Relay - yog dab tsi? Hom relays thiab lawv lub hom phiaj

2024 Tus sau: Howard Calhoun | [email protected]. Kawg hloov kho: 2023-12-17 10:28

Cov txheej txheem ua haujlwm ntawm cov khoom siv engineering niaj hnub, cov khoom siv hluav taws xob thiab cov khoom siv hauv tsev muab rau ntau yam kev xaiv. Tsis tas li ntawd, cov ceg txheem ntseeg tau nce ntxiv rau ntawm kev tswj hwm kev tswj hwm nrog tsawg tus neeg teb xov tooj cuam tshuam. Txoj kev siv cov haujlwm zoo li no tuaj yeem sib txawv, tab sis cov relay tsim lub hauv paus ntawm kev siv tshuab. Nws yog dab tsi? Nyob rau hauv nws cov qauv qauv, qhov no yog ib tug ntaus ntawv nrog ib tug winding, tsim los kaw thiab qhib ib tug hluav taws xob Circuit Court. Raws li lub hauv paus ntsiab lus no, kev tswj hwm tau ua nyob rau hauv cov txheej txheem yooj yim tshaj plaws, tab sis ntu tab tom tsim thiab ntau thiab ntau cov cuab yeej ntawm hom no, tsom mus rau kev siv hauv cov chaw tshwj xeeb, tau nkag mus rau hauv kev ua lag luam ntau thiab ntau zaus.

Common relay device

Cov qauv yooj yim tshaj plaws suav nrog electromagnets, armature, thiab txuas fittings nrog conductors. Thaum lub sij hawm tam sim no ntws mus rau cov hlau nplaum, lub armature yog coj los ua ke nrog cov neeg sib cuag, uas ua rau lub luv luv Circuit Court. Lub caij nplooj ntoos hlav yog siv los tswj lub zog tam sim no thiab hloov mus rau hauv kev ua haujlwm txhua yam. Nws sib txuas lus ncaj qha nrog armature, kho cov qib siab ntawm cov neeg sib cuag. Hauv lwm lo lus, nyob ntawm tus yam ntxwv ntawm qhov tam sim no, kev khiav hauj lwm lub xeev ntawm cov cuab yeej hloov pauv, thiab nrog rau nws cov kev tswj ntawm cov cuab yeej siv. Piv txwv li, electromagnetic hom regulator relays muab ywj siab tswj ntawm boiler nroj tsuag, twj tso kua mis thiab lwm yam engineering systems, tig los yog tawm lawv lub hwj chim Cheebtsam. Rau kev kho kom raug ntau dua ntawm cov teeb liab Circuit Court, ntxiv cov ntsiab lus xws li resistors kuj tau muab. Nyob rau tib lub sijhawm, cov capacitors tuaj yeem siv los txo qhov kev pheej hmoo ntawm kev puas tsuaj rau cov khoom siv rhiab vim lub zog hluav taws xob.

Kev xav siv

Ntawm theem pib, relays siv los ua tus tswj hwm kev tiv thaiv thaum qee qhov kev ua haujlwm tsis zoo ntawm lub cev tuaj yeem cuam tshuam rau cov khoom siv. Ib qho piv txwv classic yog tib yam electromagnetic regulators uas ua ib hom kev ua haujlwm ntawm lub lim hluav taws xob. Thaum kuaj pom qhov txawv txav lossis qhov tam sim no, lawv raug kaw, yog li txiav tawm cov txheej txheem ua haujlwm tsis zoo. Ntawd yog, kev tiv thaiv muaj nuj nqi yog qhov yooj yim thiab yog muab rau hauv yuav luag txhua yam ntawm cov cuab yeej no. Tab sis nyob rau hauv niaj hnub variations, lwm yam hauj lwm kuj tshwm sim, vim hais tias yuav tsum tau nce lub autonomy ntawm kev tswj. Yog tias peb xav txog cov hom relays thiab lawv lub hom phiaj los ntawm qhov pom ntawm tus neeg siv, ces cov npe ntawm cov haujlwm yuav tsum tau daws yuav suav nrog cov hauv qab no:

• Kev ntsuas cov kua dej (hauv lub tank, basins, flasks, thiab lwm yam).
• Saib xyuas kev ua haujlwm tsis zoo xws li qhov kub thiab txias.
• Muab cov ntaub ntawv siv hluav taws xob.
• Automate khoom raws li sensors.

Cov txheej txheem ntawm kev ua haujlwm thiab txhais tau tias ntawm lawv qhov kev ua tiav txawv nyob ntawm qhov kev siv ntawm cov khoom siv thiab lub hom phiaj ntawm lub hom phiaj.

Kev faib tawm tseem ceeb

Lub hauv paus ntsiab lus tseem ceeb ntawm kev sib cais ntawm cov khoom siv relay yog raws li qhov tshwj xeeb ntawm thaj chaw siv. Lub hauv paus kev faib tawm qhov txawv ntawm thermal, theem, hluav taws xob thiab tsheb regulators. Tab sis txhua pab pawg kuj muaj nws tus kheej subcategories. Cov npe dav tshaj plaws ntawm cov txheej txheem sib cais hauv ntu ntawm cov hluav taws xob hloov hluav taws xob. Cov no suav nrog ib leeg- thiab peb-theem relays, cov khoom siv hauv lub xeev, cov khoom siv nruab nrab, thiab lwm yam. Cov hom relays kuj txawv nyob ntawm lub hauv paus ntsiab lus ntawm kev ua haujlwm. Tseem muaj cov cuab yeej siv tshuab nrov vim lawv cov qauv tsim yooj yim, tus nqi pheej yig thiab cov neeg raug siab heev. Hauv kev lag luam thev naus laus zis thev naus laus zis, cov tshuab tshuab tau hloov pauv los ntawm cov programmable thiab digital relays muab nrog microcontrollers. Feem ntau kom meej meej, qhov muaj peev xwm ntawm cov qauv zoo li no tau tshwm sim hauv lub sijhawm tswj hwm - timers, los ntawm cov neeg siv teeb tsa lub sijhawm ua haujlwm ntawm cov cuab yeej siv.

hom hluav taws xob relays

Cov khoom siv no tuaj yeem muab faib ua tsev neeg, chaw ua haujlwm thiab chaw ua haujlwm. Yog li ntawd, lawv tsom mus rau kev saib xyuas cov khoom siv hluav taws xob hauv tsev, cov khoom siv hauv chaw ua haujlwm thiab cov chaw tsim khoom (piv txwv li, cov tshuab ua haujlwm thiab cov cuab yeej siv tshuab). Hauv txhua kis, kev tiv thaiv kev hloov pauv hauv lub network tau muab. Hauv particular, qhov no yog qhia nyob rau hauv lub filtering ntawm voltage surges, kev sib raug zoo ntawm tam sim no indicators, qhov kev cais ntawm pulsed. Kev cuam tshuam, thiab lwm yam Ib zaug ntxiv, nyob ntawm daim ntawv thov, peb tuaj yeem tham txog kev ua haujlwm hauv ib leeg- thiab peb-theem fais fab sib txuas - raws, cov khoom siv tau muab faib ua 220- thiab 380-volt.

Los ntawm cov hluav taws xob tswj vaj huam sib luag, tus neeg siv tuaj yeem kho qhov kev ua haujlwm tsis zoo ntawm lub relay. Qhov no txhais li cas hauv kev xyaum? Lub relay yog muab nrog ib tug ntaus ntawv nrog ib tug digital interface thiab ib tug LED zaub, uas qhia txog tam sim no ntsuas. Los ntawm kev tswj ntawm tib lub vaj huam sib luag, qhov pib qhov tseem ceeb tau teeb tsa rau kev saib xyuas cov ntsuas tam sim no, qhov hluav taws xob, teeb tsa cov pab pawg sib cuag, hloov mus rau thiab tawm ntawm ib tus neeg ua haujlwm ntawm cov khoom siv. Lub relay yog mounted rau ib tug ua tiav DIN rail, uas nyob rau hauv ib co kev hloov kho kuj yuav txuas nrog lub tsev computer.

Relay timers

Tsis tas li, cov khoom siv no hu ua workflow time controllers. Lawv yog cov compact relays tsim los teeb lub sijhawm qhib thiab kaw raws li teev teev thiab feeb. Multifunctional timers ntawm hom no muab ntau hom programmable uas tso cai rau koj los teeb tsa cov khoom siv thiab kev teeb tsa ua haujlwm los ntawm lub lim tiam thiab hnub, qhia txog kev sib txuas sib txawv. Los ntawm kev tsim thiab kev siv fais fab, cov nram qab no hom relays tau muab faib:

• Socket. Txuas ncaj qha mus rau 220V thiab tsis tas yuav cabling.
• Wireed. Lawv tuaj yeem ntsia tau rau txhua qhov chaw uas cov hluav taws xob hluav taws xob hla. Cov cuab yeej tau nkag mus rau hauv lub network los ntawm contactors.
• Kev ywj pheej. Ua tiav kev ywj pheej los ntawm lub ntsiab, cov khoom siv los ntawm cov roj teeb lossis cov khoom ntim khoom.

Ntau yam ntawm thermal relays

Cov khoom siv yog tsim los rau ntau yam kev tiv thaiv kev ua haujlwm, suav nrog kev tiv thaiv theem asymmetry, overloads, jamming ntawm rotor mechanisms thiab pib qeeb. Nws yog ib qho tsim nyog yuav tau cais cov hom thermal relays raws li tus nqi voltage, tsim thiab installation txoj kev. Raws li rau lub network tsis, qhov ntsuas hluav taws xob tuaj yeem yog 220, 380 thiab 660 V. Qhov ntawd yog, cov cuab yeej siv tau txawm tias nyob rau hauv kev lag luam hnyav, ua haujlwm siab zog ntau lawm. Tus tsim thiab txoj kev ntawm installation nyob rau hauv cov ntaub ntawv ntawm tsev neeg qauv muab rau ob qho tib si kev sib txuas thiab installation nyob rau hauv ua ke nrog nrog contactors ntawm ib tug haum hom. Nyob rau hauv cov ntaub ntawv ntawm cov khoom siv, PML magnetic starters kuj siv tau rau cov chaw taws teeb tswj.

Control theem relay

Chav tsev no tuaj yeem ua raws li daim duab thaiv thiab nruab ntawm DIN rail. Tab sis nyob rau hauv tas li ntawd, tus tsim yuav muaj xws li ib tug filling tswj sensor. Nws tuaj yeem siv los ntawm ntau yam khoom siv thiab cov khoom siv uas tso cai rau koj los ntsuas qib ntawm cov kua. Cov qauv yooj yim tshaj plaws ntawm cov regulators yog sawv cev los ntawm ntab meters. Thaum lub teeb filling pib mus txog, lub Circuit Court qhib hauv hluav taws xob hluav taws xob thiab cov khoom siv nres muab cov khoom nruab nrab ua haujlwm. Cov keyboards siab ua haujlwm ntawm lub hauv paus ntsiab lus zoo sib xws, cov hom uas raug muab tua los ntawm kev tsim ntawm lub ntsuas siab. Nws tuaj yeem yogelectronic los yog mechanical. Tus qub kuj ua rau lub winding thiab lub thauj tog rau nkoj mechanism rau qhib lub Circuit Court, thaum lub tom kawg programmatically tswj lub workflow los ntawm kev pib los yog nres lub hom phiaj units.

Relay rau theem tswj

Lwm qhov kev hloov pauv ntawm cov khoom siv hluav taws xob tsis siv hluav taws xob, kev ua haujlwm raws li kev tswj hwm tsis siv neeg. Hom qauv, tshwj xeeb, saib xyuas qhov voltage hauv converters thiab lub tshuab hluav taws xob. Lub symmetry ntawm qhov ntau thiab qhov muaj tam sim no yog ntsuas. Feem ntau, cov cuab yeej zoo li no tau siv hauv thaj chaw muaj kev lag luam los tswj kev ua haujlwm ntawm asynchronous motors. Ua tsaug rau qhov tshwj xeeb ntawm daim ntawv thov, cov tuam ntxhab muab kev tiv thaiv qib siab rau cov relay nws tus kheej. Nws yog dab tsi nyob rau hauv cov nqe lus ntawm kev siv structural? Cov no yog cov yam ntxwv ntawm lub plhaub thiab cov plhaub ntxiv, txiav txim siab los ntawm chav kawm kev ruaj ntseg. Yog tias tsev neeg tswj hwm tau sau npe raws li qhov ntsuas no IP 20, tom qab ntawd cov tswj hwm kev lag luam yog IP 40. Qhov kev tiv thaiv qib no qhia txog kev cais tawm ntawm lub cev txawv teb chaws, kev poob siab thiab kev siv lub peev xwm ntawm qhov kub ntawm -10 txog 50 degrees.

Automotive relays

Kev thauj mus los ntawm hluav taws xob engineering kuj tseem ua tsis tiav yam tsis muaj kev tswj hwm lub network los ntawm cov khoom siv huab cua, cov pab cuam hluav taws xob thiab cov khoom siv ntau yam ua haujlwm. Xws li relays yog ntsia rau hauv dashboard los yog ze ntawm lub load, thiab yog tswj los ntawm me me nyees khawm nrog nyias kev sib txuas. Raws li txoj cai, siv ob hom tsheb relays:

• Nrog ob khub kaw.
• Nrog peb lub keyboards.

Qhov txawv yog qhov tseeb tias "troika" thaum lub sijhawm ua kom lub cuab yeej kaw rau ib qho kev sib cuag, thiab nws cov khub raug kaw. Tseem muaj cov tshwj xeeb versions ntawm automotive regulators rau tej pawg ntawm cov khoom. Rau optics, piv txwv li, relays nrog txhim kho sealing nyob rau hauv daim ntawv ntawm ib tug compound filling yog tsim. Qhov no yog los xyuas kom meej tias qhov hloov pauv tuaj yeem nyob ze ze ntawm lub teeb taub hau.

Cov txheej txheem xaiv lub cuab yeej yog dab tsi?

Lub hauv paus ntsiab lus xaiv yog kom raug txiav txim siab txog kev khiav hauj lwm ntawm cov cuab yeej siv. Cov no tuaj yeem yog qhov ntsuas hluav taws xob, qhov muaj zog tam sim no, qhov ntsuas kub, lossis ntsuas qhov siab. Cov kauj ruam tom ntej yog nrhiav txoj hauv kev zoo tshaj plaws los nthuav qhia cov ntaub ntawv. Ib txwm hom ntawm relays yog coj los ntawm ib tug tsawg kawg nkaus daim ntawv teev cov ntaub ntawv tswj thiab xyaum tsis muab ib tug ua tiav daim duab ntawm lub workflow. Cov qauv tshiab kawg tuaj yeem tso saib cov ntaub ntawv hais txog lub cuab yeej los ntawm kev nthuav qhia ntau yam duab thiab ntau thiab tsawg. Feem ntau ergonomic thiab haumxeeb qauv muaj tswj panels nrog sensors thiab programmable modules. Raws li cov tuam txhab tsim khoom, cov tuam txhab nto moo tshaj plaws thiab ntseeg tau suav nrog ABB, SVEN, Orbis thiab NovAtek. Tus nqi ntawm cov khoom siv pib los ntawm 1000-1200 rubles. Cov qib siab yog nyob rau hauv thaj tsam ntawm 3000-3500 rubles.

Nyob hauv kaw

Kev siv cov tswj hluav taws xob yog qhov nyuaj rau kev ntaus nqi rau lub teb chaws, vim lawv tseem ua haujlwm tshwj xeebtswj cov haujlwm. Txawm li cas los xij, muaj cov cheeb tsam uas cov neeg tsis paub qab hau yuav tsum tau nrog cov cuab yeej zoo li no. Yog li, tus tswv tsev zoo tib yam yuav raug ntsib nrog qhov xav tau los txhim kho engineering relay. Nws yog dab tsi? Qhov no yog ib qho ntawm cov khoom siv hluav taws xob ntau tshaj plaws uas ua haujlwm hauv tsev boilers, radiators thiab lwm yam khoom siv hluav taws xob muaj zog. Raws li txoj cai, koj tuaj yeem ua yam tsis muaj lawv, tab sis qhov no, kev ntseeg siab thiab ruaj khov ntawm cov cuab yeej txo qis.