JPH0471371U - - Google Patents
Info
- Publication number
- JPH0471371U JPH0471371U JP11583890U JP11583890U JPH0471371U JP H0471371 U JPH0471371 U JP H0471371U JP 11583890 U JP11583890 U JP 11583890U JP 11583890 U JP11583890 U JP 11583890U JP H0471371 U JPH0471371 U JP H0471371U
- Authority
- JP
- Japan
- Prior art keywords
- pneumatic
- brake
- hydraulic pressure
- wheel
- supply
- 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
Links
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims 4
- 238000007599 discharging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Braking Systems And Boosters (AREA)
Description
第１図は本考案の第１実施例の空圧−液圧変換
型ブレーキ制御装置の配管系統図、第２Ａ図及び
第２Ｂ図は第１図におけるダブル・チエツク・バ
ルブの詳細を示す拡大断面図、第３図は本考案の
第２実施例による空圧−液圧変換型ブレーキ制御
装置の配管系統図、第４図は本考案の第３実施例
による空圧−液圧変換型ブレーキ制御装置の配管
系統図、第５図は本考案の第４実施例による空圧
−液圧変換型ブレーキ制御装置の配管系統図、第
６図は本考案の第５実施例による空圧−液圧変換
型ブレーキ制御装置の配管系統図及び第７図は従
来例の駆動スリツプ制御及びアンチスキツド制御
を行なうブレーキ液圧制御装置の配管系統図であ
る。
なお図において、２……ブレーキバルブ、４ａ
，４ｂ……圧縮空気タンク、６ａ，６ｂ……管路
、７，７Ａ……ダブル・チエツク・バルブ、９Ａ
，９Ｂ……ＡＯＨ、１６……アンチスキツド液圧
制御部、１７Ａ，１７Ｂ……電磁切換弁、１９ａ
，１９ｂ……後輪、２３……液圧ポンプ、３２…
…電磁給排切換弁、３４Ａ，３４Ｂ……電磁切換
弁、３６ａ，３６ｂ……前輪、５０……電磁給排
切換弁、５１Ａ，５１Ｂ……遮断弁、７０……給
排路選択装置、７１，７２……遮断弁。
Fig. 1 is a piping system diagram of a pneumatic-hydraulic pressure conversion type brake control device according to the first embodiment of the present invention, and Figs. 2A and 2B are enlarged cross-sections showing details of the double check valve in Fig. 1. 3 is a piping system diagram of a pneumatic-hydraulic pressure conversion type brake control device according to a second embodiment of the present invention, and FIG. 4 is a pneumatic-hydraulic pressure conversion type brake control system according to a third embodiment of the present invention. Fig. 5 is a piping system diagram of the pneumatic-hydraulic pressure conversion type brake control device according to the fourth embodiment of the present invention, and Fig. 6 is a piping system diagram of the pneumatic-hydraulic pressure conversion type brake control device according to the fifth embodiment of the present invention. A piping system diagram of a conversion type brake control device and FIG. 7 is a piping system diagram of a brake hydraulic pressure control device that performs drive slip control and anti-skid control in a conventional example. In addition, in the figure, 2...brake valve, 4a
, 4b... Compressed air tank, 6a, 6b... Piping, 7, 7A... Double check valve, 9A
, 9B...AOH, 16...Anti skid hydraulic pressure control section, 17A, 17B...Solenoid switching valve, 19a
, 19b...Rear wheel, 23...Hydraulic pump, 32...
...Electromagnetic supply/discharge switching valve, 34A, 34B...Solenoid switching valve, 36a, 36b...Front wheel, 50...Electromagnetic supply/discharge switching valve, 51A, 51B...Shutoff valve, 70... Supply/discharge path selection device, 71 , 72...Shutoff valve.
Claims (1)
、これを液圧に変換させる空圧−液圧変換装置か
らの液圧を車輪のホイールシリンダに供給してブ
レーキをかけるようにし、かつ該車輪の駆動スリ
ツプ制御及びアンチスキツド制御を行なうように
した空圧−液圧変換型ブレーキ制御装置において
、前記空圧−液圧変換装置と前記車輪のホイール
シリンダとの間に、前記車輪の回転状態を評価す
るコントロール・ユニツトからの指令を受けて、
通常は前記空圧−液圧変換装置側と前記車輪のホ
イールシリンダ側とを相連通させている第１状態
をとつているが、前記コントロール・ユニツトが
前記車輪のブレーキを弛めるべきであると判断す
ると少なくともブレーキを弛めるべき第２状態に
切り換えられ、前記車輪のホイールシリンダから
排出されるブレーキ液をリザーバに排出させる液
圧制御弁を設け、液圧ポンプにより前記リザーバ
からブレーキ液を吸い込んで前記空圧−液圧変換
装置と前記液圧制御弁とを結ぶ液圧用主管路に圧
液を供給するようにし、前記ブレーキバルブと前
記空圧−液圧変換装置とを結ぶ空圧用主管路から
分岐して空圧用副管路を設け、該空圧用副管路に
空気圧力源と給排切換弁とを接続し、前記空圧用
主管路と前記空圧用副管路との前記分岐位置に前
記ブレーキバルブと前記空圧−液圧変換装置との
間で給排させるための第１位置と、前記給排切換
弁と前記空圧−液圧変換装置との間で給排させる
ための第２位置とを選択的にとり得る給排路選択
装置を設け、前記給排切換弁は通常は前記空気圧
力源と前記給排路選択装置との間を遮断し、前記
給排路選択装置側と大気とを連通させているが駆
動スリツプ制御を開始すべきであると前記コント
ロール・ユニツトが判断すると前記給排路選択装
置側と前記空気圧力源側とを連通させるための連
通位置に切換えられると共に前記給排路選択装置
は前記第２位置に切換えられるようにしたことを
特徴とする空圧−液圧変換型ブレーキ制御装置。 A pneumatic-hydraulic pressure conversion device receives air pressure supplied from a brake valve and converts it into hydraulic pressure. The hydraulic pressure is supplied to a wheel cylinder of a wheel to apply a brake, and the drive slip of the wheel is applied. In the pneumatic-hydraulic pressure conversion type brake control device that performs control and anti-skid control, a control device for evaluating the rotational state of the wheel is provided between the pneumatic-hydraulic pressure conversion device and the wheel cylinder of the wheel. Upon receiving instructions from the unit,
Normally, the first state is in which the pneumatic-hydraulic pressure converter side and the wheel cylinder side of the wheel are in communication with each other, but the control unit determines that the brake of the wheel should be released. Then, at least the brake is switched to a second state in which the brake is released, and a hydraulic control valve is provided that discharges the brake fluid discharged from the wheel cylinder of the wheel into a reservoir, and a hydraulic pump sucks brake fluid from the reservoir to drain the brake fluid. Pressure fluid is supplied to a main hydraulic pipeline connecting the pressure-to-hydraulic pressure converter and the hydraulic pressure control valve, and the main pipeline connects the brake valve to the pneumatic-to-hydraulic converter. A pneumatic sub-pipe is provided, an air pressure source and a supply/discharge switching valve are connected to the pneumatic sub-pipe, and the brake valve is connected to the branch position of the pneumatic main pipe and the pneumatic sub-pipe. and a second position for supplying and discharging between the supply and discharge switching valve and the pneumatic to hydraulic pressure converting device. A supply/discharge route selection device is provided which can selectively select the supply/discharge route selection device, and the supply/discharge switching valve normally shuts off between the air pressure source and the supply/discharge route selection device, and connects the supply/discharge route selection device side to the atmosphere. However, when the control unit determines that drive slip control should be started, the control unit switches to a communication position for communicating the supply/discharge path selection device side and the air pressure source side, and A pneumatic-hydraulic pressure conversion type brake control device, characterized in that the road selection device can be switched to the second position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990115838U JP2562962Y2 (en) | 1990-11-02 | 1990-11-02 | Pneumatic-hydraulic pressure conversion type brake controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990115838U JP2562962Y2 (en) | 1990-11-02 | 1990-11-02 | Pneumatic-hydraulic pressure conversion type brake controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0471371U true JPH0471371U (en) | 1992-06-24 |
| JP2562962Y2 JP2562962Y2 (en) | 1998-02-16 |
Family
ID=31863640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990115838U Expired - Lifetime JP2562962Y2 (en) | 1990-11-02 | 1990-11-02 | Pneumatic-hydraulic pressure conversion type brake controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2562962Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007112425A (en) * | 2005-10-21 | 2007-05-10 | Voith Turbo Gmbh & Co Kg | Control air system and method of controlling control air pressure in this kind of system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4600166B2 (en) * | 2005-06-09 | 2010-12-15 | 株式会社アドヴィックス | Traction control device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5919459U (en) * | 1982-07-30 | 1984-02-06 | 日野自動車株式会社 | emergency braking device |
| JPH02225168A (en) * | 1989-02-27 | 1990-09-07 | Atsugi Unisia Corp | Vehicle slip control device |
-
1990
- 1990-11-02 JP JP1990115838U patent/JP2562962Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5919459U (en) * | 1982-07-30 | 1984-02-06 | 日野自動車株式会社 | emergency braking device |
| JPH02225168A (en) * | 1989-02-27 | 1990-09-07 | Atsugi Unisia Corp | Vehicle slip control device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007112425A (en) * | 2005-10-21 | 2007-05-10 | Voith Turbo Gmbh & Co Kg | Control air system and method of controlling control air pressure in this kind of system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2562962Y2 (en) | 1998-02-16 |
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