CN201789318U - Mobile phone power supply device with leather case battery for power supply - Google Patents

Mobile phone power supply device with leather case battery for power supply Download PDF

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Publication number
CN201789318U
CN201789318U CN2010205187524U CN201020518752U CN201789318U CN 201789318 U CN201789318 U CN 201789318U CN 2010205187524 U CN2010205187524 U CN 2010205187524U CN 201020518752 U CN201020518752 U CN 201020518752U CN 201789318 U CN201789318 U CN 201789318U
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CN
China
Prior art keywords
power supply
battery
module
leather sheath
control module
Prior art date
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 - Fee Related
Application number
CN2010205187524U
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Chinese (zh)
Inventor
卫涛
余珍平
卢跃松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Roncent Communication Technology Co Ltd
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Shanghai Roncent Communication Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Roncent Communication Technology Co Ltd filed Critical Shanghai Roncent Communication Technology Co Ltd
Priority to CN2010205187524U priority Critical patent/CN201789318U/en
Application granted granted Critical
Publication of CN201789318U publication Critical patent/CN201789318U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems

Abstract

The utility model discloses a mobile phone power supply device with a leather case battery for power supply, which comprises a power supply circuit capable of connecting with a main battery of a mobile phone; and the power supply circuit comprises the leather case battery, a power supply switching module, a leather case battery voltage detection module, a leather case battery power supply control module, a software power supply control module, an output current control module, a charge management module and a system power supply management module; the leather case battery is respectively connected with circuits of the leather case battery power supply control module, the software power supply control module, the power supply switching module, the output current control module, the charge management module and the leather case battery voltage detection module; the power supply switching module is respectively connected with the circuits of the leather case battery voltage detection module, the leather case battery power supply control module, the software power supply control module, the output current control module and the system power supply management module; and the charge management module is connected with the circuit of the system power supply management module. The device can lead the mobile phone to be used continuously for a long time and does not need to carry a spare battery.

Description

A kind of belt leather overlaps battery powered power supply apparatus for handset
Technical field:
The utility model relates to a kind of electric supply installation at random of mobile phone, and particularly a kind of belt leather overlaps battery powered power supply apparatus for handset.
Background technology:
Current, traditional mobile phone can only be installed and used a supplying cell in mobile phone, when battery electric quantity is not enough, or looks for the place charging that power supply is arranged, or changes another piece reserve battery.It is as follows that above mobile phone exists shortcoming:
1. need carry reserve battery, to guarantee the normal use of mobile phone;
2. when not having reserve battery, influence the lasting use of mobile phone.
Even be designed to a kind of dual battery system, but dual battery system also can produce following problem:
1. double cell switches easy power down, particularly near the threshold voltage of mobile phone shutdown, and the easier power down that occurs in the battery handoff procedure;
2. be autonomous power supply system between two batteries, macrocell can not be the baby battery continuation of the journey function of charging.
The utility model content:
The purpose of this utility model provides a kind of belt leather and overlaps battery powered power supply apparatus for handset.This device can solve the problem that the mobile phone long period continues use and need not carry reserve battery.
Referring to Fig. 1, a kind of belt leather described in the utility model overlaps battery powered power supply apparatus for handset, comprises that one can connect the power supply circuits of mobile phone main battery; Described power supply circuits comprise leather sheath battery, power supply handover module, leather sheath battery voltage detection module, leather sheath powered battery control module, software power supply control module, output current control module, charge management module and power supply managing module; It is characterized in that described leather sheath battery is connected with leather sheath powered battery control module, software power supply control module, power supply handover module, output current control module, charge management module and leather sheath battery voltage detection modular circuit respectively; Described power supply handover module is connected with leather sheath battery voltage detection module, leather sheath powered battery control module, software power supply control module, output current control module and power supply managing modular circuit respectively; Described charge management module is connected with the power supply managing modular circuit; Described mobile phone main battery is connected with power supply handover module, output current control module and power supply managing modular circuit respectively.
In the such scheme, described leather sheath battery contacts with the gold brick sheet of mobile phone bottom by three pieces of pogo pin switches and powers; Three pieces of spring thimbles are respectively positive pole, negative pole and the detection ID pin of leather sheath battery.
According to such scheme, the component function of this power supply apparatus for handset is as follows:
1. leather sheath battery: be the battery of installing on the leather sheath;
2. mobile phone main battery: the battery that is mobile phone inside;
3. power supply handover module: be used for allowing leather sheath battery and mobile phone main battery from physically isolate or conducting switching device.Have the reverse-current protection function, low conduction impedance, higher conducting electric current, whether the may command conducting waits performance.
4. leather sheath battery voltage detection module: detecting and indicate the voltage electric weight of leather sheath battery in real time by ADC (mould number conversion), is that power supply switches and software control, and the demonstration of electric weight on mobile phone screen provides magnitude of voltage accurately
5. leather sheath powered battery control module: by the inner pull down resistor of leather sheath battery ID pin, judge whether the leather sheath battery is installed on the mobile phone, if the leather sheath battery is installed on the mobile phone, then offer one of leather sheath powered battery control module and be low semaphore, leather sheath powered battery control module goes to determine the power supply handover module whether to open according to this semaphore again.If the leather sheath battery is not installed on the mobile phone, can obtain one under the leather sheath powered battery control module default situations and be high semaphore, then the powered-down handover module just allows mobile phone use own inner main battery, and just equally use with a common mobile phone this moment.
6. software power supply control module:, control whether the power supply handover module opens conducting and cut-out is closed by software signal amount from system's baseband chip.Have under two kinds of material circumstances and will so do: 1. when the voltage of leather sheath battery exceeds the mobile phone main battery voltage, software is known the difference of voltage between the two by ADC after to leather sheath battery and battery of mobile phone sampling contrast, (can software set when greater than a certain value, such as relevant 0.4V, 0.5V can), software power supply control module is the opening power handover module by force, make the leather sheath battery to main battery by the charging of continuing a journey of power supply handover module; 2. when the leather sheath battery combines with mobile phone, if at this time the user uses external charger to give cell-phone charging, software power supply control module is the powered-down handover module by force, charger is given the leather sheath battery charge by charge management module earlier, when the leather sheath battery is full of electricity, give the charging of mobile phone main battery by the power supply managing module again.In the charging process, software power supply control module makes the power supply handover module close always, allows leather sheath battery and mobile phone main battery from physically isolating like this, avoids both to scurry electricity mutually, influence charging each other.
7. output current control module: change the resistance of power supply handover module Iset pin, be controlled under the different user modes, the power supply handover module allows the maximum current that passes through.When 1. having only the leather sheath battery not have main battery, need the leather sheath battery to give the mobile phone direct power supply, peak current 〉=1.5A need be provided; 2. when leather sheath battery and main battery all the time, only need the leather sheath battery to the main battery charging of continuing a journey, only allow this moment by≤300mA electric current, to prevent that electric current from causing that heating is excessive and burning two batteries;
8. charge management module: be used for controlling specially the charging process management of external charger, have over-current over-voltage protection, with function such as charging current control to the leather sheath battery.
9. power supply managing module: the power management module that normal mobile phone inside carries, all kinds of supply voltages when offering mobile phone each several part operate as normal have the charging controlled function simultaneously.
According to above-mentioned the utility model device, its running is as follows:
1. under the default situations, promptly the leather sheath battery is not charge to main battery.
2. at first detect the voltage of leather sheath battery and main battery before the charging, if the leather sheath cell voltage is higher than main battery voltage, the leather sheath battery begins to charge to main battery.
When main battery not the time, this moment, the leather sheath battery can carry out the operation same with main battery with leather sheath battery big current practice such as can take on the telephone.
When main battery the time, this moment, the leather sheath battery can only be used for charging to main battery.
The utlity model has following advantage and good effect:
1. prolonged the lasting service time of mobile phone;
2. use the leather sheath battery, promptly increased protection, extra battery flying power can be provided again phone housing;
3. the leather sheath battery can independently under the situation that main battery is lost use the mobile phone power supply is normal again the charging of the main battery in the mobile phone;
4. the leather sheath battery is detected by the hardware real-time sampling fully and finishes handoff functionality under the charging of main battery, can not produce the problem that power down is switched in common double cell mobile phone system substantially.
Description of drawings:
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is that circuit of the present utility model connects block diagram.
Circuit structure diagram when Fig. 2 specifically uses for the utility model.
Embodiment:
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 2, when electric supply installation described in the utility model used at concrete connection mobile phone, its circuit structure as shown in the figure.
1. under the default situations, software is opened M2 by GPIO output high level, and power supply handover module ON is pulled into low level by force by M2, and the power supply handover module is turned off, and promptly the leather sheath battery is not charge to main battery.
2. after the cell voltage of leather sheath battery passes through R1, R2 dividing potential drop, sample in the adc circuit of baseband chip, carry out voltage detecting and electric weight and show.Main battery voltage carries out voltage detecting by the inner ADC of mobile phone.
3. at first detect the voltage of leather sheath battery and main battery before the charging, if the leather sheath cell voltage is higher than main battery voltage, then software turn-offs M2 by the GPIO output low level, power supply handover module ON by M1, R4 by on pull into high level, thereby the power supply handover module is opened, and the leather sheath battery begins to charge to main battery.Otherwise the power supply handover module is in off state.
4. when the leather sheath battery inserts, power supply handover module ON by M1, R4 by on pull into high level and open, if the leather sheath cell voltage than main battery voltage height, then the leather sheath battery begins to charge to main battery.If but main battery voltage than leather sheath cell voltage height, then the power supply handover module can conducting, is in off state, promptly reverse-current protection starts
In addition: the reverse-current protection of power supply handover module is to detect Vin and Vout from low to high in the level at ON, if the voltage of Vout end is higher than the voltage of Vin end, then the power supply handover module can conducting, is in the reverse-current protection state.
5. software set is every the regular hour, detect the voltage of leather sheath battery and main battery, if when the voltage of leather sheath battery is higher than the some value of main battery voltage, then the opening power handover module begins charging, do not advise opening charging all the time, influential to battery life.When detecting cell voltage, the power supply handover module must turn-off (can realize by software control M2), otherwise the voltage that detects forbidden, and is an empty voltage.
6.M3 switch is to control by main battery Bat_ID_MAIN signal, thereby changes the resistance of power supply handover module Iset, realizes
1) when main battery not the time, the M3 switch is drawn high conducting by R8, pulls down to ground after making power supply handover module Iset by R6, R7 parallel connection.The computing formula of equiva lent impedance Rset that Vout output current Iout and Iset pull down to ground is as follows:
I out ( A ) = 275.6 ( V ) R set ( Ω ) Formula (1)
R set ( Ω ) = R 6 × R 7 R 6 + R 7 Formula (2)
The power supply handover module switches to big electric current (Iout=2A), and this moment, the leather sheath battery can carry out the operation same with main battery with leather sheath battery big current practice such as can take on the telephone.
2) when main battery the time, the M3 switch is by main battery Bat_ID_MAIN signal (the Bat_ID_MAIN signal pulls down to ground by the inner pull down resistor of main battery ID pin, is output as low semaphore), shutoff with being pulled to, Iset pulls down to ground by R7.At this moment
R Set(Ω)=R7 formula (3)
The power supply handover module switches to little electric current (Iout=200mA), and this moment, the leather sheath battery can only be used for charging to main battery.
7. if Charger comes in, must give the leather sheath battery charge earlier, the voltage of leather sheath battery just keeps all the time than main battery height like this, and after the leather sheath battery was full of, Charger charged to main battery again.Exist as long as detect charger, then the power supply handover module should be in off state all the time.
8. best leather sheath encases mobile phone structural design the time, promptly if get main battery, is bound to take off earlier the leather sheath battery, the problem of avoiding two batteries to switch like this.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (2)

1. a belt leather overlaps battery powered power supply apparatus for handset, comprises that one can connect the power supply circuits of mobile phone main battery; Described power supply circuits comprise leather sheath battery, power supply handover module, leather sheath battery voltage detection module, leather sheath powered battery control module, software power supply control module, output current control module, charge management module and power supply managing module; It is characterized in that described leather sheath battery is connected with leather sheath powered battery control module, software power supply control module, power supply handover module, output current control module, charge management module and leather sheath battery voltage detection modular circuit respectively; Described power supply handover module is connected with leather sheath battery voltage detection module, leather sheath powered battery control module, software power supply control module, output current control module and power supply managing modular circuit respectively; Described charge management module is connected with the power supply managing modular circuit.
2. according to the power supply apparatus for handset of claim 1, it is characterized in that described mobile phone main battery is connected with power supply handover module, output current control module and power supply managing modular circuit respectively.
CN2010205187524U 2010-09-03 2010-09-03 Mobile phone power supply device with leather case battery for power supply Expired - Fee Related CN201789318U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102780250A (en) * 2012-08-20 2012-11-14 佛山市柏克新能科技股份有限公司 Solar charge controller
CN103457307A (en) * 2012-11-16 2013-12-18 移康智能科技(上海)有限公司 Double-battery-powered electronic cat eye visual doorbell and power supply method
CN103904774A (en) * 2014-04-16 2014-07-02 广东欧珀移动通信有限公司 Circuit with high endurability and protection shell of mobile terminal
CN103944179A (en) * 2014-05-14 2014-07-23 中塔新兴通讯技术有限公司 Power supply system for implementing communication system peak load shifting by utilizing lead-carbon batteries
WO2014118531A1 (en) 2013-01-29 2014-08-07 Georeach Limited Mobile external battery case
CN104767254A (en) * 2015-05-05 2015-07-08 三星电子(中国)研发中心 Mobile equipment
WO2015168826A1 (en) * 2014-05-04 2015-11-12 华为终端有限公司 Charging apparatus and charging method
CN105630123A (en) * 2014-11-26 2016-06-01 鸿富锦精密工业(武汉)有限公司 Power supply system
CN106684980A (en) * 2016-12-21 2017-05-17 天津力神特种电源科技股份公司 Method of preventing virtual voltage of lithium-ion battery after turning off
CN106797133A (en) * 2017-01-05 2017-05-31 深圳市大疆创新科技有限公司 Control method, control device and electronic installation

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102780250A (en) * 2012-08-20 2012-11-14 佛山市柏克新能科技股份有限公司 Solar charge controller
CN103457307B (en) * 2012-11-16 2015-10-21 移康智能科技(上海)有限公司 The video doorbell with electronic peephole viewer of Double-battery powered and method of supplying power to
CN103457307A (en) * 2012-11-16 2013-12-18 移康智能科技(上海)有限公司 Double-battery-powered electronic cat eye visual doorbell and power supply method
WO2014118531A1 (en) 2013-01-29 2014-08-07 Georeach Limited Mobile external battery case
CN103904774A (en) * 2014-04-16 2014-07-02 广东欧珀移动通信有限公司 Circuit with high endurability and protection shell of mobile terminal
WO2015168826A1 (en) * 2014-05-04 2015-11-12 华为终端有限公司 Charging apparatus and charging method
CN105284028A (en) * 2014-05-04 2016-01-27 华为终端有限公司 Charging apparatus and charging method
CN105284028B (en) * 2014-05-04 2019-05-03 华为终端(东莞)有限公司 A kind of charging unit and charging method
CN103944179A (en) * 2014-05-14 2014-07-23 中塔新兴通讯技术有限公司 Power supply system for implementing communication system peak load shifting by utilizing lead-carbon batteries
CN103944179B (en) * 2014-05-14 2016-07-06 中塔新兴通讯技术集团有限公司 Plumbous carbon battery is utilized to implement the electric power system of communication system peak load shifting
CN105630123B (en) * 2014-11-26 2018-10-12 鸿富锦精密工业(武汉)有限公司 Power supply system
CN105630123A (en) * 2014-11-26 2016-06-01 鸿富锦精密工业(武汉)有限公司 Power supply system
CN104767254A (en) * 2015-05-05 2015-07-08 三星电子(中国)研发中心 Mobile equipment
CN106684980A (en) * 2016-12-21 2017-05-17 天津力神特种电源科技股份公司 Method of preventing virtual voltage of lithium-ion battery after turning off
CN106797133A (en) * 2017-01-05 2017-05-31 深圳市大疆创新科技有限公司 Control method, control device and electronic installation
WO2018126423A1 (en) * 2017-01-05 2018-07-12 深圳市大疆创新科技有限公司 Control method, control device, and electronic device

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110406

Termination date: 20130903