage of described second triode is connected with positive pole dry cell by first resistance, the collector electrode of described first triode is connected with the positive pole of second electric capacity by first diode, described second electric capacity is connected in parallel on the described voltage-stabilizing output circuit, the negative pole of described dry cell and the negative pole of voltage-stabilizing output circuit are same end, described Voltage Feedback control circuit comprises the 3rd triode and second diode, the emitter of the 3rd triode is connected with the positive pole of described second electric capacity, the ground level of the 3rd triode is connected with the positive pole of second electric capacity by the 6th resistance, the base stage of the 3rd triode is connected with the negative pole of dry cell with voltage-stabiliser tube by the 7th resistance, described ON-OFF control circuit comprises a corresponding switch control end of the earth terminal with external connection electrical apparatus, and described switch control end is connected with the base stage of described second triode by the 5th resistance.
Described voltage-stabilizing output circuit comprises an output interface, and described switch control end is connected with the metal shell of described output interface, and the metal shell of described output interface is corresponding mutually with the earth terminal of external connection electrical apparatus.
Be provided with second resistance and LED between the positive pole of described dry cell and the switch control end.
Described output interface is a USB interface.
Described dry cell is two joints No. 5 or No. 7 alkaline batteries.
It also includes the charger crossover sub, and an end of described charger crossover sub is provided with USB interface, and the other end of described charger crossover sub is provided with the conventional mobile phone charging inlet.
Compared with prior art, advantage of the present utility model is to adopt discrete component, and cost is low, favourable popularization.When charger uses, the switch control end inserts mobile phone charging interface, and the earth terminal on the mobile phone charging interface contacts with metal shell on the output interface, makes switch control end and power cathode while ground connection, be that second triode inserts direct current biasing, circuit begins to start; When charger did not use, switch control end and power cathode were unsettled, and second triode ends, and circuit is not worked, so quiescent current is very little, has only 0.3uA, and electric energy loss is less, had prolonged the useful life of dry cell.
The setting of LED lamp is in order to show whether charger works.
The development trend of following mobile phone is the unified USB of employing charging inlet, the trendy mobile phone that occurs on the existing market, its charging inlet USB interface, the USB joint that the utility model is provided with, can satisfy the requirement of above-mentioned new product, also have and still adopt traditional charging inlet, the utility model also is provided with the charging crossover sub, the charging crossover sub is provided with USB female seat interface, USB female seat interface on the charging crossover sub and the USB male interface on the charger body are used, the output of charging crossover sub adopts the legacy interface with traditional mobile phone charging interface coupling, and the mobile phone with traditional charging inlet also can be charged with this charger.Also have charging inlet all to adopt USB interface, also can use the utility model to charge, realized that a charger can use for a plurality of electrical equipment, bring very big convenience to people as trendy electrical equipment such as digital camera, MP3.
Description of drawings
Fig. 1 is a schematic block circuit diagram of the present utility model;
Fig. 2 is a circuit diagram of the present utility model.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Embodiment one: a kind of portable charger for handset, comprise dry cell 1, oscillating circuit 2, current rectifying and wave filtering circuit 3 and voltage-stabilizing output circuit 4, dry cell 1 is connected with the input of oscillating circuit 2, the output of oscillating circuit 2 is connected with the input of voltage-stabilizing output circuit 4 by current rectifying and wave filtering circuit 3, be provided with Voltage Feedback control circuit 5 between oscillating circuit 2 and the voltage-stabilizing output circuit 4, oscillating circuit 2 is provided with ON-OFF control circuit 6.
Oscillating circuit 2 comprises first capacitor C 1, inductance L, the first triode Q1 and the second triode Q2, current rectifying and wave filtering circuit 3 comprises the first diode D1 and second capacitor C 2, voltage-stabilizing output circuit 4 comprises voltage-stabiliser tube ZD1, the collector electrode of the first triode Q1 is connected by the positive pole of inductance L with dry cell 1, the emitter of the first triode Q1 is connected with the negative pole of dry cell 1, the emitter of the second triode Q2 is connected with the positive pole of dry cell 1 by the 3rd resistance R 3, the collector electrode of the second triode Q2 is connected with the base stage of the first triode Q1, the collector electrode of the second triode Q2 is connected with the negative pole of dry cell 1 by the 4th resistance R 4 simultaneously, be provided with first capacitor C 1 between the base stage of the collector electrode of the 3rd triode Q1 and the second triode Q2, the base stage of the second triode Q2 is connected with the positive pole of dry cell 1 by first resistance R 1, the collector electrode of the first triode Q1 is connected with the positive pole of second capacitor C 2 by the first diode D1, second capacitor C 2 is connected in parallel on the voltage-stabilizing output circuit 4, the negative pole of the negative pole of dry cell 1 and voltage-stabilizing output circuit 4 is same end, Voltage Feedback control circuit 5 comprises the 3rd triode Q3 and the second diode D2, the emitter of the 3rd triode Q3 is connected with the positive pole of second capacitor C 2, the ground level of the 3rd triode Q3 is connected with the positive pole of second capacitor C 2 by the 6th resistance R 6, the base stage of the 3rd triode Q3 is connected with the negative pole of dry cell 1 with voltage-stabiliser tube ZD1 by the 7th resistance R 7, ON-OFF control circuit 6 comprises a corresponding switch control end 7 of the earth terminal with external connection electrical apparatus, switch control end 7 is connected with the base stage of the second triode Q2 by the 5th resistance R 5, voltage-stabilizing output circuit 4 comprises that a mini USB 5MK5 goes out 5G/FV sections shell encapsulation type USB male interface, switch control end 7 is connected with the metal shell of USB male interface, the metal shell of USB male interface is corresponding mutually with the earth terminal of external connection electrical apparatus, when external connection electrical apparatus is a charger crossover sub, one end of charger crossover sub is provided with USB female seat interface, and the other end of charger crossover sub is provided with the conventional mobile phone charging inlet.Be provided with second resistance R 2 and the LED between the positive pole of dry cell 1 and the switch control end 7.Dry cell is two joints No. 5 or No. 7 alkaline batteries.
Operation principle of the present utility model: oscillating circuit is by the first triode Q1, the second triode Q2, first capacitor C 1 and the inductance L, converts DC power supply to interchange.Current rectifying and wave filtering circuit is by the first diode D1, and second capacitor C 2 is formed.The Voltage Feedback control circuit is made up of the 3rd triode Q3 and the second diode D2, and voltage-stabiliser tube ZD1 decision voltage stabilizing value has also guaranteed the stable of output voltage values simultaneously.
Switch control end 4 is connected with the metal shell of mini USB interface.During mini USB female seat interface when inserting electrical equipment such as mobile phone when the mini USB male interface of charger, earth terminal in the charging inlet on the external connection electrical apparatus contacts with the metal shell of mini USB interface of the present utility model, thereby make switch control end 4 ground connection of charger, also make simultaneously an end ground connection of the 4th resistance R 4, be that the two or two triode Q2 inserts direct current biasing, circuit start.Behind circuit start, first triode Q1 conduction period, the electric current linear growth of energy storage inductor L, storage power, and 2 discharges of second capacitor C provide output current to load, and between the first triode Q1 off period, the voltage that inductance L induces is superimposed upon on the output voltage through the second diode D2.
Select the 4th resistance R 4, the 5th resistance R 5 control output currents of suitable resistance, output voltage is subjected to voltage-stabiliser tube ZD1 control stabilization at 5.2 ± 0.3V.
Whether the LED lamp works for indicating circuit, and when circuit start was worked, the LED lamp was bright, and when circuit quit work, the LED lamp extinguished.

Claims (7)

1. portable charger for handset, comprise dry cell, oscillating circuit, current rectifying and wave filtering circuit and voltage-stabilizing output circuit, described dry cell is connected with the input of described oscillating circuit, the output of described oscillating circuit is connected with the input of described voltage-stabilizing output circuit by described current rectifying and wave filtering circuit, it is characterized in that being provided with the Voltage Feedback control circuit between described oscillating circuit and the described voltage-stabilizing output circuit, described oscillating circuit is provided with ON-OFF control circuit.
2. a kind of emergent charger for cell phone according to claim 1, it is characterized in that described oscillating circuit comprises first electric capacity, inductance, first triode and second triode, described current rectifying and wave filtering circuit comprises first diode and second electric capacity, described voltage-stabilizing output circuit comprises voltage-stabiliser tube, the collector electrode of described first triode is connected with the positive pole of described dry cell by inductance, the emitter of described first triode is connected with the negative pole of dry cell, the emitter of described second triode is connected with the positive pole of described dry cell by the 3rd resistance, the collector electrode of described second triode is connected with the base stage of described first triode, the collector electrode of described second triode is connected with the negative pole of dry cell by the 4th resistance simultaneously, be provided with described first electric capacity between the base stage of the collector electrode of described first triode and described second triode, the base stage of described second triode is connected with the positive pole of dry cell by first resistance, the collector electrode of described first triode is connected with the positive pole of second electric capacity by first diode, described second electric capacity is connected in parallel on the described voltage-stabilizing output circuit, the negative pole of described dry cell and the negative pole of voltage-stabilizing output circuit are same end, described Voltage Feedback control circuit comprises the 3rd triode and second diode, the emitter of the 3rd triode is connected with the positive pole of described second electric capacity, the ground level of the 3rd triode is connected with the positive pole of second electric capacity by the 6th resistance, the base stage of the 3rd triode is connected with the negative pole of dry cell with voltage-stabiliser tube by the 7th resistance, described ON-OFF control circuit comprises a corresponding switch control end of the earth terminal with external connection electrical apparatus, and described switch control end is connected with the base stage of described second triode by the 5th resistance.
3. a kind of emergent charger for cell phone according to claim 2, it is characterized in that described voltage-stabilizing output circuit comprises an output interface, described switch control end is connected with the metal shell of described output interface, and the metal shell of described output interface is corresponding mutually with the earth terminal of external connection electrical apparatus.
4. a kind of portable charger for handset according to claim 1 is characterized in that being provided with second resistance and light-emitting diode between the positive pole of described dry cell and the switch control end.
5. a kind of portable charger for handset according to claim 1 is characterized in that described output interface is a USB interface.
6. a kind of portable charger for handset according to claim 1 is characterized in that described dry cell is two joints No. 5 or No. 7 alkaline batteries.
7. a kind of portable charger for handset according to claim 5, it is characterized in that it also includes the charger crossover sub, one end of described charger crossover sub is provided with USB interface, and the other end of described charger crossover sub is provided with the conventional mobile phone charging inlet.
CNU200720106185XU 2007-02-02 2007-02-02 A portable mobile phone charger Expired - Lifetime CN201051677Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU200720106185XU CN201051677Y (en) 2007-02-02 2007-02-02 A portable mobile phone charger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU200720106185XU CN201051677Y (en) 2007-02-02 2007-02-02 A portable mobile phone charger

Publications (1)

Publication Number Publication Date
CN201051677Y true CN201051677Y (en) 2008-04-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102201600A (en) * 2010-03-25 2011-09-28 陈建鑫 Travelling emergency charger
CN102983875A (en) * 2012-11-29 2013-03-20 中兴通讯股份有限公司 Method and equipment for reducing interference to sensitivity of data card antenna

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102201600A (en) * 2010-03-25 2011-09-28 陈建鑫 Travelling emergency charger
CN102983875A (en) * 2012-11-29 2013-03-20 中兴通讯股份有限公司 Method and equipment for reducing interference to sensitivity of data card antenna

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Ningbo Shuanglu Energy Science and Technology Co., Ltd.

Assignor: Zhongyin (Ningbo) Battery Co., Ltd.

Contract fulfillment period: 2008.8.8 to 2013.8.7

Contract record no.: 2008990000374

Denomination of utility model: Portable charger for handset

Granted publication date: 20080423

License type: Exclusive license

Record date: 20080910

LIC Patent licence contract for exploitation submitted for record

Free format text: EXCLUSIVE LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.8.8 TO 2013.8.7

Name of requester: NINGBO SHUANGLU ENERGY TECHNOLOGY CO., LTD.

Effective date: 20080910

CX01 Expiry of patent term

Granted publication date: 20080423

CX01 Expiry of patent term