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    • 10. 发明专利
    • Compression air supply device
    • 压缩空气供应装置
    • JP2014152666A
    • 2014-08-25
    • JP2013021803
    • 2013-02-06
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社Mitsubishi Electric Corp三菱電機株式会社Central Japan Railway Co東海旅客鉄道株式会社
    • INUI TAKAHISAWATANABE TOMOKIKOBAYASHI SATOSHITANIYAMA NORIYUKITANAKA SHINICHIRO
    • F04B49/06F04B41/02
    • F04B41/02B60T13/665B60T15/021B60T15/048B60T17/02B60T17/228F04B49/03Y10T137/86051
    • PROBLEM TO BE SOLVED: To provide a compression air supply device which enables operation in a state that a pressure gradient is reduced between air tanks regardless of the mounting balance of air compressors and the air tanks in the structure.SOLUTION: A compression air supply device includes: a pressure measurement part 6a which measures a pressure of compression air A of a main air tank 5a connected with an air compressor 3 through the shortest passage; a control section 7 which operates the air compressor 3 when a measurement value of the pressure measurement part 6a becomes equal to or lower than a first pressure and stops the air compressor 3 when the measurement value reaches a second pressure larger than the first pressure; and release valve devices 80, each of which is provided between the air compressor 3 and each main air tank 5. The release valve device 80 includes a fixed throttle part 81 which limits flow of the compression air A; and a valve body 82 which is provided closer to the main air tank 5 side relative to the fixed throttle part 81, opens a sixth connection pipeline 56 to the atmosphere when the pressure of the compression air A reaches a third pressure larger than the second pressure, and closes the sixth connection pipeline 56 when the pressure of the compression air A reaches a fourth pressure that is larger than the second pressure and is smaller than the third pressure after the sixth connection pipeline 56 is opened.
    • 要解决的问题:提供一种压缩空气供应装置,其能够在空气罐之间的压力梯度减小的状态下进行操作,而与空气压缩机和空气罐在结构中的安装平衡无关。解决方案:压缩空气供应装置 包括:压力测量部6a,其通过最短通道测量与空气压缩机3连接的主空气罐5a的压缩空气A的压力; 当压力测量部分6a的测量值变得等于或低于第一压力时操作空气压缩机3的控制部分7,当测量值达到比第一压力大的第二压力时,使空气压缩机3停止; 释放阀装置80包括:限制压缩空气A的流动的固定节流部81;隔离阀装置80,其设置在空气压缩机3和主空气罐5之间。 并且当压缩空气A的压力达到大于第二压力的第三压力时,相对于固定节流部81更靠近主空气罐5侧设置的阀体82向大气开放第六连接配管56 并且当压缩空气A的压力达到比第二压力大的第四压力并且在第六连接管道56打开之后小于第三压力时,关闭第六连接管线56。