JPS6170649U

JPS6170649U -

Info

Publication number: JPS6170649U
Application number: JP1984155375U
Authority: JP
Priority date: 1984-10-15
Filing date: 1984-10-15
Publication date: 1986-05-14
Also published as: JPH031650Y2

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例に係る自動変速装
置に示す概略構成図、第２図は上記自動変速装置
のシフトパターンを示す図、第３図乃至第７図は
上記自動変速装置の制御プログラムを示すフロー
チヤート、第８図は上記制御プログラムの実行に
用いられるアクセル負荷信号／時間に対応するデ
ユーテイ品のデータテーブルを示す概略図、第９
図乃至第１１図はそれぞれ上記制御プログラムの
選択変速段区分において最適変速段を求める際に
用いられる車速−基本変速段、エンジン負荷−第
１補正値、エンジン回転数−第２補正値の各デー
タテーブルの一例を示す概略図、第１２図は上記
自動変速装置に備えられるエマージエンシ回路の
接続関係を示す図、第１３図はクラツチエア圧の
経時変化の一例を示す図、第１４図はエンジンお
よびクラツチ出力軸の各回転数の経時変化の一例
を示す図、第１５図はエンジンとクラツチ出力軸
の回転数差の経時変化を制御すべき領域の一例を
示す図である。３０……エンジン、３１……クラツチ、３２…
…変速機、４２……エアシリンダ、４６……エア
室、４７……エア通路、４９……給気用電磁弁、
５０，５０ａ，５０ｂ……排気用電磁弁、５１…
…ギヤシフトユニツト、５２……コントロールユ
ニツト、５６……ギヤ位置スイツチ、８０……エ
マージエンシスイツチ、８１……エマージエンシ
回路、８２……タイマ回路、８３〜８５……タイ
マ、８６……デユーテイ回路。 FIG. 1 is a schematic configuration diagram of an automatic transmission according to an embodiment of the invention, FIG. 2 is a diagram showing shift patterns of the automatic transmission, and FIGS. 3 to 7 are control diagrams of the automatic transmission. Flowchart showing the program; FIG. 8 is a schematic diagram showing a data table of duty products corresponding to the accelerator load signal/time used to execute the control program; FIG.
Figures 1 to 11 show data on vehicle speed - basic gear, engine load - first correction value, and engine speed - second correction value, respectively, which are used when determining the optimum gear in the selected gear division of the control program. A schematic diagram showing an example of the table, FIG. 12 is a diagram showing the connection relationship of the emergency circuit provided in the automatic transmission, FIG. 13 is a diagram showing an example of the change in clutch air pressure over time, and FIG. 14 is a diagram showing the relationship between the engine and the clutch. FIG. 15 is a diagram showing an example of a change over time in each rotational speed of the output shaft. FIG. 15 is a diagram showing an example of a region in which the change over time in the difference in rotational speed between the engine and the clutch output shaft should be controlled. 30...Engine, 31...Clutch, 32...
...Transmission, 42...Air cylinder, 46...Air chamber, 47...Air passage, 49...Air supply solenoid valve,
50, 50a, 50b...exhaust solenoid valve, 51...
...Gear shift unit, 52...Control unit, 56...Gear position switch, 80...Emergency switch, 81...Emergency circuit, 82...Timer circuit, 83-85...Timer, 86...Duty circuit.

補正昭６０．４．３０実用新案登録請求の範囲を次のように補正する
。Amendment April 30, 1986 The scope of claims for utility model registration is amended as follows.

【実用新案登録請求の範囲】車両のエンジンと変速機との間のクラツチを断
接させるアクチユエータと、このアクチユエータ
のエア室に作動エアを導入する通路に設けた給気
用制御弁と、上記エア室のエアを大気開放する排
気用制御弁と、上記給気用制御弁及び排気用制御
弁の開閉制御と共に上記変速機のギヤ位置を切換
制御するコントロールユニツトと、このコントロ
ールユニツトの異常時において手動操作されるマ
ージエンシスイツチと、このエマージエンシスイ
ツチのスイツチ操作に応じて上記給気用制御弁を
クラツチ断時間ｔ_１に対応して開制御し上記変速
機を所定のギヤ位置に切換制御しそして上記排気
用制御弁をクラツチ断−半クラツチ時間ｔ_２に対
応して開制御すると共に予め設定される時間ｔ_３に対応してパルス信号のデユーテイ比に応じた時
間比で開閉制御した後全開制御するエマージエン
シ回路とを具備したことを特徴とする自動変速装
置。[Scope of Claim for Utility Model Registration] An actuator that connects and disconnects a clutch between a vehicle engine and a transmission, an air supply control valve provided in a passage that introduces working air into the air chamber of this actuator, and an air supply control valve that An exhaust control valve that releases room air to the atmosphere, a control unit that controls the opening and closing of the air supply control valve and the exhaust control valve, as well as switching and controlling the gear position of the transmission, and a manual The above-mentioned air supply control valve is operated according to the operated merger switch and the switch operation of this emergency switch.
The control valve is controlled to open in response to a clutch disengagement time _t1 , and the transmission is controlled to switch to a predetermined gear position, and the exhaust control valve is controlled to open in response to a clutch disengagement-half-clutch time _t2 . time t ₃ An automatic transmission device comprising: an emergency circuit that performs opening/closing control at a time ratio corresponding to a duty ratio of a pulse signal and then fully opening control.

Claims

[Scope of utility model registration request]

An actuator that connects and disconnects a clutch between a vehicle engine and a transmission, an air supply control valve provided in a passage that introduces working air into an air chamber of the actuator, and a side air release control valve that introduces working air into the air chamber of the actuator. An exhaust control valve, a control unit that controls the opening and closing of the air supply control valve and the exhaust control valve, as well as switching and controlling the gear position of the transmission, and an emergent system switch that is manually operated in the event of an abnormality in the control unit. Then, in response to the switch operation of the emergent system switch, the exhaust control valve is controlled to open in accordance with the clutch disengagement time _t1 , the transmission is controlled to be switched to a predetermined gear position, and the exhaust control valve is opened. Clutch disengagement - Opening control corresponding to half-clutch time _t2 and preset time t
3. An automatic transmission device characterized in that it is equipped with an emergency circuit that performs opening/closing control at a time ratio corresponding to the duty ratio of a pulse signal and then fully opening/closing control in accordance with _{item 3} .