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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triode
transistor
usb plug
mobile phone
main body
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Expired - Fee Related
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CN2007100747908A
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CN101325341A (en
Inventor
朱克奇
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SOURCE PRO INDUSTRIES Ltd
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SOURCE PRO INDUSTRIES Ltd
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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

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

Abstract

The invention relates to a mobile phone charger with a USB plug, which comprises a shell, wherein the shell comprises a main body lower cover and a main body upper cover, and the main body lower cover is internally provided with the USB plug, a control panel connected with the USB plug and a mobile phone charging socket connected with the control panel; and a rechargeable battery connected with the control panel is arranged in the main body upper cover. By implementing the technical scheme of the invention, the mobile phone can be carried conveniently and can be charged 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)

1.一种带USB插头的手机充电器,包括壳体,其特征在于,所述壳体包括主体下盖和主体上盖,所述主体下盖内设置有USB插头、与所述USB插头连接的控制板以及与所述控制板连接的手机充电插座;所述主体上盖内设置有与所述控制板连接的充电电池;所述控制板包括过充保护电路,所述过充电保护电路包括第一电源(B)、开关(S)、第一三极管(Q1)、第二三极管(Q2)、第三三极管(Q3)以及第一比较器(ICIA);所述第一三极管(Q1)的基极与所述第二三极管(Q2)的集电极连接,所述第二三极管(Q2)的基极与所述第一比较器(ICIA)的输出端连接,所述第一比较器(ICIA)的正输入端与所述第三三极管(Q3)的基极连接,所述第一电源(B)与所述开关(S)串联后并接于所述第一三极管(Q1)的集电极和所述第二三极管(Q2)的发射极。1. A mobile phone charger with a USB plug, comprising a housing, characterized in that the housing includes a main body lower cover and a main body upper cover, and the main body lower cover is provided with a USB plug, connected with the USB plug The control board and the mobile phone charging socket connected with the control board; the rechargeable battery connected with the control board is arranged in the upper cover of the main body; the control board includes an overcharge protection circuit, and the overcharge protection circuit includes The first power supply (B), the switch (S), the first transistor (Q1), the second transistor (Q2), the third transistor (Q3) and the first comparator (ICIA); The base of a transistor (Q1) is connected to the collector of the second transistor (Q2), and the base of the second transistor (Q2) is connected to the first comparator (ICIA). connected to the output terminal, the positive input terminal of the first comparator (ICIA) is connected to the base of the third triode (Q3), and the first power supply (B) is connected in series with the switch (S) connected in parallel to the collector of the first transistor (Q1) and the emitter of the second transistor (Q2). 2.根据权利要求1所述的一种带USB插头的手机充电器,其特征在于,所述控制板还包括过放保护电路,所述过放保护电路包括第五三极管(Q5)、第二比较器(ICIB)、第六三极管(Q6)、第七三极管(Q7)、稳压器(U2)、第一二极管(D3)、滤波器(EC1)、第二电源(B2)、第八三极管(Q8)以及LED二极管,所述第五三极管(Q5)的基极与所述第二比较器(ICIB)的负输入端连接,所述第二比较器(ICIB)的输出端与所述第六三极管(Q6)的基极连接,所述第五三极管(Q5)的集电极与所述第七三极管(Q7)的发射极连接,所述第六三极管(Q6)的集电极与所述第七三极管(Q7)的基极连接,所述第六三极管(Q6)的发射极与所述第八三极管(Q8)的发射极连接,所述第七三极管(Q7)的集电极与所述稳压器(U2)的输入端连接,所述第一二极管(D3)并接于所述稳压器(U2)的两端,所述第一二极管(D3)的阴极通过滤波器(EC1)接于所述第八三极管(Q8)的发射极,所述稳压器(U2)的输出端分别与第二电源(B2)的正极和所述LED二极管的阳极连接,所述第二电源(B2)的负极与所述第八三极管(Q8)的基极连接,所述第八三极管(Q8)的集电极与所述LED二极管的阴极连接。2. a kind of mobile phone charger with USB plug according to claim 1, is characterized in that, described control board also comprises over-discharge protection circuit, and described over-discharge protection circuit comprises the 5th triode (Q5), Second comparator (ICIB), sixth transistor (Q6), seventh transistor (Q7), voltage regulator (U2), first diode (D3), filter (EC1), second A power supply (B2), an eighth transistor (Q8) and an LED diode, the base of the fifth transistor (Q5) is connected to the negative input terminal of the second comparator (ICIB), and the second The output terminal of the comparator (ICIB) is connected to the base of the sixth triode (Q6), and the collector of the fifth triode (Q5) is connected to the emitter of the seventh triode (Q7). The collector of the sixth transistor (Q6) is connected to the base of the seventh transistor (Q7), and the emitter of the sixth transistor (Q6) is connected to the eighth transistor (Q6). The emitter of the triode (Q8) is connected, the collector of the seventh triode (Q7) is connected to the input terminal of the voltage regulator (U2), and the first diode (D3) is connected in parallel At both ends of the regulator (U2), the cathode of the first diode (D3) is connected to the emitter of the eighth triode (Q8) through a filter (EC1), and the stabilizer The output terminal of the voltage regulator (U2) is respectively connected with the anode of the second power supply (B2) and the anode of the LED diode, and the cathode of the second power supply (B2) is connected with the base of the eighth triode (Q8). The collector of the eighth triode (Q8) is connected to the cathode of the LED diode. 3.根据权利要求1所述的一种带USB插头的手机充电器,其特征在于,所述主体下盖与所述主体上盖通过超声波连接。3. A mobile phone charger with a USB plug according to claim 1, wherein the lower cover of the main body is connected to the upper cover of the main body through ultrasonic waves. 4.根据权利要求1所述的一种带USB插头的手机充电器,其特征在于,所述充电电池为锂电池。4. A mobile phone charger with a USB plug according to claim 1, wherein the rechargeable battery is a lithium battery. 5.根据权利要求1所述的一种带USB插头的手机充电器,其特征在于,所述壳体还包括设置在所述充电电池上的电池盖。5. A mobile phone charger with a USB plug according to claim 1, wherein the housing further comprises a battery cover arranged on the rechargeable battery. 6.根据权利要求1所述的一种带USB插头的手机充电器,其特征在于,所述壳体还包括与所述主体下盖延伸出的USB插头匹配连接的USB保护盖。6 . A mobile phone charger with a USB plug according to claim 1 , wherein the housing further includes a USB protective cover that is mated and connected to the USB plug extending from the lower cover of the main body. 7 .
CN2007100747908A 2007-06-11 2007-06-11 Mobile phone charger with USB plug Expired - Fee Related CN101325341B (en)

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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
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
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

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CN2877107Y (en) * 2006-01-11 2007-03-07 惠州市蓝微电子有限公司 Lithium battery charging managing circuit
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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

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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
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