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1.发明申请FIXING DEVICE, IMAGE FORMING APPARATUS, AND HEATING CONTROL METHOD FOR FIXING DEVICE 有权固定装置，图像形成装置和用于固定装置的加热控制方法公开(公告)号：US20080285996A1
公开(公告)日：2008-11-20
申请号：US12117022
申请日：2008-05-08
IPC分类号： G03G15/20
CPC分类号： G03G15/2039 , G03G2215/2032
摘要： A fixing device includes a heat roller having a degaussing alloy material, an induction heating member for exciting the heat roller, an inverter circuit for giving power at a predetermined frequency to the induction heating member, and a control unit, and when driving at a first drive frequency and fixing small size sheets by continuous passing, a local temperature rise occurs at an end part of the heat roller, and the end part approaches the Curie temperature, and when impedance of the inverter circuit reduces and an excessive current flows in the circuit, the fixing device drives at a higher second drive frequency, thereby increases a resistance of the heat roller by an epidermal effect of magnetic flux, increases an apparent resistance of the inverter circuit, makes it possible to use a flowing current within a normal range, heating a central part of the heat roller, and continues the fixing.
摘要翻译： 定影装置包括具有消磁合金材料的加热辊，用于激励加热辊的感应加热部件，向感应加热部件以规定频率供给的逆变器电路，以及控制部， 驱动频率和连续通过固定小尺寸片材时，在加热辊的端部发生局部温度升高，并且端部接近居里温度，并且当逆变器电路的阻抗减小并且电路中流过的电流过大时 固定装置以较高的第二驱动频率驱动，从而通过磁通的表皮效应增加加热辊的电阻，增加逆变器电路的视在电阻，可以使用在正常范围内的流动电流， 加热加热辊的中心部分，并继续固定。
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2.发明授权Fixing device, image forming apparatus, and heating control method for fixing device 有权固定装置，图像形成装置和用于定影装置的加热控制方法公开(公告)号：US08036557B2
公开(公告)日：2011-10-11
申请号：US12117022
申请日：2008-05-08
IPC分类号： G03G15/20
CPC分类号： G03G15/2039 , G03G2215/2032
摘要： A fixing device includes a heat roller having a degaussing alloy material, an induction heating member for exciting the heat roller, an inverter circuit for giving power at a predetermined frequency to the induction heating member, and a control unit, and when driving at a first drive frequency and fixing small size sheets by continuous passing, a local temperature rise occurs at an end part of the heat roller, and the end part approaches the Curie temperature, and when impedance of the inverter circuit reduces and an excessive current flows in the circuit, the fixing device drives at a higher second drive frequency, thereby increases a resistance of the heat roller by an epidermal effect of magnetic flux, increases an apparent resistance of the inverter circuit, makes it possible to use a flowing current within a normal range, heating a central part of the heat roller, and continues the fixing.
摘要翻译： 定影装置包括具有消磁合金材料的加热辊，用于激励加热辊的感应加热部件，向感应加热部件以规定频率供给的逆变器电路，以及控制部， 驱动频率和连续通过固定小尺寸片材时，在加热辊的端部发生局部温度升高，并且端部接近居里温度，并且当逆变器电路的阻抗减小并且电路中流过的电流过大时 固定装置以较高的第二驱动频率驱动，从而通过磁通的表皮效应增加加热辊的电阻，增加逆变器电路的视在电阻，可以使用在正常范围内的流动电流， 加热加热辊的中心部分，并继续固定。
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公开(公告)号：US08050612B2
公开(公告)日：2011-11-01
申请号：US12501143
申请日：2009-07-10
IPC分类号： G03G15/20
CPC分类号： G03G15/2057 , G03G2215/2054
摘要： A technique of reducing temperature unevenness in a heating member which heats a heating target member while reducing heat capacity of the heating member in a fixing device for an image forming apparatus is provided. The fixing device has a heating member having diamond fine particles dispersed and contained at least in its surface layer, a pressurizing member which is pressed in contact with the heating member and nips and carries a sheet in collaboration with the heating member, and a heating unit which heats the heating member.
摘要翻译： 提供一种降低加热部件的加热部件的温度不均匀性的技术，该加热部件在降低图像形成装置的定影装置中的加热部件的热容的同时加热加热对象部件。 定影装置具有至少在其表面层分散并容纳有金刚石微粒的加热构件，与加热构件接触地按压的加压构件，并与加热构件协同地携带片材，加热单元 其加热加热构件。
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公开(公告)号：US07957662B2
公开(公告)日：2011-06-07
申请号：US12633187
申请日：2009-12-08
IPC分类号： G03G15/20
CPC分类号： G03G15/2039
摘要： According to an embodiment, a heating device having a plurality of heating members which heat the heating roller, a first thermoelectric converting section having a plurality of thermoelectric converting elements, each of which has a heat-absorbing surface and a cooling surface and generates electromotive force by difference in temperature between the heat-absorbing surface and the cooling surface, and formed along a curved surface of the heating roller, in which the heat-absorbing surface is disposed with a predetermined space from an outer circumferential surface of the heating roller, an auxiliary power supply charged with electric power generated by the first thermoelectric converting section, and a switching section which switches the apparatus between a first state in which electric power is supplied from utility power to the heating members and a second state in which electric power is supplied from the auxiliary power supply to the heating members, based on a predetermined signal.
摘要翻译： 根据实施方式，具有加热加热辊的多个加热部件的加热装置，具有多个热电转换元件的第一热电转换部，各热电转换元件具有吸热面和冷却面，并产生电动势 通过吸热面与冷却面之间的温度差，沿着加热辊的曲面形成有吸热面从加热辊的外周面以规定间隔配置的加热辊， 充电了由第一热电转换部产生的电力的辅助电源以及在从供电部向供电部供给电力的第一状态和供给电力的第二状态之间切换装置的切换部 从辅助电源到加热构件 al。
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公开(公告)号：US20110091231A1
公开(公告)日：2011-04-21
申请号：US12972850
申请日：2010-12-20
IPC分类号： G03G15/20
CPC分类号： G03G15/2039
摘要： A fixing device of the invention detects a temperature of plural positions of a heat roller by a multiple non-contact temperature sensor at the same time and controls the temperature of plural heat source members The non-contact temperature sensor and a contact temperature sensor detect the temperature of the same position. According to the detection result, maintenance is performed or a temperature conversion table is corrected, the non-contact temperature sensor is maintained with high precision, and the heat roller is controlled the temperature with high precision.
摘要翻译： 本发明的定影装置同时通过多重非接触式温度传感器检测加热辊的多个位置的温度并控制多个热源部件的温度非接触式温度传感器和接触温度传感器检测 温度相同的位置。 根据检测结果，进行维护或校正温度转换表，非接触式温度传感器保持高精度，并且以高精度对加热辊进行温度控制。
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公开(公告)号：US07917075B2
公开(公告)日：2011-03-29
申请号：US12535269
申请日：2009-08-04
IPC分类号： G03G15/20
CPC分类号： G03G15/2042 , G03G2215/2032
摘要： To provide a technique for preventing a temperature rise in a non-sheet passing areas in a fixing device. The fixing device includes: a heating rotational member that includes at least one roller and heats a toner transferred on a sheet; a pressing roller that nips and carries the sheet in cooperation with the heating rotational member; a heating device that heats the heating rotational member; and heat pipes arranged, on the inside of at least one of the roller of the heating rotational member and the pressing roller, in ranges on both the sides in an axial direction of the roller from positions closer to the center in the axial direction than both the ends of a minimum sheet passing range in the axial direction of the roller of the nipped and carried sheet to positions further on the outer sides in the axial direction than both the ends of a maximum sheet passing range.
摘要翻译： 提供一种用于防止定影装置中的非片材通过区域中的温度升高的技术。 定影装置包括：加热旋转构件，其包括至少一个辊并加热转印在片材上的调色剂; 加压辊，其与加热旋转构件协作地压合并承载片材; 加热装置，加热所述加热旋转构件; 以及在所述加热旋转构件的所述辊的至少一个辊和所述加压辊的内侧上布置在所述辊的轴向方向上的两侧的距离轴向方向上的中心的位置的热管比两者 被夹持和被承载片材的辊的轴向上的最小纸张通过范围的端部在轴向上的外侧进一步位于最大纸张通过范围的两端。
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公开(公告)号：US20100322659A1
公开(公告)日：2010-12-23
申请号：US12850284
申请日：2010-08-04
IPC分类号： G03G15/20
CPC分类号： G03G15/2039
摘要： A fixing apparatus of the present invention includes a heating roller 2 that is a cylindrical member having a center axis, a pressurizing roller 3 that exerts pressure on the heating roller 2, and a temperature detecting element 6 that detects the temperature of the heating roller 2. The outer peripheral surface of the heating roller 2 is induction heated on the basis of the temperature information detected by the temperature detecting element 6. The fixing apparatus thus utilizes induction heating. The present invention is characterized in that the temperature detecting element 6 is placed in an area located vertically below the center axis of the heating member 2 and vertically below the outer peripheral surface of the heating member. The temperature detecting element 6 is thus provided at a position where it is unlikely to suffer thermal convection from the heating roller 2.
摘要翻译： 本发明的定影装置包括：加热辊2，其是具有中心轴的圆柱形构件;对加热辊2施加压力的加压辊3;以及检测加热辊2的温度的温度检测元件6 加热辊2的外周面根据由温度检测元件6检测到的温度信息进行感应加热。因此，定影装置利用感应加热。 本发明的特征在于，将温度检测元件6放置在垂直于加热部件2的中心轴方向垂直设置的区域内，并垂直于加热部件的外周面。 因此，温度检测元件6设置在不可能受到来自加热辊2的热对流的位置。
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公开(公告)号：US07778564B2
公开(公告)日：2010-08-17
申请号：US11684258
申请日：2007-03-09
IPC分类号： G03G15/20
CPC分类号： G03G15/2007 , G03G15/2039
摘要： In a fixing device of an image forming apparatus of the present invention, inner surfaces of upper and lower frames for respectively supporting a heat roller and a pressure roller are formed as a mirror surface. Between the heat roller and an infrared temperature sensor, an infrared transmission filter for cutting infrared rays beyond a wave length zone equivalent to a heatable area of the heat roller is installed. Detection results of a surface temperature of the heat roller by the infrared temperature sensor are prevented from exceeding the error tolerance due to infrared rays radiated from other than the heat roller. Temperature control for the heat roller is improved and a fixed image of high image quality is obtained.
摘要翻译： 在本发明的图像形成装置的定影装置中，形成用于分别支撑加热辊和加压辊的上框架和下框架的内表面作为镜面。 在加热辊和红外线温度传感器之间，安装用于将红外线切断超过等于加热辊的可加热区域的波长区域的红外线透射滤光片。 通过红外线温度传感器的加热辊的表面温度的检测结果不会超过由热辊以外的红外线所引起的误差容许。 改善了加热辊的温度控制，获得了高质量的固定图像。
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公开(公告)号：US07751740B2
公开(公告)日：2010-07-06
申请号：US12402115
申请日：2009-03-11
IPC分类号： G03G15/20
CPC分类号： G03G15/2039 , G03G15/2028 , G03G2215/20 , G03G2215/2016 , G03G2215/2032
摘要： A fixing apparatus includes an endless heating member having a metallic conductive layer, and a pressure member pressed to the heating member to form a nip to hold and convey a medium to be fixed. The apparatus also includes an induction heating coil arranged on an outer periphery of the heating member to generate an induced current, and a position sensor to detect a front end of the medium conveyed. The apparatus further includes a controller for controlling so as to increase an output value of the induction heating coil.
摘要翻译： 定影装置包括具有金属导电层的环形加热构件，以及按压到加热构件以形成夹持部以保持和传送要固定的介质的压力构件。 该装置还包括设置在加热构件的外周上以产生感应电流的感应加热线圈和用于检测传送介质前端的位置传感器。 该装置还包括用于控制以增加感应加热线圈的输出值的控制器。
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公开(公告)号：US07653323B2
公开(公告)日：2010-01-26
申请号：US11736075
申请日：2007-04-17
IPC分类号： G03G15/20
CPC分类号： G03G15/2039
摘要： According to an embodiment, a heating device having a plurality of heating members which heat the heating roller, a first thermoelectric converting section having a plurality of thermoelectric converting elements, each of which has a heat-absorbing surface and a cooling surface and generates electromotive force by difference in temperature between the heat-absorbing surface and the cooling surface, and formed along a curved surface of the heating roller, in which the heat-absorbing surface is disposed with a predetermined space from an outer circumferential surface of the heating roller, an auxiliary power supply charged with electric power generated by the first thermoelectric converting section, and a switching section which switches the apparatus between a first state in which electric power is supplied from utility power to the heating members and a second state in which electric power is supplied from the auxiliary power supply to the heating members, based on a predetermined signal.
摘要翻译： 根据实施方式，具有加热加热辊的多个加热部件的加热装置，具有多个热电转换元件的第一热电转换部，各热电转换元件具有吸热面和冷却面，并产生电动势 通过吸热面与冷却面之间的温度差，沿着加热辊的曲面形成有吸热面从加热辊的外周面以规定间隔配置的加热辊， 充电了由第一热电转换部产生的电力的辅助电源以及在从供电部向供电部供给电力的第一状态和供给电力的第二状态之间切换装置的切换部 从辅助电源到加热构件 al。
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