CN1399390A - Forced shut-off device and method for high-grade power interface assembly - Google Patents
Forced shut-off device and method for high-grade power interface assembly Download PDFInfo
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- CN1399390A CN1399390A CN 01124356 CN01124356A CN1399390A CN 1399390 A CN1399390 A CN 1399390A CN 01124356 CN01124356 CN 01124356 CN 01124356 A CN01124356 A CN 01124356A CN 1399390 A CN1399390 A CN 1399390A
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Abstract
The present invention discloses a forced shut-off device and method for one kind of high-grade configuration power interface. The high-grade configuration power interface is used to detect the state of battery and is connected to embedded controller and operation system. When the battery for information processing system has power capacity lowered to some low level, a signal is provided to the operation system and the operation system judges for forced shut-off before the battery is exhausted.
Description
Technical field
The present invention relates to a kind of forced shutdown device and method of senior configuration power interface, can be applicable to adopt the Portable information processing system of senior configuration power interface.
Background technology
Mobile computer is to research and develop at consumer's demand easy to carry.Mobile computer is that with the maximum different of desktop PC the former is dependent on battery operation sometimes fully.The length of battery life not only influences consumer's length service time, also can reach compact requirement and alleviates consumer's burden.Therefore, the power management function of battery becomes a most important ring in the mobile computer battery technology.
Increase battery life under the prerequisite that does not increase battery weight, two methods are arranged at present: (one) develops different battery materials aspect battery chemistries; (2) aspect power management, seek more high efficiency battery management technology.
Early stage all power managements all are by ROM-BIOS (Basic Input Output System is hereinafter to be referred as BIOS) control, for example: Advanced Program Zoom (Advanced Power Management is hereinafter to be referred as APM).But because of BIOS is the software between between operating system and hardware, instruction under the energy is all limited with decision, and BIOS is also quite limited for the understanding of required program characteristic of user and required electric power, by contrast, operating system (Operation System, be called for short: OS) understands and control range just extensively many, for example: when the user treats as word processor with mobile computer to use, do not need CPU to support, operating system can underspeed automatically with all strength.
Begin from nineteen ninety-five, industrial quarters is built consensus gradually, think that power management application operating system (OS) in mobile computer gives an order, because operating system (OS) can be directly and user's interaction, examine when operating system (OS) and to know that now certain partial function does not use, just can reduce its function automatically and lay in more electric energy to reduce electricity consumption.
Senior configuration power interface (Advanced Configuration and Power Interface, hereinafter to be referred as ACPI) be by companies such as Intel, Microsoft, TOSHIBA the common computer electric power management equipment of formulating, collocation hardware can detect the information such as voltage of motherboard temperature, rotation speed of the fan and power supply unit in operating system, and then suitable power supply and host work frequency is provided, and the effect that reaches efficient and power saving and deposit.
ACPI has in the operating system of going deep into to detect the user when, under which kind of situation to be needed and not to need which kind of function, and unified power management rule is provided, with the probability that reduces erroneous judgement and improve reliability, and definable and manage more battery saving mode; Information processing system is in normal operation, battery electric power can consume always, but the user selects to be failure to actuate in power shortage alarm signal (Low batteryalarm) option of operating system (OS), and when information processing system does not connect AC power adapter (AC-adapter) again, when the battery electric power of information processing system is reduced to dangerous low capacity (Critical lowbattery), information processing system is but to the user of information processing system, can't make any warning and prompting, cause information processing system to exhaust shutdown (Power Off) because of electric power, and abnormal shutdown (shutdown).
Based on above-mentioned situation, can have a strong impact on the normal operation of information processing system, cause user's puzzlement, even can not cause operating system (OS) running undesired because of the file modification data are write back hard disk, causing the damage of whole operation system, in fact is one problem to be solved to be arranged.
Summary of the invention
The objective of the invention is to propose a kind of forced shutdown device and method, exhaust that because of electric power shutdown (Power Off) is preceding, make forced shutdown (shutdown) action in information processing system.
The present invention is a kind of forced shutdown device of senior configuration power interface, detect the state of battery electric power and reach embedded controller by senior configuration power interface, when the battery electric power of information processing system is reduced to low capacity, embedded controller provides an interrupt signal to operating system (OS), operating system (OS) is sent inquiry to senior configuration power interface after receiving interrupt signal, and the preset signals that the senior configuration power interface of foundation is replied judges, make operating system (OS) before information processing system is exhausted shutdown because of electric power, make the action of forced shutdown.
The forced shutdown device of a kind of senior configuration power interface provided by the present invention, be arranged at a Portable information processing system, forced shutdown when the battery of this Portable information processing system is reduced to low capacity, this device comprises: a senior configuration power interface, an embedded controller and an operating system (OS); Set a hazard standard signal and be sent to the setting of this operating system (OS) work one hazard standard by this senior configuration power interface, this senior configuration power interface detects the remaining battery electric power of this Portable information processing system and produces a battery electric power signal and be sent to this embedded controller, this embedded controller calculates the remaining battery electric power of this Portable information processing system and sends a system interrupt signals to operating system (OS) when battery is reduced to low capacity, and this senior configuration power interface proposes a system interrogation signal and carries out forced shutdown according to the default precarious position signal that surpasses the hazard standard signal that this senior configuration power interface is passed back.
The present invention also provides a kind of forced shutdown method of senior configuration power interface, comprises following steps: detect remaining battery electric power; Judge whether remaining battery electric power is lower than default battery capacity; Be not less than preset capacity if judge remaining battery electric power, then proceed to detect remaining battery electric power; Be lower than preset capacity if judge remaining battery electric power, then send a default precarious position signal of hazard standard signal that surpasses to operating system; The forced system shutdown.
Relevant detailed content of the present invention and technology are existing as follows with regard to accompanying drawings.
Description of drawings
Fig. 1 is the calcspar of the forced shutdown device of the senior configuration power interface of the present invention.
With reference to the calcspar of Fig. 1 for the forced shutdown device of the senior configuration power interface of the present invention.
Fig. 2 is the flow chart of the forced shutdown method of the senior configuration power interface of the present invention.
Embodiment
With reference to Fig. 1, the present invention is a kind of forced shutdown device of senior configuration power interface, and this device comprises: senior configuration power interface (ACPI) 10, embedded controller (Embedded Controller is called for short: " EC ") 20, operating system (OS) 30.
Senior configuration power interface 10 is the management equipments that are used for Portable information processing system power supply, can detect remaining battery electric power.Senior configuration power interface 10 comprises again:
Battery management module (Bartery management) 11, machine language program module (ACPI controlmethod Machine Language is called for short: " AML ") 12.
Embedded controller 20 is the remaining battery electric power that is used to calculate the Portable information processing system.
With reference to Fig. 2, the present invention sets a hazard standard signal with machine language program module (AML) 12, and this hazard standard signal is sent to operating system (OS) 30, makes a hazard standard initial setting.
The Portable information processing system is when normal operation, the battery management module 11 of senior configuration power interface 10, be responsible for detecting the power state of remaining battery and producing a battery electric power signal, the battery electric power signal is reached embedded controller 20,20 counting cell dump powers of embedded controller, when battery electric power was reduced to dangerous low capacity (Critical low battery), 20 of embedded controllers sent a system interrupt signals to operating system (OS) 30.
After operating system (OS) 30 is received this system interrupt signals, to machine language program module 12 a system interrogation signal is proposed, 12 of the machine languages of senior configuration power interface are responded the precarious position signal that surpasses the hazard standard signal of presetting, reach operating system (OS) 30, operating system (OS) 30 judgement Portable information processing systems are caused danger, do the action of forced shutdown (shutdown).
The above-described precarious position signal that surpasses is to preset in order to make operating system (OS) 30 do the forced shutdown action, and non-Portable information processing system is really caused danger, hereby explanation.
Be example below for the present invention surpasses the normal temperature of setting with regard to temperature, illustrated example is as follows: setting 50 degree Celsius with machine language program module (AML) 120 is a temperature standard signal, and this temperature standard signal is sent to operating system (OS) 30, make a temperature standard initial setting.
The remaining battery electric power of Portable information processing system, battery management module 11 by senior configuration power interface 10 is responsible for detection, and produce a battery electric power signal, and the battery electric power signal reached embedded controller 20,20 responsible counting cell dump powers of embedded controller, under information processing system normal operation situation, battery electric power then constantly is consumed, when battery electric power was reduced to dangerous low capacity (Critical low battery), 20 of embedded controllers sent a system interrupt signals to operating system (OS) 30.
After operating system (OS) 30 is received this system interrupt signals, then to machine language program module 12 proposes one " whether temperature is too high in system? " request signal, after the machine language 12 of senior configuration power interface is received this system temperature request signal, then respond default " system temperature is 75 a degree Celsius " High Temperature signal to operating system (OS) 30, inform that operating system (OS) 30 these Portable information processing systems have surpassed the normal temperature of setting 50 degree Celsius, operating system (OS) 30 judgement system high temperature are caused danger, do the action of forced shutdown.
Above-described High Temperature standard signal is to preset in order to make operating system (OS) 30 do the forced shutdown action, and the genuine Yin Gaowen of non-Portable information processing system causes danger, hereby explanation.
The forced shutdown device of senior configuration power interface of the present invention, be used for doing the forced shutdown action before the running down of battery, can avoid information processing system to exhaust that because of electric power operating system (OS) that shutdown causes running is undesired, the damage of operating system even, also can promote the effect that ACPI reaches efficient and power saving and deposits, guarantee the normal operation of information processing system.
Though the present invention discloses as above with aforesaid preferred embodiment; right its is not in order to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention should be with being as the criterion that the claim scope is defined.
Claims (5)
1. the forced shutdown device of a senior configuration power interface, be arranged at a Portable information processing system, forced shutdown when the battery of this Portable information processing system is reduced to low capacity, this device comprises: a senior configuration power interface, an embedded controller and an operating system (OS);
It is characterized in that: set a hazard standard signal and be sent to this operating system (OS) by this senior configuration power interface and do hazard standard setting, this senior configuration power interface detects the remaining battery electric power of this Portable information processing system and produces a battery electric power signal and be sent to this embedded controller, this embedded controller calculates the remaining battery electric power of this Portable information processing system and sends a system interrupt signals to operating system (OS) when battery is reduced to low capacity, and this senior configuration power interface proposes a system interrogation signal and carries out forced shutdown according to the default precarious position signal that surpasses the hazard standard signal that this senior configuration power interface is passed back.
2. the forced shutdown device of senior configuration power interface as claimed in claim 1, this senior configuration power interface device comprises:
One battery management module is used to detect remaining battery electric power, and data-signal is reached embedded controller; And
One machine language program module in order to default hazard standard signal and receive the system interrogation signal of operating system (OS), provides this operating system (OS) default precarious position signal.
3. the forced shutdown device of senior configuration power interface as claimed in claim 1, wherein this hazard standard signal is a temperature standard signal.
4. the forced shutdown device of senior configuration power interface as claimed in claim 1, wherein this precarious position signal is a High Temperature signal.
5. the forced shutdown method of a senior configuration power interface comprises following steps:
Detect remaining battery electric power;
Judge whether remaining battery electric power is lower than default battery capacity;
Be not less than preset capacity if judge remaining battery electric power, then the continuous remaining battery electric power that detects of dimension;
Be lower than preset capacity if judge remaining battery electric power, then send a default precarious position signal of hazard standard signal that surpasses to operating system;
The forced system shutdown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011243562A CN1148855C (en) | 2001-07-27 | 2001-07-27 | Forced shut-off device and method for high-grade power interface assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011243562A CN1148855C (en) | 2001-07-27 | 2001-07-27 | Forced shut-off device and method for high-grade power interface assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1399390A true CN1399390A (en) | 2003-02-26 |
| CN1148855C CN1148855C (en) | 2004-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011243562A Expired - Fee Related CN1148855C (en) | 2001-07-27 | 2001-07-27 | Forced shut-off device and method for high-grade power interface assembly |
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| Country | Link |
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| CN (1) | CN1148855C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100414479C (en) * | 2005-05-14 | 2008-08-27 | 深圳市顶星数码网络技术有限公司 | Method for protecting cells in notebook computer |
| CN102467214A (en) * | 2010-11-05 | 2012-05-23 | 英业达股份有限公司 | Power management method |
-
2001
- 2001-07-27 CN CNB011243562A patent/CN1148855C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100414479C (en) * | 2005-05-14 | 2008-08-27 | 深圳市顶星数码网络技术有限公司 | Method for protecting cells in notebook computer |
| CN102467214A (en) * | 2010-11-05 | 2012-05-23 | 英业达股份有限公司 | Power management method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1148855C (en) | 2004-05-05 |
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Granted publication date: 20040505 Termination date: 20120727 |