JPS61132455A - Antiskid apparatus for two rear axles car - Google Patents

Antiskid apparatus for two rear axles car

Info

Publication number
JPS61132455A
JPS61132455A JP25058684A JP25058684A JPS61132455A JP S61132455 A JPS61132455 A JP S61132455A JP 25058684 A JP25058684 A JP 25058684A JP 25058684 A JP25058684 A JP 25058684A JP S61132455 A JPS61132455 A JP S61132455A
Authority
JP
Japan
Prior art keywords
computer
shaft
signal
control valve
axle
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.)
Granted
Application number
JP25058684A
Other languages
Japanese (ja)
Other versions
JPH0411420B2 (en
Inventor
Kazuo Toyoshima
豊島　和夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hino Motors Ltd
Original Assignee
Hino Motors Ltd
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 by Hino Motors Ltd filed Critical Hino Motors Ltd
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)

Abstract

PURPOSE:To simplify piping and reduce the number of parts by commonly using a microcomputer and a control valve for one front axle and the first rear axle and permitting antiskid control, in a one front axle and two rear axles car. CONSTITUTION:The second computer 11b into which the signals of the revolution sensors for the right and left wheels with respect to the second rear shaft R2 and the second control valve 12b which is controlled by the output of the second computer 11b and installed onto the second brake booster 4 are provided. While, the first computer 11a into which the signals of the revolution sensors 9 and 10a with respect to the first front shaft F and the first rear shaft R1 are input and the first control valve 12a which is controlled by the output of the first computer and installed onto the first brake booster 3 are provided. By the first computer 11a, low revolution is selected by the signal of the revolution sensor 9, and high revolution is selected by the signal of the revolution sensor 10a, and a valve 12a is controlled by selecting the low revolution among the low and high revolutions.

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ッ
ド装置に関する。DETAILED DESCRIPTION OF THE INVENTION <Field of Industrial Application> 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の開口によってフロ
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６ｂ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, in air over brakes, air pressure in an air tank 1 is transferred to a front brake booster 3 by opening a brake valve 2, as shown in FIG. It is sent as an activation signal to the rear brake booster 4, and the hydraulic pressure generated by the operation of the front brake booster 3 jointly operates the braking device 5 of the first front axle and the braking device 6b of the second rear axle. The structure is such that the brake device 6a of the rear first shaft is operated by the hydraulic pressure generated by the operation.

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の開口によって第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
送って作動し、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に送って
作動する構成である。In the air brake, as shown in FIG. 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 opening the brake valve 2, and the opening of the first relay valve 7 sends the air pressure in the air tank 1 as an opening signal to the first relay valve 7 and the second relay valve 8. 1 air pressure is sent to the braking device 5 of the first front shaft and the braking device 6b of the second rear shaft, and the air pressure of the air tank 1 by opening the second relay valve 8 is sent to the braking device 6a of the first rear shaft. It is configured to operate by sending it to the

ところで、この前１軸、後２軸車のアンチスキッド装置
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
用コンピュータ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ＩＯｂの信号を
後第２軸用コンピュータｌｌｂ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１２ｂを
制御する構成と、後第１軸Ｒ＋の左右輪の回転センサ１
０ａの信号を後第１軸用コンピュータＩｌｃ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った。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 uses the signal from the rotation sensor 9 of the right and left wheels of the front axle F to be sent to the computer for the front axle, as shown in FIG. 11a to control the control valve 12a provided in the brake booster 3 for the first front axle, and input the signal from the left and right wheel rotation sensor IOb of the rear second shaft R2 to the rear second shaft computer llb to control the control valve 12a provided in the brake booster 3 for the front first axle. A configuration for controlling a control valve 12b provided on a two-axle brake booster 4b, and a rotation sensor 1 for the left and right wheels of the rear first axis R+.
Input the signal 0a to the rear first axis computer Ilc,
This was based on a configuration in which a control valve 12C provided in the brake booster 4a for the rear first shaft was controlled.

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軸用コンピュ
ータＩｌａ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１０１１の信号を後第２軸用、コンピュータｌｌ
ｂ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軸用コンピュータｌｉｅに入
力し、後第１軸の制動装置６ａのコントロールバルブ１
２ｃを制御する構成とによるものであった。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 axle are input to the front 1 axle computer Ila to control the control valve 12a of the braking device 5 of the 1st axle. The configuration and the signal of the rotation sensor 1011 of the left and right wheels of the rear second shaft are transmitted to the computer II for the rear second shaft.
b to control the control valve 12b of the braking device 6b of the rear second shaft, and input the signals of the left and right wheel rotation sensors 10a of the rear first shaft to the rear first shaft computer lie, Control valve 1 of shaft braking device 6a
2c.

〈発明が解決しようきする問題点〉 」二記従来では、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ュータとコントロールバルブ
は前１軸、後２軸のそれぞれに必要としエアオーバブレ
ーキにあっ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、配管が複雑になっていると共
に、部品点数も多くこれによりコスト高となっている問
題があった。<Problems to be solved by the invention> 2. Conventionally, in both air over brakes and air brakes, computers and control valves were required for each of the front axle and the rear two axles; A brake booster is also required for each braking device 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つのコンピュー
タと１個のコントロールバルブで共用してアンチスキッ
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.

く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
ュータと、この第２コンピュータにまり後第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コンピュータと、この第１コ
ンピュータにより前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 for inputting 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 computer. It is equipped with a second control valve that controls the braking device for the left and right wheels of the second shaft after jamming, and also inputs the signal of the rotation sensor of the left and right wheels of the first shaft and the signal of the rotation sensor of the left and right wheels of the rear first shaft. Then, the signal from the front 1st axis rotation sensor selects low rotation, the signal from the rear 1st axis rotation sensor selects high rotation, and the low rotation is selected from these low and high rotations and calculated to open and close the control valve. The vehicle is equipped with a first computer that outputs this as a control signal, and a first control valve that commonly controls the braking devices of the left and right wheels of the first front shaft and the first rear shaft by the first computer.

く作　　　用〉 　５一 本発明は、後第２軸左右輪の制動装置の制御は第２コン
ピュータにより行い、前第１軸と後第１軸左右輪の制動
装置の制御は第１コンピュータで共用して行うものであ
る。Function> 51 In the present invention, the control of the braking devices for the left and right wheels of the second rear shaft is performed by the second computer, and the control of the braking devices for the left and right wheels of the first front shaft and the rear first shaft is shared by the first computer. This is done by doing so.

〈実　施　例〉 以下本考案の実施例について第５図乃至第７図によって
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ｌＯｂの信号を入力する第２コンピュー
タＩｌｂと、この第２コンピュータｌｌｂ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 Ilb that inputs the signal from the left and right wheel rotation sensor lOb, as in the conventional configuration, and and a second control valve 12b provided in the second brake booster 4 according to the output signal of the brake booster 4.

前１軸Ｆの左右輪の回転センサ９の信号と後第１軸Ｒ＋
の左右輪の回転センサｌＯａの信号とを入力する第１コ
ンピュータｌｌａと、この第１コンピュータｌｌａ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とによって構成され、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。The signal of the left and right wheel rotation sensor 9 of the front first axis F and the rear first axis R+
The first computer lla inputs the signal from the left and right wheel rotation sensor lOa, and the first control valve 12a provided in the first brake booster 3 receives the output signal from the first computer lla. The braking device for the first front shaft F and the braking device for the rear first shaft are operated in common by a single brake booster 3.

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ｌＯ
ｂの信号を入力する第２コンピユ□−タ１１　ｂ　き、
この第２コンピュータｌｌｂの出力信号にまり後第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.
A second computer 11 b inputs the signal of b,
The second control valve 12b controls the braking device 6b of the second shaft R2 after receiving the output signal from the second computer llb.

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
ピュータＩｌａと、この第１コンピュータｌｌａ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６
ａとを共通して制御する第１コントロールバルブ１２ａ
とによって構成されたものである。A first computer Ila inputs the signals of the left and right wheel rotation sensor 9 of the front one shaft and the signals of the left and right wheel rotation sensor 10a of the rear first shaft R1. Braking device 5 and rear first shaft braking device 6
A first control valve 12a that commonly controls
It is composed of

そして、−Ｆ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１２ａを制御す
る信号は第１コンピュータｌｌａによって第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ＩＯａ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Ｖｌ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ッ
ド制御するものである。In both the -F air over brake and the air brake, a signal for controlling the first control valve 12a is calculated and operated by the first computer lla as shown in FIG. 7 and output. That is, the rotation speed is calculated based on the signals from the rotation sensors 9 of the left and right wheels of the front one shaft, and the low rotation speed V1 is selected. Further, the rotational speed is calculated based on the signal from the rotation sensor IOa of the left and right wheels of the rear first shaft, and the high rotational speed v2 is selected. Then, the selected low rotation Vl and high rotation V2 are compared, the low rotation V3 is selected, and this is outputted as a control signal S calculated for opening and closing the control valve to control the opening and closing of the first control valve 12a, Anti-skid control is commonly performed on the braking device for the first front shaft and the braking device for the first rear shaft.

〈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つのコンピュータと１個の
コントロールバルブによって共用し、アンチスキッド制
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-skid control is performed. This has the advantage of simplifying piping, reducing the number of parts, and reducing costs.

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

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ッ
ド装置を示す構成図、第４図はエアブレーキにおける従
来のアンチスキッ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ュータロジックを示すブロック
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、■ｌａ・
・・第１コンピュータ、ｌｌｂ・・・第２コンピュータ
、１２ａ・・・第１コントロールバルブ、１２ｂ・・・
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. , Fig. 4 is a block diagram showing a conventional anti-skid device for an air brake, Fig. 5 is a block diagram when the device of the present invention is applied to an air over brake, and Fig. 6 is a block diagram when applied to an air brake. , FIG. 7 is a block diagram showing the computer logic according to the device of the present invention. F...front 1st axis, R1...rear 1st axis, R2...rear 2nd axis, 9, 10a, 10b...rotation sensor, ■la.
...First computer, llb...Second computer, 12a...First control valve, 12b...
2nd control valve.

Claims (1)

【特許請求の範囲】[Claims] 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コンピュータと、
この第２コンピュータにより後第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コンピュータと、この第１コンピ
ュータにより前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軸車のアンチスキッド装置。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;
A second control valve is provided for controlling the braking device for the left and right wheels of the rear second shaft by this second computer, and also includes a signal from a rotation sensor for the left and right wheels of the first front shaft and a signal from a rotation sensor for the left and right wheels of the rear first shaft. Input , select low rotation with the signal of the rotation sensor of the front 1st axis, select high rotation with the signal of the rotation sensor of the rear 1st axis, select low rotation from this low, high rotation, and control the control valve. A first computer that calculates opening/closing 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 shaft and the rear first shaft by this first computer. This is an anti-skid device for rear two-axle vehicles.
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 true JPS61132455A (en) 1986-06-19
JPH0411420B2 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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2605958A1 (en) * 1986-11-03 1988-05-06 Bosch Gmbh Robert BRAKE EQUIPMENT WITH TWO CIRCUITS
JPH0510141U (en) * 1991-02-20 1993-02-09 三菱自動車工業株式会社 Vehicle anti-lock device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2605958A1 (en) * 1986-11-03 1988-05-06 Bosch Gmbh Robert BRAKE EQUIPMENT WITH TWO CIRCUITS
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
JPH0411420B2 (en) 1992-02-28

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