CN100386942C - A dry battery type mobile phone charger - Google Patents
A dry battery type mobile phone charger Download PDFInfo
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- CN100386942C CN100386942C CNB2004100270488A CN200410027048A CN100386942C CN 100386942 C CN100386942 C CN 100386942C CN B2004100270488 A CNB2004100270488 A CN B2004100270488A CN 200410027048 A CN200410027048 A CN 200410027048A CN 100386942 C CN100386942 C CN 100386942C
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Abstract
The present invention relates to a dry battery type charger for mobile phones, which comprises a cavity body where a dry battery used as a power supply is placed, an electrode for connecting the output of a battery, a plug which is protruded out of a device and is used for connecting the charging interface of a mobile phone, and a circuit for connecting the electrode and the plug. The present invention is characterized in that the circuit comprises a boosted circuit, the input of the boosted circuit is connected with the electrode, and the output is connected with the plug. As using the boosted circuit, the dry battery type charger for mobile phones can use a dry battery type power source with low voltage, and accordingly, uses dry batteries can be decreased; accordingly, the device volume is reduced, and the use is convenient; the energy product ratio can also be increased because of the decrease of batteries, and accordingly, the change cycle of batteries can be extended.
Description
Technical field
The present invention relates to a kind of dry battery type charger for mobile phone, its classification belongs to H01M2/10 in the International Patent Classification (IPC).
Background technology
Traditional charger for mobile phone is an ac power supply, because the inconvenience of AC power, it is not enough and be forced to the problem of finished call to occur power supply in the process of mobile phone communication unavoidably.At this problem, the battery case of 3 battery series connection is equipped with in China utility model patent CN2490705Y " portable battery for mobile phone structure " design one usually, the voltage of its output is higher than the rated voltage 3.6V of battery in the mobile phone, and has the plug that matches with mobile phone charging interface.During use, this plug inserts mobile phone charging interface, can change self-contained battery under the situation that mobile phone does not shut down, and the situation that no cellular phone power supplies interrupts has the function of charging in the use simultaneously.But this structure is owing to use a plurality of batteries, and to exist the bigger and standby quantity of volume to wait not enough more.Under the situation of equal volume, energy product is than descending at most for the battery number, and the battery altering cycle shortens.
Summary of the invention
It is a kind of in the battery type charger for mobile phone that technical problem solved by the invention is to provide, and this charger reduces the usage quantity of dry cell, thereby avoids the deficiencies in the prior art.
The technical scheme that the present invention solves its technical problem is: a kind of dry battery type charger for mobile phone, comprise: one is used for the cavity of built-in battery as power supply, be used to connect the electrode of battery output, protrude from the utensil outside and be used to connect the plug of mobile phone charging interface, connect the circuit of described electrode and described plug; It is characterized in that: described circuit comprises a booster circuit, and its input connects described electrode, and its output connects described plug.
Owing to used booster circuit, charger for mobile phone can use the dry battery power of low voltage, thereby can decrease in the usage quantity of battery, and this just reduces the volume of utensil, uses more convenient.The battery number reduces also can improve the energy product ratio, thereby prolongs the battery altering cycle.
Described technical scheme is the most suitable, and to be designed to described cavity volume be built-in only battery, and the output voltage of described booster circuit is greater than 3.6V.The dry cell that can only use a market can buy everywhere so just charges and works for most mobile phones that use the 3.6V lithium batteries at present.
One of the modular design that the present invention solves the technical scheme of its technical problem is: described booster circuit comprises NPN type triode T1, resistance R, capacitor C1, capacitor C2, rectifier diode D2, voltage stabilizing didoe D1 and transformer B; Transformer B has elementary winding L 1 and secondary winding L2; Winding L 1 cross-over connection is in the positive pole of battery output and the positive pole of plug 3; One end of resistance R connects the positive pole of battery output, and the other end connects capacitor C1, and the other end of capacitor C1 connects the negative pole of battery output.The positive pole of the collector electrode attachment plug 3 of triode T1, emitter connects the negative pole of power supply, and base stage is access to the tie point of resistance R and capacitor C1 through winding L 2; This tie point connects the negative electrode of voltage stabilizing didoe D1, and the anode of voltage stabilizing didoe D1 is access to the negative pole of plug 3.The negative electrode of rectifier diode D2 connects the emitter of triode T1, and anode is access to the negative pole of plug 3; Capacitor C2 cross-over connection is in the positive pole and the negative pole of plug 3; The positive pole of winding L 1 and power supply tie point and the tie point of winding L 2 and the base stage of triode T1 be end of the same name in transformer B.
The present invention solve its technical problem technical scheme modular design two be: described booster circuit comprises the special use integrated circuit that boosts, inductor L, capacitor C and rectifier diode D; The positive pole of power supply connects the input of the integrated circuit that boosts through inductor L; The positive pole of output attachment plug 3 of integrated circuit boosts; Diode D forward ground is from the past output of the input cross-over connection of the integrated circuit that boosts.The negative pole of power supply connects the earth terminal of integrated circuit that boosts, and is access to the negative pole of plug 3; Capacitor C cross-over connection is in the positive pole and the negative pole of plug 3.
The technical scheme that the present invention solves its technical problem also is designed to, and described battery is general dry battery or rechargeable battery.Also can be used to connect another charger that uses AC power to the battery charge in this charger owing to be used to connect the plug of mobile phone charging interface, thereby can use rechargeable battery, more save and make things convenient for.
In embodiment, will be further described technical scheme of the present invention and modular design in conjunction with each embodiment.
Description of drawings
Following accompanying drawing is used for that the present invention is further illustrated in conjunction with the embodiments.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the present invention's the 1st embodiment circuit diagram.
Fig. 3 is the present invention's the 2nd embodiment circuit diagram.
Embodiment
The structural principle of various embodiments of the present invention as shown in Figure 1.Utensil mainly is made up of the plug 3 that a box body 5 and an end that protrudes from this box body 5 are used to be connected mobile phone charging interface, the cavity 2 and one of establishing a ccontaining common 1.5V R20 dry cell output in the box body 5 connects the booster circuit 1 of battery output terminal, and the positive terminal and the negative pole end of this booster circuit 1 output are connected in plug 3.
The 1st embodiment
The circuit diagram of the present invention the 1st embodiment as shown in Figure 2.This circuit comprises: battery output, NPN type triode T1, resistance R, capacitor C1, capacitor C2, rectifier diode D2, voltage stabilizing didoe D1 and transformer B.Transformer B has elementary winding L 1 and secondary winding L2.Winding L 1 cross-over connection is in the positive pole of battery output and the positive pole of plug 3.One end of resistance R connects the positive pole of battery output, and the other end connects capacitor C1, and the other end of capacitor C1 connects the negative pole of battery output.The positive pole of the collector electrode attachment plug 3 of triode T1, emitter connects the negative pole of battery output, and base stage is access to the tie point of resistance R and capacitor C1 through winding L 2.This tie point connects the negative electrode of voltage stabilizing didoe D1, and the anode of voltage stabilizing didoe D1 is access to the negative pole of plug 3.The negative electrode of rectifier diode D2 connects the emitter of triode T1, and anode is access to the negative pole of plug 3.Capacitor C2 cross-over connection is in the positive pole and the negative pole of plug 3.In transformer B, the positive pole of winding L 1 and battery output tie point and the tie point of winding L 2 and the base stage of triode T1 be end of the same name, therefore constitute oscillating circuit with triode T1, the pulse voltage that is produced is superimposed on the voltage of battery output, therefore produces the voltage that raises at output.This voltage through voltage stabilizing didoe D1 voltage stabilizing, diode D2 rectification and capacitor C2 filtering to plug 3 output dc voltages.The voltage stabilizing value of the selected voltage stabilizing didoe D1 of present embodiment is 4.5V, and the direct voltage of output also is 4.5V, and plug 3 inserts the charging inlet of the mobile phone that uses the 3.6V lithium battery, can charge, and can converse.In the present embodiment, triode T1 can change positive-negative-positive into, and corresponding battery output, plug 3, rectifier diode D2 and voltage stabilizing didoe D1 are connected polarity and all should transfer instead.The present embodiment booster circuit adopts discrete component to constitute, and cost is lower.
The 2nd embodiment
The circuit diagram of the present invention the 2nd embodiment as shown in Figure 3.This circuit comprises: battery output, special use boost integrated circuit MA721, inductor L, capacitor C and rectifier diode D.The positive pole of battery output connects the Lx end of MA721 through inductor L.The positive pole of the OUT end attachment plug 3 of MA721.Diode D forward ground is access to the OUT end from the Lx end span of MA721.The negative pole of battery output connects the Vss end of MA721, and is access to the negative pole of plug 3.Capacitor C cross-over connection strobes in the positive pole and the negative pole of plug 3.Because the specified 5V that is output as of MA721, the direct voltage of plug 3 outputs also is 5V, inserts the charging inlet of the mobile phone that uses the 3.6V lithium battery, also can charge, and can converse.The embodiment booster circuit adopts application-specific integrated circuit (ASIC), and the compact conformation volume is little, and performance is more stable.
The present embodiment battery case can adopt long support spring and elastic sponge to compress battery, if use size battery such as No. 5 or No. 7, volume can be littler.
Dry cell in the present embodiment also can use nickel-cadmium chargeable battery to replace.The plug 3 that the charger of nickel-cadmium chargeable battery is housed connects the rectifier power source of direct current output greater than 1.5V, can carry out restorative charging to rechargeable battery.
Claims (4)
1. dry battery type charger for mobile phone, comprise: one is used for the cavity of built-in battery as power supply, be used for the electrode of battery output, protrude from the plug (3) that the utensil outside is used to connect mobile phone charging interface, connect the circuit of described electrode and described plug (3); Described circuit comprises a booster circuit, and its input connects described electrode, and its output connects described plug (3), and it is characterized in that: described cavity is built-in only battery, and the output voltage of described booster circuit is greater than 3.6V.
2. according to the described dry battery type charger for mobile phone of claim 1, it is characterized in that: described booster circuit comprises NPN type triode (T1), resistance (R), first capacitor (C1), second capacitor (C2), rectifier diode (D2), voltage stabilizing didoe (D1) and transformer (B); Transformer (B) has elementary winding (L1) and secondary winding (L2); Elementary winding (L1) cross-over connection is in the positive pole of power supply and the positive pole of plug (3); One end of resistance (R) connects the positive pole of power supply, and the other end connects first capacitor (C1), and the other end of first capacitor (C1) connects the negative pole of power supply; The positive pole of the collector electrode attachment plug (3) of triode (T1), emitter connects the negative pole of power supply, and base stage is access to the tie point of resistance (R) and first capacitor (C1) through secondary winding (L2); This tie point connects the negative electrode of voltage stabilizing didoe (D1), and the anode of voltage stabilizing didoe (D1) is access to the negative pole of plug (3); The negative electrode of rectifier diode (D2) connects the emitter of triode (T1), and anode is access to the negative pole of plug (3); Second capacitor (C2) cross-over connection is in the positive pole and the negative pole of plug (3); The tie point of the positive pole of elementary winding (L1) and power supply and secondary winding (L2) are end of the same name with the tie point of the base stage of triode (T1) in transformer (B).
3. according to the described dry battery type charger for mobile phone of claim 1, it is characterized in that: described booster circuit comprises the special use integrated circuit that boosts, inductor (L), capacitor (C) and rectifier diode (D); The positive pole of power supply connects the input of the integrated circuit that boosts through inductor (L); The positive pole of output attachment plug (3) of integrated circuit boosts; Diode (D) forward ground is from the past output of the input cross-over connection of the integrated circuit that boosts; The negative pole of power supply connects the earth terminal of integrated circuit that boosts, and is access to the negative pole of plug (3); Capacitor (C) cross-over connection is in the positive pole and the negative pole of plug (3).
4. according to claim 1 or claim 2 or the described dry battery type charger for mobile phone of claim 3, it is characterized in that: described battery is general dry battery or rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100270488A CN100386942C (en) | 2004-04-29 | 2004-04-29 | A dry battery type mobile phone charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100270488A CN100386942C (en) | 2004-04-29 | 2004-04-29 | A dry battery type mobile phone charger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1691462A CN1691462A (en) | 2005-11-02 |
| CN100386942C true CN100386942C (en) | 2008-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100270488A Expired - Fee Related CN100386942C (en) | 2004-04-29 | 2004-04-29 | A dry battery type mobile phone charger |
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| Country | Link |
|---|---|
| CN (1) | CN100386942C (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2426651Y (en) * | 2000-06-08 | 2001-04-11 | 董欣志 | Charging device for mobile phone |
| JP2001157374A (en) * | 1999-11-26 | 2001-06-08 | Hatakeyama Seisakusho:Kk | Charger for mobile telephone |
| CN2543261Y (en) * | 2002-04-28 | 2003-04-02 | 陈建宏 | Emergency charger for mobile telephone |
| CN2582187Y (en) * | 2002-10-28 | 2003-10-22 | 黄占争 | Booster CD charger for mobile phone |
| CN2626118Y (en) * | 2003-06-27 | 2004-07-14 | 金羚电器有限公司 | A dry battery type mobile phone charger |
-
2004
- 2004-04-29 CN CNB2004100270488A patent/CN100386942C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001157374A (en) * | 1999-11-26 | 2001-06-08 | Hatakeyama Seisakusho:Kk | Charger for mobile telephone |
| CN2426651Y (en) * | 2000-06-08 | 2001-04-11 | 董欣志 | Charging device for mobile phone |
| CN2543261Y (en) * | 2002-04-28 | 2003-04-02 | 陈建宏 | Emergency charger for mobile telephone |
| CN2582187Y (en) * | 2002-10-28 | 2003-10-22 | 黄占争 | Booster CD charger for mobile phone |
| CN2626118Y (en) * | 2003-06-27 | 2004-07-14 | 金羚电器有限公司 | A dry battery type mobile phone charger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1691462A (en) | 2005-11-02 |
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Granted publication date: 20080507 Termination date: 20120429 |