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    Image fixing apparatus
    1.
    发明申请
    Image fixing apparatus 失效
    图像定影装置

    公开(公告)号：US20050041991A1

    公开(公告)日：2005-02-24

    申请号：US10896939

    申请日：2004-07-23

    申请人： Hirofumi Ihara ,  Tomoyuki Noguchi ,  Yasuhiro Nonaka ,  Tadayuki Kajiwara ,  Masahiro Samei ,  Hideki Tatematsu

    发明人： Hirofumi Ihara ,  Tomoyuki Noguchi ,  Yasuhiro Nonaka ,  Tadayuki Kajiwara ,  Masahiro Samei ,  Hideki Tatematsu

    IPC分类号： G03G15/20

    CPC分类号： G03G15/2039 ,  G03G2215/2016 ,  G03G2215/2032

    摘要： A heat generating member for fixing a toner image onto a recording medium, an induction heating means arranged to oppose to the heat generating member, for generating heat in the heat generating member by electromagnetic induction, an inverter circuit for driving the induction heating means, a power controlling means for controlling a power value that is output from the inverter circuit, a power-value calculating means for calculating the power value, a power-value sensing means for acquiring the power value output from the power controlling means, and a temperature sensing means for sensing a temperature at least at one point of the heat generating member are provided, and thus either the power value sensed by the power-value sensing means or a temperature value sensed by the temperature sensing means is used as a reference value used to calculate the power value by the power-value calculating means. Therefore, the image fixing device can be controlled with the high reliability.

    摘要翻译： 一种用于将调色剂图像定影到记录介质上的发热部件，与发热部件相对的感应加热部件，用于通过电磁感应产生发热部件的热量;驱动感应加热机构的逆变器电路; 用于控制从逆变器电路输出的功率值的功率控制装置，用于计算功率值的功率值计算装置，用于获取从功率控制装置输出的功率值的功率值感测装置和温度感测 提供用于感测至少在发热元件的一个点处的温度的装置，因此由功率值检测装置检测到的功率值或由温度感测装置感测的温度值被用作用于 通过功率值计算装置计算功率值。 因此，可以高可靠性地控制图像定影装置。

    Image fixing controller with time/temperature control
    2.
    发明授权
    Image fixing controller with time/temperature control 失效
    具有时间/温度控制的图像定影控制器

    公开(公告)号：US07277650B2

    公开(公告)日：2007-10-02

    申请号：US10896939

    申请日：2004-07-23

    申请人： Hirofumi Ihara ,  Tomoyuki Noguchi ,  Yasuhiro Nonaka ,  Tadayuki Kajiwara ,  Masahiro Samei ,  Hideki Tatematsu

    发明人： Hirofumi Ihara ,  Tomoyuki Noguchi ,  Yasuhiro Nonaka ,  Tadayuki Kajiwara ,  Masahiro Samei ,  Hideki Tatematsu

    IPC分类号： G03G15/20

    CPC分类号： G03G15/2039 ,  G03G2215/2016 ,  G03G2215/2032

    摘要： An image fixing device that is controllable with a high degree of reliability. The image fixing device is configured with a heat generator for fixing a toner image onto a recording medium that is opposed to an induction heater. Heat is generated in the heat generator through electromagnetic induction. An inverter circuit drives the induction heater. A power controller controls a power value that is output from the inverter circuit, whose power value is calculated by a power-value calculator. A power-value sensor acquires the power value output from the power controller, and a temperature sensor senses a temperature at least at one point of the heat generator. Thus, either the power value sensed by the power-value sensor or a temperature value sensed by the temperature sensor may be used as a reference value to calculate the power value in the power-value calculator.

    摘要翻译： 一种图像定影装置，其可靠性高可控。 图像定影装置配置有用于将调色剂图像定影到与感应加热器相对的记录介质上的热发生器。 通过电磁感应在发热体产生热量。 逆变电路驱动感应加热器。 功率控制器控制从功率值由功率值计算器计算的功率值从逆变器电路输出的功率值。 功率值传感器获取从功率控制器输出的功率值，并且温度传感器至少在发热体的一点检测温度。 因此，由功率值传感器感测到的功率值或由温度传感器感测的温度值可以用作参考值，以计算功率值计算器中的功率值。

    Image heating apparatus
    3.
    发明授权
    Image heating apparatus 有权
    图像加热装置

    公开(公告)号：US07379685B2

    公开(公告)日：2008-05-27

    申请号：US10554945

    申请日：2005-03-07

    申请人： Hideki Tatematsu ,  Hirofumi Ihara ,  Tadafumi Shimizu ,  Masahiro Samei ,  Keiichi Matsuzaki ,  Tomoyuki Noguchi

    发明人： Hideki Tatematsu ,  Hirofumi Ihara ,  Tadafumi Shimizu ,  Masahiro Samei ,  Keiichi Matsuzaki ,  Tomoyuki Noguchi

    IPC分类号： G03G15/20

    CPC分类号： G03G15/205 ,  G03G2215/2016 ,  G03G2215/2032 ,  G03G2215/2045

    摘要： An image heating apparatus that enables a temperature of an image heating element to be stably maintained at a target temperature as a fixing speed varies. A Proportional-Integral-Derivative (PID) controller determines whether a temperature control computation results in a range that allows temperature control with one IGBT, and a linear control is performed if the result is at least equal to a minimum power obtained as IH output. PWM control is performed at minimum power if the power is less than a required minimum power. Thus, a computation method of a supply power computator need not be switched according to the fixing speed, and a calorific value of a fixing belt can be controlled using one computation method.

    摘要翻译： 能够使图像加热元件的温度稳定地维持在目标温度作为定影速度的图像加热装置变化。 比例积分微分（PID）控制器确定温度控制计算是否导致允许使用一个IGBT进行温度控制的范围，如果结果至少等于作为IH输出获得的最小功率，则执行线性控制。 如果功率小于所需的最小功率，则以最小功率执行PWM控制。 因此，供电电力计算机的计算方法不需要根据定影速度进行切换，并且可以使用一种计算方法来控制定影带的发热量。

    Image heating
    4.
    发明申请
    Image heating 有权
    图像加热

    公开(公告)号：US20070036570A1

    公开(公告)日：2007-02-15

    申请号：US10554945

    申请日：2005-03-07

    申请人： Hideki Tatematsu ,  Hirofumi Ihara ,  Tadafumi Shimizu ,  Masahiro Samei ,  Keiichi Matsuzaki ,  Tomoyuki Noguchi

    发明人： Hideki Tatematsu ,  Hirofumi Ihara ,  Tadafumi Shimizu ,  Masahiro Samei ,  Keiichi Matsuzaki ,  Tomoyuki Noguchi

    IPC分类号： G03G15/20

    CPC分类号： G03G15/205 ,  G03G2215/2016 ,  G03G2215/2032 ,  G03G2215/2045

    摘要： An image heating apparatus is provided that enables the temperature of an image heating element to be maintained stably at a target temperature even when the fixing speed varies, and that enables lower cost and higher efficiency to be achieved. In this apparatus, with a calorific value control section 300 of a fixing apparatus 200, temperature control computation is not varied according to the rotational speed of a fixing belt 230, but it is determined whether a PID control computation result is in a range that allows temperature control with one IGBT, linear control is performed if the result is greater than or equal to the minimum power obtained as IH output, and PWM control is performed at minimum power if power less than or equal to the minimum power is required. It is thus not necessary for the computation method of a supply power computation section 301 to be switched according to the fixing speed, and the calorific value of fixing belt 230 can be controlled with one computation method. Therefore, the supply power to the heat source of fixing belt 230 can be PID-controlled by only one switching element (IGBT), lower cost and higher efficiency can be achieved, and the temperature of fixing belt 230 can be maintained stably at the target temperature.

    摘要翻译： 提供一种图像加热装置，即使在定影速度变化时也能使图像加热元件的温度稳定地保持在目标温度，并且能够实现更低的成本和更高的效率。 在该装置中，利用定影装置200的发热量控制部300，根据定影带230的旋转速度不进行温度控制计算，而是判断PID控制计算结果是否在允许的范围内 如果结果大于或等于作为IH输出获得的最小功率，则执行一个IGBT的线性控制，如果需要功率小于或等于最小功率，则以最小功率执行PWM控制。 因此，不需要根据定影速度切换供电电力计算部301的计算方法，并且可以通过一种计算方法来控制定影带230的发热量。 因此，可以通过仅一个开关元件（IGBT）对定影带230的热源的供电进行PID控制，可以实现更低的成本，更高的效率，并且可以在目标上稳定地保持定影带230的温度 温度。

    Image heating apparatus
    7.
    发明申请
    Image heating apparatus 失效
    图像加热装置

    公开(公告)号：US20050201768A1

    公开(公告)日：2005-09-15

    申请号：US11073717

    申请日：2005-03-08

    申请人： Hideki Tatematsu ,  Masahiro Samei ,  Tomoyuki Noguchi ,  Shigemitsu Tani

    发明人： Hideki Tatematsu ,  Masahiro Samei ,  Tomoyuki Noguchi ,  Shigemitsu Tani

    IPC分类号： G03G15/20 ,  H05B6/14

    CPC分类号： G03G15/205 ,  G03G2215/2032 ,  H05B6/06 ,  H05B6/145

    摘要： PID control performs integral control using an integral value of a deviation between a set temperature and current temperature, and therefore when a proportionality factor Kp is large, a fixing belt 230 reaches a target temperature quickly but a subsequent overshoot increases. On the other hand, when the proportionality factor Kp is small, the output is reduced gradually, and therefore the fixing belt 230 reaches a target temperature slowly but the overshoot is small. Thus, a heat value control section 300 changes the control value of the PID control according to the temperature (belt temperature) a fixing belt 230 at the start of heating of detected by a temperature detector 270. More specifically, a proportionality factor Kp of a calculation expression of the PID calculation is changed according to the belt temperature of the fixing belt 230. This makes it possible to reduce an overshoot when the temperature of the fixing belt 230 increases.

    摘要翻译： PID控制使用设定温度和当前温度之间的偏差的积分值进行积分控制，因此当比例因子Kp大时，定影带230快速达到目标温度，但随后的过冲增加。 另一方面，当比例因子Kp小时，输出逐渐减小，因此定影带230缓慢地达到目标温度，但过冲较小。 因此，热值控制部300根据由温度检测器270检测到的加热开始时的定影带230，根据温度（带温度）来改变PID控制的控制值。 更具体地，PID计算的计算表达式的比例因子Kp根据定影带230的带温度而改变。 这使得当定影带230的温度升高时可以减小过冲。

    Image heating apparatus including PID control
    8.
    发明授权
    Image heating apparatus including PID control 失效
    图像加热装置包括PID控制

    公开(公告)号：US07349642B2

    公开(公告)日：2008-03-25

    申请号：US11073717

    申请日：2005-03-08

    申请人： Hideki Tatematsu ,  Masahiro Samei ,  Tomoyuki Noguchi ,  Shigemitsu Tani

    发明人： Hideki Tatematsu ,  Masahiro Samei ,  Tomoyuki Noguchi ,  Shigemitsu Tani

    IPC分类号： G03G15/20

    CPC分类号： G03G15/205 ,  G03G2215/2032 ,  H05B6/06 ,  H05B6/145

    摘要： PID control performs integral control using an integral value of a deviation between a set temperature and current temperature. In particular, when a proportionality factor Kp is large, a fixing belt reaches a target temperature quickly but overshoot increases. On the other hand, when the proportionality factor Kp is small, the output is reduced gradually, and therefore the fixing belt reaches a target temperature slowly but the overshoot is small. Thus, a heat value control section changes the control value of the PID control according to the temperature (belt temperature) of a fixing belt at the start of heating as detected by a temperature detector. More specifically, a proportionality factor Kp of a calculation expression of the PID calculation is changed according to the belt temperature of the fixing belt. This makes it possible to reduce an overshoot when the temperature of the fixing belt increases.

    摘要翻译： PID控制使用设定温度和当前温度之间的偏差的积分值来执行积分控制。 特别地，当比例因子Kp较大时，定影带快速达到目标温度但过冲增加。 另一方面，当比例因子Kp小时，输出逐渐减小，因此定影带缓慢达到目标温度，但过冲小。 因此，热值控制部根据由温度检测器检测到的加热开始时的定影带的温度（带温度）来改变PID控制的控制值。 更具体地，PID计算的计算表达式的比例因子Kp根据定影带的带温度而改变。 这使得当定影带的温度升高时可以减小过冲。