JP2006027144A - Apparatus with energy saving mode - Google Patents

Apparatus with energy saving mode Download PDF

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JP2006027144A
JP2006027144A JP2004210792A JP2004210792A JP2006027144A JP 2006027144 A JP2006027144 A JP 2006027144A JP 2004210792 A JP2004210792 A JP 2004210792A JP 2004210792 A JP2004210792 A JP 2004210792A JP 2006027144 A JP2006027144 A JP 2006027144A
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energy saving
saving mode
control unit
power source
detection sensor
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JP4546782B2 (en
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Hiroyuki Endo
洋之 遠藤
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Ricoh Co Ltd
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Ricoh Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an apparatus with an energy saving mode capable of preventing malfunction due to a sensor input noise during an energy saving mode. <P>SOLUTION: The apparatus with an energy saving mode, in which a normal circuit power supply VS is turned off to enable operation by an energy saving mode power supply VE, comprises a power on/off means 11 for turning on/off the normal circuit power supply VS, a reset factor sensor 13, and an energy saving mode control unit 9 for turning on/off the energy saving mode by inputting information from the reset factor sensor 13 to control the power on/off means 11. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、省エネモード（省エネルギーモード）を有する機器、例えば、複写機、プリンタなどの画像形成装置に関する。   The present invention relates to an apparatus having an energy saving mode (energy saving mode), for example, an image forming apparatus such as a copying machine or a printer.

通常回路用電源ＶＳをオフし、省エネモード用電源ＶＥによる動作を可能にした省エネモードを持つ機器において、省エネモード中に機器動作の要求として各種センサ入力がある。これは、例としては復帰スイッチの押下、原稿セット検知センサのオン等があげられる。この復帰要因を検知している入力ポートには、ノイズ除去用のフィルタ回路を設けている場合が多い。これは、ノイズ等での誤動作を防止するためのものである。関連する技術として、例えば特許文献１に示すものがある。
特開平０８−２５４９２２号公報 In a device having an energy saving mode in which the normal circuit power source VS is turned off and the operation by the energy saving mode power source VE is enabled, various sensor inputs are required as device operation requests during the energy saving mode. For example, the return switch is pressed, the document set detection sensor is turned on, and the like. In many cases, a filter circuit for noise removal is provided at an input port that detects this recovery factor. This is to prevent malfunction due to noise or the like. As a related technique, for example, there is one shown in Patent Document 1.
JP 08-254922 A

通常動作中には入力ポートからの情報をすばやく処理する必要があるために強い特性のフィルタ回路を挿入することは困難だが、省エネモード中は、機器動作のリアルタイム性が通常時より小さいので、従来は通常時に合わせた必要以上に弱いフィルタ回路を挿入している。従って、ノイズによる誤動作が発生するという問題があった。
本発明は、省エネモード中にセンサ入力のノイズによる誤動作を防止できる、省エネモードを有する機器を提供することを目的とする。 Although it is difficult to insert a filter circuit with strong characteristics because it is necessary to quickly process information from the input port during normal operation, the real-time operation of the device is smaller than normal during energy saving mode. Inserts a filter circuit that is weaker than necessary for normal use. Therefore, there is a problem that malfunction due to noise occurs.
An object of this invention is to provide the apparatus which has an energy saving mode which can prevent the malfunctioning by the noise of a sensor input during an energy saving mode.

上記目的を達成するために、請求項１記載の発明は、通常回路用電源ＶＳをオフし、省エネモード用電源ＶＥによる動作を可能にした省エネモードを有する機器において、前記通常回路用電源ＶＳを断接する電源断接手段と、復帰要因検知センサと、該復帰要因検知センサからの情報を入力し前記電源断接手段を制御して省エネモードの断接を行う省エネモード制御部を備えたことを特徴とする。
請求項２記載の発明は、請求項１記載の省エネモードを有する機器において、前記省エネモード制御部前段に挿入されているＲＣフィルタ回路の抵抗を可変にして時定数を切り替えることを特徴とする。
請求項３記載の発明は、請求項１記載の省エネモードを有する機器において、前記省エネモード制御部前段に挿入されているＲＣフィルタ回路のコンデンサの容量を可変にして時定数を切り替えることを特徴とする。 In order to achieve the above object, the invention according to claim 1 is a device having an energy saving mode in which the normal circuit power source VS is turned off and the operation by the energy saving mode power source VE is enabled. A power connection / disconnection means for connecting / disconnecting, a return factor detection sensor, and an energy saving mode control unit for inputting / outputting information from the return factor detection sensor and controlling the power connection / disconnection means to connect / disconnect the energy saving mode. Features.
According to a second aspect of the present invention, in the device having the energy saving mode according to the first aspect, the time constant is switched by changing the resistance of the RC filter circuit inserted in the preceding stage of the energy saving mode control unit.
The invention according to claim 3 is characterized in that, in the device having the energy saving mode according to claim 1, the time constant is switched by changing the capacitance of the capacitor of the RC filter circuit inserted before the energy saving mode control unit. To do.

本発明では、通常回路用電源ＶＳをオフし、省エネモード用電源ＶＥによる動作を可能にした省エネモードを有する機器において、通常回路用電源ＶＳを断接する電源断接手段と、復帰要因検知センサと、復帰要因検知センサからの情報を入力し電源断接手段を制御して省エネモードの断接を行う省エネモード制御部を備え、省エネモード制御部前段に挿入されているＲＣフィルタ回路の抵抗を可変にして、あるいはコンデンサの容量を可変にして時定数を切り替えることで、所期の目的を達成することができる。   In the present invention, in a device having an energy saving mode in which the normal circuit power source VS is turned off and the operation by the energy saving mode power source VE is enabled, a power connection / disconnection means for connecting / disconnecting the normal circuit power source VS, a return factor detection sensor, , Equipped with an energy saving mode control unit that inputs information from the return factor detection sensor and controls the power connection / disconnection means to connect / disconnect the energy saving mode, and the resistance of the RC filter circuit inserted before the energy saving mode control unit is variable Alternatively, the intended purpose can be achieved by switching the time constant by changing the capacitance of the capacitor.

以下、図面を参照して、本発明の実施形態を詳細に説明する。
図１は本発明の実施の形態に係る画像形成装置のブロック図である。本装置は、装置全体の制御を行うＣＰＵ１、ＲＯＭ２、ＲＡＭ３、画像メモリ４、画像処理部５、操作部６、電装制御部７、電源８、省エネモード制御部（省エネモード制御部）９を備える。
電装制御部７では、本装置が内蔵する電装品のメカコントロール制御全般のＩ／Ｆを行う。電源８では、ＡＣ入力電源を装置内部で使用するＤＣ電源に変換して、各種電源（通常回路用電源ＶＳ、省エネモード用電源ＶＥ）を出力する。省エネモード制御部９では、省エネモード中の制御を行う。
図２は省エネモードブロック図である。省エネモード用電源ＶＥは、省エネモードオンブロック１０および省エネモード制御部９に供給される。通常回路用電源ＶＳは、ＦＥＴ（１）１１により省エネモード用電源ＶＥからオン／オフされ、省エネモードオフブロック１２に供給される。復帰要因検知センサ１３からの情報は、省エネモード制御部９に入力され、これを復帰要因としてＦＥＴ（１）１１を制御し、省エネモードのオン／オフを行う。
図３は復帰要因検知ブロック図である。復帰要因検知センサ１３からの情報は、抵抗（１）１４、抵抗（２）１５、コンデンサ（１）１７、コンデンサ（２）１８によるＲＣフィルタ回路を通して、省エネモード制御部９に入力される。この、抵抗（１）１４はＦＥＴ（２）１６により制御され、省エネモード時にはＦＥＴ（２）を導通しない制御を実施する（時定数は大きくなる）。
また、コンデンサ（１）１７はＦＥＴ（３）１９により制御され、省エネモード時にはＦＥＴ（３）１９を導通する制御を実施する（時定数は大きくなる）。
図４は第１の処理例を示すフローチャートである。省エネモード時は（Ｓ１でＹ）、フィルタ回路の時定数を大きくする制御を行う（Ｓ２）。
図５は第２の処理例を示すフローチャートである。省エネモード時は（Ｓ１１でＹ）、ＦＥＴ（２）１６をオフする制御を行う（Ｓ２）。
図６は第３の処理例を示すフローチャートである。省エネモード時は（Ｓ２１でＹ）、ＦＥＴ（３）１９をオンする制御を行う（Ｓ２２）。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a block diagram of an image forming apparatus according to an embodiment of the present invention. The apparatus includes a CPU 1, a ROM 2, a RAM 3, an image memory 4, an image processing unit 5, an operation unit 6, an electrical control unit 7, a power supply 8, and an energy saving mode control unit (energy saving mode control unit) 9 that control the entire apparatus. .
The electrical control unit 7 performs general I / F for mechanical control control of electrical components built in the apparatus. The power source 8 converts the AC input power source into a DC power source used inside the apparatus, and outputs various power sources (normal circuit power source VS, energy saving mode power source VE). The energy saving mode control unit 9 performs control during the energy saving mode.
FIG. 2 is an energy saving mode block diagram. The energy saving mode power source VE is supplied to the energy saving mode on block 10 and the energy saving mode control unit 9. The normal circuit power supply VS is turned on / off from the energy saving mode power supply VE by the FET (1) 11 and supplied to the energy saving mode off block 12. Information from the return factor detection sensor 13 is input to the energy saving mode control unit 9, and the FET (1) 11 is controlled using this as a return factor to turn on / off the energy saving mode.
FIG. 3 is a block diagram of return factor detection. Information from the return factor detection sensor 13 is input to the energy saving mode control unit 9 through an RC filter circuit including a resistor (1) 14, a resistor (2) 15, a capacitor (1) 17, and a capacitor (2) 18. The resistor (1) 14 is controlled by the FET (2) 16 and performs control not to conduct the FET (2) in the energy saving mode (time constant increases).
Further, the capacitor (1) 17 is controlled by the FET (3) 19 and performs control for conducting the FET (3) 19 in the energy saving mode (time constant is increased).
FIG. 4 is a flowchart showing a first processing example. In the energy saving mode (Y in S1), control is performed to increase the time constant of the filter circuit (S2).
FIG. 5 is a flowchart showing a second processing example. In the energy saving mode (Y in S11), the FET (2) 16 is controlled to be turned off (S2).
FIG. 6 is a flowchart showing a third processing example. In the energy saving mode (Y in S21), control to turn on the FET (3) 19 is performed (S22).

本発明の実施の形態に係る画像形成装置のブロック図。1 is a block diagram of an image forming apparatus according to an embodiment of the present invention. 省エネモードブロック図。Energy saving mode block diagram. 復帰要因検知ブロック図。Return factor detection block diagram. 第１の処理例を示すフローチャート。The flowchart which shows the 1st process example. 第２の処理例を示すフローチャート。The flowchart which shows the 2nd process example. 第３の処理例を示すフローチャート。The flowchart which shows the 3rd processing example.

符号の説明Explanation of symbols

９ 省エネモード制御部、１１ ＦＥＴ（１）（オンオフ手段）、１３ 復帰要因検知センサ
9 Energy saving mode control unit, 11 FET (1) (on / off means), 13 Return factor detection sensor

Claims (3)

通常回路用電源ＶＳをオフし、省エネモード用電源ＶＥによる動作を可能にした省エネモードを有する機器において、前記通常回路用電源ＶＳを断接する電源断接手段と、復帰要因検知センサと、該復帰要因検知センサからの情報を入力し前記電源断接手段を制御して省エネモードの断接を行う省エネモード制御部を備えたことを特徴とする省エネモードを有する機器。   In a device having an energy saving mode in which the normal circuit power source VS is turned off and the operation by the energy saving mode power source VE is enabled, the power connection / disconnection means for connecting / disconnecting the normal circuit power source VS, a return factor detection sensor, and the recovery An apparatus having an energy saving mode, comprising: an energy saving mode control unit that inputs information from a factor detection sensor and controls the power connection / disconnection means to connect / disconnect the energy saving mode. 請求項１記載の省エネモードを有する機器において、前記省エネモード制御部前段に挿入されているＲＣフィルタ回路の抵抗を可変にして時定数を切り替えることを特徴とする省エネモードを有する機器。   2. The apparatus having an energy saving mode according to claim 1, wherein the time constant is switched by changing a resistance of an RC filter circuit inserted in a stage preceding the energy saving mode control unit. 請求項１記載の省エネモードを有する機器において、前記省エネモード制御部前段に挿入されているＲＣフィルタ回路のコンデンサの容量を可変にして時定数を切り替えることを特徴とする省エネモードを有する機器。
2. The apparatus having the energy saving mode according to claim 1, wherein the time constant is switched by changing the capacitance of a capacitor of an RC filter circuit inserted in the preceding stage of the energy saving mode control unit.
JP2004210792A 2004-07-16 2004-07-16 Equipment with energy saving mode Expired - Fee Related JP4546782B2 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10173840A (en) * 1996-10-11 1998-06-26 Ricoh Co Ltd Facsimile equipment
JP2002254621A (en) * 2001-02-28 2002-09-11 Canon Inc Ink jet recording device with interruption control circuit and control method for recording device
JP2002345148A (en) * 2001-05-15 2002-11-29 Ricoh Co Ltd Power supply unit and imaging device
JP2004175099A (en) * 2002-09-05 2004-06-24 Ricoh Co Ltd Image formation apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10173840A (en) * 1996-10-11 1998-06-26 Ricoh Co Ltd Facsimile equipment
JP2002254621A (en) * 2001-02-28 2002-09-11 Canon Inc Ink jet recording device with interruption control circuit and control method for recording device
JP2002345148A (en) * 2001-05-15 2002-11-29 Ricoh Co Ltd Power supply unit and imaging device
JP2004175099A (en) * 2002-09-05 2004-06-24 Ricoh Co Ltd Image formation apparatus

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