JP2012120439A5 - Power supply and image forming apparatus - Google Patents
Power supply and image forming apparatus Download PDFInfo
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- JP2012120439A5 JP2012120439A5 JP2012006207A JP2012006207A JP2012120439A5 JP 2012120439 A5 JP2012120439 A5 JP 2012120439A5 JP 2012006207 A JP2012006207 A JP 2012006207A JP 2012006207 A JP2012006207 A JP 2012006207A JP 2012120439 A5 JP2012120439 A5 JP 2012120439A5
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- inductor
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Description
上記目的を達成するための本発明の電源は、所定の周波数で駆動するスイッチング手段と、
前記スイッチング手段に接続され、前記スイッチング手段が駆動することにより電圧が印加されるインダクタと、前記インダクタの両端に接続され、コンデンサとダイオードを備えた整流手段と、前記整流手段に流れる電流を検出する電流検出手段と、前記インダクタと前記スイッチング手段の接続部と前記整流手段との間に接続され、前記電圧共振手段に流れる交流電流と前記整流手段に流れる直流電流とを分離するための分離用コンデンサと
を備えたことを特徴とする。
また、本発明の他の電源は、インダクタと、前記インダクタの両端に接続され、前記インダクタに発生する電圧を整流する整流回路と、前記インダクタに電圧を印加するために駆動するスイッチング素子と、前記インダクタと前記スイッチング素子との接続部と前記整流回路の間に接続され、前記インダクタに流れる交流電流と前記整流回路の流れる直流電流を分離するコンデンサとを有することを特徴とする。
また、本発明の画像形成装置は、記録材に画像を形成するための画像形成手段と、前記画像形成手段に電圧を印加する電源とを備え、前記電源は、所定の周波数で駆動するスイッチング手段と、前記スイッチング手段に接続され、前記スイッチング手段が駆動することにより電圧が印加されるインダクタと、前記インダクタの両端に接続され、コンデンサとダイオードを備えた整流手段と、前記整流手段に流れる電流を検出する電流検出手段と、前記インダクタと前記スイッチング手段の接続部と前記整流手段との間に接続され、前記電圧共振手段に流れる交流電流と前記整流手段に流れる直流電流とを分離するための分離用コンデンサとを有することを特徴とする。
また、本発明の他の画像形成装置は、記録材に画像を形成するための画像形成手段と、
前記画像形成手段に電圧を印加する電源とを備え、前記電源は、インダクタと、前記インダクタの両端に接続され、前記インダクタに発生する電圧を整流する整流回路と、前記インダクタに電圧を印加するために駆動するスイッチング素子と、前記インダクタと前記スイッチング素子との接続部と前記整流回路の間に接続され、前記インダクタに流れる交流電流と前記整流回路の流れる直流電流を分離するコンデンサとを有することを特徴とする。
In order to achieve the above object, the power source of the present invention comprises switching means for driving at a predetermined frequency,
An inductor connected to the switching means to which a voltage is applied by being driven by the switching means, a rectifying means connected to both ends of the inductor and including a capacitor and a diode, and a current flowing through the rectifying means are detected. A separation capacitor connected between the current detection means, the connecting portion of the inductor and the switching means, and the rectification means, and for separating an alternating current flowing through the voltage resonance means and a direct current flowing through the rectification means It is characterized by comprising.
Another power source of the present invention includes an inductor, a rectifier circuit connected to both ends of the inductor and rectifying a voltage generated in the inductor, a switching element driven to apply a voltage to the inductor, It is connected between the connection part of an inductor and the said switching element, and the said rectifier circuit, It has a capacitor | condenser which isolate | separates the alternating current which flows into the said inductor, and the direct current which the said rectifier circuit flows.
The image forming apparatus according to the present invention further includes an image forming unit for forming an image on a recording material, and a power source for applying a voltage to the image forming unit, and the power source is a switching unit that is driven at a predetermined frequency. And an inductor connected to the switching means to which a voltage is applied by driving the switching means; a rectifying means connected to both ends of the inductor; a capacitor and a diode; and a current flowing through the rectifying means. A current detecting means for detecting; and a separation for separating an alternating current flowing through the voltage resonance means and a direct current flowing through the rectifying means, connected between the connecting portion of the inductor and the switching means and the rectifying means. And a capacitor for use.
Further, another image forming apparatus of the present invention includes an image forming unit for forming an image on a recording material,
A power source for applying a voltage to the image forming unit, the power source being connected to both ends of the inductor, a rectifier circuit for rectifying a voltage generated in the inductor, and a voltage for applying the voltage to the inductor And a switching element that is connected between the inductor and the switching element and the rectifier circuit, and that separates an alternating current flowing through the inductor and a direct current flowing through the rectifier circuit. Features.
Claims (14)
前記スイッチング手段に接続され、前記スイッチング手段が駆動することにより電圧が印加されるインダクタと、
前記インダクタの両端に接続され、コンデンサとダイオードを備えた整流手段と、
前記整流手段に流れる電流を検出する電流検出手段と、
前記インダクタと前記スイッチング手段の接続部と前記整流手段との間に接続され、前記インダクタに流れる交流電流と前記整流手段に流れる直流電流とを分離するための分離用コンデンサと
を備えたことを特徴とする電源。 Switching means for driving at a predetermined frequency;
An inductor connected to the switching means, to which a voltage is applied by driving the switching means;
Rectifying means connected to both ends of the inductor and comprising a capacitor and a diode;
Current detecting means for detecting a current flowing through the rectifying means;
A separation capacitor connected between the inductor, the connecting portion of the switching means, and the rectifying means, and for separating an alternating current flowing through the inductor and a direct current flowing through the rectifying means. And power.
前記電流検出手段が前記正電圧出力手段と前記負電圧出力手段とに接続されることを特徴とする請求項１または２に記載の電源。 A plurality of voltage output means including the switching means, the inductor, and the rectification means, the plurality of voltage output means including a positive voltage output means for outputting a positive voltage and a negative voltage output means for outputting a negative voltage; ,
The power supply according to claim 1 or 2, wherein the current detection means is connected to the positive voltage output means and the negative voltage output means.
前記画像形成手段に電圧を印加する電源であって、
所定の周波数で駆動するスイッチング手段と、前記スイッチング手段に接続され、前記スイッチング手段が駆動することにより電圧が印加されるインダクタと、
前記インダクタの両端に接続され、コンデンサとダイオードを備えた整流手段と、
前記整流手段に流れる電流を検出する電流検出手段と、
前記インダクタと前記スイッチング手段の接続部と前記整流手段との間に接続され、前記インダクタに流れる交流電流と前記整流手段に流れる直流電流とを分離するための分離用コンデンサとを有することを特徴とする画像形成装置。 An image forming means for forming an image on a recording material;
A power source for applying a voltage to the image forming means,
Switching means that is driven at a predetermined frequency, an inductor that is connected to the switching means, and to which a voltage is applied by driving the switching means;
Rectifying means connected to both ends of the inductor and comprising a capacitor and a diode;
Current detecting means for detecting a current flowing through the rectifying means;
A separation capacitor is connected between the inductor, the connecting portion of the switching means, and the rectifying means, and has a separation capacitor for separating an alternating current flowing through the inductor and a direct current flowing through the rectifying means. Image forming apparatus.
前記電流検出手段は、前記帯電手段に流れる電流を検出することを特徴とする請求項７に記載の画像形成装置。 The image forming means is a charging means for charging the image carrier,
The image forming apparatus according to claim 7, wherein the current detection unit detects a current flowing through the charging unit.
前記電流検出手段は、前記転写手段に流れる電流を検出することを特徴とする請求項７に記載の画像形成装置。 The image forming means is a transfer means for transferring a toner image formed on an image carrier,
The image forming apparatus according to claim 7, wherein the current detection unit detects a current flowing through the transfer unit.
前記画像形成手段は、像担持体に形成された潜像を現像する現像手段であって、前記電圧検出手段によって検出した電圧に基づき前記現像手段に出力する電圧を制御することを特徴とする請求項６乃至９のいずれか１項に記載の画像形成装置。 Furthermore, a voltage detecting means for detecting a voltage output from the rectifying means is provided,
The image forming means is a developing means for developing a latent image formed on an image carrier, and controls a voltage output to the developing means based on a voltage detected by the voltage detecting means. Item 10. The image forming apparatus according to any one of Items 6 to 9.
前記インダクタの両端に接続され、前記インダクタに発生する電圧を整流する整流回路と、
前記インダクタに電圧を印加するために駆動するスイッチング素子と、
前記インダクタと前記スイッチング素子との接続部と前記整流回路の間に接続され、前記インダクタに流れる交流電流と前記整流回路の流れる直流電流を分離するコンデンサと
を有することを特徴とする電源。 An inductor;
A rectifier circuit connected to both ends of the inductor and rectifying a voltage generated in the inductor;
A switching element that is driven to apply a voltage to the inductor;
A power supply, comprising: a capacitor that is connected between a connection portion between the inductor and the switching element and the rectifier circuit, and that separates an alternating current flowing through the inductor and a direct current flowing through the rectifier circuit.
前記画像形成手段に電圧を印加する電源とを備え、
前記電源は、
インダクタと、前記インダクタの両端に接続され、前記インダクタに発生する電圧を整流する整流回路と、前記インダクタに電圧を印加するために駆動するスイッチング素子と、
前記インダクタと前記スイッチング素子との接続部と前記整流回路の間に接続され、前記インダクタに流れる交流電流と前記整流回路の流れる直流電流を分離するコンデンサと
を有することを特徴とする画像形成装置。 An image forming means for forming an image on a recording material;
A power source for applying a voltage to the image forming means,
The power supply is
An inductor, a rectifier circuit connected to both ends of the inductor and rectifying a voltage generated in the inductor, and a switching element that is driven to apply a voltage to the inductor;
An image forming apparatus comprising: a capacitor that is connected between a connecting portion between the inductor and the switching element and the rectifier circuit and separates an alternating current flowing through the inductor and a direct current flowing through the rectifier circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012006207A JP5595427B2 (en) | 2012-01-16 | 2012-01-16 | Power supply and image forming apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012006207A JP5595427B2 (en) | 2012-01-16 | 2012-01-16 | Power supply and image forming apparatus |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010156922A Division JP4912487B2 (en) | 2010-07-09 | 2010-07-09 | High voltage power supply |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014161642A Division JP5847898B2 (en) | 2014-08-07 | 2014-08-07 | Power supply and image forming apparatus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2012120439A JP2012120439A (en) | 2012-06-21 |
| JP2012120439A5 true JP2012120439A5 (en) | 2013-08-22 |
| JP5595427B2 JP5595427B2 (en) | 2014-09-24 |
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| JP6218466B2 (en) | 2013-07-12 | 2017-10-25 | キヤノン株式会社 | High voltage power supply device and image forming apparatus |
| JP6651910B2 (en) * | 2016-03-04 | 2020-02-19 | 国立研究開発法人宇宙航空研究開発機構 | Converter system for solar cells |
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| JP3323579B2 (en) * | 1993-04-26 | 2002-09-09 | キヤノン株式会社 | Power supply device and image forming apparatus |
| JPH0993914A (en) * | 1995-09-22 | 1997-04-04 | Toshiba Corp | Multiple output dc/dc converter |
| JP4410220B2 (en) * | 2006-06-07 | 2010-02-03 | 春日電機株式会社 | Ion generator performance measuring device |
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