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1. 发明专利

JP2015036744A 定着装置及び画像形成装置审中-公开
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2015036744A
公开(公告)日：2015-02-23
申请号：JP2013168066
申请日：2013-08-13
申请人：株式会社リコー , Ricoh Co Ltd
发明人： SHIMIZU MISAKI , SEII MASAHIRO , KISHI KAZUTO , FUJIMOTO IPPEI , YAMAGUCHI YOSHINORI , KAWABATA KEISUKE , NAKAJIMA YUKIKO
IPC分类号： G03G15/20
摘要：【課題】無駄なエネルギーの消費を抑制し、定着ニップ部で画像を定着させるために必要な最適な電力を算出する。【解決手段】未定着トナー画像を記録材に定着する前に画像情報をあらかじめ取得する画像情報取得手段と、該取得した画像情報に基づいて発熱手段33への投入電力を算定する電力算定手段と、発熱手段33へ供給する電力を制御する制御手段40とを有し、定着ベルト31の移動方向における発熱手段33の上流側で定着ベルト31の温度を検出する温度検出手段38を設け、制御手段40は、電力算定手段が算定した電力を、温度検出手段38の検出結果に基づいて調整する。【選択図】図3
摘要翻译：要解决的问题：抑制消耗不必要的能量，并计算在定影辊隙部分上固定图像所需的最佳功率。解决方案：定影装置包括图像信息获取装置，用于在固定未定影的调色剂之前预先获取图像信息图像记录在记录材料上，功率计算装置，用于基于所获取的图像信息计算要传递给发热装置33的功率;以及控制装置40，用于控制供应给发热装置33的功率，并且进一步设置有温度检测装置38，用于在定影带31的移动方向上检测发热装置33的上游侧的定影带31的温度，其中控制装置40调节由功率计算装置计算出的功率基于温度检测装置38的检测结果。

2. 发明专利

JP2014098783A Temperature control method of fixing apparatus, fixing apparatus, and image forming apparatus 审中-公开
标题翻译：固定装置，固定装置和图像形成装置的温度控制方法
公开(公告)号：JP2014098783A
公开(公告)日：2014-05-29
申请号：JP2012250041
申请日：2012-11-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SEII MASAHIRO , ISHIGAYA YASUKO , YAMASHINA RYOTA , WAIDA TAKUMI
IPC分类号： G03G15/20 , G03G15/00
CPC分类号： G03G15/2042
摘要： PROBLEM TO BE SOLVED: To predictive-control a fixing member set temperature on the basis of a pressure member temperature, other related fixing apparatus information, and recording medium information, to control an image area of a fixed recording medium at a desired temperature without depending on printing conditions or a recording medium.SOLUTION: A fixing apparatus includes: a fixing member 1 for heating a recording medium from an unfixed image side of a recording medium 20; a pressure member 2 for pressurizing the recording medium from a non-image side; a plurality of heating sources 5 divided in a longitudinal direction of the fixing member, and a temperature detection member 7 for detecting a pressure member temperature. A temperature control method of the fixing apparatus selectively supplies power to the heat source 5 according to an image area of the recording medium, while feedback-controlling the fixing member set temperature on the basis of the pressure member temperature, to control only the image area of the fixed recording medium at a desired temperature.
摘要翻译：要解决的问题：为了基于压力构件温度预测控制定影构件的设定温度，其他相关的定影装置信息和记录介质信息，以在期望的温度下控制固定的记录介质的图像面积而不依赖于打印条件或记录介质。解决方案：定影装置包括：用于从记录介质20的未定影图像侧加热记录介质的固定构件1; 用于从非图像侧对记录介质加压的压力构件2; 在固定部件的长度方向上划分的多个加热源5和用于检测压力部件温度的温度检测部件7。定影装置的温度控制方法根据记录介质的图像区域选择性地向热源5供电，同时基于压力构件温度反馈控制定影构件设定温度，仅控制图像区域的固定记录介质。

3. 发明专利

JP2013174785A Fixing device and image forming apparatus 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2013174785A
公开(公告)日：2013-09-05
申请号：JP2012040115
申请日：2012-02-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAMASHINA RYOTA , SEII MASAHIRO , SEO HIROSHI
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a fixing device capable of suppressing local heating of a belt after completion of printing operation.SOLUTION: A fixing device comprises: a rotatable endless fixing belt 21; an opposite rotating body 22 that contacts the fixing belt 21 to form a nip part N; and a heat source 23 that locally and directly heats the inner peripheral surface of the fixing belt 21 from the vicinity thereof with radiation heat. The fixing device is configured such that a fixing belt 21 is suppressed from being locally heated by heated air around the heat source 23 while the fixing belt 21 is in a resting state after the heat source 23 stops heating.
摘要翻译：要解决的问题：提供一种在打印操作完成之后能够抑制带的局部加热的定影装置。解决方案：一种定影装置，包括：可旋转的环形定影带21; 与定影带21接触以形成夹持部分N的相对旋转体22; 以及利用辐射热从其附近局部地直接加热定影带21的内周面的热源23。定影装置构造成使得定影带21在热源23停止加热之后处于静止状态的同时，防止定影带21在热源23周围的加热空气局部加热。

4. 发明专利

JP2012103670A Temperature control method of fixing device, fixing device using the temperature control method, and image forming apparatus 有权
标题翻译：固定装置的温度控制方法，使用温度控制方法的固定装置和图像形成装置
公开(公告)号：JP2012103670A
公开(公告)日：2012-05-31
申请号：JP2011087117
申请日：2011-04-11
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAMASHINA RYOTA , WAIDA TAKUMI , SEII MASAHIRO , ISHIGAYA YASUKO
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a temperature control method of a fixing device capable of controlling a post-fixing recording medium temperature to be constant at a prescribed temperature regardless of a printing condition and a recording medium, by using a pressure member temperature and other relevant fixing device information and recording medium information to perform predictive control on the post-fixing recording medium temperature.SOLUTION: In a temperature control method of a fixing device which has a fixing member in contact with an unfixed image surface on a recording medium and heated by a heating source, and a pressure member pressuring the recording medium to the fixing member from a non-image surface, and which is for heating and pressuring an unfixed toner image on the recording medium to be fixed in a fixing nip part comprising the fixing member and the pressuring member, there is provided pressure member temperature detecting means which is capable of detecting a pressure member temperature of the pressure member, and a post-fixing recording medium temperature is calculated based on a detection result of the pressure member temperature detecting means to control a fixing member temperature of the fixing member so that the calculated post-fixing recording medium temperature falls within a prescribed temperature range.
摘要翻译：要解决的问题：提供一种定影装置的温度控制方法，其能够不考虑打印条件和记录介质，将定影后记录介质温度控制在规定温度下恒定，通过使用压力构件温度和其他相关固定装置信息和记录介质信息，以便对固定后记录介质温度进行预测控制。解决方案：在一种定影装置的温度控制方法中，该定影装置具有与记录介质上的未定影图像表面接触并由加热源加热的定影构件，以及将记录介质压向固定构件的压力构件非图像表面，并且用于加热和加压记录介质上的未定影调色剂图像以固定在包括固定构件和加压构件的定影夹持部分中，设置有压力构件温度检测装置，其能够基于压力构件温度检测装置的检测结果来计算压力构件的压力构件温度，并且确定后记录介质温度，以控制定影构件的定影构件温度，使得计算的固定后记录介质温度落在规定的温度范围内。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2012103667A Temperature control method of heat fixing device, heat fixing device, and image forming apparatus 有权
标题翻译：热固定装置的温度控制方法，热固定装置和图像形成装置
公开(公告)号：JP2012103667A
公开(公告)日：2012-05-31
申请号：JP2011063898
申请日：2011-03-23
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SEII MASAHIRO , ISHIGAYA YASUKO , YAMASHINA RYOTA , WAIDA TAKUMI
IPC分类号： G03G15/20
CPC分类号： G03G15/2039 , G03G2215/00772
摘要： PROBLEM TO BE SOLVED: To maintain constant fixing quality by achieving a desired post-fixing recording medium temperature by improving an algorithm of a difference method for calculating the post-fixing recording medium temperature and using the post-fixing recording medium temperature obtained by the calculation.SOLUTION: In a temperature control method of a heat fixing device which achieves a desired post-fixing recording medium temperature by using the post-fixing recording medium temperature obtained by calculation without directly measuring the post-fixing recording medium temperature, the calculation of the post-fixing recording medium temperature is divided into calculation performed prior to a print start time and calculation performed in real time during printing.
摘要翻译：要解决的问题：为了通过改进用于计算定影后记录介质温度的差分方法的算法并使用获得的定影后记录介质温度来实现期望的定影后记录介质温度来保持恒定的定影质量通过计算。解决方案：在通过使用通过计算获得的定影后记录介质温度而不直接测量定影后记录介质温度来实现期望的定影后记录介质温度的热定影装置的温度控制方法中，计算的固定记录介质温度被划分为在打印开始时间之前执行的计算和在打印期间实时执行的计算。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2015036773A 定着装置及び画像形成装置审中-公开
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2015036773A
公开(公告)日：2015-02-23
申请号：JP2013168513
申请日：2013-08-14
申请人：株式会社リコー , Ricoh Co Ltd
发明人： SHIMIZU MISAKI , KISHI KAZUTO , FUJIMOTO IPPEI , YAMAMOTO TAKESHI , KAWABATA KEISUKE , SEII MASAHIRO , YAMAGUCHI YOSHINORI , NAKAJIMA YUKIKO
IPC分类号： G03G15/20
摘要：【課題】画像部の温度バラツキをなくし、定着品質を安定的に維持することのできる定着装置および画像形成装置を提供する。【解決手段】未定着トナー画像を記録材に定着する前にトナー画像情報をあらかじめ取得する画像情報取得手段と、取得したトナー画像情報に基づいて発熱手段33への投入電力を算定する電力算定手段とを有し、定着部材31の移動方向における発熱手段33の上流側で定着部材の温度を検出する温度検出手段38を設け、該温度検出手段38の検出結果に基づいて前記電力算定手段で算定した電力を調整する。【選択図】図3
摘要翻译：要解决的问题：提供一种能够消除图像部分的温度变化以稳定地保持定影质量的定影装置和图像形成装置。解决方案：定影装置包括图像信息获取装置，用于预先获取固定前的调色剂图像信息将未定影的调色剂图像记录到记录材料上，以及功率计算装置，用于基于所获取的调色剂图像信息计算要发送到发热装置33的功率，并且还设置有用于检测定影温度的温度检测装置38 在发热装置33的上游侧的构件31沿着定影构件的移动方向，根据温度检测装置38的检测结果，调整由功率运算单元算出的功率。

7. 发明专利

JP2014157176A Fixing device and image forming apparatus 审中-公开
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2014157176A
公开(公告)日：2014-08-28
申请号：JP2013026535
申请日：2013-02-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KISHI KAZUTO , SEII MASAHIRO , WAIDA TAKUMI , ONO HIROSHI , YAMAMOTO TAKESHI , FUJIMOTO IPPEI , SEO HIROSHI , YAMASHINA RYOTA , ISHIGAYA YASUKO
IPC分类号： G03G15/20 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide a fixing device which is capable of saving energy by changing the temperature of each position of a fixing roller, according to the position where an image is easily formed of a paper and to provide an image forming apparatus.SOLUTION: In the fixing device including a fixing member, a pressure member forming a fixing nip part between the pressure member and the fixing member, heating means for heating the fixing member, and heating control means for controlling the heating means and allowing a recording material carrying an unfixed image to pass through the fixing nip part, to perform fixation, the heating means has heating regions divided in the longitudinal direction of the fixing member and the heating control means has a fixation maintaining mode, a low-temperature maintaining mode, and a temperature increase mode. The heating control means can control each heating region independently. In the low-temperature maintaining mode, the temperature of the part of the fixing member corresponding to at least one heating region is lower than the temperature of the part of the fixing member corresponding to the other heating regions and in the temperature increase mode, at least one heating region serves as a high heat generation region having a calorific value higher than those of the other heating regions.
摘要翻译：要解决的问题：提供一种定影装置，其能够根据图像容易由纸形成的位置改变定影辊的每个位置的温度来节省能量并提供图像形成装置。解决方案在包括固定部件的固定装置中，形成压力部件和固定部件之间的定影夹持部的压力部件，用于加热固定部件的加热装置和用于控制加热装置的加热控制装置，并允许记录材料承载通过定影夹持部的未定影图像，进行固定，加热装置具有沿着固定构件的长度方向分割的加热区域，加热控制装置具有定影维持模式，低温保持模式和升温模式。加热控制装置可以独立地控制每个加热区域。在低温保持模式下，对应于至少一个加热区域的固定部件的部分的温度低于对应于其它加热区域的固定部件的部分的温度，并且在升温模式下，至少一个加热区域用作具有高于其它加热区域的发热量的高发热区域。

8. 发明专利

JP2012123272A Fixing device and image forming device 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2012123272A
公开(公告)日：2012-06-28
申请号：JP2010275010
申请日：2010-12-09
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SEII MASAHIRO , ISHIGAYA YASUNORI
IPC分类号： G03G15/20
CPC分类号： G03G15/2053
摘要： PROBLEM TO BE SOLVED: To provide a fixing device and an image forming device that have a sufficiently high heating efficiency of a fixing rotating body by electromagnetic induction heating and are capable of further reducing the time to raise a temperature of the fixing rotating body.SOLUTION: A fixing device and an image forming device comprises: a fixing rotating body 21 having a first heat generating layer that is electromagnetic induction-heated by an exciting coil part 25; and a heat generating member 23 having a second heat generating layer that is electromagnetic induction-heated by the facing exciting coil part 25 through the fixing rotating body 21. And, the fixing device and the image forming device are configured so as to be capable of switching between a first heating state in which the fixing rotating body 21 is heated by electromagnetic induction-heating only the first heat generating layer by the exciting coil part 25 and a second heating state in which the fixing rotating body 21 is directly heated by electromagnetic induction-heating the first heat generating layer and the second heat generating layer by the exciting coil part 25 while the fixing rotating body 21 is indirectly heated by the heat generating member 23 by controlling the exciting coil part 25 to vary the magnetic flux density acting on the first heat generating layer of the fixing belt 21.
摘要翻译：解决的问题：提供一种通过电磁感应加热具有足够高的定影旋转体的加热效率的定影装置和图像形成装置，并且能够进一步缩短提高定影旋转温度的时间身体。解决方案：定影装置和图像形成装置包括：固定旋转体21，具有由励磁线圈部分25进行电磁感应加热的第一发热层; 以及具有通过固定旋转体21由相对的励磁线圈部25电磁感应加热的第二发热层的发热体23.另外，定影装置和图像形成装置能够在通过电磁感应加热固定旋转体21的第一加热状态之间切换通过励磁线圈部25仅第一发热层的加热状态和通过电磁感应直接加热固定旋转体21的第二加热状态通过励磁线圈部25加热第一发热层和第二发热层，同时通过控制励磁线圈部25来间接加热固定旋转体21，以改变作用在发热元件23上的磁通密度定影带21的第一发热层。（C）2012，JPO＆INPIT

9. 发明专利

JP2014178668A Fixing device and image forming apparatus 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2014178668A
公开(公告)日：2014-09-25
申请号：JP2013263684
申请日：2013-12-20
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KISHI KAZUTO , WAIDA TAKUMI , SEII MASAHIRO , ONO HIROSHI , YAMAMOTO TAKESHI , FUJIMOTO IPPEI , SEO HIROSHI , YAMASHINA RYOTA , ISHIGAYA YASUKO , FUJITA TAKASHI
IPC分类号： G03G15/20
CPC分类号： G03G15/2042
摘要： PROBLEM TO BE SOLVED: To improve image quality by suppressing the temperature unevenness of a fixing member and to improve energy saving by suppressing excessive supply of electric power.SOLUTION: A fixing device 12 comprises: heating means 56 heating fixing members 28 and 38 by the electric power from a power supply and having a plurality of heating regions divided in a direction orthogonal to the conveyance direction of a recording material; heating performance detection means 70 detecting the heating performance of the respective heating regions of the heating means; and external heating control means 42 controlling the heating means. The fixing device 12 allows the recording material carrying an unfixed image to pass through a fixing nip part SN formed by the fixing members and the pressure member 30, to perform fixation. The external heating control means 42 independently controls the respective heating regions, so that the temperature of the part of the fixing member corresponding to a non-image region on the recording material is lower than the temperature of the part of the fixing member corresponding to an image region. The external heating control means 42 controls the sustain temperature of the respective heating regions, based on the detection result of the heating performance of the respective heating regions by the heating performance detection means 70.
摘要翻译：要解决的问题：通过抑制定影构件的温度不均匀性来提高图像质量，并且通过抑制电力的过量供应来提高节能。解决方案：定影装置12包括：加热装置56，通过加热装置56加热固定构件28和38 来自电源的电力具有沿与记录材料的输送方向正交的方向分割的多个加热区域; 加热性能检测装置70检测加热装置的各个加热区域的加热性能; 以及控制加热装置的外部加热控制装置42。定影装置12允许携带未定影图像的记录材料通过由固定构件和压力构件30形成的定影夹持部SN，以进行固定。外部加热控制装置42独立地控制各个加热区域，使得与记录材料上的非图像区域相对应的固定构件的部分的温度低于对应于该固定构件的部分的温度图像区域。外部加热控制装置42基于加热性能检测装置70对各个加热区域的加热性能的检测结果来控制各个加热区域的维持温度。

10. 发明专利

JP2014077873A Temperature control method of fixing device, fixing device, and image forming apparatus 审中-公开
标题翻译：固定装置的温度控制方法，固定装置和图像形成装置
公开(公告)号：JP2014077873A
公开(公告)日：2014-05-01
申请号：JP2012225109
申请日：2012-10-10
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ISHIGAYA YASUKO , SEII MASAHIRO , YAMASHINA RYOTA , WAIDA TAKUMI
IPC分类号： G03G15/20 , G03G21/00
CPC分类号： G03G15/2078 , G03G15/2039 , G03G15/2046 , G03G15/2064
摘要： PROBLEM TO BE SOLVED: To provide a temperature control method capable of suitably maintaining fixing quality constant irrespective of print conditions and recording media, a fixing device, and an image forming apparatus.SOLUTION: A fixing device includes a fixing member 3 that contacts the surface of an unfixed image to fix the unfixed image on a recording medium by using electromagnetic induction heating, and a pressure member 2 that applies pressure to the recording medium from a non-image surface, and applies heat and pressure to the unfixed image to fix the unfixed image on the recording medium. A temperature control method of the fixing device includes a step of controlling an input voltage to an induction heating coil 4 during the electromagnetic induction heating so that a temperature 41 of the recording medium after the fixation becomes a predetermined temperature.
摘要翻译：要解决的问题：提供一种能够适应地保持定影质量恒定的温度控制方法，而与打印条件和记录介质，定影装置和图像形成装置无关。解决方案：定影装置包括：接触表面的固定构件3 通过使用电磁感应加热来将未固定的图像固定在记录介质上;以及压力构件2，其从非图像表面向记录介质施加压力，并且对未定影图像施加热和压力以将未定影的图像在记录介质上。定影装置的温度控制方法包括在电磁感应加热期间控制到感应加热线圈4的输入电压的步骤，使得固定后的记录介质的温度41变为预定温度。

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