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    • 1. 发明申请
    • Method and circuit arrangement for current measurement
    • 电流测量的方法和电路布置
    • US20060164069A1
    • 2006-07-27
    • US10524561
    • 2003-08-07
    • Reinhard MaierJurgen Rupp
    • Reinhard MaierJurgen Rupp
    • G01R15/18
    • G01R19/32G01R15/146G01R19/252
    • A method with corresponding circuit arrangement is disclosed, whereby for evaluation of a measured signal arising as an analogue value with a potential greater than zero potential in a measuring device requiring a supply current, the measured information therefrom is transmitted as a digital signal to an analytical unit lying at earth potential after an A/D conversion. The generated digital signal thus provides the clock signal for a modulation of the supply current and thus also carries out the function of the carrier for the information content of the measured signal. Curved characteristic lines for compression/decompression of the signals are used. Suitable devices for temperature compensation may be similarly provided.
    • 公开了一种具有相应电路装置的方法,其中为了评估在需要电源电流的测量装置中作为具有大于零电势的电位的模拟值产生的测量信号,将其测得的信息作为数字信号发送到分析 A / D转换后的单位处于地电位。 所产生的数字信号因此提供用于电源电流调制的时钟信号,并且因此还对测量信号的信息内容执行载波的功能。 使用用于信号的压缩/解压缩的曲线特征线。 适用于温度补偿的装置可以类似地提供。
    • 6. 发明授权
    • Electronic switching device
    • 电子开关装置
    • US07206178B2
    • 2007-04-17
    • US10450408
    • 2001-12-03
    • Peter FriedrichsGerd GriepentrogReinhard MaierHeinz MitlehnerReinhold Schörner
    • Peter FriedrichsGerd GriepentrogReinhard MaierHeinz MitlehnerReinhold Schörner
    • H02H3/00
    • H03K17/08142H03K17/0828H03K2017/0806H03K2017/6875
    • A switching device includes a working circuit, to which an operating voltage can be or is applied to which has at least one electronic switching element. This switching element includes at least one control terminal for applying a switching signal and is switched off or switched on depending on the switching signal. At least one electronic protection element is for protecting the switching element in its switched state from excessive Joule losses in the event of danger, especially in the event of an overload or a short circuit. The protection element bears the predominant part of the operating voltage that is released at the working circuit. The switching device includes a switching-off device, which, in the event of danger, automatically switches the switching element to the switched off state, using the energy contained in the operating current or the operating voltage passing through the working circuit or the voltage that is released at the working circuit or at the protection element exceeds a predetermined upper limit value.
    • 开关装置包括工作电路,工作电压可以施加到其上,具有至少一个电子开关元件。 该开关元件包括用于施加开关信号的至少一个控制端子,并且根据开关信号而被切断或接通。 至少有一个电子保护元件用于在开关状态下保护开关元件免受过度焦耳损失的危害,特别是在过载或短路的情况下。 保护元件是工作电路释放的工作电压的主要部分。 开关装置包括关断装置,在危险的情况下,使用包含在工作电流中的能量或通过工作电路的工作电压或开关元件的电压,将开关元件自动切换到关闭状态 在工作电路处或在保护元件处被释放超过预定的上限值。