CN203933116U - A kind of charger for mobile phone - Google Patents
A kind of charger for mobile phone Download PDFInfo
- Publication number
- CN203933116U CN203933116U CN201420339403.4U CN201420339403U CN203933116U CN 203933116 U CN203933116 U CN 203933116U CN 201420339403 U CN201420339403 U CN 201420339403U CN 203933116 U CN203933116 U CN 203933116U
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- China
- Prior art keywords
- resistance
- diode
- electric capacity
- transformer
- triode
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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.)
- Expired - Lifetime
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910000859 α-Fe Inorganic materials 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract description 4
- 238000004804 winding Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of charger for mobile phone, comprise the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the first diode, the second diode, the 3rd diode, the 4th diode, the 5th diode, the 6th diode, the first triode, the second triode, transformer, the utility model input adds diode, once circuit breaks down, safety that can protective circuit, the first resistance of input has a plurality of resistance to be formed in parallel simultaneously, the electric current that can effectively break up circuit, reduce the phenomenon that resistance blows, Transformer Selection high frequency transformer improves the resistivity of circuit simultaneously, the eddy current that reduces to produce in circuit, improve the charge efficiency of circuit.
Description
Technical field
The utility model discloses a kind of charger for mobile phone, relate to mobile phone spare and accessory parts technical field.
Background technology
The frequency of using along with mobile phone is more and more extensive, the use of charger for mobile phone is also seen everywhere, charger for mobile phone is broadly divided into traveling charger, seat formula charger and maintenance type charger, charger for mobile phone claims again portable power source, charging precious, is mainly by stabilized voltage power supply, provides that stable operating voltage and enough electric currents add necessary constant current, pressure limiting, the control circuit such as prescribe a time limit forms.
Often can there is the problem of undercharge in a lot of chargers; directly translate into battery discharge time short; namely the cell phone standby air time is short; in the process of reality maintenance; in power charging circuit, often there will be switching tube and resistance to damage at most; the resistance of the input in charger for mobile phone circuit is protective resistance; once breaking down, circuit causes overcurrent; this resistance will be blown so; thereby cause larger fault; what the transformer resistivity in available circuit was selected simultaneously is inadequate, will cause eddy current larger in circuit, reduces the efficiency of charging.
Utility model content
Technical problem to be solved in the utility model is: for the defect of prior art; a kind of charger for mobile phone is provided; input adds diode, once circuit break down, safety that can protective circuit; the first resistance of input has a plurality of resistance to be formed in parallel simultaneously; the electric current that can effectively break up circuit, reduces the phenomenon that resistance blows, and Transformer Selection high frequency transformer improves the resistivity of circuit simultaneously; the eddy current that reduces to produce in circuit, the charge efficiency of raising circuit.
The utility model is for solving the problems of the technologies described above by the following technical solutions:
A charger for mobile phone, comprises the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the first diode, the second diode, the 3rd diode, the 4th diode, the 5th diode, the 6th diode, the first triode, the second triode, transformer;
Wherein, an input of the anodic bonding external power supply of the first diode, the negative electrode of described the first diode connect respectively one end of the first electric capacity, one end of one end of the second resistance, the 3rd resistance, an input of one end of the 4th resistance, one end of the second electric capacity, the primary coil of transformer;
The other end of described the first electric capacity connects respectively one end of the first resistance, an input of the emitter of the first diode, the 5th one end of resistance, the secondary coil of transformer, one end of the 3rd electric capacity;
The other end of first resistance of telling connects another input of external power supply;
The other end of described the 3rd electric capacity connects respectively the anode of the 4th diode, the anode of the 5th diode;
The negative electrode of described the 5th diode is another input of the secondary coil of connection transformer respectively, one end of the 4th electric capacity;
The other end of described the 4th electric capacity connects one end of the 6th resistance, and the other end of described the 6th resistance connects respectively the negative electrode of the 4th diode, the base stage of the second triode;
The collector electrode of described the first triode connects respectively the other end of the second resistance, the base stage of the other end of the 3rd resistance, the second triode;
The base stage of described the first triode is connected with the negative electrode of the second diode,
The anode of described the second diode connects respectively the other end of the 5th resistance, the emitter of the second triode;
The collector electrode of described the second triode connects respectively the 3rd anode of diode, another input of the secondary coil of transformer;
The negative electrode of described the 3rd diode connects respectively the other end of the 4th resistance, the other end of the second electric capacity;
An output of described transformer connects the anode of the 6th diode, and the negative electrode of described the 6th diode connects one end of the 5th electric capacity, another output of the other end connection transformer of described the 5th electric capacity.
As further preferred version of the present utility model, described transformer is high frequency switch transformer.
As further preferred version of the present utility model, the iron core of described high frequency switch transformer is high frequency ferrite core.
As further preferred version of the present utility model, the model of described the second triode is MJE13003.
As further preferred version of the present utility model, described the 6th diode is voltage stabilizing didoe.
As further preferred version of the present utility model, described the first resistance is formed in parallel by the identical a plurality of resistance of resistance.
The utility model adopts above technical scheme compared with prior art; there is following technique effect: the utility model input adds diode; once circuit breaks down; safety that can protective circuit, the first resistance of input has a plurality of resistance to be formed in parallel simultaneously, can effectively break up the electric current of circuit; reduce the phenomenon that resistance blows; Transformer Selection high frequency transformer improves the resistivity of circuit simultaneously, the eddy current that reduces to produce in circuit, the charge efficiency of raising circuit.
Accompanying drawing explanation
Fig. 1, construction module schematic diagram of the present utility model.
R1, R2, R3, R4, R5, R6, C1, C2, C3, C4, C5, D1, D2, D3, D4, D5, D6, Q1, Q2, Q3, T represent respectively, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the first diode, the second diode, the 3rd diode, the 4th diode, the 5th diode, the 6th diode, the first triode, the second triode, transformer
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail:
The utility model discloses a kind of charger for mobile phone, as shown in Figure 1, comprise the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the first diode, the second diode, the 3rd diode, the 4th diode, the 5th diode, the 6th diode, the first triode, the second triode, transformer;
Wherein, an input of the anodic bonding external power supply of the first diode, the negative electrode of described the first diode connect respectively one end of the first electric capacity, one end of one end of the second resistance, the 3rd resistance, an input of one end of the 4th resistance, one end of the second electric capacity, the primary coil of transformer;
The other end of described the first electric capacity connects respectively one end of the first resistance, an input of the emitter of the first diode, the 5th one end of resistance, the secondary coil of transformer, one end of the 3rd electric capacity;
The other end of first resistance of telling connects another input of external power supply;
The other end of described the 3rd electric capacity connects respectively the anode of the 4th diode, the anode of the 5th diode;
The negative electrode of described the 5th diode is another input of the secondary coil of connection transformer respectively, one end of the 4th electric capacity;
The other end of described the 4th electric capacity connects one end of the 6th resistance, and the other end of described the 6th resistance connects respectively the negative electrode of the 4th diode, the base stage of the second triode;
The collector electrode of described the first triode connects respectively the other end of the second resistance, the base stage of the other end of the 3rd resistance, the second triode;
The base stage of described the first triode is connected with the negative electrode of the second diode,
The anode of described the second diode connects respectively the other end of the 5th resistance, the emitter of the second triode;
The collector electrode of described the second triode connects respectively the 3rd anode of diode, another input of the secondary coil of transformer;
The negative electrode of described the 3rd diode connects respectively the other end of the 4th resistance, the other end of the second electric capacity;
An output of described transformer connects the anode of the 6th diode, and the negative electrode of described the 6th diode connects one end of the 5th electric capacity, another output of the other end connection transformer of described the 5th electric capacity.
As further preferred version of the present utility model, described transformer is high frequency switch transformer.
As further preferred version of the present utility model, the iron core of described high frequency switch transformer is high frequency ferrite core.
As further preferred version of the present utility model, the model of described the second triode is MJE13003.
As further preferred version of the present utility model, described the 6th diode is voltage stabilizing didoe.
As further preferred version of the present utility model, described the first resistance is formed in parallel by the identical a plurality of resistance of resistance.
220V exchanges input, and one end is through the first diode halfwave rectifier, and the other end is after the first resistance, by the first capacitor filtering.The first resistance is used for doing to be protected, if broken down etc., causes overcurrent below, and this resistance will be blown so, thereby avoid causing larger fault.The 3rd diode, the second electric capacity, the 4th resistance on the right, forms a high pressure absorbing circuit, when the second triode turn-offs, and the induced voltage on responsible absorbing coil, thus prevent high pressure to be added on the second triode and cause puncturing.The withstand voltage 400V of the second triode, maximum collector currnt 1.5A, maximum collector power consumption is 14W, is used for controlling the switching between former limit winding and power supply.When former limit winding is ceaselessly during break-make, will be in switch transformer the magnetic field of formation and modification, thereby in secondary winding, produce induced voltage.The second resistance of left end and the 3rd resistance are starting resistance, the base current that starts use are provided to the second triode.The 5th resistance of the second triode below is current sampling resistor, and electric current becomes voltage after sampling, and this voltage, after the second diode, adds in the base stage of the first triode.When sampling voltage is approximately greater than 1.4V, when switching tube electric current is greater than 0.14A, the first triode conducting, thus the base voltage of the second triode is dragged down, thus collector current reduces, and has so just limited the electric current of switch, prevents that electric current is excessive and burns.The 6th resistance, with the 4th electric capacity of series connection, is positive feedback branch, takes out induced voltage from secondary winding, is added in the base stage of switching tube, to maintain vibration.The output of transformer, through the 6th diode rectification, is exported the voltage of 6V after the 5th capacitor filtering.Not same because of the high reason of frequency, transformer also must use high frequency switch transformer, and iron core is generally high frequency ferrite core, has high resistivity, to reduce eddy current.
By reference to the accompanying drawings execution mode of the present utility model is explained in detail above, but the utility model is not limited to above-mentioned execution mode, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from the utility model aim, make a variety of changes.
Above embodiment only, for explanation technological thought of the present utility model, can not limit protection range of the present utility model with this.Every technological thought according to the utility model proposes, and any change of doing on technical scheme basis, within all falling into the utility model protection range.
Claims (6)
1. a charger for mobile phone, is characterized in that: comprise the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the first diode, the second diode, the 3rd diode, the 4th diode, the 5th diode, the 6th diode, the first triode, the second triode, transformer;
Wherein, an input of the anodic bonding external power supply of the first diode, the negative electrode of described the first diode connect respectively one end of the first electric capacity, one end of one end of the second resistance, the 3rd resistance, an input of one end of the 4th resistance, one end of the second electric capacity, the primary coil of transformer;
The other end of described the first electric capacity connects respectively one end of the first resistance, an input of the emitter of the first diode, the 5th one end of resistance, the secondary coil of transformer, one end of the 3rd electric capacity;
The other end of first resistance of telling connects another input of external power supply;
The other end of described the 3rd electric capacity connects respectively the anode of the 4th diode, the anode of the 5th diode;
The negative electrode of described the 5th diode is another input of the secondary coil of connection transformer respectively, one end of the 4th electric capacity;
The other end of described the 4th electric capacity connects one end of the 6th resistance, and the other end of described the 6th resistance connects respectively the negative electrode of the 4th diode, the base stage of the second triode;
The collector electrode of described the first triode connects respectively the other end of the second resistance, the base stage of the other end of the 3rd resistance, the second triode;
The base stage of described the first triode is connected with the negative electrode of the second diode,
The anode of described the second diode connects respectively the other end of the 5th resistance, the emitter of the second triode;
The collector electrode of described the second triode connects respectively the 3rd anode of diode, another input of the secondary coil of transformer;
The negative electrode of described the 3rd diode connects respectively the other end of the 4th resistance, the other end of the second electric capacity;
An output of described transformer connects the anode of the 6th diode, and the negative electrode of described the 6th diode connects one end of the 5th electric capacity, another output of the other end connection transformer of described the 5th electric capacity.
2. a kind of charger for mobile phone as claimed in claim 1, is characterized in that: described transformer is high frequency switch transformer.
3. a kind of charger for mobile phone as claimed in claim 2, is characterized in that: the iron core of described high frequency switch transformer is high frequency ferrite core.
4. a kind of charger for mobile phone as claimed in claim 1, is characterized in that: the model of described the second triode is MJE13003.
5. a kind of charger for mobile phone as claimed in claim 1, is characterized in that: described the 6th diode is voltage stabilizing didoe.
6. a kind of charger for mobile phone as claimed in claim 1, is characterized in that: described the first resistance is formed in parallel by the identical a plurality of resistance of resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339403.4U CN203933116U (en) | 2014-06-24 | 2014-06-24 | A kind of charger for mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339403.4U CN203933116U (en) | 2014-06-24 | 2014-06-24 | A kind of charger for mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203933116U true CN203933116U (en) | 2014-11-05 |
Family
ID=51828871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420339403.4U Expired - Lifetime CN203933116U (en) | 2014-06-24 | 2014-06-24 | A kind of charger for mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203933116U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449749A (en) * | 2015-11-30 | 2016-03-30 | 芜湖锐芯电子科技有限公司 | APO (Automatic Power Off) phone charger |
| CN107069861A (en) * | 2017-04-05 | 2017-08-18 | 成都市宏山科技有限公司 | Safe and reliable charger for mobile phone process circuit |
-
2014
- 2014-06-24 CN CN201420339403.4U patent/CN203933116U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449749A (en) * | 2015-11-30 | 2016-03-30 | 芜湖锐芯电子科技有限公司 | APO (Automatic Power Off) phone charger |
| CN107069861A (en) * | 2017-04-05 | 2017-08-18 | 成都市宏山科技有限公司 | Safe and reliable charger for mobile phone process circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN ANDAO ELECTRONIC CHEMICALS CO., LTD. Free format text: FORMER OWNER: DU HONGMIN Effective date: 20150305 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 315700 NINGBO, ZHEJIANG PROVINCE TO: 518000 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150305 Address after: 518000 Guangdong, China, Futian District, Shennan Road, China Nonferrous building, 605 Patentee after: SHENZHEN CITY ANDAO ELECTRONIC CHEMICAL CO., LTD. Address before: 315700 Xiangshan Binhai Economic Development Zone, Zhejiang, China, Ningbo Patentee before: Du Hongmin |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 518000 Guangdong, China, Futian District, Shennan Road, China Nonferrous building, 605 Patentee after: Shenzhen michikumo Department of Limited by Share Ltd Address before: Futian District nonferrous metals building, Shennan Avenue, Shenzhen, Guangdong 605, China Patentee before: SHENZHEN CITY ANDAO ELECTRONIC CHEMICAL CO., LTD. |