CN202772653U - Dual battery mobile phone - Google Patents
Dual battery mobile phone Download PDFInfo
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- CN202772653U CN202772653U CN 201220217648 CN201220217648U CN202772653U CN 202772653 U CN202772653 U CN 202772653U CN 201220217648 CN201220217648 CN 201220217648 CN 201220217648 U CN201220217648 U CN 201220217648U CN 202772653 U CN202772653 U CN 202772653U
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- mobile phone
- batteries
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- control chip
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Abstract
The utility model relates to the technical field of mobile phone, and provides a dual battery mobile phone. The dual battery mobile phone is provided with a first battery E1, a second battery E2 and a control circuit. The control circuit is connected with the first battery E1 and the second battery E2, the two batteries are controlled to supply the power to the mobile phone, a control chip U1 is connected with the batteries and used for controlling the operation of the batteries, a sample circuit is connected with the batteries and used for detecting the voltage signal of the batteries at the real time, and a base band process chip U2 is respectively connected with the sample circuit and the control chip U1 and used for judging the state of the batteries according to the voltage signal detected by the sample circuit, furthermore the control signal for controlling the operation of the batteries is provided to the control chip U1 by the base band process chip U2, therefore the control circuit quickly responses and precisely controls the two batteries to supply the power to the system of the mobile phone, the power-on of the mobile phone is ensured, thereby better satisfying the usage of the user.
Description
Technical field
The utility model relates to field of mobile phones, relates in particular to use two battery powered mobile phones.
Background technology
Along with the development of society, the progress of technology, the function of mobile phone is developed to many-side by single communication, intelligent machine especially, the function such as integrate especially online, navigate, play, listen to the music, see a film.Mobile phone is realizing that multi-functional what bring simultaneously is more electric quantity consumption, especially now the large-screen of intelligent machine standard configuration, especially " large user " of mobile phone electric weight.
In order to increase the stand-by time of mobile phone, the general method that adopts is the capacity that increases battery, but the capacity of increase battery causes the coefficient of safety step-down of mobile phone easily, and battery is blasted in charging easily.
For above situation, having at present the employing double cell is the technical scheme of mobile phone power supply, and this scheme has increased the electric weight of battery of mobile phone on the whole, has therefore increased the stand-by time of mobile phone; Excessively do not increase simultaneously the electric weight of monolithic mobile phone, therefore guaranteed the use safety of battery.Adopt the discrete devices such as metal-oxide-semiconductor to form the double cell control circuit and this scheme is general, conducting resistance is large during its work, pressure drop is large, system's easy power down when large current work; The reaction time length of double cell discrete device when switching also causes system power failure easily, has shortened the useful life of mobile phone, has affected simultaneously user's use.
The problem that present mobile phone also can occur crashing is unavoidably generally reinstalled and is solved by pulling down battery.
The utility model content
The purpose of this utility model is to provide a kind of Double-battery mobile phone, is intended to solve existing Double-battery mobile phone when large current work or double cell easy power down when switching, thereby shortens the useful life of mobile phone and affect the problem of user's use.
The technical scheme that the utility model adopts is: a kind of Double-battery mobile phone, be provided with the first battery E1 and two batteries of the second battery E2, also be provided with the first battery E1 be connected two batteries of battery E2 and be connected and control the described control circuit of control circuit that described two batteries are mobile phone power supply, described control circuit is provided with:
Be connected with described two batteries, control described two battery operated and out-put supplies to the control chip U1 of cell phone system;
Be connected with described two batteries, detect in real time the sample circuit of the voltage signal of described two batteries;
Be connected with described sample circuit, control chip U1 respectively, the voltage signal that detects according to described sample circuit is judged the state of described two batteries and then the baseband processing chip U2 of the described two battery operated control signals of control is provided for control chip U1.
The first cell input terminal, first that the positive pole of described the first battery E1 meets described control chip U1 detects the first detection input of exporting the described control chip U1 of termination, the second cell input terminal, second that the positive pole of described the second battery E2 meets described control chip U1 detects the second detection input of exporting the described control chip U1 of termination, the equal ground connection of the negative pole of described two batteries.
Described sample circuit comprises resistance R 1, resistance R 2, resistance R 3, resistance R 4;
The positive pole of the described first battery E1 of the first termination of described resistance R 1, the first end of the described resistance R 2 of the second termination, the second end ground connection of described resistance R 2,
The positive pole of the described second battery E2 of the first termination of described resistance R 3, the first end of the described resistance R 4 of the second termination, the second end ground connection of described resistance R 4,
The first sampling input of the described baseband processing chip U2 of the second termination of described resistance R 1, the second sampling input of the described baseband processing chip U2 of the second termination of described resistance R 3.
The mobile phone state judgment model output of described baseband processing chip U2, supplying cell are selected output, battery to fill mutually control output end, the first battery interrupt output end, the second battery interrupt output end to select input, battery to fill mutually control input end, the first battery interrupting input end, the second battery interrupting input end with mobile phone state judgment model input, the supplying cell of described control chip U1 respectively to be connected.
Described control circuit also is provided with the power supply input/output terminal of control chip U1 and is connected, the power management module of the start of control mobile phone, shutdown and mobile phone power supply.
Described control circuit also is provided with control chip U1 the RESET input and is connected the reset circuit of the mobile phone that resets.
Described control circuit also is provided with anti-surge circuit and the voltage stabilizing circuit that is connected with the power supply input/output terminal of control chip U1 respectively;
Described anti-surge circuit is a Zener diode D1, and the negative pole of described Zener diode D1 connects power supply input/output terminal, the plus earth of described control chip U1;
Described voltage stabilizing circuit is the large capacitor C 1 of a polarity, and described capacitor C 1 positive pole connects power supply input/output terminal, the minus earth of described control chip U1.
Described control circuit also is provided with the power supply input/output terminal of control chip U1 and is connected, and is the charging module of described two batteries charging by control chip U1.
Described control circuit also is provided with and is connected with the battery information output of described baseband processing chip U2, shows the display module of the information such as battery electric quantity, charging icon.
A kind of Double-battery mobile phone that the utility model provides is provided with the first battery E1 and two batteries of the second battery E2, and control circuit also is set.Described control circuit and the first battery E1 are the mobile phone power supply with being connected that two batteries of battery E2 are connected and control described two batteries, be connected with described two batteries and control described two battery operated control chip U1 by arranging, the sample circuit that is connected and detects in real time the voltage signal of described two batteries with described two batteries, respectively with described sample circuit, control chip U1 connects and judges the state of described two batteries and then the baseband processing chip U2 of the described two battery operated control signals of control is provided for control chip U1 according to the voltage signal that described sample circuit detects, thereby this control circuit can respond fast and accurately control described two batteries is system power supply, can guarantee not power down of mobile phone, thereby better meet user's use.
Description of drawings
The Double-battery mobile phone theory diagram that Fig. 1 provides for the utility model embodiment;
The Double-battery mobile phone physical circuit schematic diagram that Fig. 2 provides for the utility model embodiment.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the drawings and the specific embodiments the utility model is described in further detail.Should be appreciated that specific embodiment described herein only is used for explaining the utility model, be not limited to the utility model.
A kind of Double-battery mobile phone that the utility model provides is provided with the first battery E1 and two batteries of the second battery E2, and control circuit also is set.Described control circuit and the first battery E1 are the mobile phone power supply with being connected that two batteries of battery E2 are connected and control described two batteries, be connected with described two batteries and control described two battery operated control chip U1 by arranging, the sample circuit that is connected and detects in real time the voltage signal of described two batteries with described two batteries, respectively with described sample circuit, control chip U1 connects and judges the state of described two batteries and then the baseband processing chip U2 of the described two battery operated control signals of control is provided for control chip U1 according to the voltage signal that described sample circuit detects, thereby this control circuit can respond fast and accurately control described two batteries is system power supply, can guarantee not power down of mobile phone, thereby better meet user's use.
With reference to Fig. 1, the Double-battery mobile phone theory diagram that the utility model embodiment provides.A kind of Double-battery mobile phone, be provided with the first battery E1 and two batteries 100 of the second battery E2, also be provided with the first battery E1 be connected two batteries 100 of battery E2 and be connected and control the described control circuit 200 of control circuit that described two batteries 100 are the mobile phone power supply, described control circuit 200 is provided with: be connected with described two batteries 100, control described two batteries, 100 work and out-put supply to the control chip U1 of cell phone system 300; Be connected with described two batteries 100, detect in real time the sample circuit 201 of the voltage signal of described two batteries 100; Be connected with described sample circuit 201, control chip U1 respectively, the voltage signal that detects according to described sample circuit 201 is judged the state of described two batteries 100 and then the baseband processing chip U2 of the control signal of described two batteries, 100 work of control is provided for control chip U1.
The Double-battery mobile phone that present embodiment provides, can fast, accurately detect the state of two batteries 100 by sample circuit 201, can accurately control described two batteries by baseband processing chip U2 and control chip U1 is system power supply, therefore, the Double-battery mobile phone that the utility model provides can respond fast and accurately control two batteries is the mobile phone power supply, and the not power down of assurance system, thereby better meet user's use.
With reference to Fig. 2, the Double-battery mobile phone physical circuit schematic diagram that the utility model embodiment provides.A kind of Double-battery mobile phone, be provided with the first battery E1 and two batteries 100 of the second battery E2, also be provided with the first battery E1 be connected two batteries 100 of battery E2 and be connected and control the described control circuit 200 of control circuit that described two batteries 100 are the mobile phone power supply, described control circuit 200 is provided with: be connected with described two batteries 100, control described two batteries, 100 work and out-put supply to the control chip U1 of cell phone system 300; Be connected with described two batteries 100, detect in real time the sample circuit 201 of the voltage signal of described two batteries 100; Be connected with described sample circuit 201, control chip U1 respectively, the voltage signal that detects according to described sample circuit 201 is judged the state of described two batteries 100 and then the baseband processing chip U2 of the control signal of described two batteries, 100 work of control is provided for control chip U1.
The first cell input terminal IE1, first that the positive pole of the first battery E1 meets control chip U1 detects the first detection input IID1 that output ID1 meets control chip U1, the second cell input terminal IE2, second that the positive pole of the second battery E2 meets control chip U1 detects the second detection input IID2 that output ID2 meets control chip U1, the equal ground connection of the negative pole of two batteries 100.
This sample circuit 201 comprises resistance R 1, resistance R 2, resistance R 3, resistance R 4; The positive pole of the first termination first battery E1 of resistance R 1, the first end of the second terminating resistor R2, the second end ground connection of resistance R 2, the positive pole of the first termination second battery E2 of resistance R 3, the first end of the second terminating resistor R4, the second end ground connection of resistance R 4, the first sampling input ADC1 of the second termination baseband processing chip U2 of resistance R 1, the second sampling input ADC2 of the second termination baseband processing chip U2 of resistance R 3.
The mobile phone state judgment model output GPIO1 of this baseband processing chip U2, supplying cell select output GPIO2, battery to fill mutually control output end GPIO3, the first battery interrupt output end INT1, the second battery interrupt output end INT2 and select with mobile phone state judgment model input EN, the supplying cell of control chip U1 respectively that input SEL_BAT, battery fill control input end EN_CHR, the first battery interrupting input end EINT1 mutually, the second battery interrupting input end EINT2 is connected.
Double-battery mobile phone control circuit 200 also is provided with the power supply input/output terminal VOUT of control chip U1 and is connected, the power management module 204 of the start of control mobile phone, shutdown and mobile phone power supply.
The Double-battery mobile phone that the utility model provides, when starting shooting, when two battery places in circuit are arranged, thereby control chip U1 detects input IID1 and second by first and detects input IDD2 and detect respectively the existence that level state that first of the first battery IE1 detects the second battery detecting output of output and the second battery IE2 is judged battery, and select the larger battery of voltage to start shooting this moment; When only having a battery place in circuit, control chip U1 selects this cell channel to start shooting automatically.
Behind this Double-battery mobile phone normal boot-strap, the current potential that the mobile phone state judgment model input EN of control chip U1 and battery fill control input end EN_CHR mutually is set to low, 201 couples of the first battery E1 of sample circuit and the second battery E2 sample simultaneously, and exporting the signal that samples to baseband processing chip U2, baseband processing chip U2 carries out battery powered selection according to this signal that samples.
If the voltage of the second battery E2 is during greater than 3.65V, it is low level that baseband processing chip U2 arranges supplying cell selection output GPIO2, simultaneously mobile phone state judgment model output GPIO1 is set is high level, the at this moment supplying cell of control chip U1 selection input SEL_BAT receives low level, mobile phone state judgment model input EN receives high level, control chip U1 opens the passage of the second battery E2, is powered to cell phone system 300 by the second battery E2.
If the voltage E2 of the second battery is greater than 3.4V and less than 3.65V, the voltage of the first battery E1 is during greater than 3.65V, it is high level that baseband processing chip U2 arranges supplying cell selection output GPIO2, and control chip U1 opens being powered to cell phone system 300 by the first battery E1 for electric channel of the first battery E1;
If the voltage of the second battery E2 is greater than 3.4V and less than 3.65V, the voltage of the first battery E1 is during less than 3.65V, it is the low level low level that baseband processing chip U2 arranges supplying cell selection output GPIO2, and control chip U1 opens being powered to cell phone system 300 by the second battery E2 for electric channel of the second battery E1;
If baseband processing chip U2 detects the voltage of the second battery E2 when being lower than 3.4V, be judged to be the second battery E2 and do not exist and need switch to the first battery E1 power supply until two cell voltages all are lower than the threshold voltage automatic shutdown of start, charging can be used again.
Behind mobile phone power-on, only have battery to exist, this moment control chip U1 can open corresponding for electric channel to cell phone system 300 power supplies until cell voltage is lower than start thresholding electricity automatic shutdown, can use after need heavily changing battery or charging.
The Double-battery mobile phone that present embodiment provides, set sample circuit 201 can fast, accurately detect the state of two batteries 100, can accurately control described two batteries by baseband processing chip U2 and control chip U1 is system power supply, therefore, the Double-battery mobile phone that the utility model provides can respond fast and accurately control two batteries is the mobile phone power supply, and the not power down of assurance system, thereby better meet user's use.
In addition, the charging of this mobile phone and the same path of power supply namely can be the battery charging by charging module 205.
Double-battery mobile phone control circuit 200 also is provided with the reset circuit that is connected with control chip U1 the RESET input RSTN, when crashing appears in mobile phone, the user need not to dismantle battery, can press the button that is connected with this reset circuit interrupteur SW 1 can drag down the level of the RESET input of control chip U1, unclamp and to allow behind the button level of the RESET input of control chip U1 draw high, thereby realize restarting of mobile phone.
Double-battery mobile phone control circuit 200 also is provided with anti-surge circuit 202 and the voltage stabilizing circuit 203 that is connected with the power supply input/output terminal VOUT of control chip U1 respectively; Anti-surge circuit 202 is a Zener diode D1, and the negative pole of Zener diode D1 connects power supply input/output terminal VOUT, the plus earth of described control chip U1; Voltage stabilizing circuit 203 is the large capacitor C 1 of a polarity, and capacitor C 1 positive pole connects power supply input/output terminal VOUT, the minus earth of control chip U1.But these anti-surge circuit 202 protective circuits are avoided the infringement of transient high-current, and this voltage stabilizing circuit 203 can prevent the instant power-down of the situations such as battery of mobile phone switching.
Double-battery mobile phone control circuit 200 also is provided with charging module 205, and this charging module 205 is connected with the power supply input/output terminal VOUT of control chip U1, can be 100 chargings of two batteries by this control chip U1.
Double-battery mobile phone control circuit 200 also is provided with the display module 206 that is connected with the battery information output of the baseband processing chip U2 of institute, can show the information such as battery electric quantity, charging icon by this display module 206.
The above only is the utility model preferred embodiment, not in order to limiting the utility model, all any modifications of doing within principle of the present utility model, is equal to and replaces and improvement etc., all should be included within the scope of the utility model protection.
Claims (9)
1. Double-battery mobile phone, be provided with the first battery E1 and two batteries of the second battery E2 (100), it is characterized in that, also be provided with the first battery E1 be connected two batteries of battery E2 (100) and be connected and control the described control circuit of control circuit (200) that described two batteries (100) are the mobile phone power supply, described control circuit (200) is provided with:
Be connected with described two batteries (100), control described two batteries (100) work and out-put supply to the control chip U1 of cell phone system (300);
Be connected with described two batteries (100), detect in real time the sample circuit (201) of the voltage signal of described two batteries (100);
Be connected with described sample circuit (201), control chip U1 respectively, the voltage signal that detects according to described sample circuit (201) is judged the state of described two batteries (100) and then the baseband processing chip U2 of the control signal of described two batteries of control (100) work is provided for control chip U1.
2. Double-battery mobile phone as claimed in claim 1, it is characterized in that, the first cell input terminal (IE1), first that the positive pole of described the first battery E1 meets described control chip U1 detects the first detection input (IID1) that output (ID1) meets described control chip U1, the second cell input terminal (IE2), second that the positive pole of described the second battery E2 meets described control chip U1 detects the second detection input (IID2) that output (ID2) meets described control chip U1, the equal ground connection of negative pole of described two batteries (100).
3. Double-battery mobile phone as claimed in claim 1 is characterized in that, described sample circuit (201) comprises resistance R 1, resistance R 2, resistance R 3, resistance R 4;
The positive pole of the described first battery E1 of the first termination of described resistance R 1, the first end of the described resistance R 2 of the second termination, the second end ground connection of described resistance R 2;
The positive pole of the described second battery E2 of the first termination of described resistance R 3, the first end of the described resistance R 4 of the second termination, the second end ground connection of described resistance R 4;
The first sampling input (ADC1) of the described baseband processing chip U2 of the second termination of described resistance R 1, the second sampling input (ADC2) of the described baseband processing chip U2 of the second termination of described resistance R 3.
4. Double-battery mobile phone as claimed in claim 1 is characterized in that, described baseband processing chip U2's
Mobile phone state judgment model output (GPIO1), supplying cell is selected output (GPIO2), battery fills control output end (GPIO3) mutually, the first battery interrupt output end (INT1), the second battery interrupt output end (INT2) respectively with the mobile phone state judgment model input (EN) of described control chip U1, supplying cell is selected input (SEL BAT), battery fills control input end (EN CHR) mutually, the first battery interrupting input end (EINT1), the second battery interrupting input end (EINT2) connects.
5. Double-battery mobile phone as claimed in claim 1, it is characterized in that, described control circuit (200) also is provided with the power supply input/output terminal (VOUT) of control chip U1 and is connected, the power management module (204) of the start of control mobile phone, shutdown and mobile phone power supply.
6. Double-battery mobile phone as claimed in claim 1 is characterized in that, described control circuit (200) also is provided with control chip U1 the RESET input (RSTN) and is connected the reset circuit of the mobile phone that resets (207).
7. Double-battery mobile phone as claimed in claim 1 is characterized in that, described control circuit (200) also is provided with anti-surge circuit (202) and the voltage stabilizing circuit (203) that is connected with the power supply input/output terminal (VOUT) of control chip U1 respectively;
Described anti-surge circuit (202) is a Zener diode D1, and the negative pole of described Zener diode D1 connects power supply input/output terminal (VOUT), the plus earth of described control chip U1;
Described voltage stabilizing circuit (203) is the large capacitor C 1 of a polarity, and described capacitor C 1 positive pole connects power supply input/output terminal (VOUT), the minus earth of described control chip U1.
8. Double-battery mobile phone as claimed in claim 1, it is characterized in that, described control circuit (200) also is provided with the power supply input/output terminal (VOUT) of control chip U1 and is connected, and is the charging module (205) of described two batteries (100) charging by control chip U1.
9. Double-battery mobile phone as claimed in claim 1 is characterized in that, described control circuit (200) also is provided with and is connected with the battery information output of described baseband processing chip U2, shows the display module (206) of the information such as battery electric quantity, charging icon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220217648 CN202772653U (en) | 2012-05-15 | 2012-05-15 | Dual battery mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220217648 CN202772653U (en) | 2012-05-15 | 2012-05-15 | Dual battery mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202772653U true CN202772653U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220217648 Expired - Fee Related CN202772653U (en) | 2012-05-15 | 2012-05-15 | Dual battery mobile phone |
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| CN (1) | CN202772653U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333051A (en) * | 2013-07-22 | 2015-02-04 | 上海斐讯数据通信技术有限公司 | Mobile terminal and power supply method thereof |
| WO2020024800A1 (en) * | 2018-08-01 | 2020-02-06 | 西安中兴新软件有限责任公司 | Method and device for displaying electric quantities of dual batteries |
| CN112448437A (en) * | 2019-09-04 | 2021-03-05 | 北京小米移动软件有限公司 | Terminal and battery charging and discharging control method |
-
2012
- 2012-05-15 CN CN 201220217648 patent/CN202772653U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333051A (en) * | 2013-07-22 | 2015-02-04 | 上海斐讯数据通信技术有限公司 | Mobile terminal and power supply method thereof |
| CN104333051B (en) * | 2013-07-22 | 2018-06-19 | 上海斐讯数据通信技术有限公司 | Mobile terminal and method of supplying power to |
| WO2020024800A1 (en) * | 2018-08-01 | 2020-02-06 | 西安中兴新软件有限责任公司 | Method and device for displaying electric quantities of dual batteries |
| CN112448437A (en) * | 2019-09-04 | 2021-03-05 | 北京小米移动软件有限公司 | Terminal and battery charging and discharging control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20170515 |