KR20060012772A - Actuator of inhalation manifold - Google Patents

Actuator of inhalation manifold Download PDF

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Publication number
KR20060012772A
KR20060012772A KR1020040061410A KR20040061410A KR20060012772A KR 20060012772 A KR20060012772 A KR 20060012772A KR 1020040061410 A KR1020040061410 A KR 1020040061410A KR 20040061410 A KR20040061410 A KR 20040061410A KR 20060012772 A KR20060012772 A KR 20060012772A
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KR
South Korea
Prior art keywords
gear
valve
intake manifold
actuator
case
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KR1020040061410A
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Korean (ko)
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KR100577636B1 (en
Inventor
임재규
전완재
정병선
최정령
전성민
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대성정기 주식회사
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Priority to KR1020040061410A priority Critical patent/KR100577636B1/en
Publication of KR20060012772A publication Critical patent/KR20060012772A/en
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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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/104—Intake manifolds
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10373—Sensors for intake systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing
    • F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack

Abstract

본 발명은 흡기매니폴드의 액츄에이터에 관한 것으로, 흡기매니폴드(200)에 체결되는 케이스(100)와; 구동축에 피니언기어(24)가 구비되어 상기 케이스(100) 내에 설치된 구동모터(2)와; 복수의 기어부를 가지며 상기 케이스(100) 내에 축결합 된 2단기어부(4)와; 상기 복수의 기어부에 치합되며 밸브샤프트(400)를 중심축으로 하는 밸브기어부(6)와; 상기 밸브기어부(6)의 일측에 설치되어 밸브샤프트(400)의 회동각도를 감지하는 센서부(8)와; 상기 센서부(8)의 신호를 입력받아 구동모터(2)의 동작을 제어하는 제어부;를 포함하여 이루어진다.The present invention relates to an actuator of an intake manifold, comprising: a case (100) fastened to the intake manifold (200); A drive motor 2 provided with a pinion gear 24 in a drive shaft and installed in the case 100; A two-stage gear part (4) having a plurality of gear parts and axially coupled in the case (100); A valve gear part (6) which is engaged with the plurality of gear parts and has a valve shaft (400) as a central axis; A sensor unit 8 installed at one side of the valve gear unit 6 to detect a rotation angle of the valve shaft 400; And a controller configured to control the operation of the driving motor 2 by receiving a signal from the sensor unit 8.

흡기매니폴드, 흡기, 액츄에이터, 기어, 치합, 샤프트Intake Manifold, Intake, Actuator, Gear, Gear, Shaft

Description

흡기매니폴드의 액츄에이터 { actuator of inhalation manifold }Actuator of intake manifold {actuator of inhalation manifold}

도 1은, 종래 기술에 대한 사시도.1 is a perspective view of a prior art.

도 2는, 본 발명에 따른 흡기매니폴드의 액츄에이터의 실시예를 나타낸 사시도.2 is a perspective view showing an embodiment of the actuator of the intake manifold according to the present invention.

도 3은, 도 2에서 액츄에이터의 내부구조를 나타낸 도면.3 is a view showing the internal structure of the actuator in FIG.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

2 : 구동모터 4 : 2단기어부2: drive motor 4: two-stage gear unit

6 : 밸브기어부 8 : 센서부6: valve gear part 8: sensor part

본 발명은 흡기매니폴드의 액츄에이터에 관한 것으로, 더욱 상세하게는 밸브샤프트와 구동모터를 다수의 기어로 치합시켜 일체화시킨 흡기매니폴드의 액츄에이터에 관한 것이다.The present invention relates to an actuator of an intake manifold, and more particularly, to an actuator of an intake manifold in which a valve shaft and a driving motor are engaged by a plurality of gears to be integrated.

종래 흡기매니폴드는 도 1에 나타낸 바와 같이, 공기가 흡입되는 흡입구(210')가 일측에 형성되어 있고, 이에 연통되어 다수의 통공(220')이 형성되며, 상 기 통공(220')에는 밸브판(300')이 밸브샤프트(400')에 연결되어 설치되어 이루어진 흡기매니폴드(200')와; 상기 흡기매니폴드(200')의 일측에 설치되어 상기 밸브샤프트(400')와 연결된 액츄에이터(A')로 크게 나누어진다.In the conventional intake manifold, as shown in FIG. 1, an air inlet 210 ′ is formed at one side, and a plurality of through holes 220 ′ are formed in communication with the air intake manifold. An intake manifold 200 'formed by connecting the valve plate 300' to the valve shaft 400 '; It is installed in one side of the intake manifold (200 ') is largely divided into an actuator (A') connected to the valve shaft (400 ').

상기 액츄에이터(A')는 밸브판(300')의 개폐를 제어하기 위한 것으로, 브라켓(500')에 의해 흡기매니폴드(200')와 연결되어 있으며, 밸브샤프트(400')와 액츄에이터(A')의 구동모터(2')가 커플링(22')에 의해 연결되어 있다.The actuator A 'is for controlling opening and closing of the valve plate 300', and is connected to the intake manifold 200 'by the bracket 500', and the valve shaft 400 'and the actuator A The drive motor 2 'of') is connected by the coupling 22 '.

그런데, 상술한 종래 액츄에이터(A')는 진동에 의해 브라켓(500')의 결합상태가 느슨하게 되어 진동에 대해 매우 취약한 구조일 뿐만 아니라, 밸브샤프트(400')와 구동모터(2')의 축이 커플링(22')을 통해 연결되어 있어 서로 뒤틀리는 현상 및 유격이 발생하여 밸브 개폐도의 제어가 부정확하게 되는 문제점이 있었다.However, the above-described conventional actuator (A ') is not only a structure that is very vulnerable to vibration due to the loose coupling state of the bracket 500' by vibration, the shaft of the valve shaft 400 'and the drive motor 2' There is a problem in that the control of the valve opening and closing degree is inaccurate due to the connection and coupling between the coupling 22 'and the occurrence of play and play.

본 발명은 상기한 종래 기술의 문제점을 해소하기 위해 안출된 것으로, 진동시의 취약함을 보강하기 위해 브라켓을 제거하고, 밸브샤프트와 제어 모터부의 연결구조를 개선하여 오작동을 방지할 수 있도록 한 흡기매니폴드의 액츄에이터를 제공하는데 그 목적이 있다.
The present invention has been made to solve the above-mentioned problems of the prior art, remove the bracket to reinforce the weakness during vibration, and improve the connection structure of the valve shaft and the control motor unit intake to prevent malfunction The purpose is to provide an actuator of the manifold.

상기한 목적을 달성하기 위해 본 발명은,The present invention to achieve the above object,

일측에 흡입구가 형성되며 내측에는 밸브판을 구비한 흡기매니폴드에 설치되 며, 상기 밸브판의 개폐를 제어하도록 밸브샤프트를 구동시키는 흡기매니폴드의 액츄에이터에 있어서,In the inlet port is formed on one side and installed on the intake manifold having a valve plate on the inside, in the actuator of the intake manifold for driving the valve shaft to control the opening and closing of the valve plate,

상기 흡기매니폴드의 일측에 설치되며, 그 내측에 수용홈이 형성된 케이스와;A case installed at one side of the intake manifold and having a receiving groove formed therein;

구동축에 피니언기어가 구비되어 상기 케이스 내에 설치된 구동모터와; A drive motor provided with a pinion gear in a drive shaft and installed in the case;

복수의 기어부를 가지며 상기 케이스 내에 축결합 된 2단기어부와;A two-stage gear part having a plurality of gear parts and axially coupled to the case;

상기 2단기어부에 치합되며 밸브샤프트를 중심축으로 하는 밸브기어부와;A valve gear portion meshed with the second stage gear portion and having a valve shaft as a central axis;

상기 밸브기어부의 일측에 설치되어 밸브샤프트의 회동각도를 감지하는 센서부와;A sensor unit installed at one side of the valve gear unit to sense a rotation angle of the valve shaft;

를 포함하여 이루어짐을 특징으로 한다.Characterized in that comprises a.

이하 본 발명의 바람직한 실시예를 첨부된 도면을 토대로 상세하게 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

첨부된 도면 중에서, 도 2는 본 발명에 따른 흡기매니폴드의 액츄에이터의 실시예를 나타낸 사시도이고, 도 3은 도 2에서 액츄에이터의 내부구조를 나타낸 도면이다.In the accompanying drawings, Figure 2 is a perspective view showing an embodiment of the actuator of the intake manifold according to the present invention, Figure 3 is a view showing the internal structure of the actuator in FIG.

본 발명은 케이스(100) 내에 구동모터(2)와, 2단기어부(4) 및 밸브기어부(6)를 수용하여, 밸브샤프트(400)와 연결시켜서 흡기매니폴드(200)의 일측에 고정시킨다.The present invention accommodates the drive motor 2, the second stage gear portion 4 and the valve gear portion 6 in the case 100, connected to the valve shaft 400 and fixed to one side of the intake manifold 200 Let's do it.

상기 케이스(100)는, 내측에 수용홈(110)이 형성되고, 외주면에는 나사공(122)을 갖는 다수의 결합부(120)가 형성된 것이며, 상기 흡기매니폴드(200)에는 상기 결합부(120)에 대응하는 나사공(미도시)이 형성되어 있어, 케이스(100)와 흡기매니폴드(200)가 볼트 체결에 의해 결합될 수 있도록 한다.The case 100 has an accommodation groove 110 formed therein, and a plurality of coupling portions 120 having screw holes 122 are formed on an outer circumferential surface thereof, and the coupling portions (200) are formed on the intake manifold 200. A screw hole (not shown) corresponding to 120 is formed, so that the case 100 and the intake manifold 200 can be coupled by bolting.

상기 구동모터(2)는, DC 모터를 사용하며, 제어부(미도시)의 신호를 받아 온/오프 동작이 이루어지게 되며, 구동축에는 소정의 피니언기어(24)가 설치되어 있다.The drive motor 2 uses a DC motor, and the on / off operation is performed by receiving a signal from a controller (not shown), and a predetermined pinion gear 24 is provided on the drive shaft.

상기 2단기어부(4)는, 상기 피니언기어(24)와 치합되는 대기어(42)가 외측에 형성되고, 상기 대기어(42)와 동일한 축상에 소기어(44)가 형성된 것으로, 축결합에 의해 회전이 가능하게 상기 케이스(100) 내에 설치된다.The second gear portion 4 is formed with an outer gear 42 meshed with the pinion gear 24 and a small gear 44 formed on the same shaft as the outer gear 42. It is installed in the case 100 to enable rotation by.

상기 밸브기어부(6)는, 내측에 자석(64)이 내장된 원판(66)의 중심에 밸브샤프트(400)가 결합되어, 이를 중심축으로 하며, 상기 원판(66)의 외측에는 상기 소기어(44)에 치합되는 밸브기어(62)가 형성된다.The valve gear portion 6, the valve shaft 400 is coupled to the center of the disc 66, the magnet 64 is embedded therein, the central axis, and the outer side of the disc 66 A valve gear 62 is formed to engage the gear 44.

이때, 상기 밸브기어(62)는 호의 길이가 대략 원의 1/4 정도 되는 부채꼴형상의 본체(60)와, 이 본체(60)의 외주면에 형성된 치차로 이루어진다. At this time, the valve gear 62 is composed of a fan-shaped main body 60 having an arc length of about one quarter of a circle, and a tooth formed on the outer circumferential surface of the main body 60.

상기 센서부(8)는, 자석(64)에 대응하는 홀소자(hall sensor)(82)가 케이스(100)에 고정된 몸체(80)의 일측에 형성되어 이루어진 것이며, 자석(64)와 홀소자(82) 사이에 형성된 자기장 변위값을 입력받아 이를 데이터베이스와 비교 연산하여 해당되는 밸브기어(62)의 회동각도 값을 산출한다.The sensor unit 8 is formed by forming a hall sensor 82 corresponding to the magnet 64 on one side of the body 80 fixed to the case 100, and the magnet 64 and the hole. The magnetic field displacement value formed between the elements 82 is received and compared with the database to calculate a rotation angle value of the corresponding valve gear 62.

이와 같이 구성된 본 발명의 작동관계를 설명하면 다음과 같다.Referring to the operating relationship of the present invention configured as described above are as follows.

차량의 ECU에서 엔진의 목표 성능에 대한 기준 밸브 개폐도값을 신호로 주면, 상기 제어부에서 이를 받아 PWM(pulse width modulation) 제어방식을 이용하여 구동모터(2)를 정방향 또는 역방향으로 구동시켜서 2단기어부(4)를 통해 밸브기어부(6)가 회전됨으로써 이에 연동되어 밸브샤프트(400) 및 그에 연결된 밸브판(300)이 구동되어 개폐됨으로써 공기의 흐름량을 제어하게 된다.When the ECU of the vehicle gives a reference valve opening and closing value for the target performance of the engine as a signal, the control unit receives it and drives the driving motor 2 in the forward or reverse direction by using a pulse width modulation (PWM) control method. As the valve gear part 6 is rotated through the fisherman 4, the valve shaft 400 and the valve plate 300 connected thereto are driven and opened to control the flow rate of air.

이때, 상기 밸브판(300)의 개폐정도는 상기 홀소자(82)와 밸브기어(62) 내측의 자석(64) 사이의 자기장 변위값을 측정한 후 이를 제어부에서 연산한 다음 이 연산된 값을 기준으로 하여 구동모터(2)의 구동여부 및 방향을 결정하게 된다.At this time, the opening and closing degree of the valve plate 300 is measured by the magnetic field displacement value between the Hall element 82 and the magnet 64 inside the valve gear 62 and then calculated by the control unit and then the calculated value As a reference, it is determined whether the driving motor 2 is driven or not.

이상에서 설명한 바와 같이, 본 발명에 따른 흡기매니폴드의 액츄에이터는 종래 액츄에이터와 달리 브라켓을 없앰으로써 진동에 대해 내구성을 갖도록 하였으며, 밸브샤프트와 구동모터를 기어에 의해 직접 연결시킴으로써 동작의 정확성을 향상시킬 수 있는 장점이 제공된다.

As described above, the actuator of the intake manifold according to the present invention has a durability against vibration by removing the bracket, unlike the conventional actuator, and improves the accuracy of operation by directly connecting the valve shaft and the drive motor by a gear Advantages are provided.

Claims (5)

일측에 흡입구가 형성되며 내측에는 밸브판을 구비한 흡기매니폴드에 설치되며, 상기 밸브판의 개폐를 제어하도록 밸브샤프트를 구동시키는 흡기매니폴드의 액츄에이터에 있어서,In the intake port is formed on one side and installed in the intake manifold having a valve plate on the inside, the actuator of the intake manifold for driving the valve shaft to control the opening and closing of the valve plate, 상기 흡기매니폴드(200)의 일측에 설치되며, 그 내측에 수용홈(110)이 형성된 케이스(100)와;A case 100 installed at one side of the intake manifold 200 and having an accommodation groove 110 formed therein; 구동축에 피니언기어(24)가 구비되어 상기 케이스(100) 내에 설치된 구동모터(2)와; A drive motor 2 provided with a pinion gear 24 in a drive shaft and installed in the case 100; 복수의 기어부를 가지며 상기 케이스(100) 내에 축결합 된 2단기어부(4)와;A two-stage gear part (4) having a plurality of gear parts and axially coupled in the case (100); 상기 2단기어부(4)에 치합되며 밸브샤프트(400)를 중심축으로 하는 밸브기어부(6)와;A valve gear portion 6 meshed with the second stage gear portion 4 and having a valve shaft 400 as a central axis; 상기 밸브기어부(6)의 일측에 설치되어 밸브샤프트(400)의 회동각도를 감지하는 센서부(8)와;A sensor unit 8 installed at one side of the valve gear unit 6 to detect a rotation angle of the valve shaft 400; 를 포함하여 이루어진 것을 특징으로 하는 흡기매니폴드의 액츄에이터.Actuator of the intake manifold, characterized in that consisting of. 제1항에 있어서,The method of claim 1, 상기 2단기어부(4)는, 상기 피니언기어(24)와 치합되는 대기어(42)가 외측에 형성되고, 상기 대기어(42)와 동일한 축상에 소기어(44)가 형성된 것을 특징으로 하는 흡기매니폴드의 액츄에이터.The second gear unit 4 is characterized in that the outer gear 42 meshed with the pinion gear 24 is formed on the outside, and the small gear 44 is formed on the same axis as the standby gear 42. Actuator of the intake manifold. 제1항 또는 제2항에 있어서,The method according to claim 1 or 2, 상기 밸브기어부(6)는, 내측에 자석(64)가 내장된 원판(66)의 중심에 밸브샤프트(400)가 결합되어 이를 중심축으로 하며, 상기 원판(66)의 외측에는 상기 소기어(44)에 치합되는 밸브기어(62)가 형성된 것을 특징으로 하는 흡기매니폴드의 액츄에이터.The valve gear portion 6, the valve shaft 400 is coupled to the center of the disk 66, the magnet 64 is built in the inner side thereof as a central axis, the outer gear of the small gear 66 An actuator of an intake manifold, characterized in that a valve gear (62) engaged with (44) is formed. 제3항에 있어서,The method of claim 3, 상기 밸브기어(62)는, 부채꼴형상의 본체(60)와, 이 본체(60)의 외주면에 형성된 치차로 이루어진 것을 특징으로 하는 흡기매니폴드의 액츄에이터.The valve gear (62) is an actuator of an intake manifold, characterized in that it comprises a fan-shaped main body (60) and a tooth formed on an outer circumferential surface of the main body (60). 제3항에 있어서,The method of claim 3, 상기 센서부(8)는, 자석(64)에 대응되게 케이스(100)에 설치되며, 홀소자(82)인 것을 특징으로 하는 흡기매니폴드의 액츄에이터.The sensor unit (8) is installed in the case (100) corresponding to the magnet (64), the actuator of the intake manifold, characterized in that the hall element (82).
KR1020040061410A 2004-08-04 2004-08-04 actuator of inhalation manifold KR100577636B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101451025B1 (en) * 2013-07-17 2014-10-15 대성전기공업 주식회사 Apparatus for controlling actuator for openning and shutting air intake valve

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JP2712749B2 (en) * 1990-04-27 1998-02-16 三菱自動車工業株式会社 Drive control method for DC motor type positioning device
JP4557116B2 (en) 2001-03-27 2010-10-06 株式会社デンソー Valve device for intake control of internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101451025B1 (en) * 2013-07-17 2014-10-15 대성전기공업 주식회사 Apparatus for controlling actuator for openning and shutting air intake valve

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