日本*SMC數(shù)字式流量開關(guān)

流量開關(guān)就是根據(jù)流量來(lái)指令系統(tǒng)的開關(guān)的。

給流量開關(guān)設(shè)定上限或者下限，當(dāng)流量達(dá)到此次限定值時(shí)，流量開關(guān)發(fā)出信號(hào)或報(bào)警，系統(tǒng)將運(yùn)行或停止。一般要求流量的系統(tǒng)會(huì)采用流量開關(guān)。

根據(jù)系統(tǒng)的不同，以及流量開關(guān)型號(hào)等因素的不同，使用的地方也不同，要根據(jù)具體情況而定。

流量開關(guān)工作原理

水流量開關(guān)工作原理當(dāng)水流開關(guān)內(nèi)有水流動(dòng)，水流量≥1.0L/min時(shí)，水流開關(guān)內(nèi)的磁芯受水流推動(dòng)產(chǎn)生位移，磁芯位移帶動(dòng)磁源產(chǎn)生磁控作用使水流開關(guān)輸出“通”信號(hào)。流量開關(guān)快易優(yōu)自動(dòng)化選型有收錄，該信號(hào)輸入設(shè)備控制系統(tǒng)，經(jīng)控制系統(tǒng)實(shí)現(xiàn)控制作用，當(dāng)水流量小于啟動(dòng)流量時(shí)，水流開關(guān)輸出“斷”的信號(hào)?？刂葡到y(tǒng)產(chǎn)生與上述相反的控制作用。換句話說(shuō)就是：水流開關(guān)當(dāng)管路中的水流量大于1L/min流量時(shí)，磁芯在水流作用下產(chǎn)生位移并帶動(dòng)磁源產(chǎn)生磁控作用使傳感器輸出"1"開關(guān)信號(hào),該信號(hào)輸入到設(shè)備控制系統(tǒng)，經(jīng)功率擴(kuò)放大后實(shí)現(xiàn)以水流量控制的目的。當(dāng)管路中的水流量小于1L/min流量后，磁芯在復(fù)位彈簧推力作用下帶動(dòng)磁源回位，使傳感器輸出"0"開關(guān)信號(hào),停止系統(tǒng)的工作。流量開關(guān)具有靈敏度高、耐久性強(qiáng)等優(yōu)點(diǎn) 。

日本*SMC數(shù)字式流量開關(guān)

PF2A172H-20-29M
PF2A200
PF2A200-MA
PF2A300-A
PF2A301-A
PF2A310-A
PF2A311-A
PF2A510-01
PF2A510-01-1
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PF2A510-02
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PF2A511-N03
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PF2A521-03
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PF2A550-01
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PF2A550-01-2
PF2A550-02
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PF2A550-F02-2
PF2A550-N01
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PF2A551-04
PF2A551-04-1
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PF2A551-04N
PF2A703H-10-28
PF2A703H-10-28M
PF2A703H-10-29
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PF2A703H-10-69
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PF2A703H-F10-28
PF2A706H-14-28
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PF2A706H-14-29
PF2A706H-14-29M
PF2A710-01-27
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PF2A710-01-67
PF2A710-02-27
PF2A710-02-67
PF2A710-02-67-M
PF2A710-F01-27
PF2A710-F01-67
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PF2A711-03-27
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PF2A7110327X126
PF2A711-03-28
PF2A711-0328X56
PF2A7110328X560
PF2A711-F03-67
PF2A712H-20-28
PF2A712H-20-28M
PF2A712H-20-28N
PF2A712H-20-29
PF2A712H-20-29M
PF2A712H-20-69
PF2A721-02-27
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PF2A7210328X560
PF2A721-03-67
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PF2A721-N03-27M
PF2A750-01-27
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PF2A7500127X126
PF2A750-02-27
PF2A750-02-27-M
PF2A750-02-67
PF2A750-F02-27
PF2A750-N02-27
PF2A751-04-27
PF2A751-04-27-M
PF2A7510427X126
PF2A7510428X560
PF2A751-04-67
PF2A7510628X676
PF2A751F0468N56