Bere a edi kan a mihyiaa abɔnten LED display adwuma bi no, misusuwii sɛ metumi agye m’ahome bere tenten a mepaw ade a ɛfata na mahu kuw a ɛfata a wɔde besisi hɔ no. Ɛyɛ bere a mihuu adanse sɛ dɔla ɔpepem-dɔla bi a wɔde kyerɛe no dii nkogu esiane sɛ na ɛyɛ tiaa wɔ osutɔ bere mu esiane nsu a wɔde siw ano yiye nti na mihui sɛ afiri yi a ɛwɔ saa afuw yi mu no sõ koraa sen sɛnea na misusuw.
Sait a wɔpaw no ho hia sen screen a wɔpaw: "pre-conditions" a wɔabu ani agu so no.
Ade titiriw a ɛhaw afɛfo pii wɔ nkitahodi a edi kan no mu ne "Ehe na emu da hɔ, P2.5 anaa P3?" Nanso, sɛ́ adwumayɛfoɔ no, ɛsɛ sɛ yɛdi yei ho dwuma ntɛm ara: 70% a ɛdi nkonim anaa huammɔdi a ɛwɔ abɔnten LED display mu no gyina nneɛma a atwa yɛn ho ahyia nhwehwɛmu a wɔyɛ wɔ beaeɛ a wɔde besisi hɔ no so. Afe a etwaam no, bere a na mereyɛ adwini bi ama aguadidan bi no, nea ɔregye no sii so dua sɛ ɔde screen a ne sorokɔ yɛ mita 8-{7}}si ɔdan kɛse no nkyɛn. Nhwehwɛmu bi a wɔyɛe wɔ-beae no daa no adi sɛ sɛ wɔkyekyem pɛpɛɛpɛ a, na mpɔtam hɔ mframa ahoɔhare yɛ 7 afe biara na ɛbɛn keteke a ɛnam fam mframa a ɛkɔ mu. Awiei koraa no, yɛdaadaa client no ma ɔtew screen no kɛse so 30% na ɔmma mframa a ɛko tia dade nhyehyɛe no nkɔ soro. Akyiri yi, screen a ne kɛse te saa ara wɔ aguadidan bi a ɛbɛn hɔ mu no huu frame no mu nsakrae wɔ ahum bere mu, na yɛn adwini no bɛyɛɛ asɛm a wɔde gyina hɔ ma. Fa w’adwene si nneɛma atitiriw abiɛsa so: Nea edi kan no, fapem adesoa-soa tumi. Ɛsɛ sɛ kɔnkrit afasu no soa nea ennu 800kg wɔ mita ahinanan biara mu (a dade dan no mu duru ka ho). Ɛsɛ sɛ wɔkwati bere tiaa mu adan anaa mpaapaemu a emu yɛ hare. Nea ɛto so abien no, ɛsɛ sɛ wɔkwati kanea a ɛwɔ afã horow. Kwati sɛ wobɛda wo ho adi wɔ mfɛnsere a ɛhwɛ atɔe fam- anaa asase so kanea a wɔde hyɛ mu. (Adwuma biako nyaa nsonsonoe a ɛwɔ screen so no so tew 60% esiane kanea a wɔde hwɛ nneɛma so tẽẽ anadwo fi aguadidan bi a ɛwɔ abɔnten no atifi nti.) Awiei koraa no, wim tebea su. Wɔ mpoano mmeae no, ɛsɛ sɛ wosusuw nkyene a wɔde petepete so no nsɛe ho (wɔkamfo dade a wɔde galvanized ayɛ a nano-coating wom kyerɛ). Wɔ atifi fam nkurow mu no, awɔw bere mu hyew betumi ayɛ ketewaa, enti si so dua sɛ ebia cabinet heating module no yɛ nea wɔahyɛ da ayɛ anaa.
Installation ho nsɛm a ɛfa ho
Nnwumayɛ mmara a wɔanka bere a wɔde bracket rehyɛ mu ne sɛ ɛsɛ sɛ wɔde "double-safe" kwan so hyɛ screws nyinaa mu den. Wɔ nnwuma a ɛyɛ mpapahwekwa mu no, 10.9-grade high-ahoɔden bolts dɔɔso. Nanso, wɔ mpoano ahum mmeae anaa mframa tebea a ɛkɔ soro wɔ asasetaw no so no, yɛde anti-loosening washers ka bracket joints atitiriw no ho na yɛde torque wrench kyekyere mu ma ɛyɛ 120% wɔ gyinapɛn bo no mu (sɛ nhwɛso no, gyinapɛn no hwehwɛ 50 N·m, nanso torque ankasa yɛ 60 N·m). Afe a etwaam no, adwuma bi a wɔyɛe wɔ Hebei Mantam mu no antumi amfa akwan horow a wɔfa so ko tia nneɛma a wɔma ɛyɛ mmerɛw anni dwuma. Bere a mframa a ano yɛ den bɔe akyi no, M16 bolt anum no nyinaa yii wɔn ho. Bere a na wɔresiesie nneɛma a egye ntɛmpɛ no, wohui sɛ fapem no afã horow a wɔde ahyɛ mu no mpo asesa.
Wɔtaa de nhama a wɔde to hɔ no ma afoforo sɛ "electrician adwuma," nanso nokwarem no, ɛde nsɛnnennen a ahintaw sie. Ɛsɛ sɛ anyɛ yiye koraa no, ɛtetew anyinam ahoɔden nhama ne nsɛnkyerɛnne nhama ntam sɛntimita 30 (sɛ ɛbɛyɛ yiye a, wɔde dade nsukorabea). Wɔ nhwehwɛmu bi mu no, wohui sɛ ɔdansifo no boaboaa abien no ano kɛkɛ, na ɛmaa screen no kyinkyim daa. High-frequency interference betumi ama control card no akenkan data no yiye. Bio nso, ɛho hia sɛ wodi "screen biako, asase biako" nnyinasosɛm no so, a asase a ɛko tia no nnu ohms 4. (Adansi mmeae pii mfa wɔn ho nhyɛ ɔdan no ɔmanfo asase a ebetumi ayɛ ɔtopae a ɛbɔ bere a aprannaa rebɔ no ho.)
"Visual Tricks" Wɔ Commissioning Fase no mu
Sɛ wodi kan sɔ screen bi a, adetɔfo 90% de wɔn adwene si mfinimfini beae no so hwɛ sɛ kɔla no yɛ pɛ anaa. Nanso, wɔn a wɔn ho akokwaw a wɔde di dwuma no nim sɛ mmeae a awuwu wɔ mfinimfini a ɛwɔ ntwea anan no so no ne litmus sɔhwɛ ankasa. Sɛ wode adwumayɛfoɔ sɔhwɛ nhyehyɛeɛ redi dwuma a, fa w’adwene si nsonsonoeɛ a ɛwɔ kɔla titire mmiɛnsa, kɔkɔɔ, ahabammono, ne bruu, adwumayɛ mu wɔ hann a ɛba fam (a ɛba fam 10%) ne hann a ɛkɔ soro (boro 80%) no adwumayɛ mu. Bere bi yɛhunuu sɛ module ahodoɔ bi wɔ purple tint wɔ blue no so wɔ 10% brightness. Wɔhwehwɛɛ eyi akyi kɔɔ draiver IC batch asɛm-ɔhaw a wontumi nhu koraa wɔ gyinapɛn a ɛyɛ fitaa a ɛyɛ pɛpɛɛpɛ-fitaa sɔhwɛ mu.
Grayscale sɔhwɛ hwehwɛ sɛ "brute force verification": kyekyɛ screen no mu yɛ no akron-square grid, kyerɛ grayscale levels anum: 10%, 30%, 50%, 70%, ne 90%. Paw piksel 10 wɔ beae biara a wɔanhyɛ da na fa kɔla nsonsonoe no toto ho (ΔE > 3 yɛ nea wobu no sɛ ɛyɛ huammɔdi). Asɛm a ɛyɛ anifere kɛse ne refresh rate afiri no. Ɛkame ayɛ sɛ onipa aniwa ntumi nhu nsonsonoe a ɛda 60Hz ne 1920Hz ntam wɔ mfonini ahorow a ɛyɛ static mu, nanso video a ɛkɔ brɛoo-a wɔde telefon a wokura kyin di dwuma no da nsonsonoe no adi (refresh rates a ɛba fam no ma scan nhama a ɛda adi, a ɛyɛ owuyare ma aguadi screen ahorow a wɔhwɛ no bɛn no).
"Survival Rules" Wɔ Adwumayɛ ne Nsiesie Fase no mu
Yɛ ahotew nhyehyɛe te sɛ nea wobɛyɛ adwinnade a ɛyɛ pɛpɛɛpɛ: Nsã anaa nsu a ɛyɛ nhyɛso kɛse-nhyɛso biara nni hɔ koraa! Sika kɔkɔɔ mmara a yɛahu ne sɛ yɛde vacuum bɛbɔ soro ɔsram biara ama mfutuma a ayɛ mmerɛw, de LED screen cleaner a wɔatu ho ama (pH 6.5-7.5) ne microfiber ntama apopa no asram abiɛsa biara, na yɛde eraser ayɛ spot-ayɛ nkekae a ɛyɛ den no ho adwuma. Bere bi adetɔfo bi de tuo a wɔde hohoro kar a nhyɛso kɛse wom dii dwuma wɔ wɔn ankasa so, na ɛmaa rɔba nsɔano a nsu ntumi nkɔ mu no sɛee na nsu kɔɔ mu.
Ɛsɛ sɛ mfomso kɔkɔbɔ nhyehyɛe bi de "mmuae a ɛyɛ abiɛsa-level" ka ho: Ɔfa 1 no fa control card no a ɛde ɔhyew ne ahoɔden ho kyerɛwtohɔ ahorow mena da biara da (sɛ ɛboro digrii 45 a, hwɛ ɔhyew a ɛrekɔ so ntɛm ara); Ɔfa 2 no fa nsaano nhwehwɛmu a wɔyɛ dapɛn biara wɔ module no anoano ho sɛ ebia nsɛnkyerɛnne a ɛkyerɛ sɛ ayɛ tuntum (sɛnkyerɛnne a ɛkyerɛ sɛ wɔahyew-mu ntɛm); ne Level 3 no fa spectrometer sɔhwɛ a wɔyɛ ɔsram biara de hwɛ sɛnea kɔla ahorow no sesa. Kae saa mmara a wɔde dadeɛ ayɛ yi: sɛ module baako wɔ mmeaeɛ a awuo mmiɛnsa anaa nea ɛboro saa a ɛtoatoa soɔ a, ɛsɛ sɛ wɔsesa module no nyinaa sene sɛ wɔbɛsiesie nsensaneeɛ mmiako mmiako-anyɛ saa a, nsɛnkyerɛnneɛ a ɛda adi pefee a ɛkyerɛ sɛ wɔasiesie no bɛtena hɔ.
Nkate a ɛne sɛ woatumi ayɛ yiye sɛ wubegyina abansoro a ɛto so 26 no so, na woahwɛ LED screen kɛse a woboa ma wode kanea hyehyɛe a ɛhyerɛn kurow no nyinaa mu no yɛ nea wontumi ntoto ho. Nanso nokware a ɛwɔ saa adwuma yi mu ne sɛ: nneɛma a edi mũ biara nni hɔ, na mmom mfiridwuma mu ano aduru a wɔsan yɛ bere nyinaa nkutoo. Bere biara a mehyia ɔhaw foforo (te sɛ nnansa yi Mini LED abɔnten so ɔhyew a wɔsɛe no ho haw no), misusuw nea me wura kae no ho: "Ɛnyɛ sɛ wɔde abɔnten so screens hyehyɛ na afei wɔawie kɛkɛ, ɛsɛ sɛ ɛka ho wɔ ahohuru bere, ahohuru bere, osutɔbere ne awɔw bere mu sɔhwɛ ahorow mu." Mewɔ anidaso sɛ saa osuahu ahorow a ɛfa nipadua mu hyew ho yi betumi aboa wo ma woakwati akwan a yɛfaa so wɔ bere a atwam no.