CN105449804A - Mobile terminal power circuit and device - Google Patents
Mobile terminal power circuit and device Download PDFInfo
- Publication number
- CN105449804A CN105449804A CN201610063291.8A CN201610063291A CN105449804A CN 105449804 A CN105449804 A CN 105449804A CN 201610063291 A CN201610063291 A CN 201610063291A CN 105449804 A CN105449804 A CN 105449804A
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- mobile terminal
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- interference signal
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- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 40
- 230000000087 stabilizing effect Effects 0.000 claims description 15
- 239000003990 capacitor Substances 0.000 claims description 8
- 230000008030 elimination Effects 0.000 claims description 5
- 238000003379 elimination reaction Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000007667 floating Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H02J7/027—
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- H02J7/045—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
Abstract
The invention belongs to the field of mobile terminals and provides a mobile terminal power circuit and device. According to the embodiment, the circuit comprises a transformer voltage converter T1 connected with the output end of the mains alternating current, a current switching and interference signal eliminating module connected with a secondary coil of the transformer voltage converter T1 and used for conducting current switching and interference signal eliminating on the voltage output by the transformer voltage converter T1, a detection control unit microprocessor connected with the two electrodes of the charging end of a mobile terminal and used for monitoring charging voltage in real time and controlling switching between equalized and rapid charging and floating and slow charging of the charging power circuit, and a slow charging control module and a rapid charging control module which are connected with the microprocessor. In this way, intelligent switching between rapid charging and slow charging of the mobile terminal can be achieved, overcharging is prevented, the mobile terminal can be fully charged, usage is guaranteed, and using experience is improved for users.
Description
Technical field
The invention belongs to field of mobile terminals, particularly relate to a kind of mobile terminal power circuit and device.
Background technology
The saying of mobile terminal broad sense comprises mobile phone, notebook, panel computer, POS even comprise vehicle-mounted computer.Along with network and technology are towards the development in more and more broadband direction, Mobile Communication Industry will move towards the real mobile message epoch.On the other hand, along with the develop rapidly of integrated circuit technique, the disposal ability of mobile terminal has had powerful disposal ability, and mobile terminal becomes an integrated information processing platform from simple call instrument.This also adds broader development space to mobile terminal.
At present, increasing mobile terminal sampling is filled (namely high-power) soon and is charged to mobile terminal, quick charge can be carried out to mobile terminal although fill soon, but, when the electricity of mobile terminal is about to be full of, fill easy overshoot soon if also sampled, cause the damage of mobile terminal, if do not rushed, the electricity underfill again of mobile terminal, but current filling soon is put and can't well be addressed this problem.
Summary of the invention
In view of this, first object of the present invention is to provide a kind of mobile terminal power circuit, is intended to the charged electrical Louis overshoot solving existing mobile terminal or the problem be not fully filled.
To achieve these goals, mobile terminal power circuit provided by the invention specifically comprises:
The electric pressure converter T1 be connected with the output of city's alternating current;
Connect with the secondary coil of described electric pressure converter T1, the voltage of described electric pressure converter T1 output is carried out to current conversion and the interference signal cancellation module of current conversion and interference signal elimination;
Connect the two poles of the earth of the charging end of mobile terminal, Real-Time Monitoring charging voltage, controls described power circuit and is filling the microprocessor carrying out changing between trickle charge soon;
Between the positive pole being connected to the output of described current conversion and interference signal cancellation module and the charging end of mobile terminal, according to described microprocessor-based control, the charging end of described mobile terminal is carried out to the trickle charge control module of trickle charge; And
Between the positive pole being connected to the output of described current conversion and interference signal cancellation module and the charging end of mobile terminal, that fills soon according to the charging end of described microprocessor-based control to described mobile terminal fills control module soon.
Further, described current conversion and interference signal cancellation module comprise: diode D1, diode D2 and polar capacitor C1; The anode of described diode D1, diode D2 connects two outputs of described electric pressure converter T1 secondary coil respectively, the negative electrode of described diode D1, diode D2 be connected together altogether as described current conversion and interference signal cancellation module output, connect described trickle charge control module and describedly fill control module soon, between the output that described polar capacitor C1 is connected on described current conversion and interference signal cancellation module and ground simultaneously.
Further, described trickle charge control module comprises: diode D3 and resistance R1; The anode of described diode D3 connects the output of described current conversion and interference signal cancellation module, and described resistance R1 is connected between the described negative electrode of diode D3 and the positive pole of the charging end of mobile terminal.
Further, described control module of filling soon comprises: diode D4, resistance R5 and rectifier Q1; The first end of described resistance R5, the anode of described rectifier Q1 connect the output of described current conversion and interference signal cancellation module simultaneously, second end of described resistance R5 connects the anode of described microprocessor and described diode D4 simultaneously, the negative electrode of described diode D4 connects the control pole of described rectifier Q1, and the negative electrode of described rectifier Q1 connects the positive pole of the charging end of mobile terminal.
Further, described microprocessor comprises: resistance R2, slip adjustable resistance R3, resistance R4, voltage stabilizing didoe D5, rectifier Q2 and electric capacity C2, described resistance R2 is connected between the positive pole of the charging end of mobile terminal and the first end of described slip adjustable resistance R3, the negative pole of the charging end of the second termination mobile terminal of described slip adjustable resistance R3, the negative electrode of voltage stabilizing didoe D5 described in the slip termination of described slip adjustable resistance R3, between the sliding end that described electric capacity C2 is connected on described slip adjustable resistance R3 and ground, the anode of described voltage stabilizing didoe D5 connects the control pole of described rectifier Q2, between the control pole that described resistance R4 is connected on described rectifier Q2 and ground, the minus earth of described rectifier Q2, the anode of described rectifier Q2 connects and describedly fills control module soon.
Another object of the present invention is to provide a kind of mobile terminal supply unit, in this mobile terminal supply unit, include the mobile terminal power circuit of above-mentioned arbitrary form.
In embodiments of the present invention, by the transformer voltage transducer T1 be connected with the output of city's alternating current, connect with the secondary coil of described electric pressure converter T1, the voltage of described electric pressure converter T1 output is carried out to current conversion and the interference signal cancellation module of current conversion and interference signal elimination, and the two poles of the earth of the charging end of connection mobile terminal, Real-Time Monitoring charging voltage, control described charging circuit power circuit and all fill the detection control unit microprocessor filling soon and carry out changing between floating charge trickle charge, the trickle charge control module be connected with described microprocessor in addition and fill control module soon, mobile terminal can be made to carry out intelligence switching when charging filling soon between trickle charge, namely overshoot is prevented, mobile terminal can be made again to be full of electricity, ensure the use of user, promote the experience of user.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of mobile terminal power circuit provided by the invention;
Fig. 2 is the exemplary electron components and parts figure of the mobile terminal power circuit that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 is the structured flowchart of mobile terminal power circuit provided by the invention; For convenience of explanation, illustrate only part related to the present embodiment, as shown in the figure:
The mobile terminal power circuit that the embodiment of the present invention provides, comprising: electric pressure converter T1, current conversion and interference signal cancellation module 100, trickle charge control module 200, fill control module 300 and microprocessor 400 soon;
Wherein, electric pressure converter T1 is connected with the output of city's alternating current; Current conversion and interference signal cancellation module 100 connect with the secondary coil of electric pressure converter T1, and the voltage exported electric pressure converter T1 carries out after current conversion and interference signal eliminate, and obtain charging required voltage to the charging end 500 of mobile terminal; Microprocessor 400 is connected to the two poles of the earth of the charging end 500 of mobile terminal, can Real-Time Monitoring charging voltage (i.e. the voltage at the two poles of the earth, charging end 500 of mobile terminal), controls whole power circuit filling soon to change between trickle charge; Trickle charge control module 200 and fill control module 300 soon and be connected between the positive pole of the output of current conversion and interference signal cancellation module 100 and the charging end 500 of mobile terminal, control according to microprocessor 400, charging end 500 to mobile terminal are carried out trickle charge or fill soon, and final realization is charged completely.
When specific implementation, trickle charge control module 200, fill control module 300 and microprocessor 400 can be realized by the combination of different components and parts soon.
Fig. 2 is the exemplary electron components and parts figure of the mobile terminal power circuit that one embodiment of the present invention provides, and for convenience of explanation, again illustrate only part related to the present embodiment, as shown in the figure:
As a preferred embodiment, current conversion and interference signal cancellation module 100 comprise: diode D1, diode D2 and polar capacitor C1; The anode of diode D1, diode D2 connects two outputs of electric pressure converter T1 secondary coil respectively, the negative electrode of diode D1, diode D2 be connected together altogether as current conversion and interference signal cancellation module 100 output, connect trickle charge control module 200 and fill control module 300 soon simultaneously, charge required voltage in the charging end 500 that city's alternating current obtains mobile terminal after diode D1, diode D2 rectification; Between the output that polar capacitor C1 is connected on current conversion and interference signal cancellation module 100 and ground, be mainly used in voltage stabilizing and filtering.
As a preferred embodiment, trickle charge control module 200 comprises: diode D3 and resistance R1; The anode of diode D3 connects the output of current conversion and interference signal cancellation module 100, and resistance R1 is connected between the positive pole of the negative electrode of diode D3 and the charging end 500 of mobile terminal.
As a preferred embodiment, fill control module 300 soon and comprise: diode D4, resistance R5 and rectifier Q1; The first end of resistance R5, the anode of rectifier Q1 connect the output of current conversion and interference signal cancellation module 100 simultaneously, second end of resistance R5 connects the anode of microprocessor 400 and diode D4 simultaneously, the negative electrode of diode D4 connects the control pole of rectifier Q1, and the negative electrode of rectifier Q1 connects the positive pole of the charging end 500 of mobile terminal.
As a preferred embodiment, microprocessor 400 comprises: resistance R2, slip adjustable resistance R3, resistance R4, voltage stabilizing didoe D5, rectifier Q2 and electric capacity C2;
Resistance R2 is connected between the positive pole of the charging end 500 of mobile terminal and the first end of slip adjustable resistance R3, the negative pole of the charging end 500 of the second termination mobile terminal of slip adjustable resistance R3, the negative electrode of the slip termination voltage stabilizing didoe D5 of slip adjustable resistance R3, between the sliding end that electric capacity C2 is connected on slip adjustable resistance R3 and ground, the anode of voltage stabilizing didoe D5 connects the control pole of rectifier Q2, resistance R4 is connected between the control pole of rectifier Q2 and ground, the minus earth of rectifier Q2, the anode of rectifier Q2 connects the common contact filling resistance R5 and diode D4 in control module 300 soon.
According to the mobile terminal power circuit provided embodiment illustrated in fig. 2, city's alternating current of input is by after the transformation of electric pressure converter T1, diode DI and diode D2 rectification, obtain charging required voltage to the charging end 500 of mobile terminal, electric capacity C1 is used for voltage regulation filtering.
The initial period (namely filling the stage soon) charged to the charging end 500 of mobile terminal, resistance R2 in microprocessor 400 and resistance R3 is equivalent to short circuit, therefore B point is in electronegative potential, voltage stabilizing didoe D5 does not have reverse breakdown, and therefore rectifier Q2 is also the state disconnected; Now, power circuit fills to the charging end 500 of mobile terminal soon by filling control module 300 soon, namely makes rectifier Q1 conducting by resistance R5, diode D4, for charging in the charging end 500 of mobile terminal.
Along with the rising of charging end 500 voltage of mobile terminal, slowly trickle charge state will be entered.Now, electric current is first charged to electric capacity C2 by resistance R2, resistance R3, the voltage of B point is slowly increased, until can reverse breakdown voltage stabilizing didoe D5, again due to the dividing potential drop effect of resistance R4, make rectifier Q2 conducting, and then make the voltage of A point be low-voltage, and rectifier Q1 also and then disconnects, power circuit carries out trickle charge to the charging end 500 of mobile terminal by trickle charge control module 200, namely charged to the charging end 500 of mobile terminal by diode D3 and resistance R1, until complete whole charging process.
The embodiment of the present invention also provides a kind of mobile terminal supply unit, and this mobile terminal supply unit includes the mobile terminal power circuit that above-described embodiment provides.
In embodiments of the present invention, by the transformer voltage transducer T1 be connected with the output of city's alternating current, connect with the secondary coil of described electric pressure converter T1, the voltage of described electric pressure converter T1 output is carried out to current conversion and the interference signal cancellation module of current conversion and interference signal elimination, and the two poles of the earth of the charging end 500 of connection mobile terminal, Real-Time Monitoring charging voltage, control described charging circuit power circuit and all fill the detection control unit microprocessor filling soon and carry out changing between floating charge trickle charge, the trickle charge control module be connected with described microprocessor in addition and fill control module soon, mobile terminal can be made to carry out intelligence switching when charging filling soon between trickle charge, namely overshoot is prevented, mobile terminal can be made again to be full of electricity, ensure the use of user, promote the experience of user.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, although with reference to previous embodiment to invention has been comparatively detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments or carry out equivalent replacement to wherein portion of techniques feature.All any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a mobile terminal power circuit, is characterized in that, described circuit comprises:
The electric pressure converter T1 be connected with the output of city's alternating current;
Connect with the secondary coil of described electric pressure converter T1, the voltage of described electric pressure converter T1 output is carried out to current conversion and the interference signal cancellation module of current conversion and interference signal elimination;
Connect the two poles of the earth of the charging end of mobile terminal, Real-Time Monitoring charging voltage, controls described power circuit and is filling the microprocessor carrying out changing between trickle charge soon;
Between the positive pole being connected to the output of described current conversion and interference signal cancellation module and the charging end of mobile terminal, according to described microprocessor-based control, the charging end of described mobile terminal is carried out to the trickle charge control module of trickle charge; And
Between the positive pole being connected to the output of described current conversion and interference signal cancellation module and the charging end of mobile terminal, that fills soon according to the charging end of described microprocessor-based control to described mobile terminal fills control module soon.
2. mobile terminal power circuit as claimed in claim 1, it is characterized in that, described current conversion and interference signal cancellation module comprise: diode D1, diode D2 and polar capacitor C1;
The anode of described diode D1, diode D2 connects two outputs of described electric pressure converter T1 secondary coil respectively, the negative electrode of described diode D1, diode D2 be connected together altogether as described current conversion and interference signal cancellation module output, connect described trickle charge control module and describedly fill control module soon, between the output that described polar capacitor C1 is connected on described current conversion and interference signal cancellation module and ground simultaneously.
3. mobile terminal power circuit as claimed in claim 1, it is characterized in that, described trickle charge control module comprises: diode D3 and resistance R1;
The anode of described diode D3 connects the output of described current conversion and interference signal cancellation module, and described resistance R1 is connected between the described negative electrode of diode D3 and the positive pole of the charging end of mobile terminal.
4. mobile terminal power circuit as claimed in claim 1, it is characterized in that, described control module of filling soon comprises: diode D4, resistance R5 and rectifier Q1;
The first end of described resistance R5, the anode of described rectifier Q1 connect the output of described current conversion and interference signal cancellation module simultaneously, second end of described resistance R5 connects the anode of described microprocessor and described diode D4 simultaneously, the negative electrode of described diode D4 connects the control pole of described rectifier Q1, and the negative electrode of described rectifier Q1 connects the positive pole of the charging end of mobile terminal.
5. mobile terminal power circuit as claimed in claim 1, it is characterized in that, described microprocessor comprises: resistance R2, slip adjustable resistance R3, resistance R4, voltage stabilizing didoe D5, rectifier Q2 and electric capacity C2;
Described resistance R2 is connected between the positive pole of the charging end of mobile terminal and the first end of described slip adjustable resistance R3, the negative pole of the charging end of the second termination mobile terminal of described slip adjustable resistance R3, the negative electrode of voltage stabilizing didoe D5 described in the slip termination of described slip adjustable resistance R3, between the sliding end that described electric capacity C2 is connected on described slip adjustable resistance R3 and ground, the anode of described voltage stabilizing didoe D5 connects the control pole of described rectifier Q2, between the control pole that described resistance R4 is connected on described rectifier Q2 and ground, the minus earth of described rectifier Q2, the anode of described rectifier Q2 connects and describedly fills control module soon.
6. a mobile terminal supply unit, comprises mobile terminal power circuit, it is characterized in that, described mobile terminal power circuit comprises:
The electric pressure converter T1 be connected with the output of city's alternating current;
Connect with the secondary coil of described electric pressure converter T1, the voltage of described electric pressure converter T1 output is carried out to current conversion and the interference signal cancellation module of current conversion and interference signal elimination;
Connect the two poles of the earth of the charging end of mobile terminal, Real-Time Monitoring charging voltage, controls described power circuit and is filling the microprocessor carrying out changing between trickle charge soon;
Between the positive pole being connected to the output of described current conversion and interference signal cancellation module and the charging end of mobile terminal, according to described microprocessor-based control, the charging end of described mobile terminal is carried out to the trickle charge control module of trickle charge; And
Between the positive pole being connected to the output of described current conversion and interference signal cancellation module and the charging end of mobile terminal, that fills soon according to the charging end of described microprocessor-based control to described mobile terminal fills control module soon.
7. mobile terminal supply unit as claimed in claim 6, it is characterized in that, described current conversion and interference signal cancellation module comprise: diode D1, diode D2 and polar capacitor C1;
The anode of described diode D1, diode D2 connects two outputs of described electric pressure converter T1 secondary coil respectively, the negative electrode of described diode D1, diode D2 be connected together altogether as described current conversion and interference signal cancellation module output, connect described trickle charge control module and describedly fill control module soon, between the output that described polar capacitor C1 is connected on described current conversion and interference signal cancellation module and ground simultaneously.
8. mobile terminal supply unit as claimed in claim 6, it is characterized in that, described trickle charge control module comprises: diode D3 and resistance R1;
The anode of described diode D3 connects the output of described current conversion and interference signal cancellation module, and described resistance R1 is connected between the described negative electrode of diode D3 and the positive pole of the charging end of mobile terminal.
9. mobile terminal supply unit as claimed in claim 6, it is characterized in that, described control module of filling soon comprises: diode D4, resistance R5 and rectifier Q1;
The first end of described resistance R5, the anode of described rectifier Q1 connect the output of described current conversion and interference signal cancellation module simultaneously, second end of described resistance R5 connects the anode of described microprocessor and described diode D4 simultaneously, the negative electrode of described diode D4 connects the control pole of described rectifier Q1, and the negative electrode of described rectifier Q1 connects the positive pole of the charging end of mobile terminal.
10. mobile terminal supply unit as claimed in claim 6, it is characterized in that, described microprocessor comprises: resistance R2, slip adjustable resistance R3, resistance R4, voltage stabilizing didoe D5, rectifier Q2 and electric capacity C2;
Described resistance R2 is connected between the positive pole of the charging end of mobile terminal and the first end of described slip adjustable resistance R3, the negative pole of the charging end of the second termination mobile terminal of described slip adjustable resistance R3, the negative electrode of voltage stabilizing didoe D5 described in the slip termination of described slip adjustable resistance R3, between the sliding end that described electric capacity C2 is connected on described slip adjustable resistance R3 and ground, the anode of described voltage stabilizing didoe D5 connects the control pole of described rectifier Q2, between the control pole that described resistance R4 is connected on described rectifier Q2 and ground, the minus earth of described rectifier Q2, the anode of described rectifier Q2 connects and describedly fills control module soon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610063291.8A CN105449804A (en) | 2016-01-31 | 2016-01-31 | Mobile terminal power circuit and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610063291.8A CN105449804A (en) | 2016-01-31 | 2016-01-31 | Mobile terminal power circuit and device |
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| CN105449804A true CN105449804A (en) | 2016-03-30 |
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| CN201610063291.8A Pending CN105449804A (en) | 2016-01-31 | 2016-01-31 | Mobile terminal power circuit and device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107878246A (en) * | 2017-11-28 | 2018-04-06 | 北京汽车股份有限公司 | Charging system for electric automobile and electric automobile |
| CN109660004A (en) * | 2019-01-15 | 2019-04-19 | 广州亚美信息科技有限公司 | OBD charging voltage method of adjustment, apparatus and system |
| CN110957773A (en) * | 2019-10-29 | 2020-04-03 | 大族激光科技产业集团股份有限公司 | High-voltage direct-current charging system |
| CN113370818A (en) * | 2021-06-18 | 2021-09-10 | 国网山东省电力公司费县供电公司 | Fill electric pile and system based on power regulation and control |
| CN117277525A (en) * | 2023-09-26 | 2023-12-22 | 吉林省艾特网络传媒有限公司 | Intelligent power control system for charging pile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107878246A (en) * | 2017-11-28 | 2018-04-06 | 北京汽车股份有限公司 | Charging system for electric automobile and electric automobile |
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| CN110957773A (en) * | 2019-10-29 | 2020-04-03 | 大族激光科技产业集团股份有限公司 | High-voltage direct-current charging system |
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| CN113370818A (en) * | 2021-06-18 | 2021-09-10 | 国网山东省电力公司费县供电公司 | Fill electric pile and system based on power regulation and control |
| CN117277525A (en) * | 2023-09-26 | 2023-12-22 | 吉林省艾特网络传媒有限公司 | Intelligent power control system for charging pile |
| CN117277525B (en) * | 2023-09-26 | 2024-01-16 | 吉林省艾特网络传媒有限公司 | Intelligent power control system for charging pile |
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