CN2901666Y - Power source managing device - Google Patents
Power source managing device Download PDFInfo
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- CN2901666Y CN2901666Y CN 200620006667 CN200620006667U CN2901666Y CN 2901666 Y CN2901666 Y CN 2901666Y CN 200620006667 CN200620006667 CN 200620006667 CN 200620006667 U CN200620006667 U CN 200620006667U CN 2901666 Y CN2901666 Y CN 2901666Y
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Abstract
The utility model discloses a source power managing device, which comprises a source power, an electricity detecting unit, a control unit, a switching unit and a power saving device. The source power managing device is employed in power management of ordinary system electricity usage and power charging, like strategy of portable computer system electricity usage and power charging, with power started up, through comparing total power supply volume, system consumed power and electricity accumulation device electricity quantity, of the detecting power in the electricity detecting unit comprised with a comparison circuit and a current-limiting resistance, after comparing the total power supply volume with the system consumed power, the utility model supplies power for the power saving device with enough dump energy or decreases the frequency or voltage of the system when the quantity of electricity is not enough. The utility model employs relatively small power supply effectively and realizes the effect of saving power, high power ratio and low cost.
Description
Technical field
The utility model relates to a kind of electric power controller, especially when power supply is supplied, by the power supply energy supply and the consumption of power comparator comparison system, be supplied to battery to charge fully system's remaining electric weight except that electric quantity consumption, to reach the purpose that improves power consumption efficiency.
Background technology
In general, the electricity consumption of a system is fixing power consumption, determines the power of distributing according to this power consumption so power supply is powered, and the electric power higher than this prime power consumption need be provided at least, as system's basic electricity is 100 watts, and the electric power greater than 100 watts then is provided at least.If this system is powerful complication system, the state of electric power system electricity consumption wherein then, can comprise normal boot-strap state (onstate), armed state (stand-by state), idle state (suspend state), off-mode (offstate) etc., as U.S. Pat 5,586, No. 333 disclosed method for managing power supply that are used for the computer system peripheral unit, can be at the different power managing signal control power supply output of above various mode producing, electric source modes wherein as comprising in the computer system, comprise running status, armed state and resting state (sleep mode) etc., the power supply power supply needs to provide different amount of power supply according to different electric source modes.
System as for portable computer, as notebook/laptop, United States Patent (USP) the 6th, disclose a kind of central processing unit (CPU) (CPU) for 763, No. 478 and understood different and technology that adjust, when powering with AC power supplies along with power supply with bus (BUS) frequency (Clock), CPU and bus are promptly moved with peak performance, if when detecting with powered battery, promptly reduce running frequency automatically, reach purpose of power saving.
More than known battery saving mode all be the effect that produces power saving at the electricity consumption of system end, and in the prior art, United States Patent (USP) the 6th, 741, No. 066, as Fig. 1, the feedback signal (feedback signal) 101 that its charge controller 12 produces comprises the information of the power consumption of the charging current/voltage of battery 15 and system 16, external power supply 10 utilizes this feedback signal 101 to adjust the output electric weight with battery 15 chargings to system 16, promotes the service efficiency of pocket device battery and AC power supplies with this.
Among Fig. 1, the feed regulator isolator (power conditioning) 14 in power supply 10 electrical connection systems 16, and supply system 16 electric weight, feed regulator isolator 14 couples a plurality of peripheral 18a, 18b, 18c again; As for the power consumptions of 12 of charge controllers monitoring battery 15, and feed back to power supply 10 with feedback signal 101, thus power supply 10 thus signal learn battery 15 required electric weight, with the electricity consumption of balancing battery 15 and system 16.
The disclosed technology of prior art, though can make the system improving power consumption efficiency, the effect that can reach is limited; Electric power controller of the present invention then proposes the technology of more efficiently use lower-wattage power supply, except at system's electricity consumption, can also charge effectively to battery, and can cooperate central processing unit to fall voltage, frequency reducing work promotes power consumption efficiency.
Summary of the invention
The utility model relates to a kind of electric power controller, utilization is to the management of the power supply control utilization of system, when using AC power supplies, provide system's operation required electric weight by AC power supplies, simultaneously battery is done more efficient charging, reach: (1), guarantee that the total consumed power of system can be above the specification that power supply unit provided with its middle controller and power supply comparing unit; (2), with the power supply unit of same specification, can support the system that consumed power is more and arithmetic speed is higher.
Electric power controller comprises at least: the power supply that system's electricity consumption is provided; Be coupled between power supply and system, to detect the power supply detecting unit of the power supply situation of this system's electricity consumption and this power supply at any time or periodically; Control unit couples the control chip of this power supply detecting unit, this system and diverter switch; Switch unit couples this control unit, for controlling the contactor of this power supply to this electrical energy storage device charging; And electrical energy storage device, couple this power supply detecting unit via this diverter switch, and the DC power supply of this system is provided.The detecting unit of wherein powering is connected with system by control unit, and the charging by diverter switch control electrical energy storage device whether.
According to described electric power controller, wherein this power supply detecting unit of this system comprises at least: current-limiting resistance, comparing unit and power conversion unit.
According to described electric power controller, wherein this comparing unit cross-over connection is in the output of this current-limiting resistance/go into end.
According to described electric power controller, wherein this power conversion unit is a voltage conversion circuit.
According to described electric power controller, wherein this comparing unit is an operational amplifier.
According to described electric power controller, wherein this current-limiting resistance is the circuit that a plurality of resistance are formed.
According to described electric power controller, wherein this control unit is the keyboard control chip that is coupled to South Bridge chip in this system.
According to described electric power controller, wherein this control unit couples the processor of this system, to control this processor frequency reducing operation.
According to described electric power controller, wherein this control unit couples the processor of this system, to control this drop processor voltage operation.
Management method flow process of the present utility model comprises: start power supply, detect total amount of power supply of power supply, the consumes power of detection system, then, detect the electric weight of electrical energy storage device, the relatively total amount of power supply of power supply and the consumes power of system are charged to electrical energy storage device to judge whether enough dump energies again, and voltage or frequency reducing measure fall in the processor with whether to system.
Description of drawings
Fig. 1 is the block schematic diagram of known technology power management;
Fig. 2 is the schematic diagram of the utility model electric power controller;
Fig. 3 is the schematic diagram of the utility model electric power controller embodiment;
Wherein, description of reference numerals is as follows:
12 charge controllers
101 feedback signals
15 batteries
14 feed regulator isolators
16 systems
10 power supplys
18a, 18b, 18c periphery
20 power supplys
22 power supply detecting units
24 switch units
26 electrical energy storage devices
28 systems
29 control units
31 first current-limiting resistances
32 second current-limiting resistances
33 first comparing units
34 second comparing units
35 power conversion units
281 processors
Embodiment
A kind of electric power controller, electric weight by comparison system provides and consumes and uses controller to reach intrasystem power management, can use the technology of lower-wattage power supply effectively, in addition, except that the supply system electricity consumption, can also be effectively to battery charge, and cooperate that voltage falls in central processing unit, frequency reducing work promotes power consumption efficiency.Preferred embodiment of the present utility model below is described in detail in detail, and its practical application can be used in this embodiment equivalence, but is not limited to the narration at this.
When electric power controller described in the utility model is powered in system, can dynamically adjust electrical energy storage device (as battery) is wherein charged, when system's total consumed power surpasses specific watt (Watt) number that power supply provided, electric power controller stops at once automatically to battery charge, even system processor done frequency reducing, falls voltage operation, and after system's electricity consumption is normal, whether can detect dump energy enough to this electrical energy storage device charging, give the appropriate voltage charging.
For instance, use the power supply of 130 watts of power supply capacities as system, and the electrical energy storage device of coupling system (as battery) charging maximum power itself is 40 watts, if but system does not contain outside the battery charge power demand, needing maximum consumption power is 130 watts, if simultaneously supply system's electricity consumption with to battery charge, the power of power supply supply will not apply use, in the case, embodiments of the invention can interrupt the charging to battery, and detection system electricity consumption at any time has not change, if system's electricity consumption reduces, and dump energy can reach battery charge power, then can charge with required power to battery automatically.
If system's total consumed power surpassed power supply the electric energy of confession; at this moment; oneself does not consider the electricity consumption of battery charge, and the detection signal that produce in the system this moment is passed to system, but flog system is done the frequency reducing action to its processor; or the power supply changeover device of processor is wherein done to fall the action of voltage; with the power supply balance of protection power supply and system, unlikely damage or deadlock, and during frequency reducing or falling voltage; detect the power supply situation, with the normal operation of recovery system at any time.
See also the schematic diagram of electric power controller shown in Figure 2, external power source 20 couples power supply detecting unit 22, power supply detecting unit 22 is gone back coupling system 28, and couple by switch unit 24 and electrical energy storage device 26, wherein, electrical energy storage device 26 provides system 28 required DC power supply, and detects power supply situation with comparison system 28 electricity consumptions and power supply 20 at any time or periodically by power supply detecting unit 22; When 28 power supplies of 20 pairs of systems of power supply and operation, power supply detecting unit 22 learns by comparative result whether power supply 20 power supplies have enough dump energies, open by control unit 29 control switch units 24, make 26 chargings of 20 pairs of electrical energy storage devices of power supply, and work as power supply 20 electric power thus supplied deficiencies to electrical energy storage device 26 chargings, then control unit 29 is closed the circuit of switch unit 24, ends charging; In addition, if power supply 20 electricity shortages are to system's 28 power supplies, except that ending also can to do voltage or the frequency reducing measure of falling by 29 pairs of consuming components such as system's 28 inner treaters of control unit to electrical energy storage device 26 chargings.
Above-mentioned control unit 29 can be the control chip that couples power supply detecting unit 22, system 28 and electrical energy storage device 26, also can be the integrated circuit (IC) in the system of being arranged at 28, the use of this integrated circuit can be continued to use system's 28 chips, as be coupled to the keyboard control chip (keyboard controller) of South Bridge chips (South Bridge) in the system 28, also can be the specially designed control chip of the utility model.
And device schematic diagram shown in Figure 3 is one of most preferred embodiment of the present utility model, wherein can comprise current-limiting resistance 31 at the power supply detecting unit 22 shown in Fig. 2,32, comparing unit 33,34 with power conversion unit 35, wherein power supply 20 couples first current-limiting resistance 31, and by the output of first comparing unit, 33 cross-over connections, first current-limiting resistance 31/go into end, and couple power conversion unit 35, this power conversion unit 35 is that power supply 20 is for providing the voltage conversion circuit of the required electric energy of connected system 28 work, its voltage transitions that power supply 20 is imported is the required various voltages of various systems 28 inner members, as import 20V, 5V that converting system 28 is required etc., system 28 inside also are provided with a plurality of elements, processor 281 as shown in FIG., system 28 also can be by electrical energy storage device 26 power supply, and accepts the control signal of control unit 29, as processor 281 being done frequency reducing or falling the requirement of voltage.
First comparing unit 33 couples control unit 29, send the comparative result of the electricity consumption of the power supply of power supply 20 and system 28 to control unit 29, switch unit 24 be opened or be closed to control unit 29 whether can this comparative result decision, make beginning or end 26 chargings of 20 pairs of electrical energy storage devices of power supply, or system's 28 inner treaters 281 are done fall voltage or frequency reducing operation.
If 20 pairs of electrical energy storage devices of switch unit 24 power-on, 26 chargings, charging current is through 26 chargings of 32 pairs of electrical energy storage devices of second current-limiting resistance, and the output/input of second comparing unit, 34 cross-over connections, second current-limiting resistance 32 is to detect the charged state of electrical energy storage device 26.
The circuit structure that above-mentioned first current-limiting resistance 31 and second current-limiting resistance 32 compose in parallel for a plurality of resistance, be used to produce pressure drop, when electric current through out-of-date, the big more then pressure drop of electric current is big more, amplify this signal by first comparing unit 33 and second comparing unit 34 respectively again, so comparing unit 33,34 can be the configuration of operational amplifier (OP Amp), to obtain output/the go into potential difference between the end, when learning power supply 20 power supplies, after the electricity consumption situation of system 28 and electrical energy storage device 26, the result is reached control unit 29, through comparing a voltage default value, whether decision has enough electric energy to electrical energy storage device 26 chargings, or forces system's 28 inner treaters 281 to fall voltage or frequency reducing.By said apparatus protection power supply 20, it is excessive and burn to make it be unlikely power consumption, also can provide system 28 stablize electric weight, reaches the efficient of lifting electricity consumption and system works.
The state of system's electricity consumption comprises normal boot-strap state, armed state, idle state, off-mode etc., and under the compounding practice system, normal operating condition, armed state and resting state etc. is arranged then.Electric power controller described in the utility model also can be to each does detection with electricity condition in the system 28, with the charging power supply of dynamic adjustment to electrical energy storage device 26, as await orders and resting state, because this moment is less to system's power supply, can remain enough electric weight to electrical energy storage device 26 chargings.
In sum, the utility model is an electric power controller, can reach power supply by its device with smaller power, carry out system's power supply and battery charge efficiently, and when electricity shortage, can make system's inner treater give frequency reducing and the measure of falling voltage, real is rare innovation article, and the value on the tool industry.
The above is a preferred embodiment of the present utility model only, is not in order to restriction the utility model, so the equivalent structure that uses the utility model specification and accompanying drawing content to be done such as changes, all is contained in the scope of patent protection of the present utility model, closes and gives Chen Ming.
Claims (9)
1. an electric power controller is characterized in that, comprises at least:
Power supply provides system's electricity consumption;
The power supply detecting unit is coupled to this power supply and this system, with at any time or periodicity detect the power supply situation of this system's electricity consumption and this power supply;
Control unit couples the control chip of this power supply detecting unit, this system and diverter switch;
Switch unit couples this control unit, for controlling the contactor of this power supply to this electrical energy storage device charging; And
Electrical energy storage device couples this power supply detecting unit via this diverter switch, and the DC power supply of this system is provided.
2. electric power controller as claimed in claim 1 is characterized in that, this power supply detecting unit of this system comprises at least: current-limiting resistance, comparing unit and power conversion unit.
3. electric power controller as claimed in claim 2 is characterized in that, this comparing unit cross-over connection is between the output and input of this current-limiting resistance.
4. electric power controller as claimed in claim 2 is characterized in that, this power conversion unit is a voltage conversion circuit.
5. electric power controller as claimed in claim 2 is characterized in that, this comparing unit is an operational amplifier.
6. electric power controller as claimed in claim 2 is characterized in that, this current-limiting resistance is the circuit that a plurality of resistance are formed.
7. electric power controller as claimed in claim 1 is characterized in that, this control unit is the keyboard control chip that is coupled to South Bridge chip in this system.
8. electric power controller as claimed in claim 1 is characterized in that this control unit couples the processor of this system, to control this processor frequency reducing operation.
9. electric power controller as claimed in claim 1 is characterized in that this control unit couples the processor of this system, to control this drop processor voltage operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620006667 CN2901666Y (en) | 2006-03-28 | 2006-03-28 | Power source managing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620006667 CN2901666Y (en) | 2006-03-28 | 2006-03-28 | Power source managing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2901666Y true CN2901666Y (en) | 2007-05-16 |
Family
ID=38085830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620006667 Expired - Lifetime CN2901666Y (en) | 2006-03-28 | 2006-03-28 | Power source managing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2901666Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102763075A (en) * | 2010-09-30 | 2012-10-31 | 英特尔公司 | Storage drive management |
| CN101807102B (en) * | 2009-02-12 | 2013-04-17 | 纬创资通股份有限公司 | Power signal detection system, method and portable electronic device |
| CN103818123A (en) * | 2012-05-02 | 2014-05-28 | 青岛海信智能商用***有限公司 | Power supply circuit of portable thermosensitive printer |
| CN103891085A (en) * | 2011-09-09 | 2014-06-25 | 丁景信 | Power management device |
| CN104502670A (en) * | 2014-12-25 | 2015-04-08 | 小米科技有限责任公司 | Voltage detecting device, battery and voltage detecting method |
| CN104615226A (en) * | 2015-02-12 | 2015-05-13 | 联想(北京)有限公司 | Power supply management system and power supply management method |
| CN106026320A (en) * | 2016-06-22 | 2016-10-12 | 广州致远电子股份有限公司 | Data acquisition equipment and power supply device thereof, and power supply method |
| US9728958B2 (en) | 2013-11-20 | 2017-08-08 | Hon Hai Precision Industry Co., Ltd. | Current electronic distributing device |
| CN107817886A (en) * | 2017-11-10 | 2018-03-20 | 合肥联宝信息技术有限公司 | A kind of method for controlling power supply and electronic equipment |
| CN108135683A (en) * | 2015-10-16 | 2018-06-08 | 博朗有限公司 | The method of personal hygiene device and control personal hygiene device |
| CN113885687A (en) * | 2021-09-29 | 2022-01-04 | 联想(北京)有限公司 | Processing method and electronic equipment |
-
2006
- 2006-03-28 CN CN 200620006667 patent/CN2901666Y/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807102B (en) * | 2009-02-12 | 2013-04-17 | 纬创资通股份有限公司 | Power signal detection system, method and portable electronic device |
| CN102763075B (en) * | 2010-09-30 | 2016-07-06 | 英特尔公司 | Memory driver manages |
| CN102763075A (en) * | 2010-09-30 | 2012-10-31 | 英特尔公司 | Storage drive management |
| CN103891085A (en) * | 2011-09-09 | 2014-06-25 | 丁景信 | Power management device |
| CN103891085B (en) * | 2011-09-09 | 2016-10-12 | 丁景信 | Electric power controller |
| CN103818123A (en) * | 2012-05-02 | 2014-05-28 | 青岛海信智能商用***有限公司 | Power supply circuit of portable thermosensitive printer |
| US9728958B2 (en) | 2013-11-20 | 2017-08-08 | Hon Hai Precision Industry Co., Ltd. | Current electronic distributing device |
| CN104502670A (en) * | 2014-12-25 | 2015-04-08 | 小米科技有限责任公司 | Voltage detecting device, battery and voltage detecting method |
| WO2016101484A1 (en) * | 2014-12-25 | 2016-06-30 | 小米科技有限责任公司 | Voltage detection apparatus, battery, and voltage detection method |
| CN104615226A (en) * | 2015-02-12 | 2015-05-13 | 联想(北京)有限公司 | Power supply management system and power supply management method |
| CN108135683A (en) * | 2015-10-16 | 2018-06-08 | 博朗有限公司 | The method of personal hygiene device and control personal hygiene device |
| CN108135683B (en) * | 2015-10-16 | 2021-04-06 | 博朗有限公司 | Personal hygiene device and method of controlling a personal hygiene device |
| CN106026320A (en) * | 2016-06-22 | 2016-10-12 | 广州致远电子股份有限公司 | Data acquisition equipment and power supply device thereof, and power supply method |
| CN107817886A (en) * | 2017-11-10 | 2018-03-20 | 合肥联宝信息技术有限公司 | A kind of method for controlling power supply and electronic equipment |
| CN107817886B (en) * | 2017-11-10 | 2021-08-17 | 合肥联宝信息技术有限公司 | Power supply control method and electronic equipment |
| CN113885687A (en) * | 2021-09-29 | 2022-01-04 | 联想(北京)有限公司 | Processing method and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Kaibo computer (Kunshan) Co. Ltd. Assignor: Lantian Computer Co., Ltd. Contract record no.: 2010990000649 Denomination of utility model: Computer electric power management device and method Granted publication date: 20070516 License type: Exclusive License Record date: 20100817 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Kaibo computer (Kunshan) Co. Ltd. Assignor: Lantian Computer Co., Ltd. Contract record no.: 2010990000649 Denomination of utility model: Computer electric power management device and method Granted publication date: 20070516 License type: Exclusive License Record date: 20100817 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070516 |
|
| EXPY | Termination of patent right or utility model |