JPH0425186B2 - - Google Patents
Info
- Publication number
- JPH0425186B2 JPH0425186B2 JP7012084A JP7012084A JPH0425186B2 JP H0425186 B2 JPH0425186 B2 JP H0425186B2 JP 7012084 A JP7012084 A JP 7012084A JP 7012084 A JP7012084 A JP 7012084A JP H0425186 B2 JPH0425186 B2 JP H0425186B2
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- computer
- signal
- control valve
- rotation
- 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
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
- B60T8/58—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 responsive to speed and another condition or to plural speed conditions
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
Description
【発明の詳細な説明】
＜技術分野＞
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 <Technical Field> The present invention relates to an anti-skid device for an automobile equipped with one front axle and two rear axles.
＜従来技術＞
前１軸、後２軸の自動車における制動配管構成
には、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> In the brake piping configuration of an automobile with one front axle and two rear axles, air over brakes are used to apply air pressure from an air tank 1 to the front brake booster by opening a brake valve 2, as shown in FIG. 3
and the rear brake booster 4 as an activation signal, and the hydraulic pressure generated by the operation of the front brake booster 3 activates the braking device 5 of the first front axle and the braking device 6 of 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軸の作動
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 opening the brake valve 2, and the air pressure in the air tank 1 due to the opening of the first relay valve 7 is used to operate the front 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４
ａ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. control valve 12a provided in the brake booster 3' for the front 1st axle, and
A control valve 1 which inputs the signal from the rotation sensor 10b of the left and right wheels of the shaft R2 to the rear second shaft computer 11b and is installed in the rear second shaft brake booth 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, and the brake booster 4 for the rear first shaft is inputted to the rear first shaft computer 11c.
The control valve 12c was configured to control the control valve 12c provided in the control valve 12c.
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。従つて、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軸のそれぞれに必要と
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、配管が複雑となつていると共に、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。 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 signals from the left and right wheel rotation sensors 10b of the rear second shaft are input to the rear second shaft computer 11b, and the rear second shaft
A configuration for controlling the control valve 12b of the braking device 6b of the rear shaft, and a configuration in which the signals from the rotation sensors 10a of the left and right wheels of the rear first shaft are input to the computer 11c for the rear first shaft to control the control valve 12b of the braking device 6a of the rear first shaft. 12c. Therefore, in both air over brakes and air brakes, computers and control valves are required for each of the front one axle and the rear two axles, and in the case of air over brakes, a brake booster is also required for each braking device on each axis. However, the problem was that the piping was complicated and the number of parts was large, resulting in high costs.
＜発明の目的＞
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。<Object of the invention> The object of the 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. .
＜発明の構成＞
本発明の特徴とする構成は、前１軸、後２軸を
備えた自動車において、前１軸左右輪の回転セン
サの信号と後第２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２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コンピユータと、この第
１コンピユータにより前１軸及び後第２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、また、後第１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１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たも
のである。<Configuration of the Invention> The characteristic configuration of the present invention is that in an automobile equipped with one front axle and two rear axles, a signal from a rotation sensor of the left and right wheels of the first axle and a signal of a rotation sensor of the left and right wheels of the second rear axle are combined. 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 2nd axis, select low rotation from high rotation to low rotation, and open/close the control valve. a first computer that calculates and 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 axle and the second rear axle by this first computer. The second computer inputs signals from the rotation sensors of the left and right wheels of the first shaft, and the second control valve controls the braking devices of the left and right wheels of the rear first shaft by the second computer.
＜実施例＞
以下本発明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１軸R1は
従来構成と同様に左右輪の回転センサ１０ａ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。<Example> 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 first shaft R1 is connected to a second computer 11b which inputs the signals from the left and right wheel rotation sensors 10a, as in the conventional configuration; 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
２軸R2の左右輪の回転センサ１０ｂ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２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 rotation sensor 9 for the left and right wheels of the first front axis F and the signal from the rotation sensor 10b for the left and right wheels of the second rear axis R2. and a first control valve 12a provided in the brake booster 3, so that the first brake booster 3 operates the braking device for the first front shaft F and the braking device for the second rear shaft in common. 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１軸R1は従来構成と同様に左右輪の
回転センサ１０ａ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１軸R1の制動装置６ａ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 first shaft R1 has a second computer 11b that inputs the signals of the left and right wheel rotation sensors 10a, and an output of this second computer 11b, as in the conventional configuration. The second control valve 12b controls the braking device 6a of the rear first shaft R1 based on a signal.
前１軸の左右輪の回転センサ９の信号と後第２
軸R2の左右輪の回転センサ１０ｂ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２軸の制動装置６ｂ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 axis and the rear 2nd
A first computer 11a inputs the signal of the rotation sensor 10b of the left and right wheels of the shaft R2 , and the output signal of this first computer 11a is used to commonly control the braking device 5 of the front one shaft and the braking device 6b of the second rear 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２軸の左右輪の回転センサ１０
ｂ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２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 second shaft
The rotation speed is calculated based on the signal b, and high rotation V 2 is selected. 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 braking device for the first front shaft and the braking device for the second rear shaft are commonly subjected to anti-skid control.
＜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 one front axle and the second 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.
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
Figure 5 is a configuration diagram showing a conventional anti-skid device for air brakes, Figure 5 is a configuration diagram when the device of the present invention is applied to air over brakes, Figure 6 is a configuration diagram when applied to air brakes, and Figure 7. FIG. 2 is a block diagram showing the computer logic of the device of the present invention. 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)
１軸左右輪の回転センサの信号と後第２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２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
ンピユータと、この第１コンピユータにより前１
軸及び後第２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、また、後第
１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
１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 with one front axle and two rear axles, input the rotation sensor signal of the left and right wheels of the first front axle and the signal of the rotation sensor of the left and right wheels of the second rear axle. The first motor selects low rotation, selects high rotation with the signal from the rear second shaft rotation sensor, selects low rotation from this low and high rotation, calculates the control valve opening/closing, and outputs this as a control signal. a computer, and this first computer
a second computer that includes a first control valve that commonly controls the braking device for the shaft and the left and right wheels of the rear second shaft, and that inputs a signal from a rotation sensor of the left and right wheels of the rear first shaft; An anti-skid device for a rear two-axle vehicle, comprising a second control valve for controlling a braking device for left and right wheels of a rear first axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7012084A JPS60215458A (en) | 1984-04-10 | 1984-04-10 | Antiskid apparatus for rear 2-axle car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7012084A JPS60215458A (en) | 1984-04-10 | 1984-04-10 | Antiskid apparatus for rear 2-axle car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60215458A JPS60215458A (en) | 1985-10-28 |
| JPH0425186B2 true JPH0425186B2 (en) | 1992-04-30 |
Family
ID=13422374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7012084A Granted JPS60215458A (en) | 1984-04-10 | 1984-04-10 | Antiskid apparatus for rear 2-axle car |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60215458A (en) |
-
1984
- 1984-04-10 JP JP7012084A patent/JPS60215458A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60215458A (en) | 1985-10-28 |
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