CN202663456U - Mobile terminal - Google Patents
Mobile terminal Download PDFInfo
- Publication number
- CN202663456U CN202663456U CN 201220304143 CN201220304143U CN202663456U CN 202663456 U CN202663456 U CN 202663456U CN 201220304143 CN201220304143 CN 201220304143 CN 201220304143 U CN201220304143 U CN 201220304143U CN 202663456 U CN202663456 U CN 202663456U
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- China
- Prior art keywords
- battery
- portable terminal
- electric capacity
- mobile system
- capacitor
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Telephone Function (AREA)
Abstract
The utility model discloses a mobile terminal which comprises a machine-mounted system and a battery. The mobile terminal further comprises a capacitor and a capacitor group formed by connecting a plurality of capacitors parallelly. The battery charges the capacitor or the capacitor group. When the battery stops supplying power to the machine-mounted system, the capacitor or the capacitor group supplies power to the machine-mounted system. The mobile terminal uses energy storage characteristics of the capacitor so that when the battery is replaced, power of the system of the mobile terminal can not be cut off, and shutdown caused by system outage is avoided. Users do not need to wait for a long starting time again, and use experience of the users is improved.
Description
Technical field
The utility model relates to a kind of portable terminal, particularly relates to a kind of mobile phone.
Background technology
Along with the progress of electronic technology, portable terminal, especially mobile phone more and more are deep among the popular life, and hundreds of millions of users that adds your mobile phone is arranged every year, and these users and the mobile phone producer, operator etc. have promoted the continuous expansion of mobile phone market together.And mobile phone self also constantly developing, and from initial screen low-end mobile phone, marches toward the smart mobile phone of multinuclear competition up till now.Earth-shaking variation has occured in the whole market.
Yet in the variation that mobile phone is making rapid progress, cell-phone function is in continuous intellectuality, and the operating system of mobile phone is constantly complicated, and this has just caused the available machine time of mobile phone constantly to prolong.Take the Iphone4 mobile phone of Apple as example, from begin to start shooting (referring to that the user can begin operating handset) fully during this period of time to mobile phone, about 40 seconds consuming time approximately by key.Certainly, this is the required time of expending of intelligent machine with complex operations system.But, even the functional mobile phone of a present low side roughly also will spend tens seconds available machine time.
So long available machine time meeting can allow user's subjective feeling variation so that the user can feel to change when waits for too long, the especially user of start have emergency operation at this moment again behind the battery.
Therefore in order to address this is that, generally be to utilize two batteries in the prior art, and by switching over, thereby carry out electrical source exchange under the open state.So avoid changing the again problem of start that battery causes.
But for the intelligence system in the mobile phone, two power supply inputs there is this moment, is respectively main battery and auxiliary battery.For reaching two batteries, rationally setting is independent of each other, and finally only has a battery to the intelligence system power supply of mobile phone, need to increase a series of switching device and logical device at hardware, and the software control by complexity is switched, double cell commutation circuit as shown in Figure 1, wherein double cell commutation circuit cardinal principle is: when main battery (Main bat) when voltage is higher than 3.5V, this moment, the pin1 of IC1 exported high level, and the baseband chip of mobile phone control BB OUT CTRL also exports high level, thus IC2(and door) the output high level.Because the existence IC3(not gate) causes the conducting state of Q6/Q8 and Q7/Q9 just in time opposite, as can be seen from Figure 1, when IC2 output high level, Q7 opens, and Q6 closes, thereby the power supply B+ of the system of mobile phone is provided by Q7 by main battery.When main battery voltage was lower than 3.5V, IC1 made its pin1 output low level, because IC2 is one and gate logic device, its output will be low level also this moment, thereby cause Q7 to close, and Q6 opens, and system power supply B+ is powered by auxiliary battery (Aux Bat).Also need to update aspect the software control in the time of with the described hardware of increase, so these have all increased hardware cost and software complexity greatly.
Owing to increased a battery newly, need newly-increased a part of charging control circuit on the hardware in addition, software also will be changed corresponding charging control software.Double-battery charge electric control circuit as shown in Figure 2, wherein the cardinal principle of double-battery charge electric control circuit hardware and software is: Charge in then is the charging input power, when baseband chip detects Charge in legal input power is arranged, baseband chip is controlled the opening and closing of Q2 and two groups of metal-oxide-semiconductors of Q3 battery is charged by the height of control Bat select signal.When Bat select level when being high, Q3 opens, and Q2 closes, and external power source Charge in gives auxiliary battery (Aux bat) charging by Q3; When Bat select level when being low, Q2 opens, and Q3 closes, and external power source Charge in charges to main battery (Main bat) by Q2.Charge SW is control charging MOS open/closed signal, and I sense links an ADC input of baseband chip, is used for detecting the charging current signal, and Bat sense links another ADC input of master chip, is used for detecting battery voltage signal.When Q2 or Q3 open separately, can detect the voltage of Main Bat and Aux Bat by Bat sense, the voltage that detects by I sense again, and and the voltage that detects of Bat sense compare.So increased equally greatly complexity and the software complexity of hardware cost and hardware configuration.
The utility model content
The technical problems to be solved in the utility model is to cause when the start available machine time long in order to overcome in the prior art for avoiding changing battery, and add a large amount of hardware and software is improved in a large number the defective of the system complex that causes portable terminal, a kind of portable terminal is provided, utilize the energy storage characteristic of electric capacity, give the user time of enough replacing batteries, thereby simplified the structure of the hardware and software of portable terminal.
The utility model solves above-mentioned technical problem by following technical proposals:
The utility model provides a kind of portable terminal, comprises a mobile system and a battery, is characterized in that described portable terminal also comprises an electric capacity or a capacitance group that is made of a plurality of Capacitance parallel connections, and wherein said battery is described electric capacity or capacitance group charging; When described battery stopped as described mobile system power supply, described electric capacity or capacitance group were described mobile system power supply.
Wherein mobile system is the synthesis that consists of portable terminal in the prior art and realize the software and hardware of each function of portable terminal, can comprise in the described mobile system that namely power management module, radio-frequency module, music playing module, FM module (radio-frequency module), video playback module, wireless connections module etc. hardware configuration and all run on the application program on each hardware.Because above-mentioned each hardware configuration and software application all are conventional techniques in the portable terminal of prior art, so just no longer at length give unnecessary details herein.
And battery described in the portable terminal of prior art is all as described mobile system energy source, thereby keeps the operating state of portable terminal.
Described battery stops for the power supply of described portable terminal can be that user's operation such as removing battery from portable terminal causes described battery no longer to provide electric energy for described portable terminal, so the work that needs this moment described electric capacity or capacitance group to keep portable terminal moves.
Preferably, an end of described electric capacity or described capacitance group is electrically connected with described mobile system and described battery, the other end ground connection of described electric capacity or described capacitance group.
In the utility model between the mobile system of described portable terminal and battery access electric capacity in parallel, and in the battery electric quantity abundance, described battery is described capacitor charging, thereby when battery breaks away from portable terminal, described electric capacity can replace battery provides certain electric weight for described mobile system, thereby can keep mobile system and can not enter off-mode because of outage.
Preferably, the electric capacity in described electric capacity or the described capacitance group is electrochemical capacitor or farad capacitor.
Because portable terminal consumed energy W
1=U * I * t=(U
1+ U
2)/2 * (I * 10
-3) * t
The energy W that all electric capacity provide
2=1/2 * C * (U
1 2-U
2 2)
Wherein said U
1Be the voltage on the electric capacity, described U
2Be the final shutdown voltage of portable terminal, I is for changing the average consumption stream of portable terminal in the cell process, and C is the total capacity of all electric capacity, and described t is the time that portable terminal enters shutdown.
Can to keep time of portable terminal work longer so capacitance is larger, and because the capacitance of common ceramic disc capacitor or mica capacitor etc. is less, although can improve the capacity of total electric capacity by the mode of shunt capacitance, but correspondingly need a large amount of ceramic disc capacitors or mica capacitor, so be unfavorable for the structural design of portable terminal.
So use large electrochemical capacitor or the farad capacitor of capacitance in the utility model, and under identical capacitance, the volume of electrochemical capacitor or farad capacitor is less, for example, be that the electric capacity of 4700 μ F is when selecting electrochemical capacitor for capacitance, its general size, can be accomplished in the mobile phone that a thickness is 15mm with regard to this size fully at Φ D * L=12.5mm * 20mm.If adopt super capacitor such as farad capacitor, its capacitance can reach a farad rank, and small-sized.Such as the farad capacitor (its capacity is more than 70 times of 4700uF) of 0.35F capacity, its size Φ D * L only has 5mm * 11.5mm, and the complete machine size can drop in the 10mm fully.Adopt farad capacitor, apparent, the time that not only is used in the replacing battery can lengthen greatly, and also smaller and more exquisite on the physical dimension, is easy to design.
Preferably, the power management module of described mobile system can also detect the voltage of described battery, and when the voltage of described battery during less than or equal to the normal working voltage of described mobile system, described mobile system sends information warning.
Utilize power management module in the prior art management of battery electric quantity to be obtained the state of the electric weight deficiency of battery in the utility model, thereby when prompting user electric weight deficiency needs to change battery, closing radio-frequency module, music playing module, FM module, video playback module, wireless connections module and all application programs by the power management module of described mobile system comes so that described portable terminal enters low power consumpting state, thereby prolong the operating time of mobile system, thereby increase the time that the user can change battery, the user is provided better experience.
Preferably, the normal working voltage of described mobile system is 3.5V.
Prompting mobile telephone set replacing cell voltage generally all is the shutdown voltage that is higher than chip for cell phone self in the prior art.Take MTK platform baseband chip as example.Operated by rotary motion cell-phone user interface low capacity prompt voltage is about 3.5V.So normal working voltage described in the utility model just refers to that prompting mobile telephone set is changed cell voltage in the prior art.The shutdown voltage that is higher than chip for cell phone self of normal working voltage described in the utility model can be crossed as the user the longer battery altering time is provided.
Preferably, the total capacity of the capacity of described electric capacity or described capacitance group is 4000 μ F-7000 μ F.
The formula of the energy that provides by the catabiotic formula of above-mentioned portable terminal and all electric capacity, and work as U
1=3.5V, U
2=2.7V, I=1mA can release: t=0.8 * 10
-3* C
By the capacitance of different capabilities, can obtain the t of different time
Suppose C=1000uF, then t=0.8s
Suppose C=2200uF, then t=1.76s
Suppose C=3300uF, then t=2.64s
Suppose C=4700uF, then t=3.76s
Suppose C=6800uF, then t=5.44s
The total capacity of all electric capacity is larger, and described t is then longer.From practical operation, under prepared state, enough battery of replacing just in general 3 seconds, therefore, when the total capacity of all electric capacity was 4000 μ F-7000 μ F, obtaining time that portable terminal enters shutdown was time than better suited replacing battery for the user in the practical application.Certainly, more large bulk capacitance can be better in result of use.
Preferably, described mobile system comprises MTK company (Lian Fake company) MT6252 chip.
The battery changing method of portable terminal of the present utility model may further comprise the steps:
S
11, described mobile system power management module close radio-frequency module, music playing module, FM module, video playback module, wireless connections module and all application programs;
S
12, from described portable terminal, take out battery, described electric capacity or described capacitance group are the power supply of described mobile system;
S
13, in described portable terminal, add battery, described battery is the power supply of described mobile system and is described electric capacity or the charging of described capacitance group.
The standby wakeup time of all portable terminals is all short a lot of more than power down again available machine time in the prior art.This is verified and realizes on a lot of mobile phones.Take Iphone4 as example, the above-mentioned available machine time needs 40 seconds, and the standby wakeup time only needed to finish in 1 second.
But the electric weight of capacitance stores is limited, enters off-mode in order to prolong as much as possible portable terminal from standby, so need the consumption stream of reduce portable terminal when standby.The Nokia E71 mobile phone of common Nokia is as example before on the market, and its battery is 1500mAh, and it declares that stand-by time can reach 408 hours, and calculating is got off, and standby current is about about 3mA.And this or the SIM card of mobile phone (client identification module) be in the situation of net, if allow mobile phone be at this moment offline mode (namely allowing radio-frequency module be in closed condition), power consumption will be still less, ideally, and will be less than or equal to 1mA.This can realize on the baseband chip platform that a lot of MTK companies produce.
The battery changing method of the portable terminal in the utility model can also may further comprise the steps:
S
21, described mobile system power management module detect described battery voltage whether less than or equal to the normal working voltage of described mobile system, if enter step S
22, otherwise repeating step S
21
S
22, described mobile system sends information warning, and the power management module of described mobile system module is closed radio-frequency module, music playing module, FM module (frequency modulation module), video playback module, wireless connections module and all application programs;
S
23, from described portable terminal, take out battery, described electric capacity or described capacitance group are the power supply of described mobile system;
S
24, in described portable terminal, add battery, described battery is the power supply of described mobile system and is described electric capacity or the charging of described capacitance group.
It generally all is the shutdown voltage that is higher than chip for cell phone self that the utility model utilizes in the prior art prompting mobile telephone set to change cell voltage just.Take MTK platform baseband chip as example.Operated by rotary motion cell-phone user interface low capacity prompt voltage is about 3.5V, and the real voltage that causes owing to supply voltage is low shutting down of baseband chip is generally about 2.7V.Enter time of off-mode thereby prolong as much as possible portable terminal from standby, therefore as long as self voltage was not lower than 2.7V in operating and can realizes this operation changing when large bulk capacitance power to mobile phone.
Positive progressive effect of the present utility model is:
Portable terminal of the present utility model utilizes the energy storage characteristic of electric capacity, thereby when changing battery, the system of portable terminal can not cut off the power supply yet, thereby the shutdown of having avoided system cut-off to cause, thereby the user need not again to wait for the very long available machine time, so improved user's experience.
In addition, because portable terminal of the present utility model has only utilized electric capacity, so with respect to two modes that battery switches in the prior art, hardware configuration and the software configuration of portable terminal have been reduced, and only need to arrange a battery in the portable terminal, so the volume of portable terminal has also diminished, thus can do more frivolous.
Description of drawings
Fig. 1 is the circuit structure diagram of the double cell commutation circuit of prior art.
Fig. 2 is the circuit structure diagram of the double-battery charge electric control circuit of prior art.
Fig. 3 is the structural representation of the preferred embodiment of portable terminal of the present utility model.
Fig. 4 is the flow chart of the battery changing method of preferred embodiment of the present utility model.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
Embodiment:
The portable terminal of present embodiment is powered to mobile system by battery when mobile system powers on for the first time, and charges to having jumbo electric capacity simultaneously.When portable terminal work after a period of time, the user pulls out when battery-operated, by described electric capacity of short duration to the mobile system power supply, wait for when the user changes new battery, then by new battery mobile system powered, and again described electric capacity is charged.Successively circulation can make portable terminal constantly start shooting to change battery-operated, saves the user in the stand-by period of changing battery, improves user's experience.
So as shown in Figure 3, the portable terminal of this enforcement comprises a mobile system 1, a battery 2 and an electrochemical capacitor 3.
Wherein said battery 2 provides electric energy for described mobile system 1, between the described electrochemical capacitor 3 described batteries 2 of access in parallel and the described mobile system 1.
And break away from described portable terminal when described battery 2, thereby when stopping power for portable terminal, described electrochemical capacitor 3 is that described mobile system 1 is powered.
Electrochemical capacitor described in the present embodiment 3 also can be substituted by the capacitance group with same capacitance capacity that a plurality of electric capacity or electrochemical capacitor parallel connection consist of.Also can adopt in addition the farad capacitor with larger capacitance to substitute described electrochemical capacitor 3.
Wherein the mobile system in the present embodiment 1 has power management module, radio-frequency module, music playing module, FM module, video playback module and wireless connections module, and operation has corresponding application program in the described modules.The power management module of mobile system described in the present embodiment 1 can also detect the voltage of described battery, and when the voltage of described battery during less than or equal to the normal working voltage of described mobile system, described mobile system 1 sends information warning.And described power management module can also be closed radio-frequency module, music playing module, FM module, video playback module, wireless connections module and be run on all application programs on the described modules.Because the function and structure of described modules, application program all is combinations of software and hardware in the prior art, so give unnecessary details no longer in detail herein.
Adopting the portable terminal of MTK chip MT6252 platform in the present embodiment is example, and under ideal case, surveying its standby average current is 1.5mA.And the user interface of mobile terminal low capacity prompt voltage that arranges in the described MTK chip is about 3.5v, and the real voltage that causes owing to supply voltage is low shutting down of described MTK chip is generally about 2.7v.
Because portable terminal consumed energy W
1=U * I * t=(U
1+ U
2)/2 * (I * 10
-3) * t
And the energy W that described electrochemical capacitor 2 provides
2=1/2 * C * (U
1 2-U
2 2)
Wherein said U
1Be the voltage on the electrochemical capacitor 3, described U
2Be the final shutdown voltage of portable terminal, I is for changing mobile terminal standby average current in the cell process, and unit is mA, and C is the total capacity of described electrochemical capacitor 3, and described t is the time that portable terminal enters shutdown.When capacity in parallel in the present embodiment is in the situation of the electrochemical capacitor of 4700 μ F, in above-mentioned parameters substitution following formula, i.e. U
1=3.5V, U
2=2.7V, I=1.5mA, C=4700 μ F, the portable terminal that then calculates by following formula enter about 2.51 seconds of the time t of shutdown, and the actual portable terminal that records pulls out and keeps stand-by time behind the battery and be about about 2.5s.This is very high with the agreement with calculated degree.
When the user changes the battery of the portable terminal in the present embodiment, may further comprise the steps:
Whether the voltage that step 1, the power management module of described mobile system 1 detect described battery 2 less than or equal to the normal working voltage of described mobile system 1, if enter step 2, otherwise repeating step 3.
Wherein the default prompting mobile terminal replacing cell voltage of the chip of MTK described in the present embodiment is 3.5V, and namely described normal working voltage is 3.5V.So when the voltage of battery enters step 2 during less than or equal to 3.5V, otherwise continue to monitor the voltage on the battery 2.
Step 2, described mobile system 1 sends information warning, and the power management module of described mobile system 1 is closed radio-frequency module, music playing module, FM module, video playback module, wireless connections module and all application programs.So that described mobile system 1 enters the state of low-power consumption, thereby reduce the loss of the electric energy of portable terminal, thereby prolong the standby of portable terminal or the time of operation.
Step 4 adds battery 2 in described portable terminal, described battery 2 is described mobile system 1 and 3 power supplies of described electrochemical capacitor.
So when the user takes out the battery of electric weight deficiency and is reentered into that electrochemical capacitor 3 provides electric energy described in the process of battery of electric weight abundance, keep the operation of described mobile system 1.
Although more than described embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection range of the present utility model is limited by appended claims.Those skilled in the art can make various changes or modifications to these execution modes under the prerequisite that does not deviate from principle of the present utility model and essence, but these changes and modification all fall into protection range of the present utility model.
Claims (5)
1. a portable terminal comprises a mobile system and a battery, it is characterized in that, described portable terminal also comprises an electric capacity or a capacitance group that is made of a plurality of Capacitance parallel connections, and wherein said battery is described electric capacity or capacitance group charging; When described battery stopped as described mobile system power supply, described electric capacity or capacitance group were described mobile system power supply.
2. portable terminal as claimed in claim 1 is characterized in that, an end of described electric capacity or described capacitance group is electrically connected with described mobile system and described battery, the other end ground connection of described electric capacity or described capacitance group.
3. portable terminal as claimed in claim 1 is characterized in that, the electric capacity in described electric capacity or the described capacitance group is electrochemical capacitor or farad capacitor.
4. such as each described portable terminal among the claim 1-3, it is characterized in that the capacity of described electric capacity or the total capacity of described capacitance group are 4000 μ F-7000 μ F.
5. portable terminal as claimed in claim 4 is characterized in that, described mobile system comprises the MT6252 chip of a MTK company.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220304143 CN202663456U (en) | 2012-06-26 | 2012-06-26 | Mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220304143 CN202663456U (en) | 2012-06-26 | 2012-06-26 | Mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202663456U true CN202663456U (en) | 2013-01-09 |
Family
ID=47458328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220304143 Expired - Lifetime CN202663456U (en) | 2012-06-26 | 2012-06-26 | Mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202663456U (en) |
-
2012
- 2012-06-26 CN CN 201220304143 patent/CN202663456U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Building 1, No. 399 Keyuan Road, Zhangjiang hi tech park, Pudong New Area, Shanghai, 201203 Patentee after: Huaqin Technology Co.,Ltd. Address before: Building 1, No. 399 Keyuan Road, Zhangjiang hi tech park, Pudong New Area, Shanghai, 201203 Patentee before: HUAQIN TELECOM TECHNOLOGY Co.,Ltd. Address after: Building 1, No. 399 Keyuan Road, Zhangjiang hi tech park, Pudong New Area, Shanghai, 201203 Patentee after: Huaqin Technology Co.,Ltd. Address before: Building 1, No. 399 Keyuan Road, Zhangjiang hi tech park, Pudong New Area, Shanghai, 201203 Patentee before: Huaqin Technology Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Building 1, No. 399 Keyuan Road, Zhangjiang hi tech park, Pudong New Area, Shanghai, 201203 Patentee after: HUAQIN TELECOM TECHNOLOGY Co.,Ltd. Address before: 201203 Building 1, 399 Zhangyuan Road, Zhangjiang, Pudong New Area, Shanghai Patentee before: SHANGHAI HUAQIN TELECOM TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130109 |