CN1471211A - Power source starting apparatus - Google Patents
Power source starting apparatus Download PDFInfo
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- CN1471211A CN1471211A CNA021269408A CN02126940A CN1471211A CN 1471211 A CN1471211 A CN 1471211A CN A021269408 A CNA021269408 A CN A021269408A CN 02126940 A CN02126940 A CN 02126940A CN 1471211 A CN1471211 A CN 1471211A
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- battery
- circuits system
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- level
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Abstract
The device is suitable to a circuit system, which possesses a power supply end connected to a battery as well as a plug inserted to a charger. The charger comprises a voltage detector with its input end connected to the battery. When the voltage at the input end is lower than a critical electrical level, the voltage detector outputs a control signal possessing first electrical level, making the charger provide power source through a connector for the circuit system as well as starting the circuit system and charging the battery from the charger. When the voltage at the input end is higher the critical electrical level, the voltage detector outputs a control signal possessing second electrical level, making the battery provide power for the circuit system.
Description
The present invention is relevant for a kind of power source starting apparatus, particularly at the Circuits System of using battery (for example mobile phone etc.), can be according to the voltage of battery, the power supply source of mobility ground commutation circuit system, use preventing that electric quantity of rechargeable battery is low excessively, Circuits System can't start immediately and causes user's inconvenience.
General mobile phone (handset) and various portable computer equipment mostly are to adopt the main source of battery as power supply, to meet the requirement of portable nature.General battery all can self-discharge (self-discharge), just mobile phone is when shutdown, or battery is not when being installed in mobile phone, battery can be returned to low-energy state by nature, the electric weight of self-discharge is different along with the system of battery, for example NI-G or Ni-MH battery have higher self-discharge, and using method or manufacture method all can be quickened the nature discharge improperly.Battery is because the restriction of volume mostly has certain effective amount of power supply, for long-time untapped battery, its battery electric quantity is crossed when hanging down, and in general charging process, can't make mobile phone power-on, therefore can't show the various states of mobile phone, for example the electric weight of battery causes the user to use inconvenience.
In view of this, the object of the present invention is to provide a kind of charging control circuit, can detect the electric weight of battery at any time, and switch the power supply of supply circuit system of institute accordingly, when cell voltage is crossed when low, (Adaptor) provides power supply by charger, makes the Circuits System start to be able to the display circuit system mode.When cell voltage is enough to make the Circuits System start, provides power supply by battery, and continue battery to be full of electric weight by the power supply of charger.
For realizing described purpose, the invention provides a kind of power source starting apparatus, be applicable to a Circuits System, the power source supply end that Circuits System has is connected to a battery, and the joint that Circuits System has inserts a charger, power source starting apparatus comprises: a voltage detector, its input is connected to battery, wherein when input terminal voltage is lower than a critical level, voltage detector output one has the control signal of first level, making provides power supply through joint to Circuits System by charger, Circuits System is started, and charger is to battery charge; When input terminal voltage was higher than critical level, voltage detector output one had second level controling signal, and making provides power supply by battery to Circuits System, and this moment, system can also be charged to battery by charger.
In addition, power source starting apparatus also comprises: one first switch, and its input is connected to joint, one first signal that control end receiving circuit system produces; Wherein when control end has low level, first switch conduction then, when control end had high level, then first switch opened circuit, and first signal is preset as high level; One first diode, its anode is connected to the output of first switch, and its negative electrode is connected to a charging input end of Circuits System; One second switch, its input is connected to joint, and its control end is connected to an output of voltage detector; Wherein when control end has low level, then second switch conducting, when control end had high level, then second switch opened circuit; One second diode, its anode is connected to the output of second switch, and its negative electrode is connected to the charging input end of Circuits System; One the 3rd diode, its anode is connected to the output of second switch, and its negative electrode is connected to battery; One inverter, its input is connected to the output of voltage detector; And the 3rd switch, its input is connected to the charging input end of Circuits System, and its control end is connected to an output of inverter, and its output is connected to the input of battery; Wherein when control end has low level, the 3rd switch conduction then, when control end had high level, then the 3rd switch opened circuit.
For described and other purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail as follows:
Description of drawings:
Fig. 1 represents the power source starting apparatus functional block diagram of the embodiment of the invention.
Fig. 2 represents the power initiation flow chart of the embodiment of the invention.
Symbol description:
10: voltage detector
15: inverter
20: Circuits System
22: analog-digital converter
24: display floater
30: battery
50: resitstance voltage divider
52: joint
Embodiment
The invention provides a kind of power source starting apparatus, below all use mobile phone to be used as explanation as example, but not only be confined to mobile phone, other electronic equipment is all applicable.Power source starting apparatus has complete charge function, even the mobile phone electric weight is low excessively, the various state informations of battery still can be provided by the charge power supply start-up system, overcome general mobile phone and cross lowly start-up system immediately, cause the user to use inconvenience at electric weight.
Fig. 1 represents the functional block diagram of the power source starting apparatus of the embodiment of the invention.As shown in Figure 1, the joint 52 of power source starting apparatus is connected to charger (Adaptor).First switch SW 1, its input is connected to joint 52, one first signal that control end receiving circuit system 20 produces, wherein when control end had low level, then first switch SW, 1 conducting was when control end has high level, first switch SW2 that opens circuit then, wherein first signal is preset as high level.One first diode D1, its anode is connected to the output of first switch, and its negative electrode is connected to the power input T1 that Circuits System starts.One second switch SW2, its input is connected to joint 52, its control end is connected to an output of voltage detector 10, its output is connected to the anode of the second diode D2, wherein when the control end of second switch SW2 has low level, then second switch SW2 conducting, when the control end of second switch SW2 had high level, then second switch SW2 opened circuit.One second diode D2, its anode is connected to the output of described second switch SW2, and its negative electrode is connected to the power input T1 that described Circuits System starts.One the 3rd diode D3, its anode is connected to the output of second switch SW2, and its negative electrode is connected to battery 30.One inverter 15, its input is connected to the output of voltage detector 10.The 3rd switch SW 3, its input is connected to the startup power input T1 of Circuits System 20, its control end is connected to an output of inverter 15, its output is connected to the input of battery 30, wherein when control end has low level, the 3rd switch conduction then, when control end had high level, then described the 3rd switch opened circuit.
The input of resitstance voltage divider 50 is connected to battery 30, and output is connected to the analog-digital converter 22 of Circuits System 20, and digital analog converter 22 outputs are connected to the display floater 24 of Circuits System 20, in order to show the electric weight of battery 30.
Voltage detector 10, its input is connected to battery 30, wherein when the input terminal voltage of voltage detector 10 is lower than a critical level, 3.2V for example, the output voltage deficiency of battery 30 is so that Circuits System 20 starts, and voltage detector 10 outputs are low level, therefore second switch SW2 conducting, charger provides power supply to start power input T1 to Circuits System 20 via joint 52, second switch SW2, the second diode D2, makes Circuits System 20 start shooting.Charger provides power supply to battery 30 via joint 52, second switch SW2, the 3rd diode D3 simultaneously, to battery 30 chargings.The input terminal voltage of battery 30 is by the conversion of the analog-digital converter 22 of resitstance voltage divider 50 and Circuits System 20, so the display floater 24 of Circuits System 20 is shown the electric weight of battery 30.First signal of Circuits System 20 is preset as high level, and therefore first switch SW 1 opens circuit.Voltage detector 10 outputs are low level, and the output of inverter 15 is a high level voltage, and therefore the 3rd switch SW 3 opens circuit.
When the input terminal voltage of voltage detector 10 was higher than a critical level, 3.2V for example, the output voltage of battery 30 were enough to make Circuits System 20 starts, and voltage detector 10 outputs are high level, so second switch SW2 opens circuit.Voltage detector 10 outputs are high level, and the output of inverter 15 is a low level voltage, therefore the 3rd switch SW 3 conductings.Battery 30 provides power supply to start power input T1,20 normal operations of holding circuit system to Circuits System 20 via the 3rd switch SW 3.Circuits System 20 makes switch SW 1 conducting or open circuit of winning by first signal, with the charging of control battery 30.
Fig. 2 represents the power initiation flow chart of the embodiment of the invention.
At step S21, the joint of power source starting apparatus inserts charger.
At step S22, voltage detector detects the output voltage of battery.
At step S23, when the output voltage of battery during less than a critical level, voltage detector output low level then.
At step S24, provide power supply through joint to Circuits System by charger, so the Circuits System startup, and charger is to battery charge.
At step S25, when cell voltage is higher than critical level, voltage detector output high level.
At step S26, provide power supply to Circuits System by battery.
Though the present invention with preferred embodiment openly as above; right its is not in order to limit the present invention; any those skilled in the art; under the situation that does not break away from design of the present invention and scope; can change and improvement, so protection scope of the present invention is as the criterion with the claim institute restricted portion that is proposed.
Claims (17)
1. a power source starting apparatus is applicable to a Circuits System, and described Circuits System has a power source supply end and a charging input end, and this power source supply end is connected to a battery, and this charging input end is connected to a charger, and this power source starting apparatus comprises:
One voltage detector, have an input and an output, this input is connected to described battery, wherein when the magnitude of voltage of described input is lower than a critical level, described voltage detector output one has the control signal of first level, make described charger provide power supply to described Circuits System through described charging input end, so that the startup of described Circuits System, and described charger is to described battery charge; And when the magnitude of voltage of described input was higher than described critical level, described output output one had the control signal of second level, and making is provided the power supply of described Circuits System by described battery.
2. power source starting apparatus as claimed in claim 1, wherein said first level is a low level, described second level is a high level.
3. power source starting apparatus as claimed in claim 2, it also comprises:
One first switch, have a first input end, one first output and one first control end, wherein this first input end is connected to described charger, this first control end receives one first signal that described Circuits System produces, wherein when described first control end had low level, then described first switch conduction was when described first control end has high level, then described first switch opens circuit, and described first signal is preset as high level;
One first diode has one first anodal and one first negative pole, and this first positive pole is connected to described first output, and this first negative pole is connected to the charging input end of described Circuits System;
One second switch, have one second input, one second output and one second control end, this second input is connected to described charger, this second control end is connected to the output of described voltage detector, wherein when described second control end has low level, then described second switch conducting, when described second control end had high level, then described second switch opened circuit;
One second diode has one second anodal and one second negative pole, and this second positive pole is connected to described second output, and this second negative pole is connected to the charging input end of described Circuits System;
One the 3rd diode has one the 3rd anodal and one the 3rd negative pole, and the 3rd positive pole is connected to described second output, and the 3rd negative pole is connected to described battery;
One inverter has an inverter input and an inverter output, and this inverter input is connected to the output of described voltage detector; And
One the 3rd switch, have one the 3rd input, one the 3rd output and one the 3rd control end, the 3rd input is connected to the charging input end of described Circuits System, the 3rd control end is connected to described inverter output, the 3rd output is connected to described battery, wherein when described the 3rd control end has low level, and then described the 3rd switch conduction, when described the 3rd control end had high level, then described the 3rd switch opened circuit.
4. power source starting apparatus as claimed in claim 1, it also comprises:
One display floater; And
One analog-digital converter (ADC) has a transducer input and a converter output end, and wherein this transducer input is connected to described battery, and this converter output end is connected to described display floater, in order to show the electric weight of described battery.
5. power source starting apparatus as claimed in claim 1, wherein this Circuits System is a mobile phone.
6. power source starting apparatus as claimed in claim 1, wherein the magnitude of voltage of this critical level is 3.2V.
7. a power initiation method is applicable to a Circuits System, and described Circuits System has a power source supply end and a charging input end, and it comprises the following steps:
Power source supply end is connected to a battery, and this charging input end is connected to a charger;
Detect the magnitude of voltage of described battery, when the magnitude of voltage of described battery is lower than a critical level, then exports one and have the control signal of first level;
The control signal of described first level makes a second switch conducting, described charger is connected described charging input end and described battery through described charging input end with described second switch, provide power supply to described Circuits System, so that described Circuits System startup, and described charger is to described battery charge;
Detect the magnitude of voltage of described battery, when the magnitude of voltage of described battery is higher than described critical level, output one has the control signal of second level, make described second switch open circuit, and one the 3rd switch conduction, described charging input end connects described battery by described the 3rd switch, and the power supply of described Circuits System is provided by described battery; And
Described Circuits System is exported a switching signal according to cell voltage, and described switching signal control one is connected to first switch of described charger and described charging input end, in order to control the electric weight of described battery.
8. power initiation method as claimed in claim 7, wherein said first level is a low level, described second level is a high level.
9. power initiation method as claimed in claim 7, wherein the magnitude of voltage of this critical level is 3.2V.
10. power initiation method as claimed in claim 7, the voltage that wherein also comprises the following steps: to change described battery is a video data, and shows described video data, to express the electric weight of described battery.
11. power initiation method as claimed in claim 7, wherein this Circuits System is a mobile phone.
12. a power initiation method is applicable to a Circuits System, it comprises the following steps:
One end of this Circuits System is connected to a battery, the other end of this Circuits System is connected to a charger;
Detect the magnitude of voltage of this battery, when the magnitude of voltage of this battery is lower than a critical level, then provide power supply to this Circuits System by this charger, so that this Circuits System startup, and this charger is to this battery charge; And
Detect the magnitude of voltage of this battery, when the magnitude of voltage of this battery is higher than this critical level, then provide to this Circuits System power supply by this battery.
13. power initiation method as claimed in claim 12, the voltage that wherein also comprises the following steps: to change this battery is a video data, and shows this video data, to express the electric weight of this battery.
14. power initiation method as claimed in claim 12, wherein this Circuits System is a communicator.
15. power initiation method as claimed in claim 12, wherein the magnitude of voltage of this critical level is 3.2V.
16. power initiation method as claimed in claim 12, wherein when the magnitude of voltage of this battery is lower than this critical level, then export one and have the control signal of first level, make a second switch conducting, this charger is connected this battery with this second switch, to provide power supply, this Circuits System is started, and this charger is to this battery charge to this Circuits System.
17. power initiation method as claimed in claim 16, wherein when the magnitude of voltage of this battery is higher than this critical level, then export one and have the control signal of second level, make this second switch open circuit, and make one the 3rd switch conduction, this Circuits System connects this battery by the 3rd switch, and provides power supply by this battery to this Circuits System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021269408A CN1311606C (en) | 2002-07-24 | 2002-07-24 | Power source starting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021269408A CN1311606C (en) | 2002-07-24 | 2002-07-24 | Power source starting apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1471211A true CN1471211A (en) | 2004-01-28 |
| CN1311606C CN1311606C (en) | 2007-04-18 |
Family
ID=34143434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021269408A Expired - Fee Related CN1311606C (en) | 2002-07-24 | 2002-07-24 | Power source starting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1311606C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009012628A1 (en) * | 2007-07-23 | 2009-01-29 | Zte Corporation | Power supply slow starting apparatus |
| CN105680493A (en) * | 2014-11-20 | 2016-06-15 | 中兴通讯股份有限公司 | Method, device and system for prompting terminal charging |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69400033T2 (en) * | 1994-03-03 | 1996-05-15 | Sgs Thomson Microelectronics | Constant current battery charger with auxiliary power supply output for portable device. |
| KR100241899B1 (en) * | 1997-07-16 | 2000-02-01 | 윤종용 | Apparatus and method for displaying remained electric source in a portable radio communication terminal |
| US6462507B2 (en) * | 1998-08-07 | 2002-10-08 | Okc Products, Inc. | Apparatus and method for initial charging, self-starting, and operation of a power supply with an intermittent and/or variable energy source and a rechargeable energy storage device |
| US6157173A (en) * | 1999-01-27 | 2000-12-05 | Sony Corporation | Circuit and method for sharing current between a portable device and a battery charger |
-
2002
- 2002-07-24 CN CNB021269408A patent/CN1311606C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009012628A1 (en) * | 2007-07-23 | 2009-01-29 | Zte Corporation | Power supply slow starting apparatus |
| CN105680493A (en) * | 2014-11-20 | 2016-06-15 | 中兴通讯股份有限公司 | Method, device and system for prompting terminal charging |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1311606C (en) | 2007-04-18 |
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