KR930004757Y1 - Apparatus for displaying change of speed in a vehicle attached an automatic transmission - Google Patents

Apparatus for displaying change of speed in a vehicle attached an automatic transmission Download PDF

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KR930004757Y1
KR930004757Y1 KR2019900018616U KR900018616U KR930004757Y1 KR 930004757 Y1 KR930004757 Y1 KR 930004757Y1 KR 2019900018616 U KR2019900018616 U KR 2019900018616U KR 900018616 U KR900018616 U KR 900018616U KR 930004757 Y1 KR930004757 Y1 KR 930004757Y1
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South Korea
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scsv
decoder
shift
automatic transmission
stage
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KR2019900018616U
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Korean (ko)
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KR920009321U (en
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변종욱
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현대자동차 주식회사
전성원
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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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
    • F16H63/42—Ratio indicator devices
    • 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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
    • F16H63/42—Ratio indicator devices
    • F16H2063/423—Range indicators for automatic transmissions, e.g. showing selected range or mode

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)

Abstract

내용 없음.No content.

Description

자동 변속기가 장착된 차량의 변속단 표시장치Gearshift indicator for vehicles with automatic transmission

제1도는 본 고안이 결합구성된 변속단 제어 시스템의 구성도.1 is a block diagram of a shift stage control system of the present invention is configured.

제2도는 본 고안의 변속단 표시장치의 일실시예를 보인 회로도.2 is a circuit diagram showing an embodiment of a shift stage display device of the present invention.

제3도는 본 고안의 다른 실시예를 보인 회로도.3 is a circuit diagram showing another embodiment of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 변속단 제어 시스템 2 : 표시장치1: Shift stage control system 2: Display device

21 : 디코더부 22 : 표시부21: decoder portion 22: display portion

A,B : 쉬프트 컨트롤 솔레노이드 밸브 a,b : SCSV 구동신호A, B: Shift control solenoid valve a, b: SCSV drive signal

AN1∼AN4: 앤드 게이트AN 1- AN 4 : End gate

본 고안은 자동변속기가 장착된 차량에 있어서, 차량의 주행시 현재 변속기의 변속단을 외부표시장치에 나타내주는 자동변속기가 장착된 차량의 변속단 표시장치에 관한 것이다.The present invention relates to a transmission stage display apparatus of a vehicle equipped with an automatic transmission in which a transmission stage of a current transmission is displayed on an external display device in a vehicle equipped with an automatic transmission.

자동변속기가 장착된 차량(이하 A/T차량이라 함)은 정지상태에서 출발하여 정상주행에 도달할 때 까지는 저속기어나 2단기어를 사용하며, 정상 주행의 대부분은 톱기어로 주행되고 있다.Vehicles equipped with automatic transmissions (hereinafter referred to as A / T vehicles) use low-speed gears or two-speed gears from the standstill until reaching normal driving, and most of the normal driving is driven by a top gear.

그런데 종래의 A/T차량의 주행중 변속기의 변속단은 출발에서부터 2단, 3단, 4단으로 업 쉬프트(Up shift)되면서 발생하는 변속시 떨림이나, 엔진 회전속도 혹은 차속 등을 이용하여 운전자가 감각으로 변속기의 변속단을 판단하였으므로 초보운전자나 A/T차량에 대한 경험이 부족한 운전자에게는 변속기의 현재 변속단을 판단하기가 어려웠다.However, the shift stage of the transmission during driving of a conventional A / T vehicle is shifted to the second, third, and fourth stages from the start, and the driver uses the vibration, engine rotation speed, or vehicle speed. Judging the gearshift stage of the transmission with a sense, it was difficult to judge the current gearshift stage of the transmission for the novice driver or a driver who has little experience with A / T vehicles.

또한, 종래의 자동 변속기는 페일 세이프(Fail safe)회로 프로그램에 의하여 모든 제어를 총괄하여 TCU(Transmission control unit)가 시스템의 고장을 감지하였을 때 페일 세이프 상태 즉, 3단으로 고정된다.In addition, the conventional automatic transmission is fixed to a fail safe state, that is, three stages when the TCU (Transmission Control Unit) detects a failure of the system by integrating all the controls by a fail safe circuit program.

이때 운전자가 이러한 상태를 알지못하고 차량의 주행을 계속 할 경우에는 출발에서부터 계속 3단으로 주행되어 변속기의 기어에 무리가 갈 뿐만 아니라 사고의 위험도 높아지게 된다.In this case, if the driver continues to drive the vehicle without knowing such a condition, the vehicle continues to be driven in three stages from the start, thereby increasing the gear of the transmission and increasing the risk of an accident.

따라서, 변속이 순서대로 진행되는지 아니면 페일 세이프 상태에서 3단으로 계속 주행되는지를 외부표시장치를 표시해주면, 운전자가 현재 변속기의 변속단 및 그 동작 상태를 쉽게 알 수 있게 되어, 점검정비에 도움이 될 수 있다.Therefore, if an external display device is displayed to indicate whether the shift is in sequence or continues in three-stage in the fail-safe state, it is easy for the driver to know the shift stage and the operation state of the current transmission, which helps the maintenance. Can be.

그러므로, 본 고안의 목적은 A/T차량의 주행중 차량이 현재 몇단으로 주행하고 있는가를 운전자가 쉽게 알 수 있게 하는 변속단 표시장치를 제공하는데 있다.Therefore, it is an object of the present invention to provide a shift stage display device that allows the driver to easily know in which stage the vehicle is currently traveling while the A / T vehicle is traveling.

상기 목적을 달성하기 위하여, 본 고안은 셀렉터 레버 위치, 드로틀밸브의 개방도, 파우어/에코노미 스위치 등을 정보를 받아 TCU에서 출력되는 SCSV구동신호에 따라 SCSV를 구동시켜 변속기의 변속단을 제어하는 자동변속기를 장착한 차량에있어서, 상기 TCU에서 출력되는 상기 SCSV 구동신호를 디코딩하는 디코더부와, 상기 디코더부의 디코딩 신호에 따라 변속기의 변속단을 표하는 표시부로 구성함을 특징으로 하는 자동변속기가 장착된 차량의 변속단 표시장치를 제공한다.In order to achieve the above object, the present invention receives the selector lever position, the opening of the throttle valve, the power / economy switch and the like to drive the SCSV according to the SCSV drive signal output from the TCU to control the speed of the transmission In a vehicle equipped with an automatic transmission, the automatic transmission comprises a decoder unit for decoding the SCSV driving signal output from the TCU, and a display unit for indicating a gear shift stage of the transmission according to the decoding signal of the decoder unit. To provide a shift stage display device for a vehicle.

또한, 본 고안은 이러한 표시장치에 있어서, 상기한 디코더부는, SCSV 구동신호를 소정의 조합방법으로 앤드 게이트의 일측 입력단자에 인가되게 접속함과 아울러 그 SCSV 구동신호를 인버터를 통한 후, 앤드 게이트의 타측 입력단자에 접속하고, 상기 표시부는 각각의 앤드 게이트의 출력단자측에 발광 다이오드를 각기 접속하여 구성함을 특징으로 하는 자동 변속기가 장착된 차량의 변속단 표시장치를 제공한다.Further, the present invention is such a display device, wherein the decoder unit connects the SCSV driving signal to one input terminal of the AND gate by a predetermined combination method and connects the SCSV driving signal through the inverter, and then the AND gate. And a light emitting diode connected to an output terminal side of each of the AND gates, respectively, and the display unit is connected to the other input terminal of the AND gate.

이와같은 구성의 본 고안의 자동변속기가 장착된 차량의 변속단 표시장치는 TCU에서 출력되는 SCSV 구동신호를 검출하여 외부표시장치에 현재의 변속단을 표시하게 된다.The shift stage display device of a vehicle equipped with the automatic transmission of the present invention having such a configuration detects the SCSV drive signal output from the TCU and displays the current shift stage on an external display device.

다음에, TCU로부터 변속단 제어를 위한 SCSV 구동신호가 출력되기까지 흐름을 도면 제1도를 참조하여 설명한Next, the flow from the TCU to the output of the SCSV drive signal for shift stage control will be described with reference to FIG. 1.

제1도는 본 고안의 변속단 표시장치 시스템의 구성도이다. 변속기의 모든 제어를 총괄하는 TCU(1)는 셀렉터 레버 위치, 드로틀 밸브의 개방도, 파우어/에코노미 스위치(Power/Economy Switch), PG-B 악셀레이터 스위치, 유온 센서의 정보를 받아 운전상황에 따른 최적의 변속이 이루어지도록 변속단을 선택하여 SCSV(Shift Control Solenoid Valve)(A,B)에 SCSV 구동신호(a,b)를 보낸다. SCSV(A,B)는 온/오프로 구동되고 쉬프트 컨트롤 밸브(Shift Control Valve)에 작용하는 유압을 변화시켜 변속기의 변속단을 가변시키게된다. SCSV(A,B)의 온/오프에 의한 변속단의 변화는 아래 표와 같다.1 is a configuration diagram of a shift stage display system according to the present invention. The TCU (1), which oversees all control of the transmission, receives information from the selector lever position, the throttle valve opening, the power / economic switch, the PG-B accelerator switch, and the oil temperature sensor. The shift stage is selected so that the optimum shift is made, and the SCSV driving signals (a, b) are sent to the shift control solenoid valves (A, B). The SCSV (A, B) is driven on / off and changes the hydraulic pressure acting on the shift control valve to change the transmission stage of the transmission. The change of the shift stage due to the on / off of SCSV (A, B) is shown in the table below.

[표][table]

즉, TCU는 SCSV를 온/오프 제어하여 쉬프트 패턴(Shift pattern)에 따라 각단으로 변속을 시킨다.That is, the TCU controls the on / off of the SCSV to shift the gears according to the shift pattern.

이와같은 변속단 제어 시스템에 있어서, 본 고안은 TCU(1)가 차량의 주행속도에 따라 SCSV(A,B)로 출력하는 SCSV신호(a,b)를 이용하는 것으로 SCSV신호(a,b)를 디코딩하는 디코더부(21)와, 상기 디코더부(21)의 디코딩 신호로 현재 변속기의 변속단수를 표시하는 표시부(22)로 구성되는 것을 특징으로 한다.In such a shift stage control system, the present invention uses the SCSV signals (a, b) output by the TCU 1 to the SCSV (A, B) according to the traveling speed of the vehicle. A decoder 21 for decoding and a display unit 22 for displaying the number of gear stages of the current transmission as the decoded signal of the decoder 21 are characterized in that the configuration.

이하, 본 고안을 첨부된 도면을 참조하여상세히 설명한다.Hereinafter, with reference to the accompanying drawings of the present invention will be described in detail.

제2도는 본 고안의 일실시예를 보인 것이다.Figure 2 shows an embodiment of the present invention.

TCU(1)로부터 출력되는 SCSV 구동신호(a)가 앤드게이트(AN1,AN4)의 일측 입력단자에 인가되게 연결함과 아울러 이 신호(a)가 인버터(I1)을 통하여 앤드게이트(AN2,AN3)의 일측 입력단자에 인가되도록 연결하며, SCSV 구동신호(b)는 앤드게이트(AN1,AN2)의 타측 입력단자에 인가됨과 아울러 이 신호(b)가 인버터(I2)를 통하여 앤드게이트(AN3,AN4)의 타측 입력단자에 인가되도록 연결되어 디코더부(21)를 구성한다.The SCSV driving signal a output from the TCU 1 is connected to one input terminal of the AND gates AN 1 and AN 4 , and the signal a is connected to the AND gate through the inverter I 1 . AN 2 , AN 3 ) is connected to one input terminal of the input terminal, and the SCSV driving signal b is applied to the other input terminal of the AND gates AN 1 , AN 2 , and this signal (b) is applied to the inverter I 2. It is connected to be applied to the other input terminal of the AND gate (AN 3 , AN 4 ) through) to configure the decoder unit 21.

상기 디코더부(21)의 앤드게이트(AN1-AN4)의 각 출력단자에 변속기의 단수를 표시하는 램프 혹은 발광 다이오드(LED1-LED4)를 연결하여 변속단 표시부(22)를 구성한다.A shift stage display unit 22 is configured by connecting a lamp or a light emitting diode (LED 1 to LED 4 ) indicating the number of stages of the transmission to each output terminal of the AND gates AN 1 to AN 4 of the decoder unit 21. .

다음에, 이와같이 구성된 본 고안의 동작을 설명한다.Next, the operation of the present invention constructed as described above will be described.

차량의 출발시에 있어서는, TCU에서 1단 변속을 위한 SCSV 구동신호(a,b)를 출력하게 되며 이에 따라 SCSV(A,B)는 상기 표에서와 같이 SCSV(A)가 온되고, SCSV(B)도 온되어 1단으로 변속되게 된다.At the start of the vehicle, the TCU outputs the SCSV drive signals (a, b) for one shift, so that the SCSV (A, B) is turned on as shown in the table above, and the SCSV ( B) is also turned on and shifts to the first gear.

이때, 제2도의 회로도에 나타내어져 있는 바와같이 상기 SCSV 구동신호(a,b)는 각각 온 상태(하이레벨) 신호이므로, 앤드게이트(AN1)의 입력만이 모두 하이가 되어 앤드게이트(AN1)이 출력이 하이가 되며, 다른 앤드 게이트(AN2-AN4)는 모두 로우 레벨신호를 출력하여 표시부(22)의 1단 표시등(LED1)이 점등된다.At this time, as shown in the circuit diagram of FIG. 2, since the SCSV driving signals a and b are on state (high level) signals, only the input of the AND gate AN 1 becomes high and the AND gate AN 1 ) This output becomes high, and all of the other AND gates AN 2 -AN 4 output low level signals so that the first stage indicator LED 1 of the display unit 22 lights up.

1단에서 2단으로 업쉬프트(Up shift)됨에 따라, SCSV 구동신호(a)는 로울레벨, SCSV 구동신호(b)는 하이레벨이 되어 앤드게이트(AN2)만이 하이레벨신호를 출력하여 표시부(22)의 2단 표시등(LED2)이 점등된다.As upshifted from the first stage to the second stage, the SCSV driving signal a becomes the roll level and the SCSV driving signal b becomes the high level, so that only the AND gate AN 2 outputs the high level signal. The second stage indicator (LED 2 ) of (22) lights up.

변속단이 3단의 경우에는 SCSV 구동신호(a)에 로우레벨이고, SCSV 구동신호(b)도 로우레벨이 되어 앤드게이트(AN3)가 하이레벨신호를 출력하여 표시부의 3단표시등(LED3)이 점등된다.In the case of three shift stages, the SCSV driving signal a is at a low level, the SCSV driving signal b is also at a low level, and the AND gate AN 3 outputs a high level signal so that the three stage indicator lamp of the display unit ( LED 3 ) lights up.

변속단이 4단일 경우에는 SCSV 구동신호(a)가 하이레벨이고, SCSV 구동신호(b)가 로우레벨이 되어 앤드게이트(AN4)의 출력이 하이레벨이 되어 표시부의 4단표시등(LED4)이 점등된다.In the case of four shift stages, the SCSV driving signal a is at a high level, the SCSV driving signal b is at a low level, and the output of the AND gate AN 4 is at a high level so that the four-stage indicator (LED) of the display unit becomes high. 4 ) lights up.

제3도는 본 고안의 다른 실시예를 보인 것으로 각 변속단에 따른 SCSV(A,B)를 제어하는 SCSV 구동신호(a,b)는 BCD디코더(21)로 디코딩하여 통상의 액정표시 소자나 형광표시소자와 같은 세븐 세그먼트소자(22)에서 변속기의 현재 변속단을 표시한다.3 shows another embodiment of the present invention, in which the SCSV driving signals a and b for controlling the SCSVs (A and B) according to each shift stage are decoded by the BCD decoder 21 so that a conventional liquid crystal display device or a fluorescent lamp is used. The seventh segment element 22, such as the display element, displays the current shift stage of the transmission.

이와같은 본 고안의 자동변속기가 장착된 차량의 변속단 표시장치의 다른 실시예는 운전자가 주행중 변속기의 변속단을 쉽게 확인할 수 있고 기어변속이 순서대로 진행되는 지를 쉽게 판단하며, 이로 인하여 차량의 점검 정비 및 안전 운전을 할 수 있다.Another embodiment of the shift stage display device of the vehicle equipped with the automatic transmission of the present invention is such that the driver can easily check the shift stage of the transmission while driving and easily determine whether the gear shift proceeds in sequence, thereby checking the vehicle. Maintenance and safe driving are possible.

Claims (3)

셀렉터 레버 위치, 드로틀 밸브의 개방도, 파우어/에코노미 스위치 등의 정보 받아 TCU(1)에서 출력되는 SCSV 구동신호(a,b)에따라 SCSV(A,B)를 구동시켜 변속기의 변속단을 제어하는 자동변속기를 장착한 차량에 있어서, 상기 TCU(1)에서 출력되는 상기 SCSV 구동신호(a,b)를 디코딩하는 디코더부(21)와, 상기 디코더부(21)의 디코딩 신호에 따라 변속단을 표시하는 표시부(22)로 구성됨을 특징으로 하는 자동변속기가 장착된 차량의 변속단 표시장치.In response to the SCSV drive signals (a, b) output from the TCU (1) by receiving information such as the selector lever position, the throttle valve opening degree, the power / economic switch, the shift stage of the transmission is controlled. In a vehicle equipped with a controllable automatic transmission, a decoder 21 for decoding the SCSV drive signals a and b output from the TCU 1 and a shift in accordance with the decoded signal of the decoder 21 are used. Gear shift display device of a vehicle equipped with an automatic transmission, characterized in that consisting of a display unit 22 for displaying the stage. 제1항에 있어서, 상기 디코더(21)는 SCSV 구동신호(a)가 앤드게이트(AN1,AN4)의 일측 입력단자에 인가되도록 접속됨과 아울러 인버터(I1)를 통하여 앤드게이트(AN2,AN3)의 일측 입력단자에 인가되도록 연결되며, SCSV 구동신호(b)는 앤드게이트(AN1,AN2)의 타측 입력단자에 인가되도록 접속함과 아울러 인버터(I2)를 통하여앤드게이트(AN3,AN4)의 타측 입력단자에 인가되도록 연결되고, 상기 표시부(22)는 각각의 앤드게이트(AN1-AN4)의 출력단자측에 발광다이오드(LED1-LED4)를 각기 접속하여 구성됨을 특징으로 하는 자동변속기가 장착된 차량의 변속단 표시장치.The decoder 21 of claim 1, wherein the decoder 21 is connected so that the SCSV driving signal a is applied to one input terminal of the AND gates AN 1 and AN 4 and the AND gate AN 2 through the inverter I 1 . Is connected to be applied to one input terminal of AN 3 ), and the SCSV driving signal b is connected to be applied to the other input terminal of the AND gates AN 1 and AN 2 , and is connected to the AND gate through the inverter I 2 . is connected to be applied to the other input terminal of the (aN 3, aN 4), the display section 22 are each a light emitting diode (LED 1 -LED 4) to the output terminal of each aND gate (aN 1 -AN 4) Gear shift display device of a vehicle equipped with an automatic transmission, characterized in that the connection is configured. 제1항에 있어서, 상기 디코더부(21)는 BCD디코더이며, 상기 표시부(22)는 세븐 세그먼트소자로 구성되는 것을 특징으로 하는 자동변속기가 장착된 차량의 변속단 표시장치.The shift stage display apparatus according to claim 1, wherein the decoder unit (21) is a BCD decoder and the display unit (22) is composed of seven segment elements.
KR2019900018616U 1990-11-29 1990-11-29 Apparatus for displaying change of speed in a vehicle attached an automatic transmission KR930004757Y1 (en)

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