KR20010066011A - Fuel sender - Google Patents

Fuel sender Download PDF

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Publication number
KR20010066011A
KR20010066011A KR1019990067593A KR19990067593A KR20010066011A KR 20010066011 A KR20010066011 A KR 20010066011A KR 1019990067593 A KR1019990067593 A KR 1019990067593A KR 19990067593 A KR19990067593 A KR 19990067593A KR 20010066011 A KR20010066011 A KR 20010066011A
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KR
South Korea
Prior art keywords
fuel
sender
float
main body
resistance
Prior art date
Application number
KR1019990067593A
Other languages
Korean (ko)
Inventor
이영철
Original Assignee
이계안
현대자동차주식회사
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Publication date
Application filed by 이계안, 현대자동차주식회사 filed Critical 이계안
Priority to KR1019990067593A priority Critical patent/KR20010066011A/en
Publication of KR20010066011A publication Critical patent/KR20010066011A/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/56—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
    • G01F23/60—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using electrically actuated indicating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K2015/0321—Fuel tanks characterised by special sensors, the mounting thereof
    • B60K2015/03217—Fuel level sensors

Abstract

PURPOSE: A fuel sender is provided to reduce the influence of the vehicle vibration or the fuel flow by receiving a float in a cylindrical sender main body for improving the stability, the precision and the reliability of the measurement, and reduce the generation of situations unable to measure a residual fuel amount due to the generation of a gap or impurities by mounting two contacts at both sides of the float. CONSTITUTION: A fuel sender includes a cylindrical main body(2) mounted to a fuel tank(1) for introducing fuel into an inside of the main body via an opened lower part, a plurality of resistance plates(6) formed of ceramics fixed on inner wall surfaces of the main body vertically, a resistance value of the resistance plate changing from an upper part toward a lower part, a cylindrical float(7) received in the main body to move vertically according to a fuel level, and a plurality of contact arms(8) fixed at a side of the float for contacting the resistance plates.

Description

연료 센더{Fuel sender}Fuel sender

본 발명은 연료 잔량 측정의 신뢰성이 향상되는 구조의 연료 센더에 관한 것이다.The present invention relates to a fuel sender having a structure in which the reliability of fuel residual quantity measurement is improved.

연료 탱크내의 연료 잔량을 측정하기 위해서는 도 3에 도시하는 것과 같은구조의 연료 센더(20)가 많이 사용되고 있다.In order to measure the fuel residual amount in a fuel tank, the fuel sender 20 of the structure as shown in FIG. 3 is used a lot.

이는 센더 본체(21)에 힌지축(22)을 중심축으로 회동가능하게 콘택트암(23)을 설치하고, 콘택트암(23) 끝의 콘택트 포인트(24)가 그 회동 위치에 상관 없이 항상 접촉 가능하도록 호형의 저항판(25)을 센더 본체(21)에 부착하며, 콘택트암 (23)으로부터 연장시킨 플로우트암(26)의 끝에는 액면에 추종하여 승하강하는 플로우트(27)가 장착한 구조로 되어 있다.The contact arm 23 is rotatably installed in the sender main body 21 around the hinge shaft 22, and the contact point 24 at the end of the contact arm 23 can always be contacted regardless of its rotational position. An arc-shaped resistance plate 25 is attached to the sender main body 21 so that the end of the float arm 26 extending from the contact arm 23 is mounted with a float 27 that follows the liquid level and moves up and down. have.

따라서 연료 탱크(28)내의 연료가 소모되면 플로우트(27)가 하강하게 되며, 플로우트암(26)과 콘택트암(23)은 힌지축(22)을 중심점으로 하강 회동하여 콘택트 포인트(24)의 접촉 지점이 저항판(25)의 하측으로 이동하게 된다.Therefore, when the fuel in the fuel tank 28 is consumed, the float 27 is lowered, and the float arm 26 and the contact arm 23 rotate downwards about the hinge axis 22 to the contact point of the contact point 24. The point moves to the lower side of the resistance plate 25.

이에따라 콘택트 포인트(24)와 저항판(25)의 접촉 위치에 따라 저항값이 변화하게 되며, 이 저항값을 연료 잔량으로 변환시켜 연료 잔량을 측정하게 된다.Accordingly, the resistance value changes according to the contact position between the contact point 24 and the resistance plate 25, and the resistance value is converted into the fuel residual amount to measure the fuel residual amount.

그러나 상기한 종래 구조에 의한 연료 센더에 의하면 다음과 같은 문제점이 지적되고 있다.However, according to the fuel sender of the conventional structure described above, the following problems are pointed out.

첫째, 연료의 좌우 유동에 의한 플로우트암이 좌우 유동시 콘택트암(23)이 저항판(25)으로부터 떨어졌다 붙었다를 반복하거나 아예 이격되어 연료량을 측정할 수 없게 되는 일이 자주 발생한다(도 4 참조).First, when the float arm caused by the left and right flow of the fuel flows left and right, the contact arm 23 is detached from the resistance plate 25 repeatedly or is spaced apart so that the amount of fuel cannot be measured (FIG. 4). Reference).

둘째, 콘택트 포인트(24)가 1개소 뿐이므로, 그 접촉 지점에 이물질이 끼게 되면 접촉 불량을 유발하여 센더가 오동작할 수 있다.Second, since there is only one contact point 24, if foreign matter is caught in the contact point, the sender may malfunction and the sender may malfunction.

셋째, 연료 센더의 조립 공정이나 연료 탱크에 조립시 플로우트 암이 최초 셋팅 상태로 부터 벗어나 변형되는 경우 연료량 측정에 오차가 발생하게 된다.Third, when the float arm is deformed out of the initial setting state when the fuel sender is assembled or assembled in the fuel tank, an error occurs in the fuel amount measurement.

이에 본 발명은 상기한 문제점을 감안하여 제안한 것으로서 그의 목적으로 하는 것은 연료 잔량 측정의 신뢰성이 보장되는 연료 센더를 제공하는 데 있다.Accordingly, the present invention has been proposed in view of the above problems, and an object thereof is to provide a fuel sender in which reliability of fuel residual quantity measurement is ensured.

상기한 목적을 달성하기 위하여 본 발명의 연료 센더는 개방된 하부를 통하여 내부로 연료가 유입되도록 연료 탱크에 장착되는 센더 본체와;In order to achieve the above object, the fuel sender of the present invention includes a sender body mounted to the fuel tank such that fuel is introduced into the fuel cell through an open lower portion;

상기 센더 본체 내벽면에 상하길이 방향으로 고정 장착되고, 상부에서 하부로 갈수록 저항값이 변화하는 저항판과;A resistor plate fixedly mounted to the inner wall of the sender body in a vertical length direction and having a resistance value changed from an upper portion to a lower portion;

상기 센더 본체내에 수용되어 액면에 추종하여 상하로 승하강 작동하는 플로우트와;A float accommodated in the sender main body to move up and down in accordance with a liquid level;

상기 플로우트의 일측에 상기 저항판과 접촉하도록 고정설치되는 콘택트 암;을 포함하여 구성되어 있다.And a contact arm fixed to one side of the float to be in contact with the resistance plate.

본 발명의 청구항 2 기재에 의하면 상기 저항판과 콘택트 암은 복수개가 마련되는 것을 특징으로 한다.According to claim 2 of the present invention, a plurality of the resistance plate and the contact arm are provided.

본 발명의 청구항 3 기재에 의하면 상기 저항판은 얇은 두께의 세라믹기판인 것을 특징으로 한다.According to the third aspect of the present invention, the resistance plate is characterized in that the ceramic substrate of a thin thickness.

그리고 본 발명의 청구항 4 기재에 의하면 상기 센더 본체와 플로우트는 원통체인 것을 특징으로 한다.According to the fourth aspect of the present invention, the sender main body and the float are cylindrical.

또 본 발명의 청구항 5 기재에 의하면 상기 플로우트는 회전이 방지되는 각형 단면의 안내봉을 따라 상하 이동이 허용되는 것을 특징으로 한다.In addition, according to claim 5 of the present invention, the float is characterized in that the vertical movement is allowed along the guide rod of the rectangular cross section to prevent rotation.

또 본 발명의 청구항 6 기재에 의하면 상기 콘택트암은 탄성력을 갖도록 절곡되어 저항판과 탄력적으로 접촉하는 탄성판부재인 것을 특징으로 한다.In addition, according to the sixth aspect of the present invention, the contact arm is bent to have an elastic force and is characterized in that it is an elastic plate member that elastically contacts the resistance plate.

도 1은 본 발명에 의한 연료 센더의 정단면도1 is a front sectional view of a fuel sender according to the present invention.

도 2는 본 발명의 연료 센더의 평면도2 is a plan view of the fuel sender of the present invention;

도 3과 도 4는 종래기술3 and 4 prior art

※도면의 주요 부분에 대한 부호의 설명※ Explanation of code for main part of drawing

1 : 연료 탱크 2 : 센더 본체1: fuel tank 2: sender body

3 : 상부판 4 : 유입공3: top plate 4: inlet hole

5 : 내벽면 6 : 저항판5: inner wall surface 6: resistance plate

7 : 플로우트 8 : 콘택트암7 float 8: contact arm

8a : 콘택트 포인트 9 : 안내봉8a: contact point 9: guide rod

10 : 구멍10: hole

이하 본 발명의 구성과 작용을 첨부한 도면을 참조하여 설명한다.Hereinafter, the configuration and operation of the present invention will be described with reference to the accompanying drawings.

도 1은 본 발명에 의한 연료 센더를 나타내는 정단면도이며, 도 2는 본 발명의 연료 센더의 평면도이다.1 is a front sectional view showing a fuel sender according to the present invention, and FIG. 2 is a plan view of the fuel sender of the present invention.

도면중 부호 1은 연료 탱크이며, 연료 탱크(1)에는 센더 본체(2)가 상부로 부터 연료 탱크 바닥가까이까지 수직으로 장착되어 있다.In the drawing, reference numeral 1 denotes a fuel tank, and the sender main body 2 is vertically mounted on the fuel tank 1 from the top to the bottom of the fuel tank.

센더 본체(2)는 속이 빈 사각통체도 가능하나 원통체를 사용하는 것이 무난하다.The sender body 2 may be a hollow rectangular cylinder, but it is safe to use a cylindrical cylinder.

이 센더 본체(2)의 상부는 상부판(3)에 의해 막혀 있으나 하부는 유입공(4)등에 의해 개방되어 있어 내부로 연료가 유입되어 연료탱크(1)내의 액면과 동일 액면을 유지한다.The upper part of the sender main body 2 is blocked by the upper plate 3, but the lower part is opened by the inlet hole 4 or the like, so that fuel is introduced into the inside to maintain the same liquid level as the liquid level in the fuel tank 1.

상기 센더 본체(2) 내벽면(5)에는 수직 길이 방향으로 1개 이상의 세라믹기판으로 된 저항판(6)이 장착되며, 본 발명 실시예에서는 서로 대향되도록 2개소에 설치되어 있다.The inner wall surface 5 of the sender main body 2 is equipped with a resistance plate 6 made of at least one ceramic substrate in the vertical length direction, and is provided at two places so as to face each other in the embodiment of the present invention.

이 센더 본체(2)내에는 약간의 간격을 두고 플로우트(7)가 수용되며, 이 플로우트(7)의 양측에 고정된 콘택트암(8)의 선단(8a, 콘택트포인트)이 저항판(6)에 접촉하고 있다.The float 7 is accommodated in the sender main body 2 at a slight interval, and the tip 8a (contact point) of the contact arm 8 fixed to both sides of the float 7 is provided with a resistance plate 6. Contacting

콘택트암(8)은 탄성력을 갖도록 절곡되어 저항판(6)과 탄력적으로 접촉하는 탄성판부재로 형성된다.The contact arm 8 is formed of an elastic plate member that is bent to have an elastic force and elastically contacts the resistance plate 6.

그리고 센더 본체(2)의 중심에는 안내봉(9)이 플로우트(7)를 상하로 관통하여 수직으로 세워 설치되어 있으며, 구멍(10)과 안내봉(9)은 4각단면이어서 플로우트(7)의 회전을 방지하며, 플로우트(7)가 상하로 스므스하게 이동하는 것을 안내봉(9)이 안내하게 된다.In addition, the guide rod 9 is vertically installed in the center of the sender main body 2 by vertically penetrating the float 7. The hole 10 and the guide rod 9 are quadrangular sections, so that the float 7 The guide rod 9 guides the rotation of the float 7 smoothly up and down.

이와같은 본 발명은 센더 본체내에서 플로우트가 뜨게 되고 이 플로우트의 양측에 장착된 콘택트암과 저항판이 안정적으로 접촉하여 그 저항값에 의해 운전석 게이지상에 연료 잔량을 나타내게 된다.In the present invention, the float floats in the sender main body, and the contact arm mounted on both sides of the float and the resistance plate stably contact each other, thereby indicating the fuel level on the driver's seat gauge by the resistance value.

이상과 같은 본 발명에 의하면 플로우트가 원통 센더 본체 내부에 수용되어 승하강하므로 차량 진동이나 연료 유동에 의한 영향을 적게 받으므로 안전성과 정확성 및 신뢰성이 크게 향상되며, 플로우트 양측면에 장착된 2개의 콘택트에 의해 연료량을 검출하므로 갭(Gap) 발생이나 이물질에 의한 연료 잔량 측정 불능 상태를 줄일 수 있는 효과가 있다.According to the present invention as described above, since the float is accommodated inside the cylindrical sender body and ascended and lowered, the float is less affected by vehicle vibration or fuel flow, thereby greatly improving safety, accuracy, and reliability, and providing two contacts mounted on both sides of the float. Since the fuel amount is detected by this method, there is an effect of reducing the gap (gap) generation or the inability to measure the remaining fuel amount due to foreign substances.

Claims (6)

개방된 하부를 통하여 내부로 연료가 유입되도록 연료 탱크에 장착되는 센더 본체와;A sender body mounted to the fuel tank so that fuel flows into the inside through the opened lower portion; 상기 센더 본체 내벽면에 상하길이 방향으로 고정 장착되고, 상부에서 하부로 갈수록 저항값이 변화하는 저항판과;A resistor plate fixedly mounted to the inner wall of the sender body in a vertical length direction and having a resistance value changed from an upper portion to a lower portion; 상기 센더 본체내에 수용되어 액면에 추종하여 상하로 승하강 작동하는 플로우트와;A float accommodated in the sender main body to move up and down in accordance with a liquid level; 상기 플로우트의 일측에 상기 저항판과 접촉하도록 고정설치되는 콘택트 암;을 포함하여 구성하는 것을 특징으로 하는 연료 센더.And a contact arm fixed to one side of the float to come into contact with the resistance plate. 제 1 항에 있어서,The method of claim 1, 상기 저항판과 콘택트 암은 복수개가 마련되는 것을 특징으로 하는 연료 센더.The resistance plate and the contact arm is a fuel sender, characterized in that a plurality is provided. 제 1 항에 있어서,The method of claim 1, 상기 저항판은 얇은 두께의 세라믹기판인 것을 특징으로 하는 연료 센더.The resistance plate is a fuel sender, characterized in that the thin thickness of the ceramic substrate. 제 1 항에 있어서,The method of claim 1, 상기 센더 본체와 플로우트는 원통체인 것을 특징으로 하는 연료 센더.And the sender main body and the float are cylindrical bodies. 제 4 항에 있어서,The method of claim 4, wherein 상기 플로우트는 회전이 방지되는 각형 단면의 안내봉을 따라 상하 이동이 허용되는 것을 특징으로 하는 연료 센더.The float is a fuel sender, characterized in that the vertical movement is allowed along the guide rod of the rectangular cross section to prevent rotation. 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2, 상기 콘택트암은 탄성력을 갖도록 절곡되어 저항판과 탄력적으로 접촉하는 탄성판부재인 것을 특징으로 하는 연료 센더.And the contact arm is an elastic plate member that is bent to have an elastic force and elastically contacts the resistance plate.
KR1019990067593A 1999-12-31 1999-12-31 Fuel sender KR20010066011A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100615942B1 (en) * 2006-05-04 2006-08-28 김은주 Device for measuring a gis water level

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5315353U (en) * 1976-07-21 1978-02-08
JPS5594528U (en) * 1979-12-28 1980-06-30
JPS62106123U (en) * 1985-12-23 1987-07-07
KR0168115B1 (en) * 1993-12-10 1999-05-01 전성원 Fuel quantity measuring device of car fuel tank

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5315353U (en) * 1976-07-21 1978-02-08
JPS5594528U (en) * 1979-12-28 1980-06-30
JPS62106123U (en) * 1985-12-23 1987-07-07
KR0168115B1 (en) * 1993-12-10 1999-05-01 전성원 Fuel quantity measuring device of car fuel tank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100615942B1 (en) * 2006-05-04 2006-08-28 김은주 Device for measuring a gis water level

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