Danshin kasa yana nufin abun cikin kasa. A cikin noma, abubuwan da ke cikin ƙasa ba za su iya samun su kai tsaye ta hanyar amfanin gona da kansu ba, kuma ruwan da ke cikin ƙasa yana aiki azaman kaushi don narkar da waɗannan abubuwan da ba a haɗa su ba.danshi na ƙasata hanyar tushen su, samun kayan abinci mai gina jiki da haɓaka girma.A cikin aiwatar da girma da haɓaka amfanin gona, saboda nau'ikan iri daban-daban, abubuwan da ake buƙata don yanayin ƙasa, abun ciki na ruwa da salinity suma sun bambanta.Saboda haka, na'urori masu auna firikwensin waƙa, irin su zafin jiki da na'urori masu zafi. da kuma na'urorin danshi na ƙasa, ana buƙatar don lura da waɗannan abubuwan muhalli.
Ma'aikatan aikin gona sun saba da suƙasa danshi na'urori masu auna sigina, amma akwai matsaloli da yawa wajen zabar da amfani da na'urorin damshin ƙasa.Anan akwai wasu tambayoyi gama gari game da na'urorin damshin ƙasa.
Mafi yawan amfani da firikwensin danshi na ƙasa a kasuwa sune TDR ƙasa danshin firikwensin da firikwensin danshin ƙasa na FDR.
1. Ƙa'idar aiki
FDR yana tsaye ne don tunanin yanki na mita, wanda ke amfani da ka'idar bugun bugun bugun jini.Ana auna ma'auni na dielectric akai-akai (ε) na ƙasa bisa ga yawan igiyoyin lantarki da ke yaduwa a cikin matsakaici, kuma ana samun adadin ruwan ƙasa (θv).Firikwensin danshi na ƙasa na HENGKO yana ɗaukar ka'idar FDR, kuma samfuranmu yana da kyakkyawan aikin rufewa, wanda za'a iya binne shi kai tsaye cikin ƙasa don amfani, kuma ba a lalata shi ba.Babban ma'auni, ingantaccen aiki, tabbatar da aiki na yau da kullun, amsa mai sauri, ingantaccen watsa bayanai.
TDR yana nufin tunani yanki na lokaci, wanda shine ka'ida ta gama gari don saurin gano danshin ƙasa.Ka'ida ita ce, raƙuman ruwa akan layukan watsa da basu dace ba suna nunawa.Siffar igiyar igiyar ruwa a kowane wuri akan layin watsawa shine madaidaicin siginar igiyar ruwa ta asali da kuma fasalin igiyar igiyar ruwa.Kayan aikin ƙa'idar TDR yana da lokacin amsawa na kusan 10-20 seconds kuma ya dace da ma'aunin wayar hannu da saka idanu tabo.
2. Menene fitarwa na HENGKO ƙasa danshi firikwensin?
Nau'in ƙarfin lantarki Nau'in RS485 na yanzu
Wutar lantarki mai aiki 7 ~ 24V 12 ~ 24V 7 ~ 24V
Aiki na yanzu 3 ~ 5mA 3 ~ 25mA 3 ~ 5mA
Sigina na fitarwa Siginar fitarwa: 0～2V DC (0.4～2V DC za a iya musamman) 0～20mA, (4～20mA za a iya musamman) MODBUS-RTU yarjejeniya
HENGKO ya ba da shawarar cewa ya kamata a kula da waɗannan abubuwan yayin shigar da na'urori masu auna danshi na ƙasa:
1. Saka firikwensin a tsaye: Saka firikwensin digiri 90 a tsaye a cikin ƙasa don gwadawa.Kar a girgiza firikwensin yayin sakawa don gujewa lankwasawa da lalata binciken firikwensin.
2. Shigar da na'urori masu auna firikwensin da yawa: Saka firikwensin a cikin ƙasa don gwadawa a layi daya.Ana amfani da hanyar don gano danshin ƙasa mai yawa.Kar a girgiza firikwensin yayin sakawa don guje wa lankwasa binciken firikwensin da lalata allurar karfe.
3. Zai fi kyau a zaɓi ƙasa mai laushi don ma'aunin shigarwa.Idan kun ji cewa akwai dunƙule mai wuya ko na waje a cikin ƙasa da aka gwada, da fatan za a sake zabar matsayin ƙasan da aka gwada.
4. Lokacin da aka adana firikwensin ƙasa, shafa alluran bakin karfe guda uku tare da busassun tawul ɗin takarda, rufe su da kumfa, kuma adana su a cikin busasshen yanayin 0-60 ℃.
Muƙasa danshi firikwensinTsarin shigarwa abu ne mai sauqi qwarai, babu buƙatar hayan ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun ku, ku ceci kuɗin aikin ku.Kayayyakin sun dace da ban ruwa mai ceton noma, greenhouse, furanni da kayan lambu, ciyawar ciyawa da makiyaya, ma'aunin saurin ƙasa, noman shuka, gwajin kimiyya, Man fetur na karkashin kasa, bututun iskar gas da sauran kula da lalata bututun da sauran filayen. Gabaɗaya, farashin shigarwa na firikwensin ya dogara da yankin wurin aunawa da aikin da aka samu.Kuna buƙatar tantance yawan na'urori masu auna danshin ƙasa da kuke buƙatar sanyawa a wurin aunawa? Nawa na'urori masu auna firikwensin daidai da mai tattara bayanai?Yaya tsawon lokacin kebul ɗin tsakanin firikwensin?Kuna buƙatar ƙarin masu sarrafawa don aiwatar da wasu ayyukan sarrafawa ta atomatik?Bayan fahimtar waɗannan matsalolin, zaku iya zaɓar daidai da bukatunku ko barin ƙungiyar injiniyan HENGKO ta zaɓi samfuran da sabis masu dacewa a gare ku.
Lokacin aikawa: Maris 15-2022