CN101325341B - Mobile phone charger with USB plug - Google Patents
Mobile phone charger with USB plug Download PDFInfo
- 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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- Prior art keywords
- triode
- transistor
- usb plug
- mobile phone
- main body
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- 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.)
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 1
- 239000003381 stabilizer Substances 0.000 claims 1
- 239000000654 additive Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Classifications
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- 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
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)
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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100747908A CN101325341B (en) | 2007-06-11 | 2007-06-11 | Mobile phone charger with USB plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101325341A CN101325341A (en) | 2008-12-17 |
| CN101325341B true CN101325341B (en) | 2010-09-01 |
Family
ID=40188737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100747908A Expired - Fee Related CN101325341B (en) | 2007-06-11 | 2007-06-11 | Mobile phone charger with USB plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101325341B (en) |
Families Citing this family (3)
| 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 |
Citations (5)
| 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 |
-
2007
- 2007-06-11 CN CN2007100747908A patent/CN101325341B/en not_active Expired - Fee Related
Patent Citations (5)
| 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)
| Title |
|---|
| JP特开2002-369373A 2002.12.20 |
| JP特开平11-234911A 1999.08.27 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101325341A (en) | 2008-12-17 |
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Granted publication date: 20100901 Termination date: 20130611 |