Umthelela wokuncishiswa kwezinga le-microctrol kuma-grary angelona ukufana kanye nokuhlanzeka kokushisa ku-6.35μm aluminium foil for vr / ar ukushisa okushisa kancane

1. Ukuqalisa: Izici zohlelo lokusebenza lwe-Aluminium Foil yokushisa okushisa okuncane kumadivayisi we-VR / AR nokubaluleka kokulawulwa kwesilinganiso sokuncipha

I-Aluminium Foil yokushisa okushisa okuncane kumadivayisi we-VR / AR (kuqala 1235/8079 ama-alloys, 6.35μm obukhulu) isebenza njengengxenye yokuhlanza ukushisa okuyisisekelo kumakhanda we-VR / AR, abalawuli, namadivayisi afanayo. Ngenxa yesikhala sangaphakathi esilinganiselwe samadivayisi anjalo (E.g., IVolumu Yokushisa Komphetho), Ukushisa okushisayo kumele kuncishiswe kancane (usayizi 3-15mm) Ngokuncintisana okuvumayo okuvumayo ukugwema ukushisa ngokweqile kwasendaweni-ikakhulukazi njengoba amandla okushisa e-chip avela ku-5-15w, edinga umehluko wokushisa wendawo ≤3 ℃.

Ngesikhathi senqubo yokugoqa, Izinga lokuncipha (inani lokuncipha = [(ubukhulu bokuqala – ubukhulu bokugcina)/ubukhulu bokuqala]× 100%; Isilinganiso sokuncipha kwesikhashana esisodwa = [(Ubukhulu bokuqala bokudlula – Ubukhulu bokugcina bokudlula)/Ubukhulu bokuqala bokudlula]× 100%) yipharamitha esemqoka elawula ukuvela kokusanhlamvu. Ngokuvumelana ne 2024 Idatha yemvelo ye-VR / AR, 42% kokuhluleka kokushisa kokushisa kwedivayisi stem kusuka “Ukushiswa ngokweqile kwasendaweni kokushisa okushisa okuncane,” okungalandelwa ekuphatheni okungafanele kokulawulwa kwesilinganiso se i-aluminium foil Ukushisa okushisa okuncanyana kumadivayisi we-VR / AR: ① Izinga lokunciphisa imali eliphelele libangela usayizi wokusanhlamvu ongalingani, okuholela ku-7W /(m · k) umehluko ekuvuselweni okushisayo kwendawo yokushisa kokushisa; ② Ukuguquguquka kokuncipha ngokweqile kwenani lokuncipha okukodwa kudala a “Okusanhlamvu okuhle / okusanhlamvu okunama-coarse” i-gradient, kwakha izindawo zokushisa zokushisa (umehluko wokushisa >5℃); ③ Ukuncishiswa kokuncishiswa kwezinga lokuncishiswa kwezinga eliguqukayo, ukunciphisa impilo yenkonzo yama-chip wedivayisi ye-VR / AR ngo 20%.

Ukubhekana nalezi zinselelo, Kuqala kudingekile ukucacisa ubudlelwano phakathi kwezinga lokuncipha, ukwakheka okusanhlamvu, kanye nokuvuselelwa okushisayo - ukubeka isisekelo sethiyori sokugibela okuqondile kwalolu hlobo lwe-aluminium foil.

2. Ubudlelwane be-theoretical phakathi kwezinga lokuncipha, Ukwakheka okusanhlamvu, kanye nokuvuselelwa okushisayo kwe-aluminium foil ku-VR / AR Ukushisa Ukushisa Okuncane

(1) Mechanism Meanism of Right Regulation ngenani lokuncipha: Ukuzivumelanisa nezidingo zokunciphisa ukushisa okuncane

Ukugoqa kwe I-Aluminium Foil yokushisa okushisa okuncane kumadivayisi we-VR / AR libandakanya “Ukudlula okubandayo okuningi” (8-12 ukudlula, Ukunciphisa ubukhulu kusuka ku-2mm kuya ku-6.35μm, ngenani eliphelele lokunciphisa ≈99.68%). Izinga lokuncipha lithonya kabusha kabusha (I-DRX) phakathi kwa- “Amandla agcinwe agcinwe,” Yikuphi okunquma ukufaneleka okusanhlamvu kokushibilika kokushisa:

1. Amandla agcinwe amandla agcinwe kanye nokuphindaphinda: Amandla agcinwe abucayi e-DRX ale-aluminium foil (1235 ingxubevange) ngu-75J / m³. Izinga lokwehliswa kokuphasa okukodwa kwe 20%-25% ikhiqiza amandla agciniwe angu-80-110J/m³, ukwakha izinhlamvu ezilinganayo ze-5-7μm-ezilungele ukuqinisekisa ukuqhutshwa kwe-thermal okufanayo kumasinki okushisa amancane;

2. I-Grain Orientation kanye ne-Thermal Conductivity: Izinga lokunciphisa elinengqondo (22%-24% ngephasi ngalinye) ikhuthaza i {111} ukuthungwa okufanele uphendule ngakho >60% (conductivity ezishisayo 12% ephakeme kunokuthungwa okungahleliwe). Ngokungqubuzanayo, amazinga okunciphisa angavamile (>30%) khulisa i {100} ukuthungwa isilinganiso 18%, inciphisa ukusebenza kokushisa ngo-5%—yehluleka ukuhlangabezana nezimfuneko ezinembayo zokulahla ukushisa zamadivayisi e-VR/AR.

(2) Imodeli Eyengeziwe Yokwakheka Okusanhlamvu kanye Nokuqhuba Okushisayo: Ikhuluma Nokucaciswa Kwezinki Zokushisa Ezincane

Ngenxa yobukhulu obuncane kanye nokushisa okuphezulu kwe-flux density (10-20W/cm²) yamasinki okushisa amancane e-VR/AR, kudingeka ubudlelwano obunembe kakhudlwana be-grain-thermal conductivity. Ithathwe ku-metal thermal conduction theory, ifomula ithi:

λ = ₀₀ × [1 – k ×(6/d)]

• ₀: Ukuvuselelwa okushisayo kwe-alumininum ye-lingle-crystal (237W /(m · k) ngo-25 ℃);

• K: Umngcele wokusanhlamvu usakaza coefflent (0.12 ngalolu hlobo lwe-aluminium foil);

• d: Usayizi wokusanhlamvu (μm; Ukucwila okushisa okuncane kudinga D = 5-7μm ngokuphambuka okujwayelekile ≤2μm).

Lapho D inyuka kusuka ku-5μm kuya ku-15μM, λ Ukhuphuka kusuka ngo-225W /(m · k) kuya ku-232w /(m · k), umehluko we-7W /(m · k). Ngokushisa okuncane okushisayo, Lo mehluko ubangela umehluko wokushisa wendawo wedlula 4 ℃ -Far Ngaphesheya kwe-≤3 ℃ umkhawulo wamadivayisi we-VR / AR okuholela ekushiseni izindawo ezifile.

3. Izimo ezintathu zesakhiwo esingalingani sokusanhlamvu esibangelwa ukulawulwa kwesilinganiso sokunciphisa okungafanele (Kuguqulwe kuzidingo ze-VR / AR yokushisa ukushisa)

Ukuze unciphise umthelela wokulawulwa kwesilinganiso sokuncishiswa okungafanele ekuhlolweni okusanhlamvu nokushiyeka kokushisa, Itafula 1 ifingqa amapharamitha angukhiye wesimo ngasinye sokwehluleka, ukuxhuma ngokuqondile izinkinga zenqubo nezinkinga zokusebenza kwedivayisi:

Itafula 1: Isakhiwo Sokusanhlamvu kanye Nezinhlaka Zokulahla Ukushisa Ngaphansi Kwezimo Zezinga Lokwehliswa Okungafanele

(1) Isilinganiso Sokuncishiswa Sesamba Esanele (<50% kumaPhasi Abalulekile): Ukwenziwa kabusha Kwekristalu Okwanele kanye Nokushisa Kwasendaweni Komasinki Okushisa

1. Izici Zenqubo: Ingomane I-Aluminium Foil yokushisa okushisa okuncane kumadivayisi we-VR / AR, inani lokunciphisa inani ku 3 idlula ngaphambi kokuqeda ukugoqa (ukujiya kusuka ku-50μm→25μm→12μm) kufanele kube ≥50%. Uma kuncishiswe ku 40% (50μm→ 30μm), amandla agciniwe ehla aze afike ku-65J/m³—ngaphansi kwevelu elibalulekile le-DRX;

2. Umthelela Esakhiweni Sokusanhlamvu Nokuncipha Kokushisa: Njengoba kukhonjisiwe kuThebula 1, lesi simo sakha ukusabalalisa okusanhlamvu okuyi-bimodal. Umehluko ohambisanayo we-λ kusinki wokushisa omncane ufinyelela ku-8W/(m · k), okuholela kumehluko wokushisa wasendaweni ongu-10℃ kuma-headset chips e-VR/AR nokudangala ukwehla kozimele—okuthinta ngokuqondile ulwazi lomsebenzisi.

(2) Ukushintshashintsha Okudlulele Kwezinga Lokunciphisa I-Single-Pass Reduction Rate (Ukuchezuka >8%): Igreyidi Yokusanhlamvu kanye Nezindawo Ezifile Zokukhipha Ukushisa

1. Izici Zenqubo: Izinga lokwehliswa kwephasi elilodwa ku- 2 idlula ngaphambi kokugingqika kokugcina (25μm→12μm→6.35μm) kumele izinze ku 45%-50%. Ukugqoka kwe-roller kungase kubangele ukushintshashintsha 38%-48% (10% ukuphambuka);

2. Umthelela Esakhiweni Sokusanhlamvu Nokuncipha Kokushisa: Ngokusobala, lokhu kuguquguquka kudala ukushintshashintsha “amapheshana abandayo/ashisayo” ngasendleleni eginqikayo. NjengeThebula 1 ikhombisa, umehluko we-thermal conductivity ufinyelela ku-8W/(m · k), futhi umehluko wezinga lokushisa udlula u-10℃—ngaphezu kakhulu komkhawulo wedivayisi ye-VR/AR—okwakha izindawo ezifile zokulahla ukushisa ezingenakulungiseka.

(3) I-Uneven Transverse Reduction Rate (Ukuchezuka kwe-Edge-Center >5%): I-Edge Overheating kanye Nokwethenjwa Kwedivayisi Okuncishisiwe

1. Izici Zenqubo: Umqhele werola ongajwayelekile (0.02mm→ 0.04mm) kubangela a 6% ukuchezuka kwezinga lokuncishiswa okuphambene (48% phakathi nendawo, 42% emaphethelweni);

2. Umthelela Esakhiweni Sokusanhlamvu Nokuncipha Kokushisa: Ngale kwalezi zimo ezingenhla, ukungalingani okuphambene kuthinta ngokuyinhloko ukuqina kwedivayisi. Itafula 1 ikhombisa izinga lokushisa elingu-7℃ ngaphezu kwesikhungo, ukusheshisa ukuguga kwerabha evala uphawu futhi kukhuphule izinga lokuhluleka kusuka 1.5% kuya ku-4.8%—izindleko ezinkulu kubakhiqizi.

4. Ukuqinisekiswa Kokwehluleka Kwedivayisi Yokushisisa Kwe-VR/AR Okubangelwa Ukungalingani Kwezinhlamvu

Ukwakhela phezu kokuhlaziywa kwesimo, kokubili ukuhlolwa kwelabhorethri kanye nocwaningo lwezimboni lwenziwa ukuze kuqinisekiswe umthelela ongokoqobo wokungalingani kokusanhlamvu. Itafula 2 yethula idatha enemininingwane yokuqinisekisa ilabhorethri, kuyilapho amacala omhlaba wangempela eqhubeka eqinisekisa okutholakele.

Itafula 2: Imiphumela Yokuqinisekiswa Kwelabhorethri Yokusebenza Kwe-Micro Heat Sink

(1) Ukuqinisekiswa Kwelabhorethri (Ukufanisa Izimo Ezincane Zokushisa Kokushisa)

1. Ukulungiswa kwesampula: Khetha I-Aluminium Foil yokushisa okushisa okuncane kumadivayisi we-VR / AR ne- “aguquguqukayo amazinga okunciphisa ipasi elilodwa” (indawo yezinhlamvu ezinhle d=5μm, indawo yokusanhlamvu okumahhadla d=14μm) futhi wenze amasinki okushisa amancane angu-10mm×5mm×6.35μm;

2. Ukuhlola: NjengeThebula 2 imibukiso, usebenzisa i-flux yokushisa engu-15W/cm² (ukulingisa isizukulwane sokushisa se-VR chip) iveze umehluko wezinga lokushisa elingu-11℃—odlula kude imfuneko engu-≤3℃. Ukuhlaziywa kwe-Laser flash (I-NETSCH LFA 467) iqinisekise umehluko we-thermal conductivity we-8W/(m · k);

3. Isiphetho: Izindawo ezifile zokukhishwa kokushisa okubangelwa ukwakheka okusanhlamvu okungalingani kucindezela izinga lokushisa le-chip yedivayisi ye-VR ngaphezu komkhawulo (60℃), icupha ukuvikelwa kokunciphisa imvamisa.

(2) Icala lezimboni: Ukuhlaziywa Kokwehluleka Komkhiqizi Wedivayisi Ye-VR

Phakathi kwa- 2023, kusetshenziswe umenzi we-earphone we-VR I-Aluminium Foil yokushisa okushisa okuncane kumadivayisi we-VR / AR ne- “amazinga okunciphisa aguquguqukayo angalingani,” okuholela:

• Njengoba kuboniswe kuThebula 2, izinga lokushisa emaphethelweni likasinki wokushisa lifinyelele ku-58℃ (vs. 51℃ phakathi nendawo), okubangela ukuncishiswa kwemvamisa ye-chip njalo (izinga lozimele lehla lisuka ku-90Hz liye ku-75Hz);

• Izinga lesikhalazo sekhasimende likhuphuka lisuka 2.3% ku 8.5%, ngendleko eyodwa yangemva kokuthengisa eyedlulayo 5 million yuan;

• Ngemva kokufaka i-foil ngamazinga okunciphisa athuthukisiwe (njengoba kukhonjisiwe emgqeni wesithathu weThebula 2), umehluko wezinga lokushisa lokukhipha ukushisa lehle laya ku-2.5℃, futhi izinga lesikhalazo labuyela emuva 1.2%.

5. Amasu Okulawula Isilinganiso Sokuncishiswa Ngokunemba Efoyili Ye-Aluminum ku-VR/AR Amasinki Okushisa Okuncane

Ngokusekelwe emiphumeleni yokuqinisekisa, amasu okulawula okuhlosiwe athuthukiswa ukubhekana nesimo ngasinye sokwehluleka. Umnyombo usekuklanyweni kwezinga lokwehliswa kwesiteji, isilawuli sephasi elilodwa esizinzile, kanye nokusabalalisa okuphambene okufanayo—okunamapharamitha angukhiye achazwe kuThebula 3.

Itafula 3: Idizayini Yezinga Lokwehliswa Kwesiteji engu-6.35μm 1235 I-Aluminium Foil (Ubukhulu bokuqala 2mm)

(1) Idizayini Yezinga Lokwehliswa Kwezinga Eliphelele: Ukuzivumelanisa Nezimfuneko Zokusanhlamvu Zokukhipha Ukushisa Okuncane

NjengeThebula 3 ikhombisa, isigaba sokuqeda (ukudlula 7-8) kubalulekile—ukugcina inani lokunciphisa inani ≥50% kuqinisekisa ukuwohloka kwamandla agciniwe afinyelela ku-90-110J/m³. Lokhu kuvula i-DRX eyanele, okuholela kumasayizi okusanhlamvu angu-5-7μm ngokuchezuka okujwayelekile ≤2μm—okufanelana kahle nezidingo ze-thermal conductivity zamasinki okushisa amancane e-VR/AR.

(2) Ukulawulwa Kwezinga Lokunciphisa I-Single-Pass Okuzinzile: Icindezela i-VR/AR Heat Dissipation Dead Zones

1. I-Roller Monitoring: Sebenzisa i-laser profilemeter ukuthola ukugqokwa kwesikhathi sangempela (ukunemba 0.001mm). Shintsha ngokuzenzakalelayo ama-roller uma ukuguga kudlula u-0.02mm, ukunciphisa ukuguquguquka kusuka ku-±8% kuya ku-±3%—isinyathelo esibalulekile sokugwema “Okusanhlamvu okuhle / okusanhlamvu okunama-coarse” i-gradient kuThebula 1;

2. Ukuxhumanisa Ukushuba: Gcina ukungezwani kokuqeda okuzinzile ku-15-18kN (ukushintshashintsha ≤±1kN). Unxephezela ukuchezuka ngokulungisa isivinini sokuginqa (100-120m / ami), ikhawulela ukuguquguquka kwephasi elilodwa ukuya ku-≤5%;

3. Online Impendulo: Sebenzisa i-X-ray gauge ukujiya (ukunemba 0.1μM) ukuqoqa idatha njalo nge-10ms. Lungisa ukucindezela kwesilinda sokunciphisa (ukunemba 0.01MPa) lapho ukuchezuka kogqinsi kudlula u-0.3μm—ukuqinisekisa ukuvumelana namazinga okudlula okukodwa kuThebula 3.

(3) Uniform Transverse Rate: Ukugwema Ukushisisa Kwe-Edge

1. Umqhele we-CVC Roller: Lungisa umqhele ube ngu-0.015-0.02mm ngokusekelwe kububanzi besinki wokushisa (3-15mm), ikhawulela ukuchezuka kwengcindezi eguquguqukayo ibe ngu-≤3%—ibhekana nenkinga emaphakathi kuThebula 1;

2. I-Edge Heating: Faka idivayisi yokushisisa onqenqemeni (50-60℃) endaweni yokugaya ukuze kuncishiswe ukumelana ne-deformation, ukwehlisa ukuchezuka kwemaphakathi nendawo >5% ukuya ku-≤3%;

3. Ukuqapha Okusanhlamvu: Hlanganisa uhlelo lwe-EBSD eku-inthanethi ukuze uqoqe idatha yokusanhlamvu kusuka 3 izingxenye eziphambene imitha ngayinye ye-foil. Lungisa umqhele werola lapho umehluko kasayizi wokusanhlamvu udlula u-15%—uqinisekisa ukufana okuphambene okuboniswa kusampula elungiselelwe yeThebula 2.

6. Iziphetho kanye ne-Outlook

Ukulawulwa kwezinga lokunciphisa okungalungile kwe I-Aluminium Foil yokushisa okushisa okuncane kumadivayisi we-VR / AR icupha ukusabela kweketango “amandla agciniwe→isakhiwo sokusanhlamvu→i-thermal conductivity,” kwakha izindawo zokushisa zokushisa (Umehluko omkhulu wokushisa ngu-11 ℃) kanye nokufaka engozini ukuzinza kwedivayisi. Njengoba kuboniswa ngamaThebula 1-3, ukwenza “inani lokuncishiswa kokuqedwa kokuqedwa okuphelele ≥50%, ukushintshashintsha kwephasi eyodwa ≤±5%, ukuchezuka okuphambene ≤3%” ifinyelela osayizi bokusanhlamvu be-5-7μm (ukuchezuka okujwayelekile ≤2μm) kanye nomehluko we-thermal conductivity ≤3W/(m · k)—uhlangabezana nemfuneko ≤3℃ yokulahla ukushisa kumadivayisi e-VR/AR.

Imikhombandlela yentuthuko yesikhathi esizayo igxile ezindaweni ezimbili: ① Yakha i- “Isistimu yokuqagela izinga lokwehliswa kwe-AI” ukubhekana nethrendi yokuminyana kwamandla edivayisi ye-VR/AR ephezulu (amandla e-chip afinyelela ku-20W nge 2025), ukunika amandla ukulungiswa kokuchezuka okusebenzayo; ② Hlanganisa ukugoqa okusiza ukushaya kwenhliziyo ukuze uqhubeke unciphisa umehluko wosayizi wokusanhlamvu, ukuqhubekisela phambili lolu hlobo lwe-aluminium foil ukuya ngase “izindawo ezifile zokushabalalisa ukushisa.”

Isimiso Esiyinhloko: Ukulawulwa kwezinga lokwehliswa kwe I-Aluminium Foil yokushisa okushisa okuncane kumadivayisi we-VR / AR kumele ibeke phambili “ukufana okusanhlamvu kuguqulelwe ekulahlekeni kokushisa okuncane.” Kuphela uma amapharamitha efaniswa ngokunembile nezidingo zokukhipha ukushisa zedivayisi— njengoba kuboniswa kudatha evela kuThebula 1-3—lapho kungaqinisekiswa ukusebenza okuthembekile kwesikhathi eside kwemishini ye-VR/AR.