CN101325341B - Mobile phone charger with USB plug - Google Patents

Mobile phone charger with USB plug Download PDF

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Publication number
CN101325341B
CN101325341B CN2007100747908A CN200710074790A CN101325341B CN 101325341 B CN101325341 B CN 101325341B CN 2007100747908 A CN2007100747908 A CN 2007100747908A CN 200710074790 A CN200710074790 A CN 200710074790A CN 101325341 B CN101325341 B CN 101325341B
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CN
China
Prior art keywords
triode
usb plug
mobile phone
charger
main body
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
CN2007100747908A
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Chinese (zh)
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CN101325341A (en
Inventor
朱克奇
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.)
DONGGUAN SHOUZIBAO ELECTRICAL MANUFACTURING Co Ltd
Original Assignee
DONGGUAN SHOUZIBAO ELECTRICAL MANUFACTURING Co Ltd
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Priority to CN2007100747908A priority Critical patent/CN101325341B/en
Publication of CN101325341A publication Critical patent/CN101325341A/en
Application granted granted Critical
Publication of CN101325341B publication Critical patent/CN101325341B/en
Expired - Fee Related 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 invention relates to a mobile phone charger with a USB plug, comprising a case, having a body lower cover and a body upper cover, wherein a USB plug, a control panel connected with the USB plug and a mobile phone charger plug connected with the control panel are arranged in the body upper cover, while a charging cell connected with the control panel is arranged in the body lower cover. According to the technical scheme of the embodiment, the charger is convenient to carry along, which can charge the mobile phone at any time and any place.

Description

The charger for mobile phone of band USB plug
Technical field
The present invention relates to charger, more particularly, relate to a kind of charger for mobile phone with USB plug.
Background technology
At present, the charger for mobile phone in market all is corresponding one by one at its mobile phone model, different charger for mobile phone can not be to the cell-phone charging of different model, and this charger all is by giving cell-phone charging on the AC power that is inserted into 220V, when the user does not have the 220V power supply at one's side, just cell-phone charging can not have been given.
Even some mobile battery charger does not need to be inserted into the AC power of 220V, and be externally charging by the USB port on the computer.But this charger for mobile phone also must have computer could charge to mobile phone at one's side, if the user out, does not have computer at one's side, that just can not give cell-phone charging equally.
Summary of the invention
The technical problem to be solved in the present invention is that the above-mentioned defective to the cell-phone charging inconvenience at prior art provides a kind of charger for mobile phone with USB plug, can be easy to carry, and can charge to mobile phone whenever and wherever possible.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of charger for mobile phone with USB plug, comprise housing, it is characterized in that, described housing comprises main body lower cover and main body loam cake, the cell-phone charging socket that is provided with USB plug, the control board that is connected with described USB plug in the described main body lower cover and is connected with described control board; Be provided with the rechargeable battery that is connected with described control board in the described main body loam cake; Described control board comprises overcharge protection circuit, and described additives for overcharge protection circuit comprises the first power supply B, switch S, the first triode Q1, the second triode Q2, the 3rd triode Q3 and the first comparator ICIA; The base stage of the described first triode Q1 is connected with the collector electrode of the described second triode Q2, the base stage of the described second triode Q2 is connected with the output of the described first comparator ICIA, the positive input terminal of the described first comparator ICIA is connected with the base stage of described the 3rd triode Q3, the described first power supply B be connected to the collector electrode of the described first triode Q1 and the emitter of the described second triode Q2 after described switch S is connected.
Among the present invention; described control board also comprises over-discharge protection circuit; described over-discharge protection circuit comprises the 5th triode Q5; the second comparator ICIB; the 6th triode Q6; the 7th triode Q7; pressurizer U2; the first diode D3; filter EC1; second source B2; the 8th triode Q8 and LED diode; the base stage of described the 5th triode Q5 is connected with the negative input end of the described second comparator ICIB; the output of the described second comparator ICIB is connected with the base stage of described the 6th triode Q6; the collector electrode of described the 5th triode Q5 is connected with the emitter of described the 7th triode Q7; the collector electrode of described the 6th triode Q6 is connected with the base stage of described the 7th triode Q7; the emitter of described the 6th triode Q6 is connected with the emitter of described the 8th triode Q8; the collector electrode of described the 7th triode Q7 is connected with the input of described pressurizer U2; the described first diode D3 is connected to the two ends of described pressurizer U2; the negative electrode of the described first diode D3 is connected to the emitter of described the 8th triode Q8 by filter EC1; the output of described pressurizer U2 is connected with the positive pole of second source B2 and the anode of described LED diode respectively; the negative pole of described second source B2 is connected with the base stage of described the 8th triode Q8, and the collector electrode of described the 8th triode Q8 is connected with the negative electrode of described LED diode.
Among the present invention, described main body lower cover is connected by ultrasonic wave with described main body loam cake.
Among the present invention, described rechargeable battery is a lithium battery.
Among the present invention, described housing also comprises the battery cover that is arranged on the described rechargeable battery.
Among the present invention, described housing also comprises the USB over cap that is connected with the extended USB plug coupling of described main body loam cake.
The invention has the beneficial effects as follows, can be easy to carry, can charge to mobile phone whenever and wherever possible.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of the charger for mobile phone of band USB plug of the present invention;
Fig. 2 is the circuit theory diagrams of the charger for mobile phone of band USB plug of the present invention.
Embodiment
As shown in Figure 1, a kind of charger for mobile phone with USB plug, mainly comprise housing, this housing comprises main body lower cover 6 and main body loam cake 5, is provided with USB plug 8, the control board 10 that is connected with USB plug 8 in the main body lower cover 6 and is connected cell-phone charging socket 11 with control board 10; Be provided with the rechargeable battery 2 that is connected with control board 10 in the main body loam cake 5.
Wherein, battery sheet negative pole is connected with the negative pole of rechargeable battery 2, and the battery sheet of rechargeable battery 2 anodal 3 is connected with control board 10.
Wherein, housing also comprises and main body lower cover 6 extended USB plug 8 couplings USB over cap 7 that is connected and the battery covers 1 that are arranged on the rechargeable battery 2.Main body loam cake 5 and main body lower cover 6 are connected by ultrasonic wave, can make better that like this main body upper and lower covers links together better.
Wherein, rechargeable battery 2 can be that to take model be the lithium battery of LIR3048.
The circuit theory diagrams of above-mentioned control board mainly comprise overcharge protection circuit and over-discharge protection circuit as shown in Figure 2.
Wherein, the additives for overcharge protection circuit mainly comprises the first power supply B, switch S (being the switch 9 among Fig. 1), the first triode Q1, the second triode Q2, the 3rd triode Q3 and the first comparator ICIA.The emitter of the first triode Q1 is connected with the negative electrode of diode D1, the base stage of the first triode Q1 is connected with the collector electrode of the second triode Q2 by resistance R 2, the base stage of the second triode Q2 is connected with the 1st pin of comparator ICIA by resistance R 3, the 3rd pin (anode) of comparator ICIA is connected with the base stage of the 3rd triode Q3, the 2nd pin (negative terminal) of comparator ICIA is connected to the intermediate node of resistance R 5 and R6, is connected to the collector electrode of the first triode Q1 and the emitter of the second triode Q2 after resistance R 5 and the R6 series connection.The first power supply B be connected to the collector electrode of the first triode Q1 and the emitter of the second triode Q2 after described switch S is connected.
Wherein, over-discharge protection circuit mainly comprises the 5th triode Q5, the second comparator ICIB, the 6th triode Q6, the 7th triode Q7, pressurizer U2, diode D3, filter EC1, second source B2, the 8th triode Q8 and LED diode.Be connected to the collector electrode of the first triode Q1 and the emitter of the second triode Q2 after resistance R 7 and resistance R 8 series connection.The collector electrode of the 5th triode Q5 is connected to the collector electrode of the first triode Q1 by resistance R 9, the emitter of the 5th triode Q5 is connected to the emitter of the second triode Q2, the base stage of the 5th triode Q5 is connected with the 6th pin of the second comparator ICIB, and the intermediate node of resistance R 7 and resistance R 8 is connected to the 5th pin of the second comparator ICIB by resistance R 10.The 5th pin of the second comparator ICIB is connected to the 7th pin of the second comparator ICIB by resistance R 11, the 7th pin of the second comparator ICIB is connected with the base stage of described the 6th triode Q6 by resistance R 12, the collector electrode of the 6th triode Q6 is connected with the base stage of the 7th triode Q7 by resistance R 13, the emitter of the 6th triode Q6 is connected with the emitter of the second triode Q2 and the emitter of the 8th triode Q8 respectively, the collector electrode of the 7th triode Q7 is connected by the input of inductance L with described pressurizer U2, diode D3 is connected to the two ends of pressurizer U2, the output of pressurizer U2 is connected with the positive pole of second source B2 and the anode of described LED diode respectively, the negative electrode of diode D3 is connected to the emitter of the 8th triode by filter EC1, the negative pole of second source B2 is connected with the base stage of the 8th triode Q8, and the collector electrode of the 8th triode Q8 is connected with the negative electrode of LED diode.
When inserting computer USB interface; the 5V electric current is given rechargeable battery (LIR3048) charging through charge protector, and charging indicator light LED1 is bright, when the voltage of rechargeable battery rises to 4.0v; by the overcharge protection circuit that comparator ICIALM358 forms its charging is closed, the indication LED of promptly charging 1 is closed and is gone out.
When connecting cell-phone charging socket 11; rechargeable battery 3.6V is through booster circuit; rise to 7V; to 5V, give cell-phone charging through pressurizer U2RT9261 voltage stabilizing again; LED2 is bright for the discharge indicator light; when charged battery voltage is low to moderate 3.1, its discharge to be closed by the over-discharge protection circuit that comparator ICIB LM358 forms. the indication LED of promptly discharging 2 is closed and is gone out.
In sum,, can be easy to carry, can charge to mobile phone whenever and wherever possible by implementing technical solution of the present invention.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.

Claims (6)

1. charger for mobile phone with USB plug, comprise housing, it is characterized in that described housing comprises main body lower cover and main body loam cake, the cell-phone charging socket that is provided with USB plug, the control board that is connected with described USB plug in the described main body lower cover and is connected with described control board; Be provided with the rechargeable battery that is connected with described control board in the described main body loam cake; Described control board comprises overcharge protection circuit, and described additives for overcharge protection circuit comprises first power supply (B), switch (S), first triode (Q1), second triode (Q2), the 3rd triode (Q3) and first comparator (ICIA); The base stage of described first triode (Q1) is connected with the collector electrode of described second triode (Q2), the base stage of described second triode (Q2) is connected with the output of described first comparator (ICIA), the positive input terminal of described first comparator (ICIA) is connected with the base stage of described the 3rd triode (Q3), described first power supply (B) be connected to the collector electrode of described first triode (Q1) and the emitter of described second triode (Q2) after described switch (S) is connected.
2. a kind of charger for mobile phone according to claim 1 with USB plug; it is characterized in that; described control board also comprises over-discharge protection circuit; described over-discharge protection circuit comprises the 5th triode (Q5); second comparator (ICIB); the 6th triode (Q6); the 7th triode (Q7); pressurizer (U2); first diode (D3); filter (EC1); second source (B2); the 8th triode (Q8) and LED diode; the base stage of described the 5th triode (Q5) is connected with the negative input end of described second comparator (ICIB); the output of described second comparator (ICIB) is connected with the base stage of described the 6th triode (Q6); the collector electrode of described the 5th triode (Q5) is connected with the emitter of described the 7th triode (Q7); the collector electrode of described the 6th triode (Q6) is connected with the base stage of described the 7th triode (Q7); the emitter of described the 6th triode (Q6) is connected with the emitter of described the 8th triode (Q8); the collector electrode of described the 7th triode (Q7) is connected with the input of described pressurizer (U2); described first diode (D3) is connected to the two ends of described pressurizer (U2); the negative electrode of described first diode (D3) is connected to the emitter of described the 8th triode (Q8) by filter (EC1); the output of described pressurizer (U2) is connected with the positive pole of second source (B2) and the anode of described LED diode respectively; the negative pole of described second source (B2) is connected with the base stage of described the 8th triode (Q8), and the collector electrode of described the 8th triode (Q8) is connected with the negative electrode of described LED diode.
3. a kind of charger for mobile phone with USB plug according to claim 1 is characterized in that, described main body lower cover is connected by ultrasonic wave with described main body loam cake.
4. a kind of charger for mobile phone with USB plug according to claim 1 is characterized in that described rechargeable battery is a lithium battery.
5. a kind of charger for mobile phone with USB plug according to claim 1 is characterized in that described housing also comprises the battery cover that is arranged on the described rechargeable battery.
6. a kind of charger for mobile phone with USB plug according to claim 1 is characterized in that, described housing also comprises the USB over cap that is connected with the extended USB plug coupling of described main body lower cover.
CN2007100747908A 2007-06-11 2007-06-11 Mobile phone charger with USB plug Expired - Fee Related CN101325341B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2007100747908A CN101325341B (en) 2007-06-11 2007-06-11 Mobile phone charger with USB plug

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Application Number Priority Date Filing Date Title
CN2007100747908A CN101325341B (en) 2007-06-11 2007-06-11 Mobile phone charger with USB plug

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CN101325341B true CN101325341B (en) 2010-09-01

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102185345B (en) * 2011-04-11 2014-07-23 江门市朗达集团有限公司 Integrated battery charger with USB interface
CN103135062A (en) * 2011-11-30 2013-06-05 凯迈(洛阳)电子有限公司 Charge-discharge monitoring method of high-efficiency power battery
CN102496984A (en) * 2011-11-30 2012-06-13 凯迈(洛阳)电子有限公司 Charging and discharging monitoring control device of lithium ion battery

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1372364A (en) * 2001-02-20 2002-10-02 精工电子有限公司 Controller for electricity recharge/discharge
CN2877107Y (en) * 2006-01-11 2007-03-07 惠州市蓝微电子有限公司 Lithium battery charging managing circuit
CN2891314Y (en) * 2006-04-12 2007-04-18 朱勇文 USB charger with lamp
CN2899127Y (en) * 2006-03-09 2007-05-09 王一锋 Plumbous-acid accumulator with charging and discharging protecting control module
CN201061158Y (en) * 2007-06-11 2008-05-14 东莞首资宝电器制造有限公司 Mobile phone charger with USB plug

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1372364A (en) * 2001-02-20 2002-10-02 精工电子有限公司 Controller for electricity recharge/discharge
CN2877107Y (en) * 2006-01-11 2007-03-07 惠州市蓝微电子有限公司 Lithium battery charging managing circuit
CN2899127Y (en) * 2006-03-09 2007-05-09 王一锋 Plumbous-acid accumulator with charging and discharging protecting control module
CN2891314Y (en) * 2006-04-12 2007-04-18 朱勇文 USB charger with lamp
CN201061158Y (en) * 2007-06-11 2008-05-14 东莞首资宝电器制造有限公司 Mobile phone charger with USB plug

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JP特开2002-369373A 2002.12.20
JP特开平11-234911A 1999.08.27

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Granted publication date: 20100901

Termination date: 20130611