德國力士樂Rexroth放大器0811405145 VT-SSPA1-525-2X/V0/I *** *** 庫存 現(xiàn)貨
德國力士樂Rexroth放大器0811405145 VT-SSPA1-525-2X/V0/I比例控制放大器和比例電磁鐵構(gòu)成比例控制系統(tǒng),簡稱為比例控制器。其性能優(yōu)劣直接影響比例閥的綜合性能。對(duì)于單個(gè)部件如比例控制放大器和比例電磁鐵都能到達(dá)設(shè)計(jì)要求,組成系統(tǒng)后不一定符合系統(tǒng)的要求,其原因是系統(tǒng)中存在各單元之間的參數(shù)匹配問題。通過對(duì)比例控制系統(tǒng)綜合性能的測試,利用系統(tǒng)中各單元的可調(diào)部分,調(diào)整相應(yīng)的參數(shù),使系統(tǒng)達(dá)到佳匹配,這是設(shè)計(jì)本系統(tǒng)的目的。
電液比例閥是一種根據(jù)輸入的電氣信號(hào),連續(xù)地,按比例地對(duì)油液的壓力,流量等參數(shù)進(jìn)行控制的閥類。它不僅能實(shí)現(xiàn)復(fù)雜的控制功能,而且具有抗污染,低成本,響應(yīng)快等優(yōu)點(diǎn),在液壓控制工程中獲得越來越廣泛地應(yīng)用。
比例控制放大器是一種用來對(duì)比例電磁鐵提供特定性能電流,并對(duì)電液比例閥或電液比例控制系統(tǒng)進(jìn)行開環(huán)或閉環(huán)調(diào)節(jié)的電子裝置。它是電液比例控制元件或系統(tǒng)的重要組成單元。






VT-SSPA1-525-2X/V0/I力士樂閥門放大器比例控制器是電液比例控制系統(tǒng)核心部分,現(xiàn)代電液比例控制器集成了式比例放大器,智能控制器,現(xiàn)場總線接口等數(shù)字化功能模塊,為了與比例閥集成一體化設(shè)計(jì),比例控制器應(yīng)微型化和有高能效比,國內(nèi)目前在比例控制器的設(shè)計(jì)上與國外,還有較大的差距,特別是高能效設(shè)計(jì)的缺少,國內(nèi)比例控制器的能耗較高。
智能型比例控制器的特點(diǎn):
(1)體積小型化,集成化一體化設(shè)計(jì)由于傳感器和電子器件的小型化,出現(xiàn)了傳感器,測量放大器,控制放大器和閥復(fù)合一體化的元件,世界各大液壓公司在其新型開發(fā)的比例控制系統(tǒng)中,將電子線路內(nèi)置封裝于閥或泵等中,減少了導(dǎo)線和插裝,整體上看簡潔,對(duì)使用者要求更低,系統(tǒng)可靠性更高。
(2)數(shù)字化,智能化采用數(shù)字芯片和微處理器,通過軟件實(shí)現(xiàn)原來由硬件實(shí)現(xiàn)的各種控制功能,使用靈活方便且成本低廉。加入通信功能的智能型節(jié)點(diǎn)可與其他節(jié)點(diǎn)或中心控制器進(jìn)行實(shí)時(shí)通信,各節(jié)點(diǎn)的液壓件能根據(jù)自身特殊的要求完成采集,處理,儲(chǔ)存某些信號(hào)的功能,可由中點(diǎn)控制站完成現(xiàn)場控制對(duì)全系統(tǒng)實(shí)行監(jiān)測監(jiān)控和故障診斷。
(3)多功能化例如一個(gè)電液比例閥控制一執(zhí)行件或泵時(shí),可以同時(shí)控制位移,速度,加速度,力或壓力,僅取決于系統(tǒng)采用不同的傳感器,反饋量和控制算法,或者取決于電子線路的切換。
力士樂Rexroth放大器大部分型號(hào)如下:
德國力士樂Rexroth放大器,電子放大器 ,模擬放大器,放大器模塊,電液比例閥放大板,比例閥控制器,數(shù)字式比例放大器,比例閥放大器,比壓比流放大板,壓力流量放大板,雙比例閥放大板,電液比例溢流閥放大板,數(shù)字式軸控制器,電子比例放大器,比例電子放大器,比例放大板,力士樂比例閥放大器
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