• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to an oil level sensor for sensing an oil level in a fuel tank. A separate case 4 is coupled to one end of the fuel pump mounting bracket 2 formed inside the fuel tank 1, and a thermistor 3 for detecting the oil level is provided at the bottom of the case 4. In the installed, A switching unit 10 which is normally kept on and is turned off when the vehicle is turning or driving on a slope, so that power is not output; A storage unit 11 for storing an output signal of the thermistor 3 and outputting an output signal of the thermistor 3 previously stored when the switching unit 10 is turned off and power is not input; In accordance with the on / off switching operation of the switching unit 10 is characterized in that composed of a switch 12 for selecting the output of the thermistor (3) or the output signal of the storage unit 11 and outputs to the warning lamp (5) The present invention relates to an oil level sensor that enables the driver to have a more stable feeling by preventing a phenomenon in which a fueling time warning light, which occurs when the vehicle travels or turns a ramp, blinks.
    公开号:KR20000056217A
    申请号:KR1019990005333
    申请日:1999-02-18
    公开日:2000-09-15
    发明作者:이병철
    申请人:정몽규；현대자동차 주식회사；
    IPC主号:
    专利说明:

    Oiling level sensing device
    BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oil level sensor for sensing the fuel level of a fuel tank. The present invention relates to a switching means for off-operating when the vehicle is traveling or turning a ramp and an output signal of the thermistor. Memory means for outputting a previously stored thermistor output signal and means for switching the output of the thermistor and the output of the memory means so that the warning light remains on or off when the vehicle is traveling or turning. The present invention relates to an oil level sensor that enables the driver to have more stability by preventing the fueling time warning lamp, which occurs when the vehicle is driving or turning a ramp, to be flickered.
    1 is a view showing a conventional fuel level sensor,
    A separate case 4 is coupled to one end of the fuel pump mounting bracket 2 formed inside the fuel tank 1, and a thermistor 3 for detecting the oil level is provided at the bottom of the case 4. It is installed, the detection signal of the thermistor (3) is configured to be supplied to the warning light (5) installed on the instrument panel.
    In the conventional technology configured as described above, when the thermistor 3 is filled with fuel by filling a certain amount of fuel into the fuel tank 1, the thermistor 3 outputs an electric signal in a normal state so that the warning lamp 5 is turned off. If the fuel level is reduced and the fuel level drops below the thermistor (3), the warning lamp (5) is turned on while the thermistor (3) is exposed to the air and outputs an electric signal different from the normal state. Will realize that there is no current fuel.
    The thermistor 3 is a device whose resistance value is variable when it is immersed in fuel and when exposed to air. The thermistor 3 outputs an electric signal in a steady state when immersed in fuel, and is different from the normal state when exposed to air. Outputs an electrical signal at the level.
    However, conventionally, the thermistor 3 is fixed to the fuel pump mounting bracket, so when a certain amount of fuel remains in the fuel tank, when the vehicle runs on a slope or turns sharply, the fuel in the fuel tank is biased to one side. When (3) is immersed in fuel and exposed to air or exposed to air, it is immersed in fuel again, and the warning light turns on and off, so that the driver does not trust the lighting operation of the warning light. Because the warning light flickers, there is a problem in that it is not possible to accurately determine the fueling time of the fuel and to operate in an unstable state.
    Therefore, in order to solve the above problem, the present invention stores a switching means which operates when the vehicle travels or turns a slope, and an output signal of the thermistor, and stores the previous thermistor output signal stored when the switching means is turned off. A storage means for outputting and a means for switching the output of the thermistor and the output of the storage means so that the warning light remains on or off when the vehicle is traveling or turning the slope, so that the vehicle is traveling or turning the slope. It is an object of the present invention to provide an oil level sensor that enables the driver to have more stability by preventing the occurrence of oiling time warning lamps flashing.
    Features of the present invention for achieving the above object,
    In the case where a separate case is coupled to one end of the fuel pump mounting bracket formed inside the fuel tank, and the thermistor for detecting the oil level is installed at the bottom of the case,
    A switching unit which is normally kept on and is turned off when the vehicle is turning or driving on a slope so that power is not output;
    A storage unit which stores an output signal of the thermistor and outputs an output signal of a previously stored thermistor when the switching unit is turned off and power is not input;
    In accordance with the on / off switching operation of the switching unit is characterized in that composed of a switch for outputting the output signal of the thermistor or the storage unit to the warning light.
    In addition, the switching unit is provided with a support formed to protrude outward at a predetermined position of the case, a housing formed to have a predetermined closed space at the lower end of the support, and are installed to face each other on the bottom surface of the support, and one side is connected to a power source. On the side, the fixed terminal to which the storage unit and the switch are connected is touched by a spring provided on the bottom of the housing to electrically connect the two fixed terminals, and when the vehicle runs or turns on the slope, the vehicle descends by its own weight to the fixed terminal. Characterized in that it consists of falling movable terminals.
    1 is a view showing a conventional oil level sensor.
    2 is a circuit diagram showing an oil level sensor for detecting the present invention.
    3 is a view showing a switching unit applied to the present invention.
    ※ Explanation of code for main part of drawing
    3: Thermistor
    4: case
    5: warning light
    10: switching unit
    11: memory
    12: switch
    101: support
    102: housing
    103,104: Fixed terminal
    105: spring
    106: movable terminal
    Hereinafter, with reference to the accompanying drawings Figures 2 and 3 will be described a preferred embodiment of the present invention.
    According to the figure, the present invention is roughly composed of a switching unit 10, a storage unit 11, and a switch 12. As shown in FIG.
    The switching unit 10 is turned on when the vehicle is sharply turned or when driving on an incline while being turned on. The switching unit 10 is supplied to the storage unit 11 and the switch 12 for laying down the power supply Vcc when the vehicle is turned on. When off, cut off the power supply (Vcc).
    As shown in FIG. 3, the switching unit 10 protrudes an additional support 101 outward at a predetermined position of the case 4 fixed to the fuel pump mounting bracket, and to the lower end of the support 101. A housing 102 is formed to have a predetermined closed space, and two fixed terminals 103 and 104 are formed at positions opposite to each other on the bottom of the support 101, and a spring is provided below the fixed terminal. It is constructed by providing a ring-shaped movable terminal 106 that is supported by the 105 and contacts the fixed terminals 103 and 104.
    A power supply Vcc is connected to one of the fixed terminals 103 and 104, and a storage unit 11 and a switch 12 are connected to the other fixed terminal 104. Each fixed terminal 103 and 104 is electrically connected or shorted by the movable terminal 106.
    The elastic force of the spring 105 holding the movable terminal 106 is slightly stronger than the load of the movable terminal 106, so that when the vehicle travels flat, the movable terminal 106 may be reduced by the elasticity of the spring 105. Two fixed terminals 103 and 104 to be electrically connected, and when the vehicle is traveling or turning sharply, the load of the movable terminal 106 to which the centrifugal force or pressure is applied is lowered to overcome the elasticity of the spring 105. The two fixed terminals 103 and 104 are in a short circuit state.
    That is, the switching unit 10 is in an on state when the vehicle runs on a flat surface, and is in an off state when the vehicle runs on a slope or rapidly turns.
    On the other hand, the storage unit 11 stores the electric signal normally output from the thermistor (3), the thermistor (3) stored when the switching unit 10 is turned off and the power supply (Vcc) is not input It is configured to output the electrical signal of the previous state output from the switch 12.
    The switch 12 is configured to select an output signal of the thermistor 3 or an output signal of the storage unit 11, which is switched to the thermistor 3 side when the switching unit 10 is in an on state. The thermistor of the previous state which is switched and selects the output signal of the thermistor 3 and supplies it to the warning lamp 5, and when the switching unit 10 is in the off state, is switched to the storage unit 11 side and output from the storage unit 11. (3) Select the output signal and supply it to the warning lamp (5).
    Referring to the operation and effects of the present invention configured as described above are as follows.
    First, when the vehicle travels flat, the movable terminal 106 of the switching unit 10 rises by the elasticity of the spring 105 to electrically connect the two fixed terminals 103 and 104 to the power source Vcc. The storage unit 11 and the switch 12 are supplied.
    Accordingly, the switch 12 is switched to the thermistor 3 side to supply the output signal of the thermistor 3 to the warning lamp 5.
    That is, when a certain amount of fuel is filled in the fuel tank and the thermistor 3 is immersed in the fuel, the warning light 5 is turned off by the output signal of the thermistor 3, and the fuel in the fuel tank is turned off. If it is lower than the state (3), the warning light (5) is present in the state of being turned on by the output signal of the thermistor (3).
    As described above, when the switching unit 10 and the switch 12 operate, the storage unit 11 stores an electrical signal output from the thermistor 3.
    On the other hand, when the vehicle travels on a slope or makes a rapid turn, the movable terminal 106 of the switching unit 10 descends while losing the elasticity of the spring 105 (shown in dashed lines in FIG. 3), the two fixed terminals 103. The 104 is electrically shorted so that the power supply Vcc is not supplied to the memory 11 and the switch 12.
    At this time, the storage unit 11 reads out the stored output signal of the thermistor 3, that is, the previous output signal of the thermistor 3, and outputs it to the switch 12. The switch 12 is the switching unit 10. ) Is turned off and is supplied to the warning light 5 by supplying the thermistor 3 output signal of the previous state outputted from the memory 11 to the storage part 11 side, even when the vehicle runs on a slope or makes a sharp turn. 5) will maintain its previous state.
    In other words, if the thermistor 3 is immersed in fuel and the vehicle turns sharply while the warning light 5 is turned off, the fuel is directed to one side and the thermistor 3 is exposed to the air to output an electrical signal different from the normal state. At this time, when the switching unit 10 is turned off, the switch 12 switches to the storage unit 11 side to output the thermistor 3 output signal (electric signal in the normal state) outputted from the storage unit 11. By supplying the warning light (5), the warning light (5) is to remain off as before, on the contrary, the vehicle is suddenly turned while the thermistor (3) is exposed to the air and the warning light (5) is on When the fuel is directed to one side, the thermistor 3 is submerged in the fuel. The thermistor 3 outputs an electric signal in a normal state. At this time, the switch 10 is turned off and the switch 12 is turned off. Section to the storage section 11 side Since the thermistor 3 output signal (electrical signal of the abnormal state) outputted from the storage unit 11 is supplied to the warning light 5, the warning light 5 is kept on as before. will be.
    That is, even if the vehicle is driving or steeply ramps, the warning light (5) is not flashing.
    As described above, the present invention stores switching means for off-operating when the vehicle travels or turns a slope, and outputs the thermistor output signal stored when the switching means is turned off. And means for switching the output of the thermistor and the output of the storage means so that the warning light remains on or off when the vehicle is traveling or turning the ramp, so that the oil generated when the vehicle is traveling or turning the ramp It is an oil level sensor to help drivers feel more stable by preventing the flashing of the timing warning light.
    权利要求:
    Claims (2)
    [1" claim-type="Currently amended] A separate case 4 is coupled to one end of the fuel pump mounting bracket 2 formed inside the fuel tank 1, and a thermistor 3 for detecting the oil level is provided at the bottom of the case 4. In the installed,
    A switching unit 10 which is normally kept on and is turned off when the vehicle is turning or driving on a slope, so that power is not output;
    A storage unit 11 for storing an output signal of the thermistor 3 and outputting an output signal of the thermistor 3 previously stored when the switching unit 10 is turned off and power is not input;
    In accordance with the on / off switching operation of the switching unit 10 is characterized in that composed of a switch 12 for selecting the output of the thermistor (3) or the output signal of the storage unit 11 and outputs to the warning lamp (5) Oil level sensor.
    [2" claim-type="Currently amended] The method of claim 1,
    The switching unit 10 includes a support 101 formed to protrude outward at a predetermined position of the case 4, a housing 102 formed to have a predetermined closed space at a lower end of the support 101, and the support 101. ) Is installed to face each other, the fixed terminal 103, 104 and the spring installed on the bottom of the housing 102, the power supply is connected to one side and the storage unit 11 and the switch 12 is connected to the other side It is carried by the 105 and electrically connects the two fixed terminals 103 and 104, and when the vehicle travels or turns the slope, it descends by its own weight and moves away from the fixed terminals 103 and 104. Oil level sensor, characterized in that consisting of a terminal 106.
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    同族专利:
    公开号 | 公开日
    KR100314170B1|2001-11-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    1999-02-18|Application filed by 정몽규, 현대자동차 주식회사
    1999-02-18|Priority to KR1019990005333A
    2000-09-15|Publication of KR20000056217A
    2001-11-15|Application granted
    2001-11-15|Publication of KR100314170B1
    优先权:
    申请号 | 申请日 | 专利标题
    KR1019990005333A|KR100314170B1|1999-02-18|1999-02-18|Oiling level sensing device|
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