Mmetụta nke Mbelata Ọnụego Mmebi na ọka anaghị adị n'otu na mmejọ mkpofu ọkụ na 6.35μm Aluminom foil maka VR/AR Micro Heat Sinks

1. Ndubata: Njirimara ngwa nke Aluminom Foil maka Micro Heat Sinks na ngwaọrụ VR/AR na mkpa nke njikwa ọnụego mbelata.

Aluminom foil maka obere ikpo ọkụ na ngwaọrụ VR/AR (isi 1235/8079 alloys, 6.35μm gbara ọkpụrụkpụ) na-eje ozi dị ka isi ihe mgbasa ọkụ na isi VR/AR, ndị na-achịkwa, na ngwaọrụ ndị yiri ya. N'ihi ohere dị n'ime nke ngwaọrụ ndị dị otú ahụ nwere oke (E.G., oke oghere ikpo ọkụ ≤15cm³ na isi okwu VR), A ga-emerịrị obere obere ebe ikpo ọkụ (nha 3-15mm) na-enwe ike ikpo ọkụ otu iji zere ikpo ọkụ mpaghara - karịsịa ebe ọ bụ na ike okpomọkụ sitere na 5-15W., na-achọ ọdịiche okpomọkụ nke mpaghara ≤3℃.

N'oge usoro mpịakọta, ọnụego mbelata (ngụkọta mbelata ọnụego = [(mbụ ọkpụrụkpụ – ikpeazụ ọkpụrụkpụ)/mbụ ọkpụrụkpụ]×100%; Ọnụego mbelata otu ngafe = [(mbụ ọkpụrụkpụ nke ngafe – ikpeazụ ọkpụrụkpụ nke ngafe)/mbụ ọkpụrụkpụ nke ngafe]×100%) bụ isi oke na-achịkwa mgbanwe ọka. Dabere na 2024 VR/AR data ụlọ ọrụ, 42% nke ọdịda ikpo ọkụ ngwaọrụ sitere na “ekpo oke ọkụ na mpaghara nke obere okpomọkụ sinks,” nke enwere ike ịpụta na njikwa ọnụego mbelata na-ezighi ezi aluminom foil maka micro heat sinks na ngwaọrụ VR/AR: ① Ọnụego mbelata mkpokọta ezughi oke na-ebute oke ọka na-ekwekọghị ekwekọ, na-eduga na 7W /(M ·) ọdịiche dị na mpaghara thermal conductivity nke ikpo ọkụ; ② Mgbanwe dị ukwuu na ọnụ ọgụgụ mbelata otu ngafe na-emepụta a “ezi-ọka/obere-ọka” gradient, akpụ okpomọkụ dissipation nwụrụ anwụ zones (okpomọkụ iche >5℃); ③ Ọnụego mbelata ntụgharị na-ezighi ezi na-ebute oke oke ọkụ, ibelata ndụ ọrụ nke ibe ngwaọrụ VR/AR site 20%.

Iji dozie nsogbu ndị a, ọ dị mkpa na mbụ ịkọwapụta mmekọrịta dị n'etiti ọnụ ọgụgụ mbelata, nhazi ọka, na thermal conductivity — ịtọ ntọala ụkpụrụ maka ịgbagharị nke ọma nke ụdị foil aluminum a.

2. Mmekọrịta usoro iwu n'etiti ọnụego mbelata, Ọdịdị ọka, na Thermal Conductivity maka Aluminom Foil na VR / AR Micro Heat Sinks

(1) Usoro isi nke iwu ọka site na ọnụego mbelata: Na-eme ka ọ dị ntakịrị mkpa mkposa ọkụ

Ntugharị nke Aluminom foil maka micro heat sinks na ngwaọrụ VR/AR gụnyere “otutu ngafe ntụgharị oyi” (8-12 gafere, ibelata ọkpụrụkpụ si 2mm ruo 6.35μm, na mkpokọta mbelata ≈99.68%). Ọnụego mbelata na-emetụta recrystalization dị ike (DRX) site na “deformation echekwara ike,” nke n'aka nke na-ekpebi ọka kwesịrị ekwesị maka ikpo ọkụ:

1. Ike echekwara nrụrụ na recrystalization: Ike echekwara maka DRX nke foil aluminum a (1235 alloy) bụ 75J/m³. Ọnụego mbelata otu ngafe nke 20%-25% na-ewepụta ike echekwara nke 80-110J/m³, na-akpụ ọka equiaxed nke 5-7μm — dị mma maka ịgba mbọ hụ na ikuku ikuku na-emekọ ihe na obere ọkụ ọkụ.;

2. Ntuzi ọka na arụrụ ọkụ ọkụ: Ọnụego mbelata ezi uche dị na ya (22%-24% kwa ngafe) na-akwalite na {111} udidi na akaụntụ >60% (thermal conductivity 12% elu karịa random udidi). Na ntule ndịiche, ọnụ ọgụgụ mbelata na-adịghị mma (>30%) mụbaa {100} nha nha nha nha 18%, ibelata conductivity thermal site na 5% - emezughị ihe achọrọ nkenke ikpo ọkụ nke ngwaọrụ VR/AR..

(2) Nlereanya ọnụọgụ nke nhazi ọka na njikwa ọkụ: Na-ekwu maka nkọwapụta nke Micro Heat Sinks

N'ihi obere nha na njupụta okpomọkụ dị elu (10-20W/cm²) nke VR/AR micro heat sinks, a chọrọ ezi mmekọrịta ọka-ọkụ ọkụ. E sitere na teori nke thermal conduction metal, usoro bụ:

λ = λ₀ × [1 – k×(6/d)]

• ₀: Thermal conductivity nke otu-kristal aluminum (237W /(M ·) na 25 ℃);

• k: Ọnụọgụ agbasasịsa oke ọka (0.12 maka ụdị aluminom foil);

• d: Nha ọka (μm; Micro heat sinks chọrọ d = 5-7μm nwere ọkọlọtọ ọkọlọtọ ≤2μm).

Mgbe d na-abawanye site na 5μm ruo 15μm, λ na-ebili site na 225W /(M ·) ruo 232W/(M ·), ihe dị iche nke 7W /(M ·). Maka micro heat sinks, Ọdịiche a na-ebute ọdịiche okpomọkụ mpaghara karịa 4 ℃-karịa oke ≤3℃ maka ngwaọrụ VR/AR - na-ebute mpaghara anwụ anwụ..

3. Ihe ngosi atọ nke nhazi ọka na-ezighi ezi kpatara site na njikwa ọnụego mbelata na-ezighi ezi. (Kwadoro na mkpa mkposa ọkụ VR/AR)

Iji chọpụta mmetụta nke njikwa ọnụego mbelata na-ezighi ezi na otu ọka na mkpofu ọkụ, Okpokoro 1 na-achịkọta isi ihe dị na ọnọdụ ọdịda ọ bụla, na-ejikọta ntụpọ usoro ozugbo na nsogbu arụmọrụ ngwaọrụ:

Okpokoro 1: Nhazi ọka na oke ikposa ọkụ n'okpuru ọnọdụ mbelata ọnụego na-ezighi ezi.

(1) Ọnụego mbelata mkpokọta ezughi oke (<50% na Critical Passes): Recrystallization ezughị oke yana ikpo ọkụ dị n'ime mpaghara nke ikpo ọkụ

1. Njirimara usoro: Nke Aluminom foil maka micro heat sinks na ngwaọrụ VR/AR, ngụkọta mbelata ọnụego na 3 gafere tupu agwụchaa (ọkpụrụkpụ si 50μm→25μm→12μm) kwesịrị ịbụ ≥50%. Ọ bụrụ na ibelata 40% (50μm→30μm), ike echekwara na-agbada ruo 65J/m³—n'okpuru uru dị oke mkpa maka DRX;

2. Mmetụta na Ọdịdị ọka na Mwepu Ọkụ: Dị ka e gosiri na Tebụl 1, ọnọdụ a na-etolite nkesa ọka bimodal. Ọdịiche λ kwekọrọ na igwe ikpo ọkụ micro ruru 8W /(M ·), na-eduga na ọdịiche okpomọkụ dị 10 ℃ dị na ibe isi VR / AR ma na-eme ka etiti daa - na-emetụta ahụmịhe onye ọrụ ozugbo..

(2) Mgbanwe dị ukwuu na ọnụ ọgụgụ mbelata otu ngafe (Ngbanwe >8%): Mpaghara Nwụrụ Anwụ Ọkụ na Ọkụ Ọkụ

1. Njirimara usoro: Ọnụego mbelata otu ngafe na 2 gafere tupu atụgharị ikpeazụ (25μm→12μm→6.35μm) ga-eguzosi ike na 45%-50%. Mwegharị igwe na-eyi nwere ike ime ka ọ gbanwee 38%-48% (10% ndiiche);

2. Mmetụta na Ọdịdị ọka na Mwepu Ọkụ: O doro anya, mgbanwe a na-emepụta ọzọ “ibe oyi/ọkụ” n'akụkụ ụzọ ntụgharị. Dị ka Tebụl 1 na-egosi, Thermal conductivity iche iche ruru 8W /(M ·), na ọnọdụ okpomọkụ dị iche karịa 10 ℃ - tere aka karịa oke ngwaọrụ VR/AR - na-akpụ mpaghara anwụ anwụ na-enweghị ike ịgbanwe..

(3) Ọnụego mbelata ntụgharị na-ezighi ezi (Ngbanwe ihu-etiti >5%): Oke ekpo oke ọkụ na mbelata ntụkwasị obi ngwaọrụ

1. Njirimara usoro: Okpueze rola na-adịghị mma (0.02mm →0.04mm) na-akpata a 6% transverse mbelata ọnụego deviation (48% na etiti, 42% na nsọtụ);

2. Mmetụta na Ọdịdị ọka na Mwepu Ọkụ: N'ofe ọnọdụ dị n'elu, transverse unevenness bụ isi na-emetụta anwụ ngwa ngwa ngwaọrụ. Okpokoro 1 na-egosi na ihu okpomọkụ bụ 7 ℃ elu karịa etiti, accelerating sealing roba ịka nká na ịba ụba ọdịda ọnụego si 1.5% ruo 4.8% - onye ọkwọ ụgbọ ala na-akwụ ụgwọ maka ndị nrụpụta.

4. Nnwale nke ọdịda ngwaọrụ VR/AR ikpo ọkụ na-akpata site na nhazi ọka na-adịghị mma.

Na-ewu na nyocha nke ọnọdụ ahụ, A na-eduzi ma nyocha ụlọ nyocha na ụlọ ọrụ mmepụta ihe iji kwado mmetụta bara uru nke enweghị isi nke ọka. Okpokoro 2 na-ewepụta data nkwenye ụlọ nyocha zuru ezu, ebe ikpe ndị dị n'ụwa na-akwado nchoputa ahụ.

Okpokoro 2: Nsonaazụ nyocha ụlọ nyocha nke arụmọrụ Micro Heat Sink

(1) Nyocha ụlọ nyocha (Ihe ndakọrịta Micro Heat Sink Scenarios)

1. Nkwadebe ihe atụ: Họrọ Aluminom foil maka micro heat sinks na ngwaọrụ VR/AR na “na-agbanwe ọnụego mbelata otu ngafe” (mpaghara ezi ọka d=5μm, mpaghara mkpụrụ osisi d=14μm) ma mepụta 10mm × 5mm × 6.35μm micro heat sinks;

2. Inwa: Dị ka Tebụl 2 na-egosi, na-etinye ọkụ ọkụ nke 15W/cm² (simulating VR mgbawa okpomọkụ ọgbọ) kpughere 11 ℃ okpomọkụ dị iche - karịrị nnọọ ≤3℃ chọrọ. Ntụle ọkụ laser (NETZSCH LFA 467) kwadoro ọdịiche thermal conductivity nke 8W /(M ·);

3. Mmechi: Mpaghara ndị nwụrụ anwụ na-ekpofu ọkụ kpatara site na nhazi ọka na-enweghị isi na-akwanye okpomọkụ ngwaọrụ VR n'elu ọnụ ụzọ. (60℃), na-ebute nchedo mbelata ugboro ugboro.

(2) Ụlọ ọrụ mmepụta ihe: Nyocha ọdịda nke onye nrụpụta ngwaọrụ VR

N'ime 2023, onye nrụpụta ekweisi VR ejiri Aluminom foil maka micro heat sinks na ngwaọrụ VR/AR na “Ọnụ ọgụgụ mbelata transverse na-enweghị isi,” na-eduga na:

• Dị ka e gosiri na Tebụl 2, ihu okpomọkụ nke sink okpomọkụ ruru 58 ℃ (vs. 51℃ na etiti), na-eme ka mgbawa ugboro ugboro mbelata (ọnụ ọgụgụ etiti na-agbada site na 90Hz ruo 75Hz);

• Ọnụego mkpesa ndị ahịa na-ebili site na 2.3% ka 8.5%, na otu mgbe-ire ahịa na-eri karịrị 5 Nde Yuan;

• Mgbe dochie foil na kacha mbelata ọnụego (dị ka e gosiri n'ahịrị nke atọ nke Tebụl 2), ihe dị iche iche na-ekpochapụ okpomọkụ gbadara ruo 2.5 ℃, na ọnụ ọgụgụ mkpesa dara azụ 1.2%.

5. Atụmatụ njikwa ọnụ ahịa mbelata nkenke maka Aluminom foil na VR/AR Micro Heat Sinks

Dabere na nsonaazụ nyocha, ewepụtara atụmatụ njikwa ezubere iche iji lebara ọnọdụ ọdịda ọ bụla anya. Isi ihe dabere na nhazi ọnụego mbelata ahazi, njikwa otu ngafe kwụsiri ike, na nkesa transverse otu — nwere ihe ndị dị mkpa akọwapụtara na tebụl 3.

Okpokoro 3: Atụmatụ Mbelata Mbelata akwadoro maka 6.35μm 1235 Aluminom foil (Ọkpụrụkpụ mbụ 2mm)

(1) Ngụkọta Mbelata Mbelata Nhazi: Ịkwado na chọrọ ọka chọrọ maka Micro Okpomọkụ dissipation

Dị ka Tebụl 3 na-egosi, ogbo ngwucha agwụ (gafere 7-8) dị oke egwu - na-edobe ọnụ ọgụgụ mbelata mkpokọta ≥50% na-eme ka nrụrụ ike echekwara ruru 90-110J / m³. Nke a na-akpalite DRX zuru oke, na-ebute nha ọka nke 5-7μm nwere ụkpụrụ ọkọlọtọ ≤2μm-n'ụzọ dabara adaba na mkpa thermal conductivity mkpa nke VR / AR micro heat sinks..

(2) Ejikwa ọnụ ahịa mbelata otu ngafe kwụsiri ike: Na-egbochi VR/AR Okpomọkụ Mpaghara Nwụrụ Anwụ

1. nlekota oru Roller: Jiri profilometer laser maka nchọpụta uwe ozugbo (izi ezi 0.001mm). Dochie rollers na-akpaghị aka mgbe uwe karịrị 0.02mm, ibelata mgbanwe site na ± 8% ruo ± 3% - isi nzọụkwụ iji zere nke ahụ “ezi-ọka/obere-ọka” gradient na tebụl 1;

2. Nchikota obi erughị ala: Jikwaa nkwụsi ike na-agbagharị agbagharị na 15-18kN (mgbanwe ≤±1kN). Kwụọ ụgwọ maka ndịiche site n'ịgbanwe ọsọ ntụgharị (100-120m / m), na-amachi mgbanwe otu ngafe ka ọ bụrụ ≤5%;

3. Nzaghachi n'ịntanetị: Jiri ihe nledo ọkpụrụkpụ X-ray (izi ezi 0.1μm) ịnakọta data kwa 10ms. Gbanwee nrụgide nke cylinder mbelata (izi ezi 0.01MPa) mgbe nha nha gafere 0.3μm-n'ịhụ na ndakọrịta na ọnụego otu ngafe na tebụl 3.

(3) Ọnụego Mbelata Mgbanwe Eke: Izere oke ikpo ọkụ Edge

1. CVC Roller Crown: Gbanwee okpueze na 0.015-0.02mm dabere na obosara ikpo ọkụ (3-15mm), na-amachi mgbagha nrụrụ aka ka ọ bụrụ ≤3% - na-ekwu okwu nke etiti etiti na tebụl 1;

2. Igwe kpo oku: Wụnye ngwaọrụ kpo oku ọnụ (50-60℃) n'ebe a na-akpụgharị ihe igwe ihe iji belata nkwụsị nrụrụ ihu, na-eweda ngbanwe ihu-etiti si >5% ruo ≤3%;

3. Nyochaa ọka: Jikọta usoro EBSD dị n'ịntanetị iji nakọta data ọka site na 3 transverse ngalaba kwa mita nke foil. Gbanwee okpueze rola mgbe ọdịiche nha ọka karịrị 15% - na-ahụ n'otu n'otu n'otu n'otu na-egosipụta n'ụdị kacha mma nke tebụl. 2.

6. Mmechi na Outlook

Njikwa ọnụego mbelata na-ezighi ezi nke Aluminom foil maka micro heat sinks na ngwaọrụ VR/AR na-akpalite a yinye mmeghachi omume nke “ike echekwara → nhazi ọka → conductivity okpomọkụ,” akpụ okpomọkụ dissipation nwụrụ anwụ zones (oke okpomọkụ dị iche 11 ℃) na imebi nkwụsi ike ngwaọrụ. Dị ka Tebụl gosipụtara 1-3, mmejuputa iwu “Ngụkọta mbelata mbelata mbelata ≥50%, mgbanwe otu ngafe ≤±5%, ntụgharị ntụgharị ≤3%” na-enweta oke ọka 5-7μm (ọkọlọtọ deviation ≤2μm) na thermal conductivity iche ≤3W /(M ·)— na-ezute ≤3℃ ikposa ọkụ chọrọ maka ngwaọrụ VR/AR.

Ntuziaka mmepe n'ọdịnihu na-elekwasị anya na mpaghara abụọ: ① Zụlite otu “Usoro amụma mbelata AI” iji lebara omume nke njupụta ike ngwaọrụ VR/AR dị elu (ike mgbawa na-eru 20W site 2025), na-eme ka mgbazi mgbagha na-aga n'ihu; ② Gwakọta mkpụgharị pulse ugbu a na-enyere aka iji belata ọdịiche nha ọka, na-aga n'ihu ụdị aluminom foil n'ebe “Mpaghara anwụ anwụ efu efu.”

Isi Ụkpụrụ: Mbelata ọnụego njikwa maka Aluminom foil maka micro heat sinks na ngwaọrụ VR/AR ga-ebute ụzọ “Ịdị n'otu ọka na-eme ka ọ bụrụ obere ikpo ọkụ.” Naanị mgbe parampat dabara nke ọma na mkpa ikposa ọkụ nke ngwaọrụ - dị ka egosipụtara na data sitere na Tebụl 1-3-nwere ike ikwenye na ọrụ VR / AR nwere ntụkwasị obi ogologo oge ga-ekwe nkwa..