Wɔ nnɛyi nnwuma, kar nhyehyɛe, ne afie mu nneɛma a wɔde di dwuma mu no, nsu dodow a wɔhwɛ so ho hia na ama ahobammɔ a ɛwɔ adwumayɛ mu, ɛyɛ adwuma yiye, na ɛyɛ adwuma a wotumi de ho to so. Mfiri abien a wɔtaa de di dwuma ma eyi ne level switch ne level transmitters. Bere a wɔayɛ abien no nyinaa sɛnea ɛbɛyɛ a wobetumi asusuw nsu anaa ade a ɛyɛ den dodow na wɔahwɛ so no, ɛsono atirimpɔw ahorow na ɛyɛ adwuma wɔ akwan horow so. Nsonsonoe a ɛda mfiri ahorow abien yi ntam ntease ho hia kɛse ma mfiridwumayɛfo, wɔn a wɔyɛ adwuma, ne wɔn a wɔyɛ nhyehyɛe ahorow no sɛ wɔbɛpaw ano aduru a ɛfata ama wɔn ahiade.
BI level switch yɛ point-level detection device titiriw a ɛkanyan adeyɛ bi, te sɛ pɔmpɛ a wɔdan anaa dum, valve a wobue anaa wɔto mu, anaasɛ alarm a wɔde yɛ adwuma bere a wɔadu nsu anaa ade a ɛyɛ den dodow bi ho no. Nea ɛne eyi bɔ abira no, level transmitter ma wɔkɔ so hwɛ nsu dodow so na ɛde analog anaa dijitaal sɛnkyerɛnne kɔ automated control systems mu ma wɔsusuw pɛpɛɛpɛ na wɔhwɛ nhyehyɛe so.
Wɔ saa asɛm yi mu no, yɛbɛhwehwɛ nkyerɛaseɛ, adwumayɛ nnyinasosɛm, dwumadie, mfasoɔ, ne nsonsonoeɛ titire a ɛwɔ level switches ne level transmitters ntam. Yɛbɛsan nso de akwankyerɛ ama wɔ mfiri a ɛfata a yɛbɛpaw ama mfiridwuma, kar, ne afie mu nneɛma pɔtee bi ho.
1. Nteaseɛ a ɛfa Level Switch ho
Level switch yɛ afiri a wɔayɛ sɛ ɛbɛhunu sɛ nsuo anaa ade a ɛyɛ den bi wɔ hɔ anaasɛ enni hɔ wɔ beaeɛ pɔtee bi wɔ ade bi mu na ɛma sɛnkyerɛnne a ɛda nsow wɔ on/off. Wɔde level switches di dwuma kɛse wɔ nnwuma ahorow mu esiane sɛ ɛyɛ mmerɛw, wotumi de ho to so, na ɛho ka sua nti.
1.1 Nkyerɛaseɛ ne Botaeɛ
Botae titiriw a ɛwɔ level switch ho ne sɛ ɛbɛhwɛ nsu anaa ade a ɛyɛ den dodow pɔtee bi na akanyan adeyɛ bi a wɔde di dwuma. Nea ebetumi aka eyi ho ne sɛ wɔbɛma pɔmpɛ bi ayɛ adwuma, wɔbɛto valve bi mu, anaasɛ wɔbɛbɔ alarm bere a ade no adu nea ɛba fam koraa anaa nea ɛsen biara ho no.
Nea ɛnte sɛ mfiri a wɔde susuw nneɛma a ɛkɔ so no, level switch hu level pɔtee bi anaa 'set point,' nkutoo na ɛma ɛyɛ papa ma dwumadie a susudua a ɛyɛ pɛpɛɛpɛ no ho nhia pii nanso ahobanbɔ anaa adwumayɛ sohwɛ ho hia.
1.2 Sεdeε Level Switches Yɛ Adwuma
Level switches betumi de nnyinasosɛm ahorow adi dwuma a egyina dwumadie no so:
Float Level Switches : Fa floating element a ɛkɔ soro anaa ɛhwe ase ne nsu level no di dwuma, na ɛde mfiri kanyan switch bere a wɔadu set point bi ho no.
Capacitive Level Switches : Hu nsakrae a ɛba capacitance mu esiane nsu anaa ade a ɛyɛ den a ɛwɔ hɔ nti.
Optical Level Switches : Fa hann refraction anaa reflection di dwuma de hu sɛ nsu wɔ hɔ.
Vibrating Level Switches : Hwehwɛ nneɛma a ɛyɛ den anaa nsu a ɛyɛ den a egyina nsakrae a ɛba wɔ wosow mpɛn dodow mu so.
Ade titiriw a ɛwɔ level switches nyinaa mu ne sɛ ɛma discrete output, mpɛn pii no ɛyɛ ON/OFF sɛnkyerɛnne a ɛnyɛ den, a ɛkyerɛ sɛ ebia nsu anaa ade a ɛyɛ den no adu level a wɔahyɛ ato hɔ.
2. Nteaseɛ a ɛfa Level Transmitter ho
Bere a level switch hu mmeae pɔtee bi no, level transmitter ma wotumi susuw nsu anaa ade a ɛyɛ den dodow a ɛwɔ ade bi mu bere nyinaa. Level transmitters ho hia ma applications a ɛhwehwɛ sɛ wɔhwɛ so pɛpɛɛpɛ, wɔkyerɛw data logging, anaasɛ wɔde ka automated control systems ho.
2.1 Nkyerɛaseɛ ne Botaeɛ
Wɔayɛ level transmitter sɛ ɛbɛsusu level no daa na ɛde analog anaa digital signal afiri adi, na ama adwumayɛfoɔ ne nhyehyɛeɛ atumi ahwɛ level no pɛpɛɛpɛ berɛ biara. Wei ma level transmitters ho hia ma process control, inventory management, ne automated system integration.
2.2 Sεdeε Level Transmitters Yɛ Adwuma
Level transmitters betumi de nnyinasosɛm ahorow pii adi dwuma a egyina susuw ahwehwɛde ahorow so:
Radar Level Transmitters : Fa microwave radar nsɛnkyerɛnne di dwuma de kyerɛ nsu dodow a egyina bere a wimhyɛn no tu so.
Ultrasonic Level Transmitters : Fa ultrasonic asorɔkye di dwuma de susuw kwan a ɛda sensor no ntam ne nsu no ani.
Pressure-Based Transmitters : Sua hydrostatic pressure a ɛwɔ tank bi ase de bu nsu dodow ho akontaa.
Capacitive ne Guided Wave Radar : Hu levels a egyina nsakrae a ɛba capacitance anaa guided radar signals mu.
Nea ɛnte sɛ level switches no, level transmitters ma wonya output a ɛkɔ so, mpɛn pii no sɛ 4-20 mA analog signal anaa digital nkitahodi te sɛ HART, Profibus, anaa Modbus, a wobetumi de adi dwuma wɔ automated control systems, data monitoring, ne process analysis mu.
3. Nsonsonoe titiriw a ɛda Level Switch ne Level Transmitter ntam
Ɛwom sɛ wɔde level switch ne level transmitters nyinaa di dwuma de hwɛ nsu anaa ade a ɛyɛ den dodow de, nanso ɛsono atirimpɔw ahorow na ɛyɛ adwuma wɔ akwan horow so titiriw. Nsonsonoe ahorow yi ntease ho hia na ama wɔapaw mfiri a ɛfata ama dwumadie pɔtee bi, ahwɛ ahu sɛ adwumayɛ mu ahobanbɔ, ɛyɛ adwuma yie, na wotumi de ho to so.
3.1 Nsɛnkyerɛnneɛ a ɛfiri mu ba
Su |
Level Switch a Wɔde Sesa |
Level Nkrasɛm a Wɔde Kɔma |
Nsɛnkyerɛnneɛ Type |
Nneɛma a ɛda nsow (ON/OFF) . |
Nea ɛkɔ so (Analog/Digital) . |
Adeyɛ a Wɔde Di Dwuma |
Ɔkanyan alarm, pɔmpɛ, valve ahorow |
Ɛde susuw ho nsɛm a ɛyɛ pɛpɛɛpɛ ma |
PLC a wɔde bɛka abom |
Limited |
Ɛnyɛ den sɛ wɔde bɛka nhyehyɛe ahorow a wɔde di dwuma ho |
Level switches ma wonya sɛnkyerɛnne a ɛda nsow, a ɛkyerɛ sɛ ɛkyerɛ ara kwa sɛ ebia nsu anaa ade a ɛyɛ den adu baabi pɔtee bi. Saa ON/OFF sɛnkyerɛnne yi dɔɔso sɛ ɛbɛkanyan pɔmpɛ, valve, anaa alarm, na ɛma ɛyɛ nea eye ma ahobammɔ dwumadie ne automation a ɛnyɛ den.
Level transmitters, nea ɛne no bɔ abira no, de signal output a ɛkɔ so ma, analog (sɛ nhwɛso no, 4–20 mA) anaa digital (sɛ nhwɛso no, HART, Modbus), a ɛma pɛpɛɛpɛ, bere ankasa mu susuw nsu anaa solid level. Wobetumi de saa data a ɛkɔ so yi adi dwuma de ayɛ nhyehyɛe sohwɛ a ɛkɔ akyiri, nneɛma a wɔakora so a wɔhwɛ so, anaasɛ wɔde bɛka nhyehyɛe ahorow a wɔde wɔn ankasa ayɛ ho ayɛ nhwehwɛmu a ɛkɔ akyiri.
3.2 Nsusuiɛ ahodoɔ
Wɔayɛ level switches sɛ wɔmfa nhu point-level detection, a ɛkyerɛ sɛ wɔhwɛ sɛ ebia wɔadu threshold pɔtee bi ho nkutoo—nea ɛba fam, nea ɛsen biara, anaa mfinimfini beae pɔtee bi. Wɔmfa nsɛm a ɛfa level ahorow a ɛda saa nsɛntitiriw a wɔde asi hɔ yi ntam ho mma.
Nanso, level transmitters de, ɛma wosusuw level a ɛkɔ so daa, na ɛma wɔn a wɔyɛ adwuma anaa mfiri a wɔde yɛ adwuma no nya nsu anaa ade a ɛyɛ den no ho mfonini a edi mũ bere biara. Eyi ma kwan ma wotumi di nhyehyɛe no ho dwuma pɛpɛɛpɛ na wosi gyinae a egyina bere ankasa mu nsɛm a ɛyɛ nokware so.
3.3 Nneɛma a wɔde di dwuma
Wɔtaa de level switches di dwuma kɛse de yɛ ahobammɔ ne ahobammɔ, a nea ɛka ho ne sɛ wobesiw nsu a ɛboro so ano, ahobammɔ a wɔde bɔ mmirika a ɛyɛ dry, anaa kɔkɔbɔ a ɛba fam. Wɔde di dwuma nso wɔ automation tebea horow a ɛnyɛ den a ON/OFF control nkutoo na ɛho hia mu.
Wɔde level transmitters di dwuma wɔ dwumadie a ɛyɛ den mu, te sɛ process control, inventory management, ne systems a ɛhia sɛ wɔhwɛ so daa. Ɛho hia bere a ɛho hia sɛ wɔyɛ pɛpɛɛpɛ, wɔkyere data, ne nhyehyɛe a wɔde ka bom na ama wɔakɔ so ayɛ adwuma yiye na wotumi de ho ato so no.
3.4 Nneɛma a ɛyɛ den ne ɛka a wɔbɔ
Mpɛn pii no, level transmitters yɛ nea ɛyɛ den na ne bo yɛ den esiane sɛnea wotumi susuw nneɛma daa, dijitaal nkitahodi a ɛkɔ anim, ne pɛpɛɛpɛyɛ a ɛkorɔn nti. Nea ɛne eyi bɔ abira no, level switches yɛ mmerɛw, ɛnyɛ den sɛ wɔde besisi hɔ na wɔahwɛ so, na ɛho ka sua, na ɛma ɛyɛ nea eye ma application ahorow a ɛho hia sɛ wɔhwɛ so titiriw anaa ahobammɔ ho ahobammɔ nkutoo.
4. Bere a Ɛsɛ sɛ wode Level Switch Di Dwuma vs. Level Transmitter
Sɛ wopaw level switch ne level transmitter a, egyina application no ahwehwɛde pɔtee so.
4.1 Ahobanbɔ ne Ahobanbɔ
Wɔ applications a botae titiriw ne sɛ wobesiw overflow, dry running, anaa system damage ano no, level switch yɛ papa. Ne ON/OFF sɛnkyerɛnne a ɛda nsow no dɔɔso sɛ ɛbɛma pɔmpɛ, valve, anaa alarm ahorow ayɛ adwuma.
4.2 Nneɛma a wɔyɛ no sohwɛ ne nea wɔhwɛ so
Sɛ ɛho hia sɛ wɔsusuw nsu pɛpɛɛpɛ, wɔhwɛ so daa, na wɔde nhyehyɛe ahorow a wɔde yɛ adwuma bom a, level transmitter ne nea wɔpɛ. Ɛma adwumayɛfoɔ tumi di dodoɔ pɔtee akyi, yɛ nsakraeɛ wɔ dwumadie mu, na wɔboaboa nsɛm ano de yɛ nhwehwɛmu.
4.3 Akwankyerɛ a ɛfa Paw ho
Nneɛma atitiriw a ɛsɛ sɛ wususuw ho bi ne:
Nsuo Su : Ɛma nsuo fa mu, ɛyɛ nwura, ɛyɛ nwene, anaasɛ ɛyɛ nsunsuansoɔ.
Tank Height : Ebia tank atenten behia transmitter ahorow pɔtee bi na ama ayɛ pɛpɛɛpɛ.
Nsusuiɛ a Ɛyɛ Pɛpɛɛpɛ : Nsɛntitiriw a wɔhunu ne susudua a ɛkɔ so.
Integration Requirements : Ɛho hia sɛ wɔyɛ automated control ne data logging.
5. Mfaso a ɛwɔ Level Switches so
Level switches ma wonya mfaso pii, titiriw wɔ sɛnea ɛyɛ mmerɛw, ahotoso, ne ɛka a wɔbɔ no yiye ho.
5.1 Ahobanbɔ ne Ahotosoɔ
Level switches ma wotumi hu point-level detection a wotumi de ho to so, na ɛhwɛ hu sɛ pumps ne valves yɛ adwuma wɔ anohyeto a ahobammɔ wom mu, na esiw nnwinnade a ɛsɛe ne nhyehyɛe no huammɔdi ano.
5.2 Ɛnyɛ den sɛ wɔde besisi hɔ na wɔasiesie
Mpɛn pii no, saa mfiri yi yɛ ketewaa bi, enhia sɛ wɔde nhama kakraa bi na ɛyɛ adwuma, na ɛnyɛ den sɛ wɔde bɛhyɛ mu. Nsiesie yɛ tẽẽ, na ɛma ɛfata ma mmeae a wontumi mfa wɔn adwene nsi so mpɛn pii.
5.3 Ka a wɔbɔ no yiye
Level switches bo nyɛ den sen mfiri a wɔde susuw nneɛma a ɛkɔ so daa, na ɛde ano aduru a mfaso wɔ so ma wɔ mfitiase ahiade ahorow a ɛfa nhwehwɛmu ne ahobammɔ ho a ɛmma ahobammɔ nsɛe.
6. Mfaso a ɛwɔ Level Transmitters so
Level transmitters ma wɔyɛ pɛpɛɛpɛ, kɔ so hwɛ nneɛma so, na ɛne nnɛyi control systems di nkitaho, na ɛma ɛho nhia wɔ dwumadie a ɛkɔ anim mu.
6.1 Nsusuiɛ a ɛkɔ so daa
Wɔde bere ankasa mu nsu anaa ade a ɛyɛ den data ma, na ɛma adwumayɛfo tumi hwɛ nneɛma a ɛrekɔ so, hu nneɛma a ɛnteɛ, na wɔyɛ wɔn ade ntɛmntɛm wɔ nsakrae ho.
6.2 Automation ne Integration a wde bhy mu
Wobetumi de level transmitters abɔ PLCs, SCADA systems, anaa akyirikyiri monitoring solutions ho, na ama wɔatumi ayɛ automated control koraa ne process management a ɛyɛ nwonwa.
6.3 Pɛpɛɛpɛ a ɛkorɔn ne Nsakraeɛ
Level transmitters de susudua a ɛyɛ pɛpɛɛpɛ ma wɔ tebea horow mu na wobetumi ayɛ nsakrae ama nsu ahorow, tank akɛse, anaa nneɛma a atwa yɛn ho ahyia tebea horow, na ama wɔanya ano aduru a wotumi de di dwuma wɔ mmeae ahorow a ɛyɛ den.
7. Nsɛm a wɔde wie
Sɛ yɛbɛbɔ no mua a, level switch yɛ papa ma point-level detection, ɛma ON/OFF signals a ɛnyɛ den ma ahobammɔ ne nnwinnade ahobammɔ, bere a level transmitter de susuw a ɛkɔ so de analog anaa digital output ma, na ɛma wotumi hwɛ so pɛpɛɛpɛ, nhyehyɛe sohwɛ, ne integration ne automated systems. Mfiri a ɛfata a wobɛpaw no gyina wo application pɔtee, pɛpɛɛpɛyɛ a wɔhwehwɛ, ne nhyehyɛe no ahiade so.
Sɛ wopɛ ahobammɔ ho nhyehyɛe a wotumi de ho to so a, level switches ma wonya ano aduru a etu mpɔn na ɛho ka sua. Sɛnea ɛbɛyɛ a wɔbɛkɔ so ahwɛ ne nhyehyɛe a ɛkɔ akyiri sohwɛ no, level transmitters de pɛpɛɛpɛyɛ a ɛkorɔn ne nkabom a ɛnyɛ den ma. Wɔ mfiridwumayɛfo, adwumayɛfo, ne nhyehyɛe ho adwumfo a wɔhwehwɛ animdefo akwankyerɛ fam no, nneɛma a ɛkorɔn, anaa ano aduru a wɔayɛ ama no, Bluefin Sensor Mfiridwuma Ahorow a Wɔahyehyɛ de mfiri ahorow pii a wotumi de ho to so a wɔde hu nsu dodow ma. Wɔn kuw no betumi aboa ma wɔahu level switch anaa transmitter a ɛfata sen biara ma wo adwumayɛ ahwehwɛde ahorow, ahwɛ ahu sɛ ɛyɛ adwuma yiye, ahobammɔ, na ɛyɛ adwuma yiye wɔ mfiridwuma, kar, ne ofie dwumadie nyinaa mu.
8. Nsɛm a Wɔtaa bisa
So level switch betumi asi level transmitter ananmu?
Dabi Level switches yɛ papa ma point-level detection a ɛnyɛ den nanso entumi mma level data a ɛkɔ so.
So level transmitters ma ahobammɔ dwumadi ahorow?
Wobetumi, nanso wɔn atirimpɔw titiriw ne sɛ wɔbɛkɔ so ahwɛ wɔn so; ebia ɛho behia sɛ wɔbɔ alarm foforo.
Emu nea ɛwɔ he na ɛho ka sua kɛse?
Mpɛn pii no, level switches bo nyɛ den na ɛnyɛ den sɛ wɔbɛhwɛ so, na ɛfata ma mfitiase nnwuma.
So wobetumi de mfiri abien no nyinaa abom adi dwuma?
Aane. Wɔ nhyehyɛe ahorow a ɛyɛ den mu no, level switch betumi ama ahobammɔ ahobammɔ, bere a level transmitter ma wɔhwɛ so pɛpɛɛpɛ.
Ɔkwan bɛn so na wobɛpaw level switch ne level transmitter?
Susuw nsu su, pɛpɛɛpɛyɛ ahwehwɛde, baabi a wɔde besisi, ne sɛ ebia ɛho hia sɛ wohu nsɛntitiriw anaasɛ wɔkɔ so susuw.
