CN2845006Y - Power supply distributing system for notebook computer - Google Patents
Power supply distributing system for notebook computer Download PDFInfo
- Publication number
- CN2845006Y CN2845006Y CN 200520133778 CN200520133778U CN2845006Y CN 2845006 Y CN2845006 Y CN 2845006Y CN 200520133778 CN200520133778 CN 200520133778 CN 200520133778 U CN200520133778 U CN 200520133778U CN 2845006 Y CN2845006 Y CN 2845006Y
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- battery
- main battery
- diode
- boosting
- power consumption
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Abstract
The utility model belongs to the field of a notebook computer, and discloses a power supply distributing system for a notebook computer. The utility model comprises a charging circuit respectively connected with a diode (1), an auxiliary battery and a main battery, wherein the output end of the diode (1) is connected with a power consumption system. A boosting circuit and a diode (2) are connected between the auxiliary battery and the power consumption system in sequence. A diode (3) is connected between the main battery and the power consumption system. An embedded controller is respectively connected with the charging circuit, the auxiliary battery and the main battery. The utility model adopts the auxiliary battery which has small volume and can be embedded into a notebook computer, and the utility model can be automatically switched to the auxiliary battery to supply power when the electric quantity of the main battery is very low, so users have enough time to store data in a disc, close the computer, etc., and can also continue to use the computer for a period of time, and the service life of the battery is prolonged to a certain extent.
Description
Affiliated technical field
The utility model relates to the notebook computer field, particularly the laptop electric power distribution system.
Background technology
In the design of traditional notebook, adopt a main battery to power to system, when not connecing adapter and battery electric quantity extremely low the time, can cut off the electricity supply automatically for protection to battery.If the user has little time normal shutdown or in time plugs adapter, will cause important information of user and data to lose; Even if the user can in time change battery, the current task of can also having to interrupt is brought great inconvenience to the user.
The utility model content
The purpose of this utility model is to provide a kind of laptop electric power distribution system, it can make the notebook computer non-stop run when the main battery electric weight is extremely low, avoid the user to have little time normal shutdown or in time plug adapter, cause important information of user and data to lose.
The utility model is that the technical scheme that its purpose of realization is adopted is: laptop electric power distribution system of the present utility model comprises charging circuit, it is connected with diode, boosting battery and main battery respectively, the output terminal of diode is connected in the power consumption system, be connected with a booster circuit and a diode between boosting battery and the power consumption system in regular turn, be connected with a diode between main battery and the power consumption system.One embedded controller is connected to charging circuit, boosting battery and main battery.
Compared with prior art, it is one individual actively little and can be embedded into the boosting battery of notebook computer that the utility model adopts, make and when the main battery electric weight is extremely low, can switch to intermediate battery supply automatically, make the user have time enough to go to finish at leisure the data deposit, operations such as shutdown also can make the user continue to use a period of time to prolong the life-span of battery to a certain extent.When the user has backup battery, can also do not have adapter and the situation that need not to interrupt current task that need not to shut down under change battery, notebook is worked incessantly.Simultaneously because there is an embedded controller notebook inside, effectively control the charging process of boosting battery and the power supply state of total system is monitored so can make full use of existing resource, saved cost like this and made that again electric power system is more stable.
Description of drawings
Fig. 1 is a circuit theory synoptic diagram of the present utility model;
Fig. 2 is a power supply process flow diagram of the present utility model.
Embodiment
See also Fig. 1, laptop electric power distribution system of the present utility model comprises charging circuit, it is connected with diode 1, boosting battery and main battery respectively, the output terminal of diode 1 is connected in the power consumption system, be connected with booster circuit and diode 2 between boosting battery and the power consumption system in regular turn, be connected with diode 3 between main battery and the power consumption system.One embedded controller is connected to charging circuit, boosting battery and main battery, and it is used to control charging circuit and gives the charging of main battery and boosting battery and control main battery and boosting battery discharge by norm.
This embedded controller all exists in present notebook computer, and it is responsible for monitoring the charge and discharge process of main battery and boosting battery.It includes A/D converter and D/A converter.
Main battery is the existing used battery of notebook computer, and it is the intelligent battery that charges and discharge capable of circulation, and the intelligent IC of main battery inside can deposit the various information of battery in its Electrically Erasable Read Only Memory (E
2PROM), embedded controller can obtain these information, thereby effectively controls charging and discharging of main battery.
Boosting battery is embedded in the notebook computer, and it is general charged and discharged battery or lithium battery group, and the volume ratio main battery is much smaller.Embedded controller can be set the charging current of boosting battery by inner D/A converter by the voltage of its inner A/D converter monitoring boosting battery.
See also Fig. 1 and Fig. 2, the handoff procedure of power supply source of the present utility model is:
When AC power supplies connects, diode 1 conducting, diode 2 by, diode 3 by, AC power supplies is given the power supply of power consumption system.
When AC power supplies does not connect and main battery terminal voltage when being higher than auxiliary battery voltage, by, diode 3 conductings, main battery is given the power supply of power consumption system to diode 1 by, diode 2.
When AC power supplies does not connect and boosting battery terminal voltage when being higher than main battery voltage, diode 1 is by, diode 2 conductings, diode 3 by, boosting battery is powered to system.
The charge and discharge process of main battery of the present utility model is:
When AC power supplies connects and main battery when also connecting, the main battery charging: embedded controller is from the E of main battery
2Obtain relevant information among the PROM, determine whether can be safely to the main battery charging, in the time can charging, set the charging current of main battery, and realize charging to main battery through overcharge circuit by the D/A converter of inside to main battery.In the process to the main battery charging, embedded controller is responsible for monitoring the state of main battery, stops charging when being full of, and sends alerting signal when by abnormal conditions.
When AC power supplies does not have connection and main battery terminal voltage to be higher than auxiliary battery voltage, main battery discharge: the state when embedded controller is responsible for monitoring the main battery discharge, when by abnormal conditions, send alerting signal, when the main battery discharge caused the boosting battery terminal voltage to be higher than main battery voltage, circuit automatically switched to intermediate battery supply.
The charge and discharge process of boosting battery of the present utility model:
When AC power supplies connects, boosting battery charging: the voltage at embedded controller monitoring boosting battery two ends, determine whether and to charge to boosting battery safely, in the time can charging to boosting battery, D/A converter by inside is set the charging current of boosting battery, and realizes charging to boosting battery through overcharge circuit.In the process to the boosting battery charging, embedded controller is responsible for monitoring the voltage of boosting battery, after having arrived the point of setting, stops charging.
When AC power supplies does not have connection and auxiliary battery voltage to be higher than main battery voltage, boosting battery discharge: when the boosting battery both end voltage does not reach the desired voltage of system, need add a booster circuit, make boosting battery can satisfy the power demands of system.State when embedded controller is responsible for monitoring the boosting battery discharge sends alerting signal when by abnormal conditions.
Although the utility model is to describe with reference to specific embodiment, this description and not meaning that is construed as limiting the utility model.With reference to description of the present utility model, other of the disclosed embodiments change, and all can expect for those skilled in the art.Therefore, such variation can not break away from affiliated claim restricted portion and spirit.
Claims (7)
1. laptop electric power distribution system, it comprises charging circuit, main battery and power consumption system, it is characterized in that: described charging circuit couples with diode (1), boosting battery and described main battery respectively, the output terminal of diode (1) is coupled to the power consumption system, and it is used for ending electric current between charging circuit and the power consumption system when charging circuit does not connect AC power supplies; Be coupled with booster circuit and diode (2) between boosting battery and the power consumption system in regular turn, booster circuit is used for the voltage of boosting battery is raise to reach the electricity consumption requirement of power consumption system, diode (2) be used for the voltage of boosting battery after booster circuit boosts be lower than main battery voltage and the time, by the electric current between boosting battery and the power consumption system; Be coupled with diode (3) between main battery and the power consumption system, when this diode (3) is used for voltage at main battery and is lower than the voltage of boosting battery after booster circuit boosts, the electric current between main battery and power consumption system; One embedded controller is coupled to charging circuit, boosting battery and main battery respectively, the electric current when it is used to control charging circuit by norm to main battery and boosting battery charging and control main battery and boosting battery discharge.
2. laptop electric power distribution system as claimed in claim 1 is characterized in that: described embedded controller includes the A/D converter of the voltage that can monitor boosting battery and can set the D/A converter of the charging current of main battery and boosting battery.
3. laptop electric power distribution system as claimed in claim 1, it is characterized in that: described main battery is the intelligent battery of cycle charge discharge, the intelligent IC that it comprises Electrically Erasable Read Only Memory and the various information of main battery can be deposited in above-mentioned Electrically Erasable Read Only Memory.
4. laptop electric power distribution system as claimed in claim 1 is characterized in that: described boosting battery is embedded in the notebook computer.
5. laptop electric power distribution system as claimed in claim 1 is characterized in that: described boosting battery is the battery that can charge and discharge, and its volume ratio main battery is little.
6. laptop electric power distribution system as claimed in claim 1 is characterized in that: described boosting battery is the lithium battery group.
7. laptop electric power distribution system as claimed in claim 1 is characterized in that: this laptop electric power distribution system also comprises AC power supplies, and it is respectively coupled to charging circuit and embedded controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520133778 CN2845006Y (en) | 2005-10-19 | 2005-10-19 | Power supply distributing system for notebook computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520133778 CN2845006Y (en) | 2005-10-19 | 2005-10-19 | Power supply distributing system for notebook computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2845006Y true CN2845006Y (en) | 2006-12-06 |
Family
ID=37486950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520133778 Expired - Fee Related CN2845006Y (en) | 2005-10-19 | 2005-10-19 | Power supply distributing system for notebook computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2845006Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102651572A (en) * | 2012-05-10 | 2012-08-29 | 华为技术有限公司 | Zero-time power standby system and zero-time power standby method |
| CN102004538B (en) * | 2009-08-31 | 2014-03-26 | 鸿富锦精密工业（深圳）有限公司 | Notebook computer power supply circuit |
| CN105678198A (en) * | 2015-12-31 | 2016-06-15 | 联想(北京)有限公司 | Electronic device and control method thereof |
| CN105900040A (en) * | 2014-02-19 | 2016-08-24 | 松下知识产权经营株式会社 | Power supply apparatus, and electronic device |
| CN111864887A (en) * | 2020-07-21 | 2020-10-30 | 美唐科技(江苏)有限公司 | Law enforcement appearance double cell circuit |
| CN114732315A (en) * | 2022-03-08 | 2022-07-12 | 广东新宝电器股份有限公司 | Floor cleaning machine cleaning system |
-
2005
- 2005-10-19 CN CN 200520133778 patent/CN2845006Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102004538B (en) * | 2009-08-31 | 2014-03-26 | 鸿富锦精密工业（深圳）有限公司 | Notebook computer power supply circuit |
| CN102651572A (en) * | 2012-05-10 | 2012-08-29 | 华为技术有限公司 | Zero-time power standby system and zero-time power standby method |
| CN102651572B (en) * | 2012-05-10 | 2014-07-09 | 华为技术有限公司 | Zero-time power standby system and zero-time power standby method |
| CN105900040A (en) * | 2014-02-19 | 2016-08-24 | 松下知识产权经营株式会社 | Power supply apparatus, and electronic device |
| CN105678198A (en) * | 2015-12-31 | 2016-06-15 | 联想(北京)有限公司 | Electronic device and control method thereof |
| CN111864887A (en) * | 2020-07-21 | 2020-10-30 | 美唐科技(江苏)有限公司 | Law enforcement appearance double cell circuit |
| CN114732315A (en) * | 2022-03-08 | 2022-07-12 | 广东新宝电器股份有限公司 | Floor cleaning machine cleaning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |