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    • 3. 发明公开
    • 액면 검출 장치
    • 液位检测器
    • KR1020060013414A
    • 2006-02-09
    • KR1020057022278
    • 2004-05-17
    • 닛폰 세이키 가부시키가이샤
    • 고이데시게키에노모토기요시나카가와다다오시마자키요시유키가미무라요시히로사토데츠야
    • G01F23/36
    • G01F23/36G01F23/363
    • A small and inexpensive liquid level detector (1) comprising a float moving in accordance with the variation of liquid level, a hard circuit board (5), resistors (12a, 12b) provided on the circuit board (5), a first sliding path (14) consisting of a plurality of electrodes (13) provided on the circuit board (5) and connected with the resistors (12a, 12b), and a first contact (6) touching the first sliding path (14), wherein the first contact (6) touches at least one of the plurality of electrodes (13) constituting the first sliding path (14) as the float varies to produce an electric signal by varying the resistance of the resistors (12a, 12b). A second sliding path (15) connected electrically with the first sliding path (14) is provided on the circuit board (5), a second contact (7) touching the second sliding path (15) is provided and the first and second contacts (6, 7) are connected electrically with an external circuit.
    • 一种小而便宜的液位检测器(1),包括根据液位变化移动的浮子,硬电路板(5),设置在电路板(5)上的电阻器(12a,12b),第一滑动路径 (14),其由设置在所述电路板(5)上并与所述电阻器(12a,12b)连接的多个电极(13)和接触所述第一滑动路径(14)的第一接触件(6)组成,其中所述第一 当浮子变化时,触点(6)触摸构成第一滑动路径(14)的多个电极(13)中的至少一个,以通过改变电阻器(12a,12b)的电阻来产生电信号。 在电路板(5)上设置有与第一滑动路径(14)电连接的第二滑动路径(15),设置接触第二滑动路径(15)的第二触点(7),并且第一和第二触点 6,7)与外部电路电连接。