JP2012168216A5 - - Google Patents
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- JP2012168216A5 JP2012168216A5 JP2011026727A JP2011026727A JP2012168216A5 JP 2012168216 A5 JP2012168216 A5 JP 2012168216A5 JP 2011026727 A JP2011026727 A JP 2011026727A JP 2011026727 A JP2011026727 A JP 2011026727A JP 2012168216 A5 JP2012168216 A5 JP 2012168216A5
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上記目的を達成するために、請求項１の発明は、シート状部材搬送方向と直交する方向に流動媒体が流れる流路が内部に形成された熱交換体と、前記流路の流動媒体流れ方向上流側と下流側それぞれに設けられた流入口と排出口とに連通させた配管を通して前記流路に流動媒体を搬送する流動媒体搬送手段とを備え、前記熱交換体の熱交換面にシート状部材を直接または熱伝達部材を介して接触させて該シート状部材と前記流動媒体との間で熱交換を行う熱交換装置において、前記流路の流動媒体流れ方向と直交する方向の断面積をＡとし、前記配管または前記流入口の流動媒体流れ方向と直交する方向の断面積をＢとすると、Ａ≦Ｂの関係を満たすことを特徴とするものである。
また、請求項２の発明は、請求項１の熱交換装置において、上記熱交換体の上記熱交換面から該熱交換面と対向する外周面までの高さをＨとしたとき、前記熱交換体の前記熱交換面からＨ／２の位置よりも該熱交換面に近い位置に前記流路を形成したことを特徴とするものである。
また、請求項３の発明は、請求項１または２の熱交換装置において、上記流入口の直径と上記配管の直径とを比べて小さい方の直径をＤとすると、Ｌ≒ＤまたはＬ＞Ｄ、並びに、Ｇ≒ＤまたはＧ＜Ｄの関係を満たすことを特徴とするものである。
また、請求項４の発明は、請求項１、２または３の熱交換装置において、上記流路のシート状部材搬送方向の幅をＬとし前記流路の高さをＧとするとＧ＜Ｌの関係を満たすことを特徴とするものである。
また、請求項５の発明は、請求項１、２、３または４の熱交換装置において、上記熱交換体内部の上記流入口から上記流路に至るまでの間に流路が徐々に広がる扇形状の領域を設けたことを特徴とするものである。
また、請求項６の発明は、請求項１、２、３、４または５の熱交換装置において、上記熱交換体内部の上記流入口から上記流路に至るまでの間に、前記流入口から流入してきた流動媒体をシート状部材搬送方向上流側や下流側に拡散させる流動媒体拡散手段を設けたことを特徴とするものである。
また、請求項７の発明は、シート状部材上にトナー像を形成するトナー像形成手段と、前記シート状部材上に形成されたトナー像を少なくとも熱によって該シート状部材に定着させる熱定着手段と、前記熱定着手段によってトナー像が定着されたシート状部材を冷却する冷却手段とを備えた画像形成装置において、前記冷却手段として、請求項１、２、３、４、５または６の熱交換装置を用いたことを特徴とするものである。
また、請求項８の発明は、シート状部材上にトナー像を形成するトナー像形成手段と、前記シート状部材上に形成されたトナー像を少なくとも熱によって該シート状部材に定着させる熱定着手段と、前記シート状部材を加温する加温手段とを備えた画像形成装置において、前記加温手段として、請求項１、２、３、４、５または６の熱交換装置を用いたことを特徴とするものである。
In order to achieve the above object, the invention of claim 1 is directed to a heat exchanger in which a flow path through which a flow medium flows is formed in a direction orthogonal to the sheet-like member conveyance direction, and a flow medium flow direction in the flow path. A fluid medium conveying means for conveying the fluid medium to the flow path through a pipe communicating with an inlet and an outlet provided on the upstream side and the downstream side, respectively, and a sheet-like shape on the heat exchange surface of the heat exchanger In a heat exchange device for exchanging heat between the sheet-like member and the fluid medium by bringing the members into contact with each other directly or via a heat transfer member, a cross-sectional area in a direction perpendicular to the fluid medium flow direction of the flow path is When A is A and B is a cross-sectional area of the pipe or the inlet in a direction perpendicular to the flow direction of the fluid medium, the relationship of A ≦ B is satisfied.
The invention according to claim 2 is the heat exchange device according to claim 1, wherein the heat exchange device has the height from the heat exchange surface to the outer peripheral surface facing the heat exchange surface as H. The flow path is formed at a position closer to the heat exchange surface than the position H / 2 from the heat exchange surface of the body.
Further, in the heat exchange device according to claim 1 or 2, in the heat exchange device according to claim 1 or 2, if D is a smaller diameter of the diameter of the inlet and the diameter of the pipe, L≈D or L> D As well as satisfying the relationship of G≈D or G <D.
Further, the invention according to claim 4 is the heat exchange device according to claim 1, 2, or 3, wherein G <L, where L is the width of the flow path in the sheet-like member conveying direction and G is the height of the flow path. It is characterized by satisfying the relationship .
The invention according to claim 5 is the heat exchange device according to claim 1, 2, 3, or 4, wherein the flow path gradually expands from the inlet to the flow path inside the heat exchanger. A region having a shape is provided.
The invention according to claim 6 is the heat exchange device according to claim 1, 2, 3, 4 or 5, wherein the inlet from the inlet to the flow path inside the heat exchanger is provided from the inlet. The present invention is characterized in that there is provided a fluid medium diffusing means for diffusing the flowing fluid medium upstream or downstream in the sheet-like member conveyance direction.
According to a seventh aspect of the present invention, there is provided a toner image forming means for forming a toner image on a sheet-like member, and a heat fixing means for fixing the toner image formed on the sheet-like member to the sheet-like member at least by heat. If, in an image forming apparatus having a cooling means for cooling the sheet-like member on which the toner image is fixed by the heat fixing means, as the cooling means, according to claim 1, 2, 3, 4, were 5 or 6 It is characterized by using the heat exchange apparatus.
The invention of claim 8 is a toner image forming means for forming a toner image on a sheet-like member, and a heat fixing means for fixing the toner image formed on the sheet-like member to the sheet-like member at least by heat. And a heating means for heating the sheet-like member, wherein the heat exchange device according to claim 1, 2, 3, 4, 5 or 6 is used as the heating means. It is a feature.
Claims (8)
前記流路の流動媒体流れ方向上流側と下流側それぞれに設けられた流入口と排出口とに連通させた配管を通して前記流路に流動媒体を搬送する流動媒体搬送手段とを備え、
前記熱交換体の熱交換面にシート状部材を直接または熱伝達部材を介して接触させて該シート状部材と前記流動媒体との間で熱交換を行う熱交換装置において、
前記流路の流動媒体流れ方向と直交する方向の断面積をＡとし、前記配管または前記流入口の流動媒体流れ方向と直交する方向の断面積をＢとすると、Ａ≦Ｂの関係を満たすことを特徴とする熱交換装置。 A heat exchanger in which a flow path through which a fluid medium flows in a direction orthogonal to the sheet-like member conveyance direction;
A fluid medium transporting means for transporting the fluid medium to the channel through piping connected to an inlet and an outlet provided on the upstream and downstream sides of the fluid medium in the fluid medium flow direction,
In the heat exchanging apparatus that performs heat exchange between the sheet-like member and the fluid medium by bringing the sheet-like member into contact with the heat exchange surface of the heat exchange body directly or via a heat transfer member,
The relationship of A ≦ B is satisfied, where A is the cross-sectional area in the direction perpendicular to the flow direction of the flow medium in the flow path, and B is the cross-sectional area in the direction perpendicular to the flow direction of the flow medium in the pipe or the inlet. A heat exchange device characterized by.
上記熱交換体の上記熱交換面から該熱交換面と対向する外周面までの高さをＨとしたとき、前記熱交換体の前記熱交換面からＨ／２の位置よりも該熱交換面に近い位置に前記流路を形成したことを特徴とする熱交換装置。 The heat exchange device of claim 1,
When the height from the heat exchanging surface of the heat exchanging body to the outer peripheral surface facing the heat exchanging surface is H, the heat exchanging surface is located at a position H / 2 from the heat exchanging surface of the heat exchanger. A heat exchange device, characterized in that the flow path is formed at a position close to.
上記流入口の直径と上記配管の直径とを比べて小さい方の直径をＤとすると、Ｌ≒ＤまたはＬ＞Ｄ、並びに、Ｇ≒ＤまたはＧ＜Ｄの関係を満たすことを特徴とする熱交換装置。 In the heat exchange apparatus of Claim 1 or 2,
Heat having a relationship of L≈D or L> D and G≈D or G <D, where D is the smaller diameter of the diameter of the inlet and the diameter of the pipe. Exchange equipment.
上記流路のシート状部材搬送方向の幅をＬとし前記流路の高さをＧとするとＧ＜Ｌの関係を満たすことを特徴とする熱交換装置。 In the heat exchange apparatus of Claim 1, 2, or 3,
A heat exchange device satisfying a relationship of G <L, where L is a width of the flow path in the sheet-like member conveyance direction and G is a height of the flow path .
上記熱交換体内部の上記流入口から上記流路に至るまでの間に流路が徐々に広がる扇形状の領域を設けたことを特徴とする熱交換装置。 The heat exchange device according to claim 1, 2, 3 or 4,
A heat exchanging device, wherein a fan-shaped region in which the flow path gradually extends is provided between the inlet and the flow path inside the heat exchange element.
上記熱交換体内部の上記流入口から上記流路に至るまでの間に、前記流入口から流入してきた流動媒体をシート状部材搬送方向上流側や下流側に拡散させる流動媒体拡散手段を設けたことを特徴とする熱交換装置。 The heat exchange device according to claim 1, 2, 3, 4 or 5,
Provided with a fluid medium diffusion means for diffusing the fluid medium flowing in from the inlet to the upstream side or the downstream side in the sheet-like member conveying direction between the inlet and the flow path inside the heat exchanger. A heat exchange device characterized by that.
前記シート状部材上に形成されたトナー像を少なくとも熱によって該シート状部材に定着させる熱定着手段と、
前記熱定着手段によってトナー像が定着されたシート状部材を冷却する冷却手段とを備えた画像形成装置において、
前記冷却手段として、請求項１、２、３、４、５または６の熱交換装置を用いたことを特徴とする画像形成装置。 Toner image forming means for forming a toner image on a sheet-like member;
Heat fixing means for fixing the toner image formed on the sheet-like member to the sheet-like member by at least heat;
An image forming apparatus comprising: a cooling unit that cools the sheet-like member on which the toner image is fixed by the heat fixing unit;
Wherein as the cooling means, according to claim 1, 2, 3, 4, 5 or the image forming apparatus characterized by using a heat exchange apparatus 6.
前記シート状部材上に形成されたトナー像を少なくとも熱によって該シート状部材に定着させる熱定着手段と、
前記シート状部材を加温する加温手段とを備えた画像形成装置において、
前記加温手段として、請求項１、２、３、４、５または６の熱交換装置を用いたことを特徴とする画像形成装置。 Toner image forming means for forming a toner image on a sheet-like member;
Heat fixing means for fixing the toner image formed on the sheet-like member to the sheet-like member by at least heat;
In an image forming apparatus provided with a heating means for heating the sheet-like member,
An image forming apparatus using the heat exchange device according to claim 1, 2, 3, 4, 5, or 6 as the heating means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011026727A JP2012168216A (en) | 2011-02-10 | 2011-02-10 | Heat exchanger and image forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011026727A JP2012168216A (en) | 2011-02-10 | 2011-02-10 | Heat exchanger and image forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2012168216A JP2012168216A (en) | 2012-09-06 |
| JP2012168216A5 true JP2012168216A5 (en) | 2014-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011026727A Pending JP2012168216A (en) | 2011-02-10 | 2011-02-10 | Heat exchanger and image forming device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2012168216A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5975332B2 (en) | 2012-08-10 | 2016-08-23 | 株式会社リコー | Cooling device and image forming apparatus |
| JP6241732B2 (en) * | 2013-12-11 | 2017-12-06 | 株式会社リコー | Method for determining operating state of liquid circulation system, liquid circulation system, and image forming apparatus |
| WO2019245116A1 (en) * | 2018-06-18 | 2019-12-26 | Hewlett-Packard Development Company, L.P. | Vapor chamber based structure for cooling printing media processed by fuser |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4884630A (en) * | 1988-07-14 | 1989-12-05 | Microelectronics And Computer Technology Corporation | End fed liquid heat exchanger for an electronic component |
| US6400012B1 (en) * | 1997-09-17 | 2002-06-04 | Advanced Energy Voorhees, Inc. | Heat sink for use in cooling an integrated circuit |
| JPH11235855A (en) * | 1998-02-19 | 1999-08-31 | Konica Corp | Electrical apparatus |
| WO2000011922A1 (en) * | 1998-08-18 | 2000-03-02 | Hamamatsu Photonics K.K. | Heat sink, and semiconductor laser and semiconductor laser stacker using the same |
| US6414867B2 (en) * | 2000-02-16 | 2002-07-02 | Hitachi, Ltd. | Power inverter |
| JP3982180B2 (en) * | 2000-02-16 | 2007-09-26 | 株式会社日立製作所 | Power converter |
| JP4138562B2 (en) * | 2002-04-18 | 2008-08-27 | 株式会社日立製作所 | Inverter device for vehicle and electric vehicle equipped with the same |
| DE10317580B4 (en) * | 2002-04-18 | 2010-09-16 | Hitachi, Ltd. | Electric inverter device with a liquid channel and electric vehicle with such an inverter device |
| JP4265996B2 (en) * | 2004-06-09 | 2009-05-20 | 株式会社リコー | Cooling device for recording medium and image forming apparatus |
| JP2006058493A (en) * | 2004-08-18 | 2006-03-02 | Ricoh Co Ltd | Fixing device, image forming apparatus, and transfer material conveyance method |
| JP4367331B2 (en) * | 2004-12-17 | 2009-11-18 | 三菱電機株式会社 | Semiconductor device |
| JP2006258953A (en) * | 2005-03-15 | 2006-09-28 | Fuji Xerox Co Ltd | Cooling conveyance device and image forming apparatus using same |
| JP5093161B2 (en) * | 2009-03-12 | 2012-12-05 | 三菱電機株式会社 | heatsink |
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2011
- 2011-02-10 JP JP2011026727A patent/JP2012168216A/en active Pending
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