KR100860234B1 - Fuel pump driver for gas fuel vehicles - Google Patents

Fuel pump driver for gas fuel vehicles Download PDF

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Publication number
KR100860234B1
KR100860234B1 KR1020070084798A KR20070084798A KR100860234B1 KR 100860234 B1 KR100860234 B1 KR 100860234B1 KR 1020070084798 A KR1020070084798 A KR 1020070084798A KR 20070084798 A KR20070084798 A KR 20070084798A KR 100860234 B1 KR100860234 B1 KR 100860234B1
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KR
South Korea
Prior art keywords
driver
fuel pump
fuel
housing
power connector
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KR1020070084798A
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Korean (ko)
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임재규
신용남
이동건
이병주
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(주)모토닉
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/08—Feeding by means of driven pumps electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/08—Feeding by means of driven pumps electrically driven
    • F02M2037/082—Details of the entry of the current supply lines into the pump housing, e.g. wire connectors, grommets, plugs or sockets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

A fuel pump driver for gas fuel vehicles is provided to reduce the number of parts by connecting power to a signal line only by a connector, and to maximize space utilization by reducing the size of the fuel pump driver, and to reduce power consumption by omitting a cable. A fuel pump driver for gas fuel vehicles is installed at a multi valve unit which is mounted to a fuel tank of a gas fuel vehicle, and includes a driver housing(41) in which a PCB is installed, and a driver cover(44) which opens or closes the upper opening of the driver housing. A power connector(42) and a pump power connector are provided on the driver housing. When viewing the fuel pump driver from an upper position, the driver housing has a fan shape, and the PCB installed in the driver housing has a shape corresponding to the driver housing.

Description

가스연료 차량용 연료 펌프 드라이버{Fuel Pump Driver For Gas Fuel Vehicles}Fuel Pump Driver For Gas Fuel Vehicles

본 고안은 가스연료 차량용 연료 펌프 드라이버에 관한 것으로, 특히 전선이 없도록 커넥터가 일체로 형성되고 크기가 작은 가스연료 차량용 연료 펌프 드라이버에 관한 것이다.The present invention relates to a fuel pump driver for a gas fuel vehicle, and more particularly to a fuel pump driver for a small size gas fuel vehicle with a connector integrally formed so that there is no wire.

일반적으로, 일반적으로 LPG(이하 '엘피지'라고 한다.)는 액화석유가스라고도 하며 엘피지 차량의 연료로 사용된다. In general, LPG (hereinafter referred to as 'LPG') is also referred to as liquefied petroleum gas and is used as fuel for the LPG vehicle.

여기서 엘피지 차량에 적용되고 있는 LPI 시스템(LPG Injection; 이하 '엘피아이'라 한다.)은 엘피지 차량의 연료탱크인 봄베 내에 연료 펌프를 장착하고, 연료 펌프의 작동에 의해 연료를 가압하여 형성된 액상 상태의 연료가 인젝터를 통해 각각의 실린더에 산출된 양이 분사되도록 한다.The LPI system (LPG Injection, hereinafter referred to as `` elpia ''), which is applied to an LPI vehicle, is a liquid state formed by mounting a fuel pump in a cylinder, which is a fuel tank of an LPI vehicle, and pressurizing the fuel by the operation of the fuel pump. Of fuel is injected through the injector into the calculated amount of each cylinder.

상기 엘피아이 시스템이 적용되는 차량에 장착되는 엔진은 연료 펌프 드라이버를 통해 제어된다.The engine mounted on the vehicle to which the Elpia system is applied is controlled through a fuel pump driver.

여기서 상기 연료 펌프 드라이버는 도 1에 도시된 바와 같이 형성되어, ECU(미도시)로부터 신호를 받아 연료 라인의 압력, 온도 및 운전 조건에 따라 연료 분사량과 연료 펌프의 구동 속도를 결정하여 출력되는 신호로 연료 펌프의 구동을 제어한다.Here, the fuel pump driver is formed as shown in FIG. 1 and receives a signal from an ECU (not shown) to determine the fuel injection amount and the driving speed of the fuel pump according to the pressure, temperature, and operating conditions of the fuel line and output the signal. To control the driving of the fuel pump.

상기와 같은 연료 펌프 드라이버(1)는 연료 펌프의 상단 즉 멀티 밸브부에 설치되며, 반원의 형상의 외부 케이스를 갖고, 그 내측에는 연료 펌프의 구동을 제어하도록 PCB(4)가 내장된다.The fuel pump driver 1 as described above is installed at the upper end of the fuel pump, that is, the multi-valve part, has a semicircular outer case, and the PCB 4 is embedded therein to control the driving of the fuel pump.

또한, 연료 펌프 드라이버(1) 외부 케이스의 일측에는 연료 펌프 드라이버(1)에 전원을 공급하는 전원 케이플(2)이 돌출어 연결되어 있고, 타측에는 연료 펌프와 연결되는 펌프 전원 케이블(3)이 돌출되어 연결된다.In addition, one side of the fuel pump driver 1 outer case is connected to the power supply cable 2 for supplying power to the fuel pump driver 1 protrudingly connected, the other side of the pump power cable (3) connected to the fuel pump It protrudes and is connected.

그리고, 상기 PCB(4)는 도 1(c)에 도시된 바와 같이, 연료 펌프 드라이버의 외부 케이스와 같이 반원 형상을 같는다.The PCB 4 has the same semi-circular shape as the outer case of the fuel pump driver, as shown in FIG.

그러나 종래의 연료 펌프 드라이버는 그 양쪽에 전원 케이블이 연결되어 케이블의 처리를 깔끔하게 하는데 어려움이 있었다.However, in the conventional fuel pump driver, power cables are connected to both sides, which makes it difficult to clean the cable.

또한, 연료 펌프 드라이버의 외부 케이스 및 PCB의 크기가 커 많은 공간을 많이 차지하여 활용도가 낮았고 단가 상승의 원인이 되었다.In addition, the large size of the outer case and PCB of the fuel pump driver occupies a lot of space, resulting in low utilization and an increase in unit cost.

본 발명의 목적은 상술한 바와 같은 문제점을 해결하기 위한 것으로서, 케이블 없이 전원을 연결할 수 있고, 부품수를 줄인 가스연료 차량용 연료 펌프 드라이버를 제공하는 것이다.SUMMARY OF THE INVENTION An object of the present invention is to provide a fuel pump driver for a gas fuel vehicle, which can be connected to a power source without a cable and reduces the number of parts.

또한, 본 발명의 다른 목적은 연료 펌프 드라이버의 크기를 최소화하여 공간활용도를 높이고, PCB의 크기를 줄여 원가가 절감되는 가스연료 차량용 연료 펌프 드라이버를 제공하는 것이다.In addition, another object of the present invention is to provide a fuel pump driver for a gas fuel vehicle that minimizes the size of the fuel pump driver to increase the space utilization, the cost of the PCB by reducing the size.

상기 목적을 달성하기 위해 본 발명의 가스연료 차량용 연료 펌프 드라이버는 가스 연료 차량의 연료 탱크에 장착된 멀티 밸브부에 설치되는 것으로, PCB를 내장하는 드라이버 하우징과, 상기 드라이버 하우징의 상부 개구를 개폐하는 드라이버 커버를 포함하는 연료펌프 드라이버에 있어서, 상기 드라이버의 하우징에는 전원 커넥터와 펌프 전원 커넥터가 각각 형성되고, 위쪽에서 바라볼 때, 상기 드라이버 하우징은 부채꼴 형상을 갖고, 드라이버 하우징에 내장되는 PCB도 상기 드라이버 하우징의 형상에 대응하는 형상으로 형성된 것을 특징으로 한다.In order to achieve the above object, the fuel pump driver for a gas fuel vehicle of the present invention is installed in a multi-valve unit mounted to a fuel tank of a gas fuel vehicle, and opens and closes a driver housing including a PCB and an upper opening of the driver housing. In the fuel pump driver including a driver cover, a power connector and a pump power connector are respectively formed in the housing of the driver, and when viewed from above, the driver housing has a fan shape, and the PCB embedded in the driver housing is also Characterized in that the shape corresponding to the shape of the driver housing.

삭제delete

또한, 상기 전원 커넥터는 드라이버의 일 측면에 형성되고, 펌프 전원 커넥터는 드라이버의 저면에 형성되어 연료 펌프와 바로 연결되게 형성된 것을 특징으로 한다.In addition, the power connector is formed on one side of the driver, the pump power connector is formed on the bottom of the driver is characterized in that it is formed to be directly connected to the fuel pump.

또한, 상기 드라이버의 일 측면에는 방열판이 부착된 것을 특징으로 한다.In addition, one side of the driver is characterized in that the heat sink is attached.

상술한 바와 같이, 본 발명에 따른 가스연료 차량용 연료 펌프 드라이버에 의하면 전원과 신호선이 커넥터에 의해서만 연결되므로 부품수를 줄일 수 있고, 케이블이 없으므로 펌프간 차량간 조립이 용이하다.As described above, according to the fuel pump driver for a gas fuel vehicle according to the present invention, since the power supply and the signal line are connected only by the connector, the number of parts can be reduced, and there is no cable, so the assembly between the vehicles between the pumps is easy.

또한, 본 발명에 따르면, 연료 펌프 드라이버의 크기가 줄어들어 공간 활용이 극대화되므로 커넥터 등이 결합되어도 멀티 밸브부의 측면으로 돌출되는 경우가 없다.In addition, according to the present invention, since the size of the fuel pump driver is reduced to maximize space utilization, there is no case where the connector or the like protrudes to the side of the multi-valve unit.

또한, 케이블 생략에 따라 케이블에서 발생하는 전력 손실이 줄어든다.In addition, the cable loss reduces the power loss in the cable.

또한, 본 발명에 따르면 드라이버 하우징과 그것에 내장된 PCB의 크기 또한 줄어들어 원가 절감이 가능하다.In addition, according to the present invention, the size of the driver housing and the PCB embedded therein is also reduced, which enables cost reduction.

이하, 첨부한 도면에 의거하여 본 발명의 양호한 실시예들을 상세히 설명한 다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 2에 도시된 바와 같이, 가스연료 차량의 연료 탱크인 봄베(10)에 연료 펌프가 조립되고, 봄베(10)의 외측으로 돌출되게 설치되는 멀티 밸브부(30)에 본 발명의 가스연료 차량용 연료 펌프 드라이버가 설치된다. 물론, 상기 봄베(10) 내에는 연료 펌프(미도시)가 내장되어 있다.As shown in FIG. 2, the fuel pump is assembled to the cylinder 10, which is the fuel tank of the gas fuel vehicle, and the gas fuel vehicle of the present invention is provided in the multi-valve unit 30 installed to protrude out of the cylinder 10. The fuel pump driver is installed. Of course, a fuel pump (not shown) is built in the cylinder 10.

상기 멀티 밸브부(30)는 원판상의 베이스판(31)과, 이 베이스판(31)으로부터 돌출된 밸브블럭(32)으로 이루어지고, 상기 밸브블럭(32)에는 연료 펌프에 의해 봄베(10)내의 액상연료를 엔진(미도시)으로 공급하는 공급유로(33)와, 엔진으로부터 리턴되는 연료를 연료탱크 내로 재유입시키는 리턴유로(34)가 형성된다.The multi-valve portion 30 is composed of a disc-shaped base plate 31 and a valve block 32 protruding from the base plate 31. The valve block 32 includes a cylinder 10 by a fuel pump. A supply passage 33 for supplying the liquid fuel therein to the engine (not shown) and a return passage 34 for injecting the fuel returned from the engine into the fuel tank are formed.

그리고 상기 밸브블럭(32)에 간섭되지 않도록 연료 펌프 드라이버(40)가 설치되고, 연료 펌프 드라이버(40)는 유로의 압력, 온도 및 운전 조건에 따라 연료 분사량과 연료 펌프의 구동 속도를 결정하여 출력되는 신호로 연료 펌프의 구동을 제어한다.And the fuel pump driver 40 is installed so as not to interfere with the valve block 32, the fuel pump driver 40 determines the fuel injection amount and the driving speed of the fuel pump according to the pressure, temperature and operating conditions of the flow path and outputs The driven signal controls the driving of the fuel pump.

상기 연료 펌프 드라이버(40)는 하우징(41), 상기 하우징(41)의 내측에 위치하는 PCB(45), 연료 펌프 드라이버(40) 외측에 부착되는 방열판(46), 하우징(41)을 덮는 커버(44)로 구성된다.The fuel pump driver 40 covers a housing 41, a PCB 45 located inside the housing 41, a heat sink 46 attached to an outside of the fuel pump driver 40, and a housing 41. It consists of 44.

구체적으로 상기 하우징(41)은 상면이 개방된 부채꼴 형상의 케이스로 형성되고, 상기 부채꼴은 그 각이 90°인 것이 바람직하며, 연료 펌프 드라이버(40)에 전원을 공급하는 전원 커넥터(42) 및 연료 펌프에 연결되는 펌프 전원 커넥터(43)가 일체로 형성된다.Specifically, the housing 41 is formed as a fan-shaped case having an open top surface, the fan is preferably an angle of 90 °, the power connector 42 for supplying power to the fuel pump driver 40 and A pump power connector 43 connected to the fuel pump is integrally formed.

이때, 상기 전원 커넥터(42)는 하우징(41)의 일 측면에 돌출되게 형성되어 전원 및 신호선(미도시)이 연결될 수 있도록 하고, 펌프 전원 커넥터(43)는 하우징(41)의 하측에 형성되어 멀티 밸브부(30)에 형성된 전원 연결구(미도시)에 끼워져 연료 펌프에 전원을 공급한다.At this time, the power connector 42 is formed to protrude on one side of the housing 41 so that the power and signal lines (not shown) can be connected, the pump power connector 43 is formed on the lower side of the housing 41 It is inserted into a power connector (not shown) formed in the multi-valve unit 30 to supply power to the fuel pump.

또한, 상기 하우징(41)의 내부에는 상기 하우징(41)의 내측면 형상에 대응하는 PCB(45)가 설치되어 연료 펌프의 구동을 제어하고, 상기 PCB(45)는 하우징(41)의 형상에 상응하도록 부채꼴 형상으로 형성되며 하우징(41)의 내측면에 간섭되지 않도록 하우징(41)보다 작게 형성된다.In addition, a PCB 45 corresponding to the inner surface shape of the housing 41 is installed inside the housing 41 to control the driving of the fuel pump, and the PCB 45 has a shape of the housing 41. It is correspondingly formed in a fan shape and is formed smaller than the housing 41 so as not to interfere with the inner surface of the housing 41.

그리고, PCB(45)가 조립되면 그 상측으로 하우징(41)의 상편을 마감하는 커버(44)가 조립되어 PCB(45)가 손상되는 것을 방지한다.Then, when the PCB 45 is assembled, a cover 44 for closing the upper portion of the housing 41 to the upper side thereof is assembled to prevent the PCB 45 from being damaged.

한편, 하우징(41)의 외측면의 일측에는 전원 커넥터(42)가 형성되고, 타측에는 방열판(46)이 설치되어 연료 펌프 드라이버(40)에서 발생하는 열을 외부로 방출하도록 한다. 상기 방열판(46)에는 다수의 방열핀이 돌출되게 형성되어 있다.On the other hand, the power connector 42 is formed on one side of the outer surface of the housing 41, the heat sink 46 is installed on the other side to discharge the heat generated by the fuel pump driver 40 to the outside. The heat sink 46 is formed to protrude a plurality of heat radiation fins.

상기와 같은 구성에 따라 연료 펌프 드라이버(40)의 전원 커넥터(42)를 통해 연료 펌프 드라이버(40)가 작동하고, 펌프 전원 커넥터(43)에 의해 연료 펌프의 구동을 제어할 수 있다.According to the above configuration, the fuel pump driver 40 operates through the power connector 42 of the fuel pump driver 40, and the driving of the fuel pump can be controlled by the pump power connector 43.

도 1은 종래 기술에 따른 가스연료 차량용 연료 펌프 드라이버를 나타낸 도면1 is a view showing a fuel pump driver for a gas fuel vehicle according to the prior art

도 2는 본 발명에 따른 가스연료 차량용 연료 펌프 드라이버의 장착 모습을 나타낸 도면2 is a view showing a mounting state of a fuel pump driver for a gas fuel vehicle according to the present invention.

도 3은 본 발명에 따른 드라이버를 사시도로 나타낸 도면3 is a perspective view of a driver according to the present invention;

도 4는 본 발명에 따른 드라이버를 분해하여 사시도로 나타낸 도면4 is an exploded perspective view showing a driver according to the present invention;

도 5는 본 발명에 따른 드라이버를 하측에서 나타낸 도면5 is a view showing a driver according to the present invention from below;

* 도면의 주요 구성에 대한 부호의 설명 * Explanation of symbols on the main components of the drawings

10 : 봄베10: bomb

30 : 멀티 밸브부30: multi valve portion

31 : 베이스판31: base plate

32 : 밸브블럭32: valve block

40 : 드라이버40: driver

41 : 하우징41: housing

42 : 전원 커넥터42: power connector

43 : 펌프 전원 커넥터43: pump power connector

44 : 커버44: cover

45 : PCB45: PCB

46 : 방열판46: heat sink

Claims (4)

가스 연료 차량의 연료 탱크에 장착된 멀티 밸브부에 설치되는 것으로, PCB를 내장하는 드라이버 하우징과, 상기 드라이버 하우징의 상부 개구를 개폐하는 드라이버 커버를 포함하는 연료펌프 드라이버에 있어서,A fuel pump driver installed in a multi-valve unit mounted to a fuel tank of a gas fuel vehicle, the driver including a PCB and a driver cover for opening and closing an upper opening of the driver housing, the fuel pump driver comprising: 상기 드라이버의 하우징에는 전원 커넥터와 펌프 전원 커넥터가 각각 형성되고, A power connector and a pump power connector are respectively formed in the housing of the driver. 위쪽에서 바라볼 때, 상기 드라이버 하우징은 부채꼴 형상을 갖고, 드라이버 하우징에 내장되는 PCB도 상기 드라이버 하우징의 형상에 대응하는 형상으로 형성된 것을 특징으로 하는 가스연료 차량용 연료 펌프 드라이버.As viewed from above, the driver housing has a fan shape, and the PCB embedded in the driver housing is also formed in a shape corresponding to the shape of the driver housing. 삭제delete 제1항에 있어서,The method of claim 1, 상기 전원 커넥터는 드라이버의 일 측면에 형성되고, 펌프 전원 커넥터는 드라이버의 저면에 형성되어 연료 펌프와 바로 연결되게 형성된 것을 특징으로 하는 가스연료 차량용 연료 펌프 드라이버.The power connector is formed on one side of the driver, the pump power connector is formed on the bottom of the driver fuel pump driver for a gas fuel vehicle, characterized in that formed directly connected to the fuel pump. 제1항 또는 제3항에 있어서,The method according to claim 1 or 3, 상기 드라이버의 일 측면에는 방열판이 부착된 것을 특징으로 하는 가스연료 차량용 연료 펌프 드라이버.A fuel pump driver for a gas fuel vehicle, characterized in that a heat sink is attached to one side of the driver.
KR1020070084798A 2007-08-23 2007-08-23 Fuel pump driver for gas fuel vehicles KR100860234B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101987457B1 (en) * 2018-02-20 2019-06-12 (주)모토닉 Fuel supply control apparatus for LPI vehicle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960002018Y1 (en) * 1994-04-28 1996-03-07 한국몰렉스 주식회사 Connector for fuel pump
KR200193478Y1 (en) 2000-03-06 2000-08-16 주식회사유니크 Fuel pump flange for car
KR20040087017A (en) * 2003-04-04 2004-10-13 지엠대우오토앤테크놀로지주식회사 Supply structure of pump power and signal of LPG tank for automobiles
JP2006161599A (en) * 2004-12-03 2006-06-22 Denso Corp Fuel supply device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960002018Y1 (en) * 1994-04-28 1996-03-07 한국몰렉스 주식회사 Connector for fuel pump
KR200193478Y1 (en) 2000-03-06 2000-08-16 주식회사유니크 Fuel pump flange for car
KR20040087017A (en) * 2003-04-04 2004-10-13 지엠대우오토앤테크놀로지주식회사 Supply structure of pump power and signal of LPG tank for automobiles
JP2006161599A (en) * 2004-12-03 2006-06-22 Denso Corp Fuel supply device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101987457B1 (en) * 2018-02-20 2019-06-12 (주)모토닉 Fuel supply control apparatus for LPI vehicle

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