JPH0411420B2 - - Google Patents

Info

Publication number
JPH0411420B2
JPH0411420B2 JP25058684A JP25058684A JPH0411420B2 JP H0411420 B2 JPH0411420 B2 JP H0411420B2 JP 25058684 A JP25058684 A JP 25058684A JP 25058684 A JP25058684 A JP 25058684A JP H0411420 B2 JPH0411420 B2 JP H0411420B2
Authority
JP
Japan
Prior art keywords
shaft
computer
rotation
axle
control valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP25058684A
Other languages
Japanese (ja)
Other versions
JPS61132455A (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP25058684A priority Critical patent/JPS61132455A/en
Publication of JPS61132455A publication Critical patent/JPS61132455A/en
Publication of JPH0411420B2 publication Critical patent/JPH0411420B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/349—Systems adapted to control a set of axles, e.g. tandem axles

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Regulating Braking Force (AREA)

Description

【発明の詳細な説明】 〈産業上の利用分野〉 本発明は前１軸、後２軸を備えた自動車のアン
チスキツド装置に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to an anti-skid device for an automobile having one front axle and two rear axles.

〈従来の技術〉 前１軸、後２軸の自動車における制動配管構成
は、エアオーバブレーキにおいては第１図に示す
ように、エアタンク１のエア圧をブレーキバルブ
２の開口によつてフロントブレーキブースタ３と
リヤブレーキブースタ４とに作動信号として送
り、フロントブレーキブースタ３の作動による油
圧で前１軸の制動装置５と後第２軸の制動装置６
ｂとを共通して作動し、またリヤブレーキブース
タ４の作動による油圧で後第１軸の制動装置６ａ
を作動する構成である。<Prior Art> The brake piping configuration of a vehicle with one front axle and two rear axles is such that air over brakes are used to supply air pressure from an air tank 1 to the front brake booster through the opening of a brake valve 2, as shown in Figure 1. 3 and the rear brake booster 4, and the hydraulic pressure generated by the operation of the front brake booster 3 is used to control the braking device 5 for the first front axle and the braking device 6 for the second rear axle.
The braking device 6a of the rear first shaft is operated in common with the braking device 6a of the rear first shaft by the hydraulic pressure generated by the operation of the rear brake booster 4.
This is a configuration that operates.

エアブレーキにおいては第２図に示すように、
エアタンク１のエア圧をブレーキバルブ２の開口
によつて第１リレーバルブ７と第２リレーバルブ
８の開口信号として送り、第１リレーバルブ７の
開口によるエアタンク１のエア圧を前１軸の制動
装置５と後第２軸の制動装置６ｂに送つて作動
し、また第２リレーバルブ８の開口によるエアタ
ンク１のエア圧を後第１軸の制動装置６ａに送つ
て作動する構成である。 For air brakes, as shown in Figure 2,
The air pressure in the air tank 1 is sent as an opening signal to the first relay valve 7 and the second relay valve 8 by the opening of the brake valve 2, and the air pressure in the air tank 1 by the opening of the first relay valve 7 is used to brake the front one shaft. It is configured to operate by sending the air pressure from the air tank 1 to the brake device 6a of the rear first shaft by sending the air pressure from the air tank 1 due to the opening of the second relay valve 8 to the brake device 6a of the rear first shaft.

ところで、この前１軸、後２軸車のアンチスキ
ツド装置は、前記エアオーバブレーキにおいては
第３図に示すように、前１軸Ｆの左右輪の回転セ
ンサ９の信号を前１軸用コンピユータ１１ａに入
力し前１軸用ブレーキブースタ３に設けたコント
ロールバルブ１２ａを制御する構成と、後第２軸
R2の左右輪の回転センサ１０ｂの信号を後第２
軸用コンピユータ１１ｂに入力し後第２軸用ブレ
ーキブースタ４ｂに設けたコントロールバルブ１
２ｂを制御する構成と、後第１軸R1の左右輪の
回転センサ１０ａの信号を後第１軸用コンピユー
タ１１ｃに入力し、後第１軸用ブレーキブースタ
４ａに設けたコントロールバルブ１２ｃを制御す
る構成とによるものであつた。 By the way, in the case of the air-over brake, the anti-skid device for a vehicle with one front axle and two rear axles transmits the signal from the rotation sensor 9 of the right and left wheels of the front axle F to the computer 11a for the front axle, as shown in FIG. A configuration in which the control valve 12a provided in the brake booster 3 for the front 1st axle is controlled by inputting the input to the brake booster 3 for the front 1st shaft, and
The signal from the rotation sensor 10b of the left and right wheels of R2 is
Control valve 1 inputted to the shaft computer 11b and provided in the rear second shaft brake booster 4b
2b, and the signals from the left and right wheel rotation sensors 10a of the rear first shaft R1 are input to the rear first shaft computer 11c to control the control valve 12c provided in the rear first shaft brake booster 4a. This was due to the configuration.

また、エアブレーキにおいては第４図に示すよ
うに、前１軸の左右輪の回転センサ９の信号を前
１軸用コンピユータ１１ａに入力し第１軸の制動
装置５のコントロールバルブ１２ａを制御する構
成と後第２軸の左右輪の回転センサ１０ｂの信号
を後第２軸用、コンピユータ１１ｂに入力し後第
２軸の制動装置６ｂのコントロールバルブ１２ｂ
を制御する構成と、後第１軸の左右輪の回転セン
サ１０ａの信号を後第１軸用コンピユータ１１ｃ
に入力し、後第１軸の制動装置６ａのコントロー
ルバルブ１２ｃを制御する構成とによるものであ
つた。 In addition, in the air brake, as shown in FIG. 4, the signals from the rotation sensors 9 of the left and right wheels of the front 1 shaft are input to the front 1 shaft computer 11a to control the control valve 12a of the braking device 5 of the 1st shaft. The configuration and the signal from the rotation sensor 10b of the left and right wheels of the rear second shaft are input to the computer 11b for the rear second shaft, and the control valve 12b of the brake device 6b of the rear second shaft is input.
The computer 11c for the rear first axle transmits the signals from the rotation sensors 10a for the left and right wheels of the rear first axle.
, and controls the control valve 12c of the braking device 6a of the rear first shaft.

〈発明が解決しようとする問題点〉 上記従来では、エアオーバブレーキ並びにエア
ブレーキの何れにおいてもコンピユータとコント
ロールバルブは前１軸、後２軸のそれぞれ必要と
しエアオーバブレーキにあつてはブレーキブース
タも各軸の制動装置のそれぞれに必要としてお
り、配管が複雑になつていると共に、部品点数も
多くこれによりコスト高となつている問題があつ
た。<Problems to be Solved by the Invention> In the above-mentioned conventional methods, both air over brakes and air brakes require computers and control valves for one front axle and two rear axles, and in the case of air over brakes, a brake booster is also required. Each braking device is required for each axis, which results in complicated piping and a large number of parts, resulting in high costs.

本発明の目的は前１軸と後第２軸とを１つのコ
ンピユータと１個のコントロールバルブで共用し
てアンチスキツド制御を可能とし、上記従来の問
題点を解決したものである。 An object of the present invention is to enable anti-skid control by sharing the first front shaft and the second rear shaft with one computer and one control valve, thereby solving the above-mentioned conventional problems.

〈問題点を解決するための手段〉 本発明は、前１軸、後２軸を備えた自動車にお
いて、後第２軸左右輪の回転センサの信号を入力
する第２コンピユータと、この第２コンピユータ
により後第２軸左右輪の制動装置を制御する第２
コントロールバルブとを備え、また、前１軸の左
右輪の回転センサの信号と後第１軸左右輪の回転
センサの信号とを入力し、前１軸の回転センサの
信号では低回転を選択し、後第１軸の回転センサ
の信号では高回転を選択し、この低、高回転から
低回転を選択してコントロールバルブを開閉に演
算し、これを制御信号として出力する第１コンピ
ユータと、この第１コンピユータにより前１軸及
び後第１軸左右輪の制動装置を共通して制御する
第１コントロールバルブを備えたものである。<Means for Solving the Problems> The present invention provides a second computer that inputs signals from rotation sensors of left and right wheels of a second rear axle in an automobile having one front axle and two rear axles, and The second brake system controls the braking devices for the left and right wheels of the rear second shaft.
It also inputs the signal of the rotation sensor of the left and right wheels of the front 1 axle and the signal of the rotation sensor of the left and right wheels of the rear 1 axle, and selects low rotation with the rotation sensor signal of the front 1 axle. , a first computer selects high rotation from the signal of the rotation sensor of the rear first shaft, selects low rotation from high rotation, calculates the opening/closing of the control valve, and outputs this as a control signal; The vehicle is equipped with a first control valve that commonly controls the braking devices for the left and right wheels of the first front shaft and the first rear shaft by a first computer.

〈作 用〉 本発明は、後第２軸左右輪の制動装置の制御は
第２コンピユータにより行い、前第１軸と後第１
軸左右輪の制動装置の制御は第１コンピユータで
共用して行うものである。<Operation> In the present invention, the braking devices for the left and right wheels of the rear second shaft are controlled by a second computer, and the braking devices for the left and right wheels of the rear second shaft are controlled by the second computer, and
The braking devices for the left and right wheels of the shaft are controlled by the first computer.

〈実施例〉 以下本考案の実施例について第５図乃至第７図
によつて説明する。第５図は本発明をエアオーバ
ブレーキに適用した場合を示し、後第２軸R2は
従来構成と同様に左右輪の回転センサ１０ｂの信
号を入力する第２コンピユータ１１ｂと、この第
２コンピユータ１１ｂの出力信号により第２のブ
レーキブースタ４に設けられた第２コントロール
バルブ１２ｂとから構成されている。<Embodiments> Examples of the present invention will be described below with reference to FIGS. 5 to 7. FIG. 5 shows a case in which the present invention is applied to an air over brake, in which the rear second shaft R2 is connected to a second computer 11b that inputs the signals from the left and right wheel rotation sensors 10b, as in the conventional configuration, and and a second control valve 12b provided in the second brake booster 4 in response to the output signal of the brake booster 11b.

前１軸Ｆの左右輪の回転センサ９の信号と後第
１軸R1の左右輪の回転センサ１０ａの信号とを
入力する第１コンピユータ１１ａと、この第１コ
ンピユータ１１ａの出力信号により第１のブレー
キブースタ３に設けられた第１コントロールバル
ブ１２ａとによつて構成され、この第１ブレーキ
ブースタ３により前１軸Ｆの制動装置と後第１軸
の制動装置とを共通して作動するようにしたもの
である。 A first computer 11a inputs the signals from the left and right wheel rotation sensor 9 of the front first axis F and the signals from the left and right wheel rotation sensor 10a of the rear first axis R1. and a first control valve 12a provided in the brake booster 3, so that the first brake booster 3 commonly operates the braking device for the front first shaft F and the braking device for the rear first shaft. This is what I did.

また、エアブレーキにおいては第６図に示すよ
うに、後第２軸R2は従来構成と同様に左右輪の
回転センサ１０ｂの信号を入力する第２コンピユ
ータ１１ｂと、この第２コンピユータ１１ｂの出
力信号により後第２軸R2の制動装置６ｂを制御
する第２コントロールバルブ１２ｂとから構成さ
れている。 In addition, in the air brake, as shown in FIG. 6, the rear second shaft R2 has a second computer 11b that inputs the signals of the left and right wheel rotation sensors 10b, and an output of this second computer 11b, as in the conventional configuration. The second control valve 12b controls the braking device 6b of the second rear shaft R2 based on a signal.

前１軸の左右輪の回転センサ９の信号と後第１
軸R1の左右輪の回転センサ１０ａの信号とを入
力する第１コンピユータ１１ａと、この第１コン
ピユータ１１ａの出力信号により前１軸の制動装
置５と後第１軸の制動装置６ａとを共通して制御
する第１コントロールバルブ１２ａとによつて構
成されたものである。 The signal of the rotation sensor 9 of the left and right wheels of the front 1st axle and the rear 1st
A first computer 11a inputs the signal of the rotation sensor 10a of the left and right wheels of the shaft R1 , and the output signal of this first computer 11a is used to commonize the braking device 5 of the front one shaft and the braking device 6a of the rear first shaft. The first control valve 12a is controlled by the first control valve 12a.

そして、上記エアオーバブレーキ及びエアブレ
ーキの何れにおいても第１コントロールバルブ１
２ａを制御する信号は第１コンピユータ１１ａに
よつて第７図に示すように算出、演算して出力さ
れる。すなわち、前１軸の左右輪の回転センサ９
の信号により回転速度を算出し低回転V1を選択
する。また、後第１軸の左右輪の回転センサ１０
ａの信号により回転速度を算出し高回転V2を選
択する。そして、前記選択された低回転V1と高
回転V2とを比較して低回転V3を選択し、これを
コントロールバルブ開閉に演算した制御信号Ｓと
して出力し、第１コントロールバルブ１２ａを開
閉制御し、前１軸の制動装置と後第１軸の制動装
置とを共通してアンチスキツド制御するものであ
る。 In both the air over brake and the air brake, the first control valve 1
The signal for controlling 2a is calculated and operated by the first computer 11a as shown in FIG. 7, and is output. In other words, the rotation sensor 9 for the left and right wheels of the front single axis
Calculate the rotation speed based on the signal and select low rotation V 1 . In addition, rotation sensors 10 for the left and right wheels of the rear first shaft
Calculate the rotation speed using the signal a and select high rotation V2 . Then, the selected low rotation V 1 and high rotation V 2 are compared, the low rotation V 3 is selected, and this is output as the control signal S calculated for opening and closing the control valve, and the first control valve 12a is opened and closed. The brake system for the first front shaft and the brake system for the first rear shaft perform anti-skid control in common.

〈発明の効果〉 以上のように本発明によると、前１軸、後２軸
車において、前１軸と後第１軸とを１つのコンピ
ユータと１個のコントロールバルブによつて共用
し、アンチスキツド制御を可能としたものである
から、配管の簡素化と部品点数の削減が得られ、
コストダウンが図られる利点を有している。<Effects of the Invention> As described above, according to the present invention, in a vehicle with one front axle and two rear axles, the first front axle and the first rear axle are shared by one computer and one control valve, and anti-skidding is achieved. Since it is possible to control, piping can be simplified and the number of parts can be reduced.
It has the advantage of reducing costs.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は前１軸、後２軸のエアオーバブレーキ
配管構成の回路図、第２図はエアブレーキ配管構
成の回路図、第３図はエアオーバブレーキにおけ
る従来のアンチスキツド装置を示す構成図、第４
図はエアブレーキにおける従来のアンチスキツド
装置を示す構成図、第５図は本発明装置をエアオ
ーバブレーキに適用した場合の構成図、第６図は
エアブレーキに適用した場合の構成図、第７図は
本発明装置によるコンピユータロジツクを示すブ
ロツク図である。 Ｆ……前１軸、R1……後第１軸、R2……後第
２軸、９，１０ａ，１０ｂ……回転センサ、１１
ａ……第１コンピユータ、１１ｂ……第２コンピ
ユータ、１２ａ……第１コントロールバルブ、１
２ｂ……第２コントロールバルブ。 Figure 1 is a circuit diagram of the air over brake piping configuration for one front axle and two rear axles, Figure 2 is a circuit diagram of the air brake piping configuration, and Figure 3 is a configuration diagram showing a conventional anti-skid device for air over brakes. Fourth
Fig. 5 is a block diagram showing a conventional anti-skid device for air brakes, Fig. 5 is a block diagram when the device of the present invention is applied to air over brakes, Fig. 6 is a block diagram when applied to air brakes, Fig. 7 1 is a block diagram showing the computer logic of the device of the present invention; FIG. F...Front 1st axis, R1 ...Rear 1st axis, R2 ...Rear 2nd axis, 9, 10a, 10b...Rotation sensor, 11
a...first computer, 11b...second computer, 12a...first control valve, 1
2b...Second control valve.

Claims (1)

【特許請求の範囲】[Claims] １ 前１軸、後２軸を備えた自動車において、後
第２軸左右輪の回転センサの信号を入力する第２
コンピユータと、この第２コンピユータにより後
第２軸左右輪の制動装置を制御する第２コントロ
ールバルブとを備え、また、前１軸の左右輪の回
転センサの信号と後第１軸左右輪の回転センサの
信号とを入力し、前１軸の回転センサの信号では
低回転を選択し、後第１軸の回転センサの信号で
は高回転を選択し、この低、高回転から低回転を
選択してコントロールバルブを開閉する演算を
し、これを制御信号として出力する第１コンピユ
ータと、この第１コンピユータにより前１軸及び
後第１軸左右輪の制動装置を共通して制御する第
１コントロールバルブを備えたことを特徴とする
後２軸車のアンチスキツド装置。1 In a car equipped with one front axle and two rear axles, the second rear axle inputs the signals of the left and right wheel rotation sensors.
It is equipped with a computer and a second control valve that controls the braking device of the left and right wheels of the rear second shaft by the second computer, and also receives the signal from the rotation sensor of the left and right wheels of the first front shaft and the rotation of the left and right wheels of the rear first shaft. Input the sensor signal, select low rotation for the front 1st axis rotation sensor signal, select high rotation for the rear 1st axis rotation sensor signal, and select low rotation from these low and high rotations. a first computer that performs calculations to open and close the control valve and outputs this as a control signal; and a first control valve that commonly controls the braking devices for the left and right wheels of the first front axle and the rear first axle by this first computer. An anti-skid device for a rear two-axle vehicle characterized by comprising:
JP25058684A 1984-11-29 1984-11-29 Antiskid apparatus for two rear axles car Granted JPS61132455A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25058684A JPS61132455A (en) 1984-11-29 1984-11-29 Antiskid apparatus for two rear axles car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25058684A JPS61132455A (en) 1984-11-29 1984-11-29 Antiskid apparatus for two rear axles car

Publications (2)

Publication Number Publication Date
JPS61132455A JPS61132455A (en) 1986-06-19
JPH0411420B2 true JPH0411420B2 (en) 1992-02-28

Family

ID=17210088

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25058684A Granted JPS61132455A (en) 1984-11-29 1984-11-29 Antiskid apparatus for two rear axles car

Country Status (1)

Country Link
JP (1) JPS61132455A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3637420A1 (en) * 1986-11-03 1988-05-05 Bosch Gmbh Robert TWO-CIRCUIT BRAKE SYSTEM
JPH0510141U (en) * 1991-02-20 1993-02-09 三菱自動車工業株式会社 Vehicle anti-lock device

Also Published As

Publication number Publication date
JPS61132455A (en) 1986-06-19

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