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    • 2. 发明申请
    • DIFFERENTIAL VOLTAGE MEASUREMENT
    • 差分电压测量
    • US20140142879A1
    • 2014-05-22
    • US14115657
    • 2012-04-17
    • Alain Lucchese
    • Alain Lucchese
    • G01R19/10
    • G01R19/10G01R19/0084G01R19/2503G01R31/007
    • Measurement system and procedure suitable for measuring a voltage differential, the system comprising a measurement unit (1) having a first ground (10) as voltage reference and comprising a microcontroller (7) with an analog-digital converter (5), a sensor (2) having a second ground (20) as voltage reference, said second ground (20) being able to exhibit a potential difference with respect to the first ground (10), said measurement unit (1) having a first input (11) connected directly to the signal output (21) of the sensor (2), and a second input (12) connected directly to said second ground (20), the first and second inputs (11, 12) being linked to digital inputs (61, 62) of the microcontroller (7) through circuits for conditioning (31, 32, 41, 42) and analog-digital conversion (51, 52).
    • 包括具有作为电压基准的第一接地(10)的测量单元(1)的系统和程序,包括具有模数转换器(5)的微控制器(7),传感器 2)具有作为电压基准的第二接地(20),所述第二接地(20)能够相对于第一接地(10)呈现电位差,所述测量单元(1)具有连接的第一输入端(11) 直接连接到传感器(2)的信号输出端(21),以及直接连接到所述第二接地(20)的第二输入端(12),第一和第二输入端(11,12)与数字输入端 微控制器(7)通过用于调节(31,32,31,42)和模拟数字转换(51,52)的电路来实现。