201131348 六、發明說明： 【發明所屬之技術領域】 本發明係指一種電源管理方法、電源管理裝置及可攜式電腦系 統，尤指一種可根據電池電量，適應性地調整系統運作情形的電源 管理方法、電源管理裝置及可攜式電腦系統。 【先前技術】 隨著科技的發展與產業的進步，可攜式電子裝置，如筆記变電 細、行動電話、相機、MP3播放器等，在日常生活中被使用的機會 也大幅增加。為了方便使用者隨身攜帶，可攜式電子裝置皆配備有 用來儲存電力的充電電池，以提供可攜式電子裝置運作時所需的電 力。此外’為了達到節能減碳’越來越多電子裝置配備有太陽能發 電模組，如手錶、計算機、電子相框等，而配合太陽能發電模組的 運作，這些電子裝置亦設置有充電電池。201131348 VI. Description of the Invention: [Technical Field] The present invention relates to a power management method, a power management device, and a portable computer system, and more particularly to a power management capable of adaptively adjusting a system operation condition according to battery power. Method, power management device and portable computer system. [Prior Art] With the development of technology and the advancement of the industry, the opportunities for portable electronic devices, such as notes, mobile phones, cameras, MP3 players, etc., are greatly increased in daily life. For the convenience of the user to carry around, the portable electronic device is equipped with a rechargeable battery for storing power to provide the power required for the portable electronic device to operate. In addition, in order to achieve energy saving and carbon reduction, more and more electronic devices are equipped with solar power generation modules, such as watches, computers, electronic photo frames, etc., and in conjunction with the operation of solar power modules, these electronic devices are also provided with rechargeable batteries.
充電電池是-種可重覆進行充、放電運作的儲能裝置，可於無 外部電源時，釋放所儲存的電能，以驅動電子裝置正常運作。換I 二3=所儲存的電量直接影響相關電子裝置在無外部電_ 201131348 目標之 0此如何適當減少電子裝置的電 時的可操作日物，也就成為業界所努力的，，叫絲外部電源 【發明内容】 因此，本發明之主要目的即在 管理裝置及可氣電_統。^、―«辭财法、電源 包含=揭=電源管理方法’用於-電子裝置，該電子裝置 3電池，該電源管理方法包含有於爷雷；^ 運作所需之電源時’偵測該電池之電量:以產„該電池供: 根據該_結果，調整該電子裝置之運作測結果；以及 置包mr電源管理裝置’用於—電子裝置’該電子裝 裝置係由該電池供錢_需之 ^早7"，用來於該電子 生—伯、_ ㈣之為4，偵測該電池之電量，以產 子果，以及—控制單71，用來根據該_結果，調整該電 子攻置之運作情形，以控制該電子裝置之耗電量。 含有另揭露一 Γ攜式電腦系統’可提升可攜使用時間，包 來儲广核組’貫現該可攜式電腦系統之功能；一電池，用 運以及-電源營理裝置，包含有—偵測單元，用來於該 且係由該電池供應運作所需之電源時，_該電池之電量’ 201131348 以產生-躺結果；以及-控制單元，帛絲獅制結果，調整 該運作模組之運讀形’喻繼可攜式電齡統之耗電量。 【實施方式】 凊參考第1圖，第1圖為本發明實施例一電子裝置1〇之示意 圖。電子裝置10絲雜何可由電能驅動的電子產品、設備等，如 電腦系統、個人數位助理、電子相框、電子玩具等，主要由—運作 模，、且100電池102及-電源管理裝置104所組成。運作模組1〇〇 用來實現電子裝置1G的魏，其可依不同顧範_有不同之組成 兀件。例如，若電子裝置10係表示-電腦系統，則運作模組1〇〇 可以是中央處理器、記憶體、硬碟、主機板、顯示卡、榮幕·.·等必 要疋件的集合。電池102用來儲存電能，且所儲存之電能足以驅動 ，作模組100。電源管理裝置刚包含有一偵測單元娜及一控制 單凡108。偵測單S 106肖來於運作模組100係由電池102供應運 作所需，電源時，偵測電池1〇2之電量，並據以產生一偵測結果聰 予控制單το⑽。控解元⑽可娜細彳結果RST，調整運作模 組1〇0之運作情形，以控制運作模組励之耗電量。 戶鬥單來°兒，在電子裝置10中，當運作模組100係使用電池102 _ 之電纟匕時，偵測單元106會偵測電池102的電量，而控制單 _ 、丨據以°周整運作模組100的運作情形，以適時降低運作模組 】〇〇的耗雷晉，e 电里延長電池102的供電時間。如此一來，若電子裝置 201131348 ίο係一可攜式電子裝置， 間’以提升使用便利性。 則電源管理裝置ι〇4 可延長其可攜使用時 的/主思的是’第1圖所示之電子妒 神，本領域具通常知識者當可根據二:係 «運作方式。舉例來說，偵測單元1Q6的偵‘二二 :方：適時取得電池⑴2電量的資訊即可，例如可以採= 财=測電請之電量，或是採週_測方式（如每十秒偵測 一二人）專’且不限於此。偵測單元106所輸出的偵測結果咖不限 =任何形式’只要可供控制單元_讀即可。控制單元剛取得 偵測結果RST的方式可妓主域被賦，亦即絲要求偵測單元 7回傳_結果RST，或是被動接收偵測單元1〇6所輸出的偵測 '° T另外在第1圖中，偵測單元106與控制單元108間僅 由早-路徑連結，實際上’制結果RST的傳送亦可以是經其它元 件的轉發而達成。偵測單元106的控制方式應視系統需求而定，例 如可根據偵測結果RST’階層式地控制運作模組。關於控制單元1〇8 的運作方式，以下配合不同實施例說明。 。月參考弟2圖，第2圖為本發明實施例一可攜式電腦系統2〇 之不意圖，為求簡潔，其中僅顯示出可攜式電腦系統2〇的部分元 件。在第2圖中，一中央處理器2〇OA、一作業系統2〇〇β、一北橋 阳片组200C、一勞幕200D、一南橋晶片組200E、一硬碟2<)〇F、一 無線網卡200G、一光碟機200H、一處理器風扇2001及―網卡2〇〇j 201131348 :=f腦系統20之運作模組的-部分。然而，第2圖係舉 例祝明可攜錢腦祕2G可能包含的裝置或元件，實際上 繪不於此之元件亦可設於其中， 、 而邛刀70件亦了移除，端視設計需The rechargeable battery is an energy storage device that can repeatedly perform charging and discharging operations, and can release stored energy when there is no external power source to drive the electronic device to operate normally. Change I 2 3 = stored power directly affects the relevant electronic device in the absence of external power _ 201131348 target 0 how to properly reduce the electronic device's electricity when the operable objects, it has become the industry's efforts, called the wire outside BACKGROUND OF THE INVENTION Therefore, the main object of the present invention is to manage devices and gas-electric systems. ^, ― «Crystal method, power supply includes = Jie = power management method' for - electronic device, the electronic device 3 battery, the power management method includes the power supply; ^ when the power required for operation 'detects the The battery's power: to produce „the battery for: According to the _ result, adjust the operation result of the electronic device; and pack the mr power management device 'for the electronic device' the electronic device is powered by the battery _ Need to be early 7 ", used in the electronic life - Bo, _ (four) of 4, detect the battery's power, to produce fruit, and - control sheet 71, used to adjust the electronic attack according to the _ result The operating situation is controlled to control the power consumption of the electronic device. The utility model further comprises a portable computer system capable of improving the portable use time, and storing the function of the portable computer system; a battery, a transport and a power-operating device, including a detecting unit, for use in the power supply required by the battery supply, the battery power '201131348 to generate a lying result; - control unit, lion's lion results, The operation mode of the operation module is the power consumption of the portable battery system. [Embodiment] Referring to FIG. 1 , FIG. 1 is a schematic diagram of an electronic device 1 according to an embodiment of the present invention. The device 10 is composed of electronic products and devices driven by electric energy, such as a computer system, a personal digital assistant, an electronic photo frame, an electronic toy, etc., and is mainly composed of a working mode, and 100 batteries 102 and a power management device 104. The operation module 1 is used to implement the electronic device 1G, which can be composed of different components. For example, if the electronic device 10 represents a computer system, the operation module 1 can be A collection of necessary components such as a central processing unit, a memory, a hard disk, a motherboard, a display card, a glory screen, etc. The battery 102 is used to store electrical energy, and the stored electrical energy is sufficient to drive the module 100. Power management The device just includes a detecting unit Na and a control unit 108. The detecting unit S 106 is operated by the battery 102, and the power of the battery is detected when the power is supplied. To produce a detection result The system το(10). The control solution element (10) can fine-tune the result RST, and adjust the operation mode of the operation module 1〇0 to control the power consumption of the operation module excitation. In the electronic device 10, When the operation module 100 uses the battery 102__, the detection unit 106 detects the power of the battery 102, and the control unit _, according to the operation of the module 100 in time, to reduce in time Operation module] 耗 耗 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Ι〇4 can be extended when it is portable. The main idea is the electronic scorpion shown in Fig. 1. Those who have the usual knowledge in this field can work according to the second: series. For example, the detection unit 1Q6's detection 'two two: side: timely information on the battery (1) 2 power can be obtained, for example, you can use = financial = power measurement, or weekly measurement method (such as every ten seconds) It is not limited to detecting one or two people. The detection result output by the detecting unit 106 is not limited to any form 'as long as it can be read by the control unit_. The control unit just obtains the detection result RST in the manner that the primary domain is assigned, that is, the silk request detection unit 7 returns the _ result RST, or the passive detection detection unit 1 〇 6 outputs the detection '° T additionally In the first figure, the detection unit 106 and the control unit 108 are only connected by the early-path. In fact, the transmission of the result RST may also be achieved by forwarding of other components. The control mode of the detecting unit 106 should be determined according to the requirements of the system. For example, the operating module can be controlled hierarchically according to the detection result RST'. Regarding the operation mode of the control unit 1〇8, the following description will be made in conjunction with different embodiments. . Referring to FIG. 2, FIG. 2 is a schematic diagram of a portable computer system according to an embodiment of the present invention. For the sake of brevity, only a part of the portable computer system is displayed. In Fig. 2, a central processing unit 2〇OA, an operating system 2〇〇β, a north bridge positive film group 200C, a curtain 200D, a south bridge chip set 200E, a hard disk 2<)〇F, a Wireless network card 200G, a CD player 200H, a processor fan 2001, and a network card 2〇〇j 201131348: = part of the operating module of the brain system 20. However, Figure 2 is an example of a device or component that may be included in the 2G, but components that are not actually painted may also be placed in it, and 70 pieces of the file are also removed. need
’。，在可攜式電腦系統2〇 t，一電池2〇2用來館存運作所需 =電源’而-偵測單元綱及—控制軟體則用來實現本發明之 電源官理裝置。其中’偵測單元綱及控制軟體2G6之運作方式與 第1圖之偵測單元106及控制單元⑽相似，但控制軟體獅係一 建構於作鮮統时的程式,,來說，當可攜式電腦系統2〇 係由，池2〇2供應運作所需之電源時，偵測單元2〇4會偵啦池脱 之電並將制結果透過南橋晶片組麵傳送至作㈣统編 中控制軟體206，而控制軟體2〇6則據以調整各元件的運作情形， 以適時降健體耗電量，延長電池施的供電時間。 " 進-步地，在可攜式電腦系統2〇中，控制軟體較佳地採用 階層式電源管财式’調整各元件的運作情形1謂「階層式電源 管理方式」係指當可攜式電腦系統2〇係由電池2G2供應運作所需之 電源時’控制軟體206係根據電池202的電量，階段式地調整如中 央處理器200A的運作時脈、螢幕2〇〇D的亮度、硬碟2〇〇f的轉速 或啟閉…等元件的運作模式。在此情形下，控制軟體2%可預設有 多個運作設定，而每-運作設定對應於—電量區間。舉例來說，第 3圖為本發明實施例-運作設定表3〇之示意圖。運作設定表扣用 來提供控制軟體206控制各元件運作之依據；由上至下，依序對應 於電池202之電量為50%、30%、3%及0%時的四種運作設定；而 201131348 由左至右’分別對應於中央處理器2⑻ 2001 (RPM)^„. 2〇〇j ' 4ίΙ’. In the portable computer system 2〇t, a battery 2〇2 is used for the library operation = power supply and the detection unit and control software are used to implement the power supply device of the present invention. The operation unit of the detection unit and the control software 2G6 is similar to the detection unit 106 and the control unit (10) of Fig. 1, but the control software lion system is constructed in the program of the fresh system, so that when it is portable When the computer system 2 is used to supply the power required for operation, the detection unit 2〇4 will detect the power of the battery and transmit the result through the south bridge chipset to (4) control in the system. The software 206 and the control software 2〇6 adjust the operation of each component to reduce the power consumption of the body and extend the power supply time of the battery. " Further, in the portable computer system 2, the control software preferably adopts the hierarchical power supply management mode to adjust the operation of each component 1 means "hierarchical power management mode" means when portable When the computer system 2 is supplied with the power required for the operation of the battery 2G2, the control software 206 adjusts the operating clock of the central processing unit 200A, the brightness of the screen 2〇〇D, and the hard state according to the power of the battery 202. The operating mode of the components such as the speed of the disc 2〇〇f or the opening and closing. In this case, the control software 2% can be pre-configured with multiple operational settings, and the per-operational settings correspond to the --electricity interval. For example, FIG. 3 is a schematic diagram of an embodiment of the present invention - an operation setting table. The operation setting buckle is used to provide the control software 206 to control the operation of each component; from top to bottom, the four operational settings of the battery 202 are 50%, 30%, 3%, and 0%, respectively; 201131348 From left to right 'corresponding to CPU 2 (8) 2001 (RPM)^„. 2〇〇j ' 4ίΙ
的操作模式、硬碟200F的摔作楛彳丄 吴式…、線、.祠咔2〇〇G 勞幕細贼m=：t3=：：rH雜賴式以及 明控制軟體2料_運作方式，各 識5者應根據實際系統架構而適當調整。例如，_ Ϊ光碑機_模^3表^ 9Q%、_、_㈣亮度，硬碟 ^機的微㈣顺嫩情形吩_方面 2具通常知識者所熟知，中央處理器2〇〇八之運作時脈越低，中 、处理JA的耗電量越低’則可攜式電腦系統加的整體耗電量 ^跟著降低。同樣的’其它元件的運作情形亦會影響可攜式電腦系 =_體耗電量，藉此，控制軟體2〇6可延長可攜式_統 20的可攜使用時間。 詳細來說’當可攜式電腦系統20係由電池2〇2㈣運作所需之 電源時’制單元204會（連續或週期性地）_電池2()2之電量， 並將制結果透過南橋晶片組2赃傳送至作業系統2_中控制軟 體206。當伯測單元204的備測結果顯示電池搬❸電量大於5〇% 夺根據運作a又疋表30，控制軟體206會將中央處理器2〇0a之運 作時脈設定為333 MHz*9(即3.〇GHz)’將處理器風扇2⑽的轉速 设定為2800RPM ’將網卡200J '無線網卡2〇〇g、硬碟200F及光碟 機200H設定為開啟，以及將勞幕200D的亮度設定為「9」,,接著， 當電池202的電量持續降低而低於50%時，中央處理器2〇〇A、處理 201131348 器風扇靈、網卡雇及無_卡細g冑 的電量大於_時）的運作模式，但控制軟體挪會將硬碑電^ 及光碟機職操作於細式，並將螢幕細的亮度設定為⑷。 ==作3電池2〇2電量的減少，控制軟體206可適時調整各 門月/以降低耗電量，延長可攜式腦系統2〇的可播使 用呀間。Operation mode, hard disk 200F's fall 楛彳丄 Wu style..., line, .祠咔2〇〇G screen thief m=:t3=::rH miscellaneous and Ming control software 2 material _ operation mode The knowledge of each person should be appropriately adjusted according to the actual system architecture. For example, _ Ϊ光碑机_模^3表^9Q%, _, _ (four) brightness, hard disk ^ machine micro (four) smooth situation _ _ 2 known to the general knowledge, the central processor 2 〇〇 eight The lower the operating clock, the lower the power consumption of the medium and processing JAs, and the overall power consumption of the portable computer system is reduced. The same 'operational situation of other components will also affect the portable computer system = _ body power consumption, whereby the control software 2 〇 6 can extend the portable time of the portable system 20 . In detail, 'when the portable computer system 20 is powered by the battery 2〇2(4), the unit 204 will (continuously or periodically)_battery 2()2, and the result will be transmitted through the south bridge. The chip set 2 is transferred to the control software 206 in the operating system 2_. When the test result of the beta unit 204 shows that the battery is more than 5〇%, according to the operation a and the table 30, the control software 206 sets the operating clock of the central processing unit 2〇0a to 333 MHz*9 (ie, 3.〇GHz) 'Set the speed of the processor fan 2 (10) to 2800RPM 'Set the network card 200J 'Wireless network card 2〇〇g, hard disk 200F and CD player 200H to ON, and set the brightness of the screen 200D to " 9",, then, when the power of the battery 202 continues to decrease and is lower than 50%, the central processing unit 2A, processing the 201131348 fan spirit, the network card employment and the non-card fine g胄 power is greater than _) Operation mode, but the control software will move the hard monument and the CD player to operate in a fine manner, and set the brightness of the screen to (4). == 3 battery 2 〇 2 power reduction, control software 206 can be adjusted in time to reduce the power consumption, to extend the portable brain system 2 〇 broadcastable use.
一 f圖之财設絲3G僅絲控制她〇峨的㈣方式之 ，際上’亦可由使用者設定或選擇柯的運作設絲。例如， 根據運作設定表3G之内容，可將其定義為—高效能運作設定表，炎 =增加—最佳錢運作設絲仙及—常規運作設定表5〇，分別 圖及第5騎不。在輯形下，使用者可根據所f，由第3 〇 财麵姑的運作設絲，使控條體206可據以控 制各元件的運作情形。 ^第2圖所狄可攜錢«、統2〇或第3圖至第5圖所示之運作 ^料是用來本㈣之精神，實際上，不限於賴祕，其 二Γ，用電池作為驅動電源的電子裝置皆可採用本發明之架構。舉 :极說’若—電子相框採用—太陽能發電模組及—充電電池作為電 充、:裝i d線充足時，太陽能發賴纟且可轉電子相框並對 則可電^!細'充電。細’當紐不足而需細充電電池驅動時， 产°。仿前述之例，赠層式電源管理方式㈣f子滤的勞幕亮 又。例如’當電池電量介於50%與30%之間時，將營幕亮度設為 |i 9 201131348 60% ;當電池電量介於3〇%與1〇%之間時，將螢幕亮度設為4〇% ; 以及當電池電量低於10%時，關閉勞幕。 此外’除了調整電子裝置之運作外，當電池電量低於某一臨限 值時’亦可發出-警示訊號。以第2圖之控制軟體2〇6 4例，可進 一步設定當電池202之電量低於3%日寺，先發出一警示音後，再關 閉可攜式電腦系統20。然而，如何產生警示訊號或產生警示訊號的 時機皆非本發明所強調之重點，不應以此為限。 另-方面，在第i圖中，電源管理裝置1〇4係以功能方塊表示 相關運作情形，實際上，設計者應根·統需求，以適當方式實現 偵測單S 1G6及控鮮A 108，不限於軟體、硬體。㈣源管理裝 置的運作方式可進一步歸納為一電源管理流程6〇,如吕清 示。電源管理流程60包含以下步驟： — " 步驟600 :開始。A f map of the wealth of silk 3G only controls her (four) way, and the user can also set or choose Ke's operation. For example, according to the contents of the operation setting table 3G, it can be defined as - the high-efficiency operation setting table, the inflammation = increase - the best money operation setting silk and the - the normal operation setting table 5, respectively, and the fifth riding. Under the format, the user can set the wire according to the operation of the third financial face, so that the control body 206 can control the operation of each component. ^The operation of the figure shown in Figure 2 can be used for the spirit of this (4). In fact, it is not limited to Lai, and its battery is used. The electronic device as the driving power source can adopt the architecture of the present invention.举: 极 ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ The product is produced when the battery is driven by a small rechargeable battery. In the same way as the above, the gift-level power management method (4) f sub-filter is bright and bright. For example, when the battery power is between 50% and 30%, set the brightness of the camp to |i 9 201131348 60%; when the battery level is between 3〇% and 1〇%, set the screen brightness to 4〇%; and when the battery power is less than 10%, close the curtain. In addition, in addition to adjusting the operation of the electronic device, when the battery power is lower than a certain threshold, a warning signal can also be issued. According to the control software 2〇6 example of Fig. 2, it can be further set that when the battery 202 is lower than 3% of the temple, a warning tone is issued first, and then the portable computer system 20 is turned off. However, the timing of how to generate a warning signal or generate a warning signal is not the focus of the present invention and should not be limited thereto. On the other hand, in the figure i, the power management device 1〇4 indicates the relevant operation situation by function squares. In fact, the designer should implement the detection single S 1G6 and the control A 108 in an appropriate manner. Not limited to software or hardware. (4) The operation mode of the source management device can be further summarized into a power management process, such as Lu Qing. The power management process 60 includes the following steps: — " Step 600: Start.
步驟602 :於電子裝置10係由電池1〇2供應運作所… 時’偵測電池102之電量’以產生侧結果RST。而電源 調整電子裝置1〇 <運作情形， 步驟604 :根據偵測結果RST 以控制電子裝置10之耗電量。 步驟606 :結束。 電源管理流程60之詳細内容可參考前述說明，不予贅述 10 201131348 綜上所述’針對可由電池供應電源的電子裝置，本發明係透過 階層式的電源官理方式’適應性地調整電子裝置的運作情形，以適 時降低耗電量’延長電池的供電時間。 以上所述僅為本發明之較佳實施例，凡依本發明申請專利範圍 所做之均專變化與修飾，皆應屬本發明之涵蓋範圍。 【圖式簡單說明】 第1圖為本發明實施例一電子裝置之示意圖。 第2圖為本發明實施例一可攜式電腦系統之示意圖。 第3圖為本發明實施例一運作設定表之示意圖。 第4圖為本發明實施例一最佳省電運作設定表之示意圖。 第5圖為本發明實施例一常規運作設定表之示意圖。 第6圖為本發明實施例一電源管理流程之示意圖。 【主要元件符號說明】 10 電子裝置 100 運作模紐_ 102 電池 104 電源管理襄置 106 偵測單元 201131348 108 控制單元 RST 偵測結果 200A 中央處理器 200B 作業系統 200C 北橋晶片組 200D 螢幕 200E 南橋晶片組 200F 硬碟 200G 無線網卡 200H 光碟機 2001 處理器風扇 200J 網卡 202 電池 204 偵測單元 206 控制軟體 30 運作設定表 40 最佳省電運作設定表 50 常規運作設定表Step 602: When the electronic device 10 is operated by the battery 1〇2, the power of the battery 102 is detected to generate a side result RST. And the power adjustment electronic device 1 运作 < operation, step 604: according to the detection result RST to control the power consumption of the electronic device 10. Step 606: End. For details of the power management process 60, reference may be made to the foregoing description, and no further description is made. 10 201131348 In summary, the present invention relates to an electronic device capable of supplying power from a battery, and the present invention adaptively adjusts an electronic device through a hierarchical power supply management method. Operating conditions, in order to reduce power consumption in a timely manner 'to extend battery power supply time. The above are only the preferred embodiments of the present invention, and all changes and modifications made to the scope of the present invention should be covered by the present invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of an electronic device according to an embodiment of the present invention. FIG. 2 is a schematic diagram of a portable computer system according to an embodiment of the present invention. FIG. 3 is a schematic diagram of an operation setting table according to an embodiment of the present invention. FIG. 4 is a schematic diagram of an optimal power saving operation setting table according to an embodiment of the present invention. FIG. 5 is a schematic diagram of a conventional operation setting table according to an embodiment of the present invention. FIG. 6 is a schematic diagram of a power management process according to an embodiment of the present invention. [Main component symbol description] 10 Electronic device 100 Operation module _ 102 Battery 104 Power management device 106 Detection unit 201131348 108 Control unit RST detection result 200A CPU 200B Operating system 200C North bridge chipset 200D Screen 200E South bridge chipset 200F hard disk 200G wireless network card 200H optical disk player 2001 processor fan 200J network card 202 battery 204 detection unit 206 control software 30 operation setting table 40 optimal power saving operation setting table 50 general operation setting table