參考價(jià): | 面議 |
- Burkert 產(chǎn)品型號(hào)
- 寶德/Burkert 品牌
- 代理商 廠商性質(zhì)
- 上海市 所在地
訪問(wèn)次數(shù):553更新時(shí)間:2017-11-21 11:46:41
德國(guó)8077傳感器
流量傳感器是通過(guò)在被測(cè)量轉(zhuǎn)軸上設(shè)定反射記號(hào),而后獲得光線反射信號(hào)來(lái)完成物體轉(zhuǎn)速測(cè)量的。反射式光電轉(zhuǎn)速傳感器的光源會(huì)對(duì)被測(cè)轉(zhuǎn)軸發(fā)出光線,光線透過(guò)透鏡和半透膜入射到被測(cè)轉(zhuǎn)軸上,而當(dāng)被測(cè)轉(zhuǎn)軸轉(zhuǎn)動(dòng)時(shí),反射記號(hào)對(duì)光線的反射率就會(huì)發(fā)生變化。反射式光電轉(zhuǎn)速傳感器內(nèi)裝有光敏元件,當(dāng)轉(zhuǎn)軸轉(zhuǎn)動(dòng)反射率增大時(shí),反射光線會(huì)通過(guò)透鏡投射到光敏元件上,反射式光電轉(zhuǎn)速傳感器即可發(fā)出一個(gè)脈沖信號(hào)。BURKERT容積式流量傳感器等組為一體,因此除了其換向功能之外,還具有使系統(tǒng)限壓、卸荷、執(zhí)行元件的鎖位等功能,特別是卸荷功能尤為重要.在農(nóng)業(yè)機(jī)械中,特別是聯(lián)合收割機(jī)中,普遍使用多路組合換向閥,各執(zhí)行元件間斷工作,液壓系統(tǒng)經(jīng)常處于卸荷狀態(tài)。
德國(guó)8077傳感器
BURKERT volumetric flow sensor and other group as a whole, so in addition to its reversing function, but also has the system pressure limiting, unloading, lock of actuators, and other functions, especially the unloading function is particularly important. In agricultural machinery, especially in combine harvesters, multiplexing valve is widely used, and each execution component works intermittently. The hydraulic system is often in unloaded condition
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