Taa, ka m kọwaa nkọwa zuru ezu nhazi nke eriri Ethernet mmiri. N'ikwu ya n'ụzọ dị mfe, eriri Ethernet ọkọlọtọ nwere onye nduzi, mkpuchi mkpuchi, oyi akwa mkpuchi, na n'ọbọ dị n'elu, ebe eriri agha na-agbakwunye n'ime n'ime na akwa mkpuchi n'etiti mkpuchi na n'ọbọ mpụta. N'ụzọ doro anya, eriri ndị nwere ihe agha na-enye ọ bụghị nanị nchebe n'ibu kamakwa ọ na-enyekwu ihe nchebe n'ime. Ugbu a, ka anyị nyochaa akụkụ nke ọ bụla n'ụzọ zuru ezu.
1. Onye Nduzi: Isi nke nnyefe mgbaàmà
Ndị na-eduzi eriri Ethernet na-abịa n'ihe dị iche iche gụnyere ọla kọpa tinned, ọla kọpa na-adịghị akwụ ụgwọ, waya aluminom, aluminum nwere ọla kọpa, na nchara ọla kọpa. Dabere na IEC 61156-5: 2020, eriri Ethernet mmiri kwesịrị iji ndị na-eduzi ọla kọpa siri ike nke nwere dayameta n'etiti 0.4mm na 0.65mm. Ka ihe ndị a na-achọ maka ọsọ ọsọ na nkwụsi ike dị elu na-abawanye, a na-ewepụ ndị nduzi dị ala dị ka aluminom na aluminom ọla kọpa, na-eji ọla kọpa tinned na ọla kọpa efu na-achịkwa ahịa ugbu a.
E jiri ya tụnyere ọla kọpa na-adịghị ahụkebe, ọla kọpa tinned na-enye nkwụsi ike nke kemịkal dị elu, na-eguzogide oxidation, corrosion kemịkalụ, na iru mmiri iji kwado ntụkwasị obi sekit.
Ndị na-eduzi na-abịa n'ụdị abụọ: siri ike na eriri. Ndị nduzi siri ike na-eji otu waya ọla kọpa, ebe ndị na-eduzi eriri nwere ọtụtụ waya ọla kọpa dị mkpa gbakọrọ ọnụ. Isi ihe dị iche na-adabere na arụmọrụ nnyefe - ebe ọ bụ na mpaghara ndị dị n'ofe gafere na-ebelata nkwụsị ntinye, ndị na-eduzi eriri na-egosipụta 20%-50% elu attenuation karịa ndị siri ike. Ọdịiche dị n'etiti eriri na-abawanye nguzogide DC.
Ọtụtụ eriri Ethernet na-eji 23AWG (0.57mm) ma ọ bụ 24AWG (0.51mm) ndị nduzi. Ọ bụ ezie na CAT5E na-ejikarị 24AWG, ụdị dị elu dị ka CAT6/6A/7/7A na-achọkarị 23AWG maka ịrụ ọrụ ka mma. Agbanyeghị, ụkpụrụ IEC anaghị enye iwu ka ọ gauges waya kpọmkwem - eriri 24AWG arụpụtara nke ọma ka nwere ike izute nkọwa CAT6+.
2. Ihe mkpuchi mkpuchi: Ikwado iguzosi ike n'ezi ihe
Okpokoro mkpuchi na-egbochi mgbapụta mgbaàmà n'oge nnyefe. N'ịgbaso ụkpụrụ IEC 60092-360 na GB/T 50311-2016, eriri mmiri na-ejikarị eme ihe.polyethylene dị elu (HDPE)ma ọ bụ ụfụfụPolyethylene (PE Foam). HDPE na-enye ezigbo nguzogide okpomọkụ, ike arụ ọrụ, yana nguzogide nrụgide gburugburu ebe obibi, na-eme ka ọ bụrụ ebe niile. Foamed PE na-enye akụrụngwa dielectric ka mma, na-eme ka ọ dị mma maka eriri CAT6A + dị elu.
3. Onye na-ekewapụ obe: Mbelata Crosstalk Signal
A haziri ihe nkesa obe (nke a makwaara dị ka cross filler) iji kewaa ụzọ anọ gbagọrọ agbagọ n'ime akụkụ anọ dị iche iche, na-ebelata mkparịta ụka n'etiti ụzọ abụọ. A na-ewukarị site na ihe HDPE nwere dayameta ọkọlọtọ nke 0.5mm, akụrụngwa a dị mkpa maka eriri 6 na ọkwa ọkwa dị elu nke na-ebufe data na 1Gbps ma ọ bụ ngwa ngwa, dịka eriri ndị a na-egosipụta mmetụta dị ukwuu maka mkpọtụ mkpọtụ ma chọọ nkwalite nnyonye anya. N'ihi nke a, eriri 6 na nke dị elu na-enweghị otu ụzọ mgbochi foil nke ọ bụla na-etinye ihe mkpuchi obe iji kewapụ ụzọ anọ gbagọrọ agbagọ.
N'ụzọ dị iche, eriri 5e nke otu na ndị na-eji atụmatụ foil nwere ụzọ abụọ na-ahapụ ihe mkpuchi obe. Nhazi nke eriri agbagwoju anya nke eriri Cat5e na-enye nchebe nnyonye anya zuru oke maka ihe ha chọrọ bandwidth dị oke, na-ewepụ mkpa maka nkewa ọzọ. N'otu aka ahụ, eriri nwere ụzọ abụọ nwere mkpuchi foil na-eji ike dị n'ime foil aluminom iji gbochie ndabichi eletrọnịkị ugboro ugboro, na-eme ka ihe mkpuchi obe ghara ịdị mkpa.
Onye na-arụ ọrụ ike na-arụ ọrụ dị oke mkpa n'igbochi ogologo eriri USB nke nwere ike imebi arụmọrụ. Ndị na-emepụta eriri USB na-eduzi ụlọ ọrụ na-ejikarị fiberglass ma ọ bụ eriri naịlọn dị ka ihe mgbakwasa ike n'ime eriri ha. Ihe ndị a na-enye nchebe igwe kachasị mma ka ị na-ejigide njirimara nnyefe nke eriri.
4. Ihe mkpuchi mkpuchi: Nchekwa eletriki
Ihe mkpuchi mkpuchi nwere foil aluminom na/ma ọ bụ ntupu akpara akpa iji gbochie EMI. Igwe ọkụ nwere otu mkpuchi na-eji otu oyi akwa aluminom (≥0.012mm gbara ọkpụrụkpụ nwere ≥20% overlap) gbakwunyere oyi akwa PET mylar iji gbochie ntapu ugbu a. Ụdị mkpuchi nwere okpukpu abụọ na-abịa n'ụdị abụọ: SF/UTP (nchịkọta foil + braid) na S/FTP (foil ụzọ otu onye + n'ozuzu braid). Ihe mkpuchi ọla kọpa nwere agba agba (≥0.5mm waya dayameta) na-enye mkpuchi ahaziri ahazi (nke na-abụkarị 45%, 65%, ma ọ bụ 80%). Kwa IEC 60092-350, eriri mmiri nwere otu mkpuchi chọrọ waya igbapu maka ala, ebe ụdị mkpuchi okpukpu abụọ na-eji braid maka mwepụta kwụ ọtọ.
5. Armor Layer: Mechanical Protection
Okwa agha ahụ na-eme ka nkwụsi ike na-akụpịa ma na-eme ka nchekwa EMI dịkwuo mma. Igwe mmiri mmiri na-ejikarị ngwa agha braided kwa ISO 7959-2, yana waya galvanized steel wire (GSWB) na-enye ike dị elu na nguzogide okpomọkụ maka ngwa ndị na-achọsi ike, ebe waya ọla kọpa tinned (TCWB) na-enye mgbanwe dị mma maka oghere siri ike.
6. Ọbọ Mpụ: Ọta gburugburu
Ọbọ nke dị n'elu ga-adị ire ụtọ, gbadoro anya, na nke a na-ewepụ ya na-emebighị akwa dị n'okpuru. Ụkpụrụ DNV chọrọ ọkpụrụkpụ (Dt) ka ọ bụrụ 0.04 × Df (dayameta ime) +0.5mm, yana 0.7mm kacha nta. A na-ejikarị eriri mmiri eme iheLSZH (obere anwụrụ ọkụ efu-halogen)ihe (SHF1/SHF2/SHF2 MUD akara ule kwa IEC 60092-360) na-ebelata uzuzu nsi n'oge ọkụ.
Mmechi
Igwe eriri Ethernet nke mmiri ọ bụla na-egosipụta injinia nke ọma. Na OW CABLE, anyị agba mbọ na ịkwalite teknụzụ USB - nweere onwe gị ka gị na anyị kparịta mkpa gị.
Oge nzipu: Mar-25-2025