JPS6437763U - - Google Patents

Info

Publication number
JPS6437763U
JPS6437763U JP1987133638U JP13363887U JPS6437763U JP S6437763 U JPS6437763 U JP S6437763U JP 1987133638 U JP1987133638 U JP 1987133638U JP 13363887 U JP13363887 U JP 13363887U JP S6437763 U JPS6437763 U JP S6437763U
Authority
JP
Japan
Prior art keywords
signal
air
air pressure
absolute value
setting value
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
JP1987133638U
Other languages
English (en)
Other versions
JPH0353961Y2 (ja
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 JP1987133638U priority Critical patent/JPH0353961Y2/ja
Priority to US07/231,931 priority patent/US4886320A/en
Priority to CA000576017A priority patent/CA1307572C/en
Publication of JPS6437763U publication Critical patent/JPS6437763U/ja
Application granted granted Critical
Publication of JPH0353961Y2 publication Critical patent/JPH0353961Y2/ja
Expired 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
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/02—Arrangements of pumps or compressors, or control devices therefor
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2066—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S303/00—Fluid-pressure and analogous brake systems
    • Y10S303/02—Brake control by pressure comparison
    • Y10S303/03—Electrical pressure sensor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例の構成説明図、第２
図は同実施例の各構成部の作動説明図である。 Ｍ……空気圧縮機、Ｐ……元空気溜の空気圧力
、Ｐ１……下限設定値、Ｐ２……上限設定値、Ｐ
Ｅ……圧力センサ、ＢＡ……バイアス信号発生器
、ＯＰ……演算器、ＣＯ……比較器、Ｅ１……第
１信号、ＲＥ……整流器（切換器）、Ｅ２……第
２信号、ＲＹ……出力リレー（切換器）、Ｅ３…
…第３信号、Ｖ１……第１設定値、Ｖ２……第２
設定値。

Claims (1)

  1. 【実用新案登録請求の範囲】 空気圧縮機に接続され鉄道車両の空気ブレーキ
    装置等の空気源である元空気溜の空気圧力を検知
    し、その空気圧力が低下して下限設定値以下にな
    ると空気圧縮機を稼動させると共に、その空気圧
    力が上昇して上限設定値以上になると空気圧縮機
    を停止させる鉄道車両用調圧装置であつて、 前記元空気溜の空気圧力を導入し、その空気圧
    力に比例してその絶対値が大きくなる交流電気信
    号に変換し、これを第１信号として出力する圧力
    センサと、 この第１信号に同期する一定の大きさの交流電
    気信号を第２信号として出力するバイアス信号発
    生器と、 この第２信号から前記第１信号を減算し、前記
    空気圧力に反比例してその絶対値が小さくなる交
    流電気信号とし、これを第３信号として出力する
    演算器と、 この第３信号を入力すると共に、前記空気圧力
    の上限設定値に相当する第１設定値および前記空
    気圧力の下限設定値に相当し且つ第１設定値より
    も絶対値の大きな第２設定値を備え、第３信号の
    絶対値が上昇して第２設定値の絶対値以上になる
    とその出力を交流電気信号とし、第３信号の絶対
    値が低下して第１設定値の絶対値以下になるとそ
    の出力を直流電気信号とする比較器と、 この比較器の出力が交流電気信号になると前記
    空気圧縮機を稼動させると共に、比較器の出力が
    直流電気信号になると空気圧縮機を停止させる切
    換器と、 から構成した鉄道車両用調圧装置。
JP1987133638U 1987-08-31 1987-08-31 Expired JPH0353961Y2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1987133638U JPH0353961Y2 (ja) 1987-08-31 1987-08-31
US07/231,931 US4886320A (en) 1987-08-31 1988-08-15 Vital pressure regulating system for railroad cars
CA000576017A CA1307572C (en) 1987-08-31 1988-08-30 Vital pressure regulating system for railroad cars

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987133638U JPH0353961Y2 (ja) 1987-08-31 1987-08-31

Publications (2)

Publication Number Publication Date
JPS6437763U true JPS6437763U (ja) 1989-03-07
JPH0353961Y2 JPH0353961Y2 (ja) 1991-11-27

Family

ID=15109500

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987133638U Expired JPH0353961Y2 (ja) 1987-08-31 1987-08-31

Country Status (3)

Country Link
US (1) US4886320A (ja)
JP (1) JPH0353961Y2 (ja)
CA (1) CA1307572C (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE517384C2 (sv) * 2001-06-05 2002-06-04 Volvo Lastvagnar Ab System för tryckluftsförsörjning samt fordon innefattande ett sådant system
CN108644096B (zh) * 2018-04-27 2019-11-22 北京新能源汽车股份有限公司 用于车辆的真空泵控制系统和车辆

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2536025A (en) * 1945-04-14 1951-01-02 Crystal Res Lab Inc Piezoelectric interferometer system
JPS5975577U (ja) * 1982-11-12 1984-05-22 三菱電機株式会社 車両用ポンプ装置の制御装置
JPS5975578U (ja) * 1982-11-12 1984-05-22 三菱電機株式会社 車両用ポンプ装置の制御装置
DE3538120A1 (de) * 1985-10-26 1987-04-30 Teves Gmbh Alfred Druckversorgungssystem, insbesondere fuer kraftfahrzeugbremsanlagen

Also Published As

Publication number Publication date
CA1307572C (en) 1992-09-15
JPH0353961Y2 (ja) 1991-11-27
US4886320A (en) 1989-12-12

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