KR20040006913A - Shift automatic control of manual transimission - Google Patents

Shift automatic control of manual transimission Download PDF

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Publication number
KR20040006913A
KR20040006913A KR1020020041505A KR20020041505A KR20040006913A KR 20040006913 A KR20040006913 A KR 20040006913A KR 1020020041505 A KR1020020041505 A KR 1020020041505A KR 20020041505 A KR20020041505 A KR 20020041505A KR 20040006913 A KR20040006913 A KR 20040006913A
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South Korea
Prior art keywords
manual transmission
pressure
shift
reducing valve
pneumatic
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KR1020020041505A
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Korean (ko)
Inventor
유상훈
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현대자동차주식회사
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Priority to KR1020020041505A priority Critical patent/KR20040006913A/en
Publication of KR20040006913A publication Critical patent/KR20040006913A/en

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    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02039—Gearboxes for particular applications
    • F16H2057/02043—Gearboxes for particular applications for vehicle transmissions

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Control Of Transmission Device (AREA)

Abstract

PURPOSE: A shift automatic control mechanism of a vehicle with a manual transmission is provided to prevent the durability reduction of a synchronizer even if shift time is shortened. CONSTITUTION: A shift automatic control mechanism of a vehicle with a manual transmission(54) is composed of sensors(72,74,76) for sensing the rotational speed of an engine, vehicle speed, stroke of an accelerator pedal, position for a gear of a synchronizer, and operations of a clutch pedal; a TCU(Transmission Control Unit,52) for deciding shift operations of a driver by a signal of the sensor and setting a gear level; a pneumatic tank(56) for supplying pneumatic pressure to the manual transmission to perform shift operations of the manual transmission if the gear level is set by the TCU; a first pressure reducing valve(58) for reducing pneumatic pressure of the pneumatic tank to supply relatively high pneumatic pressure to the manual transmission; a second pressure reducing valve(60) for reducing pneumatic pressure of the pneumatic tank to supply relatively high pneumatic pressure to the manual transmission; and a relay valve(62) for connecting the first pressure reducing valve with the manual transmission before synchronization from the initial stage of shift and connecting the second pressure reducing valve with the manual transmission during synchronization.

Description

수동변속기 차량의 자동변속조작기구{Shift automatic control of manual transimission}Shift automatic control of manual transimission

본 발명은 차량의 주행 상태에 따라 수동변속기를 조작하는 수동변속기의 변속조작기구에 관한 것으로서, 특히 변속레버를 사용하지 않고 클러치 페달의 조작시 발생되는 공압을 이용하여 수동변속기를 조작하는 수동변속기 차량의 자동 변속조작기구에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shift control mechanism of a manual transmission that operates a manual transmission according to a driving state of a vehicle. In particular, a manual transmission vehicle that operates a manual transmission using pneumatic pressure generated when the clutch pedal is operated without using a shift lever. It relates to an automatic shift control mechanism.

종래 기술에 따른 수동변속기 차량의 자동 변속조작기구(SAC, Shift Automatic Control)는 엔진의 회전속도를 감지하는 RPM센서(2)와, 수동변속기(4)에서 변속이 완료된 엔진의 구동력을 구동바퀴로 전달하는 출력축의 회전 속도를 감지하는 차속센서(6), 차실에 장착된 액셀 페달의 스트로크를 감지하는 액셀 스트로크 센서(8)와, 클러치 페달의 조작여부를 감지하는 클러치 페달 스위치(10)와, 수동변속기(2)에 장착된 기어들의 위치를 감지하는 기어위치센서(이하 GPS라고 함,Gear Position Sensor)(12)와, 상기와 같은 신호에 의해 판단을 하는 트랜스미션 제어 유닛(이하 TCU라고 함, Transmission Control Unit)(14)과, 상기 TCU(14)의 판단에 따라 수동변속기 측에 공압을 공급하여 변속조작이 이루어지도록 하는 공압공급수단 등으로 이루어진다.The shift automatic control (SAC) of a manual transmission vehicle according to the related art is based on an RPM sensor 2 detecting a rotation speed of an engine and a driving force of an engine in which the shift is completed in the manual transmission 4. A vehicle speed sensor 6 for detecting the rotational speed of the output shaft to be transmitted, an accelerator stroke sensor 8 for detecting the stroke of the accelerator pedal mounted in the vehicle cabin, a clutch pedal switch 10 for detecting whether the clutch pedal is operated, Gear position sensor (hereinafter referred to as GPS, Gear Position Sensor) 12 for detecting the position of the gears mounted on the manual transmission (2), and transmission control unit (hereinafter referred to as TCU), which is judged by the above signals. Transmission Control Unit) 14, and pneumatic supply means for supplying pneumatic to the manual transmission side in accordance with the determination of the TCU (14) to perform the shift operation.

상기 공압공급수단은 고압의 공기가 충진된 공압탱크(22)와, 상기 공압탱크(22)와 연결되어 공압을 수동변속기(4)로 안내하는 공압로(24)에 장착되어 상기 공압탱크(22)에서 토출된 공압을 감압하는 감압밸브(26)와, 수동변속기(4)에 장착되어 컨트롤 샤프트를 직선 이동시키는 셀렉트 레버(미도시)로 공급되는 공압을 단속하는 셀렉트 솔레노이드 밸브(28)와, 수동변속기(4)에 장착되어 컨트롤 샤프트를 회전시키는 시프트 레버(미도시)로 공급되는 공압을 단속하는 시프트 솔레노이드 밸브(29)로 이루어진다.The pneumatic supply means is mounted in a pneumatic tank 22 filled with high pressure air and a pneumatic path 24 connected to the pneumatic tank 22 to guide pneumatic pressure to the manual transmission 4 so that the pneumatic tank 22 A pressure reducing valve 26 for reducing the pneumatic pressure discharged from the valve), a select solenoid valve 28 mounted on the manual transmission 4 and controlling a pneumatic pressure supplied to a select lever (not shown) for linearly moving the control shaft; It consists of a shift solenoid valve 29 mounted on the manual transmission 4 to control pneumatic pressure supplied to a shift lever (not shown) for rotating the control shaft.

이와 같은 자동 변속조작기구는 운전자가 주행 중 클러치 페달을 밟으면, 클러치 페달 스위치(10)가 온(ON)작동되어 TCU(14)에 신호를 출력하여 변속조작이 이루어지도록 한다.The automatic shift operation mechanism is such that when the driver presses the clutch pedal while driving, the clutch pedal switch 10 is turned on to output a signal to the TCU 14 so that the shift operation is performed.

좀 더 자세히 설명하면, 상기 TCU(14)는 RRM 센서(2)와, 차속센서(6), 액셀 스트로크 센서(8)로부터 감지된 신호를 전달받고 있는 상태에서 클러치 페달 스위치(10)로부터 신호를 전달받으면 변속될 변속단을 설정하여 공압탱크(22)로부터 상기 셀렉트 솔레노이드 밸브(28) 또는 시프트 솔레노이드 밸브(29)로 공압이 토출되도록 한다.In more detail, the TCU 14 receives a signal from the clutch pedal switch 10 in a state in which a signal sensed by the RRM sensor 2, the vehicle speed sensor 6, and the accelerator stroke sensor 8 is received. When the transmission is received, the shift stage to be shifted is set so that the pneumatic pressure is discharged from the pneumatic tank 22 to the select solenoid valve 28 or the shift solenoid valve 29.

여기서, 상기 셀렉트 솔레노이드 밸브(28)와 시프트 솔레노이드 밸브(29)는 GPS센서(12)에서 감지된 신호에 따라 선택적으로 개폐되어 먼저, 현 변속단 해제 후 다음 변속단으로의 변속조작이 순서대로 이루어지도록 한다.Here, the select solenoid valve 28 and the shift solenoid valve 29 is selectively opened and closed according to the signal detected by the GPS sensor 12, first, after the current shift stage is released, the shift operation to the next shift stage is made in order. To lose.

그러나, 종래 기술에 따른 수동변속기 차량의 자동변속조작기구는 수동변속기의 동기장치 내구성을 위해 공압탱크(22)로부터 토출된 공압이 감압밸브(26)에서 4.3bar로 일정하게 감압되는데, 상기 수동변속기(4)로 공급되는 공압이 비교적 작기 때문에 변속이 시작될 때부터 다음 변속단의 동기시작 전까지 소요되는 시간, 즉 웨스트 타임(Waste time)이 길어지는 문제점이 있다.However, in the automatic transmission control mechanism of the manual transmission vehicle according to the prior art, the pneumatic pressure discharged from the pneumatic tank 22 is constantly reduced to 4.3 bar in the pressure reducing valve 26 for the synchronization device durability of the manual transmission. Since the air pressure supplied to (4) is relatively small, there is a problem in that the time required from the start of the shift to the start of synchronization of the next shift stage, that is, the west time is long.

즉, 도 3의 'A'는 종래 기술에 따른 그래프로서, 변속시작(t1)부터 동기작용전(t4)전까지 약 7초의 시간이 걸리고, 동기작용 동안(t4~t5)까지 약 3초의 시간이 걸린다.That is, 'A' of FIG. 3 is a graph according to the prior art, and it takes about 7 seconds from the start of shift t1 to before synchronous action t4 and about 3 seconds from synchronous action t4 to t5. Takes

물론, 수동변속기(4)에 공급되는 공압을 크게 하면 웨스트 타입뿐만 아니라 동기시간까지 줄어들지만, 급작스런 동기작용으로 인해 수동변속기의 동기장치 내구성이 저하된다.Of course, if the pneumatic pressure supplied to the manual transmission 4 is increased, not only the west type but also the synchronous time is reduced, but the synchronous device durability of the manual transmission is lowered due to a sudden synchronous action.

본 발명은 상기한 종래 기술의 문제점을 해결하기 위하여 안출된 것으로서, 변속시간을 줄이더라도 동기장치의 내구성이 저하되는 것을 방지할 수 있는 수동변속기 차량의 자동 변속조작기구를 제공하는데 그 목적이 있다.The present invention has been made to solve the above problems of the prior art, and an object of the present invention is to provide an automatic shift control mechanism of a manual transmission vehicle that can prevent the durability of the synchronous device from being lowered even if the shift time is reduced.

도 1은 종래 기술에 따른 수동변속기 차량의 자동변속조작기구 개략도,1 is a schematic view of an automatic transmission control mechanism of a manual transmission vehicle according to the prior art,

도 2는 본 발명에 따른 수동변속기 차량의 자동변속조작기구 개략도,2 is a schematic diagram of an automatic transmission control mechanism of a manual transmission vehicle according to the present invention;

도 3은 종래와 본 발명의 클러치 RPM에 따른 변속시간이 도시된 그래프이다.3 is a graph showing a shift time according to the conventional clutch RPM of the present invention.

<도면의 주요 부분에 관한 부호의 설명><Explanation of symbols on main parts of the drawings>

52 : 트랜스미션 제어유닛54 : 수동변속기52: transmission control unit 54: manual transmission

56 : 공압탱크58 : 제1 감압밸브56 pneumatic tank 58 first pressure reducing valve

60 : 제2 감압밸브62 : 엔진60: second pressure reducing valve 62: engine

72 : RPM센서74 : 차속센서72: RPM sensor 74: vehicle speed sensor

76 : 액셀 스토로크 센서78 : GPS76: accelerator stroke sensor 78: GPS

80 : 클러치 스위치80: clutch switch

상기한 과제를 해결하기 위한 본 발명에 따른 수동변속기 차량의 자동 변속조작기구는 엔진의 회전속도, 차속, 액셀 페달의 스트로크, 동기장치의 기어위치, 클러치 페달의 조작여부를 감지하는 센서와; 상기 센서의 신호에 의하여 운전자의 변속 조작여부를 판단하여 변속단을 설정하는 트랜스미션 제어유닛(TCU)과; 상기 트랜스미션 제어유닛에 의해 변속단이 설정되면, 수동변속기의 변속 조작이 이루어질 수 있도록 상기 수동변속기에 공압을 공급하는 공압탱크와; 상기 수동변속기에 상대적으로 높은 공압이 공급되도록 상기 공압탱크의 공압을 감압시키는 제1 감압밸브와; 상기 수동변속기에 상대적으로 낮은 공압이 공급되도록 상기 공압탱크의공압을 감압시키는 제2 감압밸브와; 변속 초기부터 동기작용 전까지 상기 제1 감압밸브와 수동변속기를 연결하고, 동기작용 동안 상기 제2 감압밸브와 수동변속기를 연결하는 릴레이 밸브를 포함하여 이루어진다.Automatic transmission operation mechanism of the manual transmission vehicle according to the present invention for solving the above problems is a sensor for sensing the rotational speed of the engine, the vehicle speed, the stroke of the accelerator pedal, the gear position of the synchronous device, the operation of the clutch pedal; A transmission control unit (TCU) configured to set a shift stage by determining whether a driver shifts the gear based on a signal of the sensor; A pneumatic tank for supplying air pressure to the manual transmission so that a shift operation of the manual transmission is made when the transmission stage is set by the transmission control unit; A first pressure reducing valve for reducing the air pressure of the pneumatic tank such that a relatively high air pressure is supplied to the manual transmission; A second pressure reducing valve for reducing the air pressure of the pneumatic tank such that a relatively low air pressure is supplied to the manual transmission; And a relay valve connecting the first pressure reducing valve and the manual transmission to the second pressure reducing valve and the manual transmission during the synchronous action.

이하, 본 발명의 실시 예를 첨부된 도면을 참조하여 상세히 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

상기 본 발명에 따른 수동변속기 차량의 자동 변속조작기구는 엔진의 회전속도, 차속, 액셀 페달의 스트로크, 동기장치의 기어위치, 클러치 페달의 조작여부를 감지하는 센서와, 상기 센서의 신호에 의하여 운전자의 변속 조작여부를 판단하여 변속단을 설정하는 트랜스미션 제어유닛(이하 TCU라고 함)(52)과, 상기 TCU(52)에 의해 변속단이 설정되면 수동변속기(54)의 변속 조작이 이루어질 수 있도록 상기 수동변속기(54)에 공압을 공급하는 공압탱크(56)와, 상기 수동변속기(54)에 상대적으로 높은 공압이 공급되도록 상기 공압탱크(56)의 공압을 감압시키는 제1 감압밸브(58)와, 상기 수동변속기(54)에 상대적으로 낮은 공압이 공급되도록 상기 공압탱크(56)의 공압을 감압시키는 제2 감압밸브(60)와, 변속 초기부터 동기작용 전까지 상기 제1 감압밸브(58)와 수동변속기(54)를 연결하고, 동기작용 동안 상기 제2 감압밸브(60)와 수동변속기(54)를 연결하는 릴레이 밸브(62)를 포함하여 이루어진다.The automatic transmission control mechanism of the manual transmission vehicle according to the present invention includes a sensor for detecting the rotation speed of the engine, the vehicle speed, the stroke of the accelerator pedal, the gear position of the synchronous device, and whether the clutch pedal is operated, and the driver by the signal of the sensor. The transmission control unit (hereinafter referred to as TCU) 52 for setting the shift stage by determining whether the shift operation is performed, and when the shift stage is set by the TCU 52, the shift operation of the manual transmission 54 can be performed. Pneumatic tank 56 for supplying air pressure to the manual transmission 54, and the first pressure reducing valve 58 for reducing the air pressure of the pneumatic tank 56 so that a relatively high air pressure is supplied to the manual transmission 54 And a second pressure reducing valve 60 for reducing the air pressure of the pneumatic tank 56 so that a relatively low pneumatic pressure is supplied to the manual transmission 54, and the first pressure reducing valve 58 before the synchronous action of the shift. And manual side It comprises a relay valve (62) connecting the exchanger (54), and synchronous connecting the second pressure reducing valve 60 and the manual transmission 54 during operation.

상기 센서는 엔진(64)에 장착되어 엔진의 회전속도를 감지하는 RPM센서(72)와, 구동바퀴로 변속이 완료된 엔진의 구동력을 전달하는 수동변속기(54)의 출력축에 장착된 차속 센서(74)와, 차실에 장착된 액셀 페달(미도시)이 장착되어 상기 액셀 페달의 스트로크를 감지하는 액셀 스트로크 센서(76)와, 수동변속기(54)의 동기장치 각 기어들의 위치를 감지하는 GPS(Gear Posiotion Sensor)(78)와, 클러치 페달에 장착되어 클러치 페달의 조작여부를 감지하는 클러치 스위치(80)로 이루어진다.The sensor is mounted on the engine 64 RPM sensor 72 for detecting the rotational speed of the engine, and the vehicle speed sensor 74 mounted on the output shaft of the manual transmission 54 for transmitting the driving force of the engine is completed by the driving wheel ), An accelerator pedal (not shown) mounted in the vehicle cabin, an accelerator stroke sensor 76 for detecting a stroke of the accelerator pedal, and a GPS (Gear) for detecting positions of respective gears of the synchronous device of the manual transmission 54. Posiotion Sensor (78), and the clutch switch 80 is mounted to the clutch pedal to detect the operation of the clutch pedal.

상기 TCU(52)는 상기 RPM센서(72), 차속센서(74), 액셀 스트로크 센서(76)에서 감지된 신호에 의하여 현 변속단을 판단하고, 상기 클러치 스위치(80)가 온(ON)되면 운전자의 변속조작의지로 판단하여 상기 RPM센서(72), 차속센서(74), 액셀 스트로크 센서(76)로부터 받은 정보를 바탕으로 다음 변속단을 설정하여 상기 공압탱크(56)에 전달한다.The TCU 52 determines the current shift stage based on signals detected by the RPM sensor 72, the vehicle speed sensor 74, and the accelerator stroke sensor 76, and when the clutch switch 80 is turned on Judging by the driver's willingness to operate the shift, the next shift stage is set based on the information received from the RPM sensor 72, the vehicle speed sensor 74, and the accelerator stroke sensor 76, and then transferred to the pneumatic tank 56.

상기 제1 감압밸브(58)는 일단이 상기 공압탱크(56)와 연결되어 상기 공압탱크(56)에서 토출된 공압을 7~9bar 범위 내에서 일정하게 감압하고, 상기 제2 감압밸브(60)는 일단이 상기 공압탱크(56)와 연결되어 상기 공압탱크(56)에서 토출된 공압을 3~5bar 범위 내에서 일정하게 감압시키며, 상기 제1 감압밸브(58)와 제2 감압밸브(60)는 각각 타단이 상기 릴레이 밸브(62)와 연결된다.One end of the first pressure reducing valve 58 is connected to the pneumatic tank 56 to constantly reduce the pneumatic pressure discharged from the pneumatic tank 56 within a range of 7 to 9 bar, and the second pressure reducing valve 60 One end is connected to the pneumatic tank 56 to constantly reduce the pneumatic pressure discharged from the pneumatic tank 56 within the range of 3 ~ 5bar, the first pressure reducing valve 58 and the second pressure reducing valve 60 Each other end is connected to the relay valve 62.

상기 릴레이 밸브(62)는 일단이 상기 제1 감압밸브(58) 및 제2 감압밸브(60)와 연결되고, 타단이 상기 수동변속기(54)와 연결되어 변속 초기부터 동기작용 전까지는 동기장치의 기어 물림 해제되는 상태이기 때문에 상기 수동변속기(54)에 비교적 높은 공압이 공급되어 짧은 시간 내에 변속이 이루어지도록 하고, 동기작용 동안은 상기 동기장치의 기어 물림이 이루어지는 상태이기 때문에 상기 수동변속기(54)에 비교적은 낮은 공압이 공급되어 충격없이 동기작용이 이루어지도록 한다.One end of the relay valve 62 is connected to the first pressure reducing valve 58 and the second pressure reducing valve 60, and the other end of the relay valve 62 is connected to the manual transmission 54 so that the relay device 62 is synchronized with the synchronous device until the synchronous action. Since the gear bit is released, relatively high pneumatic pressure is supplied to the manual transmission 54 so that the shift is made within a short time. During the synchronizing operation, the gear transmission of the synchronizer is performed. The relatively low pneumatic pressure is supplied so that the synchronization can be performed without impact.

따라서, 도 3에 도시된 바와 같이 도 3의 'B'는 본 발명에 따른 그래프로서, 변속초기(t1)부터 동기작용 전(t2)까지는 상기 수동변속기(54)에 종래보다 2배정도 높은 공압이 전달되어 변속시간이 반으로 줄어들고, 동기작용 동안(t2~t3)에는 종래와 동일한 공압이 전달되어 동기작용이 점진적으로 이루어지기 때문에 내구성이 저항되는 것이 방지된다.Accordingly, as shown in FIG. 3, 'B' of FIG. 3 is a graph according to the present invention, and the manual transmission 54 has twice as high air pressure pressure as the conventional transmission 54 from the initial transmission t1 to before the synchronous action t2. The transmission time is reduced by half, and during the synchronizing operation (t2 to t3), the same pneumatic pressure as in the prior art is transmitted, so that the synchronizing action is made gradually, so that durability is prevented from being resisted.

즉, 본 발명은 변속초기(t1)부터 동기작용(t2) 전까지 종래에 7초가 걸린 반면에 약 3.5초의 시간이 소용되고, 동기작용동안(t2~t4)은 종래와 동일하게 약 3초의 시간이 걸린다.That is, in the present invention, it takes about 7 seconds before the shift start t1 to the synchronizing action t2, while about 3.5 seconds are used, and during the synchronizing action (t2 to t4), the time of about 3 seconds is the same as before. Takes

그리고, 상기 릴레이 밸브(62)의 타단에는 상기 수동변속기(54)의 일측에 장착된 셀렉트 레버(미도시)를 작동시키는 셀렉트 솔레노이드 밸브(82)와 상기 수동변속기(54)의 타측에 장착된 시프트 레버(미도시)를 작동시키는 시프트 솔레노이드 밸브(84)가 연결된다.The other end of the relay valve 62 is provided with a select solenoid valve 82 for operating a select lever (not shown) mounted at one side of the manual transmission 54 and a shift mounted at the other side of the manual transmission 54. A shift solenoid valve 84 for operating a lever (not shown) is connected.

한편, 미설명부호 86은 비상주행스위치(86)이고, 미설명부호 87은 비상전환스위치(87)이고, 미설명부호 88은 1단 스위치(88)이다.Meanwhile, reference numeral 86 denotes an emergency driving switch 86, reference numeral 87 denotes an emergency switching switch 87, and reference numeral 88 denotes a first stage switch 88.

상기와 같이 구성되는 본 발명에 따른 수동변속기 차량의 자동변속조작기구는 공압탱크에서 토출된 공압을 비교적 높게 감압시키는 제1 감압밸브와, 공압탱크에서 토출된 공압을 비교적 낮게 감압시키는 제2 감압밸브가 공압탱크에 장착되고, 릴레이 밸브에 의해 변속초기부터 동기작용 전까지는 제1 감압밸브를 통과한 공압이 수동변속기에 전달되고 동기작용 동안 제2 감압밸브를 통과한 공압이 수동변속기에 전달되기 때문에 전체적으로 변속시간이 짧아지면서도 동기장치의 내구성이 저하되는 것이 방지될 수 있는 이점이 있다.The automatic transmission control mechanism of the manual transmission vehicle according to the present invention configured as described above comprises a first pressure reducing valve for reducing the air pressure discharged from the pneumatic tank relatively high, and a second pressure reducing valve for reducing the air pressure discharged from the pneumatic tank relatively low. Is mounted on the pneumatic tank, and the air pressure passing through the first pressure reducing valve is transmitted to the manual transmission by the relay valve from the beginning of the transmission to the manual transmission, and the air pressure passing through the second pressure reducing valve is transmitted to the manual transmission during the synchronous operation. While the shift time is shortened as a whole, there is an advantage that the durability of the synchronous device can be prevented from being lowered.

Claims (3)

엔진의 회전속도, 차속, 액셀 페달의 스트로크, 동기장치의 기어위치, 클러치 페달의 조작여부를 감지하는 센서와;A sensor for detecting engine rotation speed, vehicle speed, stroke of the accelerator pedal, gear position of the synchronous device, and operation of the clutch pedal; 상기 센서의 신호에 의하여 운전자의 변속 조작여부를 판단하여 변속단을 설정하는 트랜스미션 제어유닛(TCU)과;A transmission control unit (TCU) configured to set a shift stage by determining whether a driver shifts the gear based on a signal of the sensor; 상기 트랜스미션 제어유닛에 의해 변속단이 설정되면, 수동변속기의 변속 조작이 이루어질 수 있도록 상기 수동변속기에 공압을 공급하는 공압탱크와;A pneumatic tank for supplying air pressure to the manual transmission so that a shift operation of the manual transmission is made when the transmission stage is set by the transmission control unit; 상기 수동변속기에 상대적으로 높은 공압이 공급되도록 상기 공압탱크의 공압을 감압시키는 제1 감압밸브와;A first pressure reducing valve for reducing the air pressure of the pneumatic tank such that a relatively high air pressure is supplied to the manual transmission; 상기 수동변속기에 상대적으로 낮은 공압이 공급되도록 상기 공압탱크의 공압을 감압시키는 제2 감압밸브와;A second pressure reducing valve for reducing the air pressure of the pneumatic tank such that a relatively low air pressure is supplied to the manual transmission; 변속 초기부터 동기작용 전까지 상기 제1 감압밸브와 수동변속기를 연결하고, 동기작용 동안 상기 제2 감압밸브와 수동변속기를 연결하는 릴레이 밸브를 포함하여 구성된 것을 특징으로 하는 수동변속기 차량의 자동 변속조작기구.And a relay valve connecting the first pressure reducing valve and the manual transmission to the second pressure reducing valve and the manual transmission during the synchronous action, from the beginning of the shift to the synchronous action. . 제 1 항에 있어서,The method of claim 1, 상기 제1 감압밸브는 공압탱크의 공압을 7~9bar 범위 내에서 일정하게 감압하는 것을 특징으로 하는 수동변속기 차량의 자동 변속조작기구.The first pressure reducing valve is an automatic transmission operating mechanism of a manual transmission vehicle, characterized in that the pressure is reduced regularly in the range of 7 ~ 9 bar of the pneumatic tank. 제 1 항에 있어서,The method of claim 1, 제2 감압밸브는 공압탱크의 공압을 3~5bar 범위 내에서 일정하게 감압시키는 것을 특징으로 하는 수동변속기 차량의 자동 변속조작기구.The second pressure reducing valve is an automatic transmission operating mechanism of a manual transmission vehicle, characterized in that to reduce the pressure of the pneumatic tank in a constant range within the range of 3 ~ 5bar.
KR1020020041505A 2002-07-16 2002-07-16 Shift automatic control of manual transimission KR20040006913A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61274153A (en) * 1985-05-28 1986-12-04 Hino Motors Ltd Driving apparatus for transmission
JPH1122816A (en) * 1997-06-30 1999-01-26 Aisin Seiki Co Ltd Speed change control device for synchromesh transmission

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61274153A (en) * 1985-05-28 1986-12-04 Hino Motors Ltd Driving apparatus for transmission
JPH1122816A (en) * 1997-06-30 1999-01-26 Aisin Seiki Co Ltd Speed change control device for synchromesh transmission

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