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公开(公告)号：US5378874A
公开(公告)日：1995-01-03
申请号：US43952
申请日：1993-04-05
摘要： The present invention is a cooking appliance or an electronic control for a cooking appliance and method of controlling the same. A remote control unit having a built-in temperature sensor, positional switch and low-battery detection circuit is in two-way intermittent wireless communication with the appliance control unit of the present invention. The appliance control unit includes a switch means for controlling the heating elements of the cooking appliance wherein the switch means for each heating element includes two power switches connected in series and coupled with a redundancy detection circuit for the detection of a failure of one of the two power switches. Two-way communication between the two control units of the present invention is constantly monitored to ensure proper operation of the cooking appliance and to provide a mechanism to report errors to the user or to shut down the cooking appliance, as appropriate, soon after an error is detected. Mechanisms are also provided whereby the wireless communication means of the control units may be diagnosed to ensure the control units are properly communicating with each other.
摘要翻译： 本发明是一种用于烹饪器具的烹饪器具或电子控制器及其控制方法。 具有内置温度传感器，位置开关和低电池检测电路的遥控单元与本发明的设备控制单元进行双向间歇无线通信。 设备控制单元包括用于控制烹饪器具的加热元件的开关装置，其中用于每个加热元件的开关装置包括串联连接的两个电源开关，并与冗余检测电路耦合，用于检测二者之一的故障 电源开关 不断地监视本发明的两个控制单元之间的双向通信，以确保烹饪器具的正确操作，并且在错误之后提供适当的时候向用户报告错误或关闭烹饪器具的机构 被检测到。 还提供了机构，由此可以诊断控制单元的无线通信装置，以确保控制单元彼此正确地通信。
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2.发明授权
公开(公告)号：US6043461A
公开(公告)日：2000-03-28
申请号：US443044
申请日：1995-05-17
摘要： A cooking appliance or an electronic control for a cooking appliance and method of controlling the same including a remote control unit which has a built-in temperature sensor, positional switch and low-battery detection circuit is in two-way intermittent wireless communication with the appliance control unit of the present invention. The appliance control unit includes a switch means for controlling the heating elements of the cooking appliance wherein the switch means for each heating element includes two power switches connected in series and coupled with a redundancy detection circuit for the detection of a failure of one of the two power switches. Two-way communication between the two control units of the present invention is constantly monitored to ensure proper operation of the cooking appliance and to provide a mechanism to report errors to the user or to shut down the cooking appliance, as appropriate, soon after an error is detected. Mechanisms are also provided whereby the wireless communication means of the control units may be diagnosed to ensure the control units are properly communicating with each other.
摘要翻译： 用于烹饪器具的烹饪器具或电子控制器及其控制方法包括具有内置温度传感器，位置开关和低电池检测电路的遥控单元与设备进行双向间歇性无线通信 控制单元。 设备控制单元包括用于控制烹饪器具的加热元件的开关装置，其中用于每个加热元件的开关装置包括串联连接的两个电源开关，并与冗余检测电路耦合，用于检测二者之一的故障 电源开关 不断地监视本发明的两个控制单元之间的双向通信，以确保烹饪器具的正确操作，并且在错误之后提供适当的时候向用户报告错误或关闭烹饪器具的机构 被检测到。 还提供了机构，由此可以诊断控制单元的无线通信装置，以确保控制单元彼此正确地通信。
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公开(公告)号：US5321229A
公开(公告)日：1994-06-14
申请号：US43950
申请日：1993-04-05
CPC分类号： F24C7/087
摘要： A cooking appliance or an electronic control for a cooking appliance or an electronic control for a cooking appliance and method of controlling the same includes a remote control unit having a built-in temperature sensor, positional switch and low-battery detection circuit is in two-way intermittent wireless communication with the appliance control unit. The appliance control unit includes a switch means for controlling the heating elements of the cooking appliance wherein the switch means for each heating element includes two power switches connected in series and coupled with a redundancy detection circuit for the detection of a failure of one of the two power switches. Two-way communication between the two control units of the present invention is constantly monitored to ensure proper operation of the cooking appliance and to provide a mechanism to report errors to the user or to shut down the cooking appliance, as appropriate, soon after an error is detected. Mechanisms are also provided whereby the wireless communication means of the control units may be diagnosed to ensure the control units are properly communicating with each other.
摘要翻译： 用于烹饪器具的烹饪器具或电子控制器或用于烹饪器具的电子控制器及其控制方法包括具有内置温度传感器的位置开关和低电量检测电路的遥控单元， 与设备控制单元的方式间歇性无线通信。 设备控制单元包括用于控制烹饪器具的加热元件的开关装置，其中用于每个加热元件的开关装置包括串联连接的两个电源开关，并与冗余检测电路耦合，用于检测二者之一的故障 电源开关 不断地监视本发明的两个控制单元之间的双向通信，以确保烹饪器具的正确操作，并且在错误之后提供适当的时候向用户报告错误或关闭烹饪器具的机构 被检测到。 还提供了机构，由此可以诊断控制单元的无线通信装置，以确保控制单元彼此正确地通信。
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公开(公告)号：US5008516A
公开(公告)日：1991-04-16
申请号：US228339
申请日：1988-08-04
申请人： Ronald W. Holling
发明人： Ronald W. Holling
CPC分类号： H01H9/56 , H01H9/50 , H01H2009/566 , H02H1/0015
摘要： A relay control for a cooking appliance having a heating element includes a sensor for detecting the occurrence of an arc upon a change of state of a relay coupled between the heating element and a power supply. Upon detecting an arc, the sensor provides a timing signal which is coupled to a microprocessor that controls the energization and deenergization of the relay. The microprocessor is responsive to the timing signal from the sensor to determine the time delay between the last energization/deenergization of the relay and the changing of the relay's state. From the time delay, the microprocessor determines a delay constant. Subsequently, the microprocessor energizes the relay at a time after the detection of a zero crossover point of the power supply signal, wherein the time is equal to the determined delay constant to cause the relay to change state at or slightly before a zero crossover point of the power supply signal. The sensor may take the form of an optical sensor mounted inside the housing of the relay or outside of the housing. Alternatively, the sensor may include an electromagnetic or RF pick-up coil for sensing an electromagnetic or RF signal in the radio frequency (RF) range radiated upon the generation of an arc. Alternatively, the sensor may be a vibration sensor, such as a piezoelectric transducer, capable of detecting vibrations associated with the opening or closing of the relay contacts.
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公开(公告)号：US5349162A
公开(公告)日：1994-09-20
申请号：US43949
申请日：1993-04-05
申请人： Ronald W. Holling
发明人： Ronald W. Holling
CPC分类号： F24C7/082 , G01R31/2825 , H05B3/746
摘要： A cooking appliance or an electronic control for a cooking appliance and a method of controlling the same including a remote control which has built-in temperature sensor, positional switch and low-battery detection circuit is in two-way intermittent wireless communication with the appliance control unit. The appliance control unit includes a switch means for controlling the heating elements of the cooking appliance wherein the switch means for each heating element includes two power switches connected in series and coupled with a redundancy detection circuit for the detection of a failure of one of the two power switches. Two-way communication between the two control units of the present invention is constantly monitored to ensure proper operation of the cooking appliance and to provide a mechanism to report errors to the user or to shut down the cooking appliance, as appropriate, soon after an error is detected. Mechanisms are also provided whereby the wireless communication means of the control units may be diagnosed to ensure the control unit are properly communicating with each other.
摘要翻译： 用于烹饪器具的烹饪器具或电子控制器及其控制方法包括具有内置温度传感器，位置开关和低电量检测电路的遥控器与设备控制器进行双向间歇性无线通信 单元。 设备控制单元包括用于控制烹饪器具的加热元件的开关装置，其中用于每个加热元件的开关装置包括串联连接的两个电源开关，并与冗余检测电路耦合，用于检测二者之一的故障 电源开关 不断地监视本发明的两个控制单元之间的双向通信，以确保烹饪器具的正确操作，并且在错误之后提供适当的时候向用户报告错误或关闭烹饪器具的机构 被检测到。 还提供了机构，由此可以诊断控制单元的无线通信装置，以确保控制单元彼此正确地通信。
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公开(公告)号：US5064998A
公开(公告)日：1991-11-12
申请号：US477612
申请日：1990-02-09
申请人： Ronald W. Holling
发明人： Ronald W. Holling
CPC分类号： H01H9/56 , H01H9/50 , H01H2009/566 , H02H1/0015
摘要： A relay control for a cooking appliance having a heating element includes a sensor for detecting the occurrence of an arc upon a change of state of a relay coupled between the heating element and a power supply. Upon detecting an arc, the sensor provides a timing signal which is coupled to a microprocessor that controls the energization and deenergization of the relay. The microprocessor is responsive to the timing signal from the sensor to determine the time delay between the last energization/deenergization of the relay and the changing of the relay's state. From the time delay, the microprocessor determines a delay constant. Subsequently, the microprocessor energizes the relay at a time after the detection of a zero crossover point of the power supply signal, wherein the time is equal to the determined delay constant to cause the relay to change state at or slightly before a zero crossover point of the power supply signal. The sensor may take the form of an optical sensor mounted inside the housing of the relay or outside of the housing. Alternatively, the sensor may include an electromagnetic or RF pick-up coil for sensing an electromagnetic or RF signal in the radio frequency (RF) range radiated upon the generation of an arc. Alternatively, the sensor may be a vibration sensor, such as a piezoelectric transducer, capable of detecting vibrations associated with the opening or closing of the relay contacts.
摘要翻译： 具有加热元件的烹饪器具的继电器控制装置包括：传感器，用于在联接在加热元件和电源之间的继电器的状态改变时检测电弧的发生。 在检测到电弧时，传感器提供定时信号，该定时信号耦合到控制继电器通电和断电的微处理器。 微处理器响应来自传感器的定时信号，以确定继电器的最后通电/断电与继电器状态变化之间的时间延迟。 从时间延迟，微处理器确定延迟常数。 随后，微处理器在检测到电源信号的零交叉点之后的时刻对继电器通电，其中时间等于所确定的延迟常数，以使继电器在零交叉点之前或稍稍改变状态 电源信号。 传感器可以采取安装在继电器壳体内部或壳体外部的光学传感器的形式。 或者，传感器可以包括用于感测在产生电弧时辐射的射频（RF）范围内的电磁或RF信号的电磁或RF拾取线圈。 或者，传感器可以是能够检测与继电器触点的打开或关闭相关联的振动的振动传感器，例如压电换能器。
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公开(公告)号：US6051952A
公开(公告)日：2000-04-18
申请号：US177928
申请日：1998-10-23
申请人： Julio C. Moreira , Arne M. Nystuen , Rosario Ciancimino , Donald R. Vander Molen , Ronald W. Holling
发明人： Julio C. Moreira , Arne M. Nystuen , Rosario Ciancimino , Donald R. Vander Molen , Ronald W. Holling
CPC分类号： H02P25/04
摘要： A motor controller for a single phase induction motor (SPIM), wherein the SPIM is driven by two windings, a line winding connected to the ac line and a control winding driven by the controller. The SPIM torque and hence the speed and direction is controlled by the voltage output of the controller for all speeds below the synchronous speed (set by ac line frequency). The controller adjusts the amplitude, the phase angle relative to the line winding, and the frequency of the voltage for the desired SPIM responses. The controller can also selectively switch power to the line winding for a different operating mode with both windings at below synchronous speed. Or, the controller can open the connection to the line winding after starting, and operate the SPIM via the control winding at any speed by adjusting the amplitude and frequency of the controller voltage.
摘要翻译： 用于单相感应电动机（SPIM）的电动机控制器，其中SPIM由两个绕组驱动，连接到ac线的线绕组和由控制器驱动的控制绕组。 SPIM扭矩，因此速度和方向由控制器的电压输出控制，所有速度低于同步速度（由交流线路频率设置）。 控制器调节幅度，相对于线绕组的相位角以及所需SPIM响应的电压频率。 控制器还可以在两个绕组处于低于同步速度的情况下，选择性地将功率切换到不同工作模式的线绕组。 或者，控制器可以在启动后打开与线绕组的连接，并通过调节控制器电压的幅度和频率，通过控制绕组以任意速度操作SPIM。
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公开(公告)号：US5175413A
公开(公告)日：1992-12-29
申请号：US560448
申请日：1990-07-31
摘要： A fail-safe control system for operating a power relay to energize an electrical load such as a resistive heating element in a cooking apparatus includes first and second driving transistors connected in series with the control winding of the power relay and a source of power. A logic circuit, such as a microcomputer, produces pulses having specified characteristics at a single output port in order to energize the control winding. A circuit interconnecting the output port of the logic circuit with the driving transistors includes a first branch connected with the first transistor and a second branch connected with the second transistor. The first branch of the circuit includes an operational amplifier connected by a capacitor with the logic circuit output port in a manner that the first branch will drive the first transistor for a sufficiently long period of time initially in order to energize the relay control winding and cause the power relay to pull in. Thereafter, the first branch will only drive the first transistor if presented with pulses of much shorter duration; however, the shorter-duration pulses are capable of holding in the power relay. The second branch includes an operational amplifier connected directly with the logic circuit output port to apply all pulses produced at the output port to the second driving transistor.
摘要翻译： 用于操作功率继电器以激励烹饪设备中的电阻加热元件的电负载的故障安全控制系统包括与功率继电器的控制绕组和电源串联连接的第一和第二驱动晶体管。 诸如微计算机的逻辑电路在单个输出端口处产生具有特定特性的脉冲，以使控制绕组通电。 将逻辑电路的输出端口与驱动晶体管互连的电路包括与第一晶体管连接的第一分支和与第二晶体管连接的第二分支。 电路的第一分支包括一个运算放大器，由电容器与逻辑电路输出端口连接，使得第一分支将首先驱动第一晶体管足够长的时间段，以便为继电器控制绕组通电并引起 电源继电器拉入。此后，如果呈现短得多的脉冲，第一分支将仅驱动第一晶体管; 然而，较短持续时间的脉冲能够保持在功率继电器中。 第二分支包括与逻辑电路输出端口直接连接的运算放大器，以将在输出端口处产生的所有脉冲施加到第二驱动晶体管。
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公开(公告)号：US5138137A
公开(公告)日：1992-08-11
申请号：US634579
申请日：1990-12-27
IPC分类号： F24C7/08 , H01H13/702
CPC分类号： F24C7/082 , H01H13/702 , H01H2231/012 , H01H2239/002 , H01H2239/012
摘要： The present invention is a fault detecting membrane potentiometer keyswitch. The keyswitch includes circuitry for providing a reference voltage signal when not activated, so that a faulty switch can be determined by absence of a reference voltage signal. Specifically, the wiper of the membrane potentiometer keyswitch is coupled to the resistive element of the keyswitch intermediate a sensing portion and a reference portion. With this arrangement, as long as the keyswitch is inoperative, the reference portion provides a reference voltage signal which is distinguishable from any of the setting voltage signals, and also distinguishable from a grounded condition. When a setting signal is observed, a timer is used to determined whether the setting signal is a user entered setting signal or a short between the wiper and the resistive element.
摘要翻译： 本发明是故障检测膜电位器钥匙开关。 钥匙开关包括用于在未被激活时提供参考电压信号的电路，从而可以通过不存在参考电压信号来确定故障开关。 具体来说，膜电位计钥匙开关的擦拭器耦合到钥匙开关的电阻元件，位于传感部分和参考部分之间。 通过这种布置，只要键开关不起作用，参考部分提供与任何设置电压信号可区分的参考电压信号，并且也可以与接地状况区分开。 当观察到设置信号时，使用定时器来确定设置信号是用户输入的设置信号还是擦拭器和电阻元件之间的短路。
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10.发明授权Self-cleaning oven temperature control with multiple redundant oven temperature sensing elements 失效自清洁烤箱温度控制与多个冗余烤箱温度感应元件
公开(公告)号：US4852544A
公开(公告)日：1989-08-01
申请号：US139918
申请日：1987-12-31
CPC分类号： F24C14/02 , F24C7/087 , G05D23/1928 , G05D23/24
摘要： An electric range having a self-cleaning oven utilizes a digital electronic microprocessor based oven temperature control system having multiple, redundant oven temperature sensing elements. The output signal from a first one of the multiple oven temperature sensing elements disposed in the cavity of the oven is used as a primary sensed bake temperature signal for controlling the temperature of the oven during its BAKE mode of operation and as a redundant or back-up sensed clean temperature signal for safely shutting down the oven during its CLEAN mode of operation in the event that the sensed oven temperature significantly exceeds the top of the clean temperature range. Correspondingly, the output signal of a second oven temperature sensing element is used as the primary sensed clean temperature signal for controlling the operation of the oven during its CLEAN mode of operation and as a redundant or back-up sensed bake temperature signal for safely shutting down the oven in the event that the sensed oven temperature during the BAKE mode of operation significantly exceeds the top of the bake temperature range. Oven temperature sensing proves associated with the above two temperature sensors may be individually mounted in separate housings in the oven cavity or may be mounted in a single sensor housing in the oven cavity where space or mounting considerations are particularly acute.
摘要翻译： 具有自清洁烘箱的电气范围利用具有多个冗余的炉温感测元件的基于数字电子微处理器的烘箱温度控制系统。 设置在烤箱空腔中的多个烘箱温度感测元件中的第一个的输出信号被用作主感测的烘烤温度信号，用于在烤箱的BAKE操作模式期间控制烤箱的温度， 在感测到的烘箱温度显着超过清洁温度范围的顶部的情况下，在清洁操作模式下安全关闭烘箱。 相应地，第二烘箱温度感测元件的输出信号用作主要感测清洁温度信号，用于在其清洁操作模式期间控制烘箱的操作，以及作为冗余或备用感测的烘烤温度信号用于安全地关闭 如果在BAKE操作模式下检测到的烘箱温度显着超过烘烤温度范围的顶部，则烘箱。 与上述两个温度传感器相关联的烤箱温度感测可以单独地安装在烤箱腔中的分开的壳体中，或者可以安装在烤箱腔中的单个传感器壳体中，其中空间或安装考虑特别严重。
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