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A fuel gauge system uses apotentiometer(7) connected to a float (6) in the fuel tank

to control the current through the fuel gauge (5). The slide shows the theoretical

schematic diagram (A) next to semi-graphic . diagrams which shows the fuel gauge

circuit conditions with the full(B) and empty (C).

The fuel gauge system uses a potentiometer connected to a float in tank to control the

current through the fuel gauge , thus indicating the level of fuel in the tank.

A. This is a schematic diagram of the fuel tank gauge circuit . The battery (1) supplies 12V via the ignition switch (2) and fuse (3) to a voltage stabiliser (4). The voltage stabilizer provides a constant 10V output regardless of fluctuations in the battery voltage or load resistance. This which has its slider connected to ground(0V)

B. when the tank is full , the float(6) is high ,and the potentiometer(7) slider is at the end of the potentiometer track nearest to the fuel gauge (5) .Since the potentiometer slider is

Connected to battery negative (ground) ,the only resistance in the 10V circuit is that of the fuel gauge itself. Maximum current flows through the fuel gauge , heating its bimetal

Strip and causing the gauge pointer to move to the FULL end of the scale.

As the fuel level falls , the float (6) is lowered , and the resistance between the fuel gauge connection and the potentiometer (7) slider increases as the slider moves along the track. This reduces the amount of current flowing through the gauge , so that its pointer begins to move towards the EMPTY end of scal.

C. When the tank is empty , the float (6) is fully down , so that the potentiometer (7) provides maximum resistance in the gauge circuit. The current flowing through the gauge and the potentiometer is now insufficient to heat the bimetal strip , so the gauge (5) reads EMPTY.

Update:

C. When the tank is empty , the float (6) is fully down , so that the potentiometer (7) provides maximum resistance in the gauge circuit. The current flowing through the gauge and the potentiometer is now insufficient to heat the bimetal strip , so the gauge (5) reads EMPTY

還有這一段唷!!!

2 Answers

Rating
  • 1 decade ago
    Favorite Answer

    燃料測量系統採用電位器( 7 )連接到一個浮動( 6 )在燃料箱

    控制電流通過燃料傳感器( 5 ) 。幻燈片顯示了理論

    示意圖(一)旁邊的半圖形。圖表顯示了燃料傳感器

    電路的充分條件( B )和空( c )項。

    燃料評估系統採用電位連接到一個浮動的坦克,以控制

    目前通過燃料傳感器,從而顯示燃料水平的坦克。

    答:這是一個示意圖燃料箱計電路。電池( 1 )提供12V的通過點火開關( 2 )和保險絲( 3 )電壓穩定劑( 4 ) 。該穩壓器提供了一個不斷10V輸出,無論波動的電池電壓或負載電阻。這其中有其滑塊連接到地面( 0V )

    b.當油箱已滿,浮動( 6 )高,電位器( 7 )滑塊結束時的電位器軌道最接近燃料傳感器( 5 ) 。由於電位器滑塊

    連接到電池的負極(地) ,唯一的阻力是, 10V電路的燃料傳感器本身。最大電流流經燃料衡量,暖氣其雙金屬

    地帶和造成衡量指針移動全面結束規模。

    作為燃料的水平下降,浮動( 6 )降低,抵抗燃料傳感器之間的連接和電位器( 7 )滑塊隨滑塊沿著軌道。這減少了電流流動量的通過評估,因此,它的指針開始走向空結束量表。

    Source(s): 這是我用GOOGL個翻譯的
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  • Anonymous
    1 decade ago

    用GOOGLE工具就可以翻譯啦

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