Kugwiritsa ntchito HTPB mu Potting/encapsulation ya Zipangizo Zamagetsi

HTPB (Hydroxyl-Terminated Polybutadiene)Monga elastomer yogwira ntchito bwino, imapereka ubwino wapadera pakugwiritsa ntchito zinthu zamagetsi m'miphika, makamaka pazochitika zomwe zimafuna kusinthasintha, kukana nyengo, komanso kutchinjiriza magetsi. Pansipa pali chidule cha mfundo zazikulu zokhudzana ndi kugwiritsa ntchito HTTPB Zopangira potting zamagetsi:

**1. Makhalidwe ndi Ubwino wa HTPB pa Potting**

1. - Kusinthasintha ndi Kukana Kukhudzidwa: Mukachira, HTTPB imapanga elastomer yomwe imatenga mphamvu ya makina, kuteteza zida zamagetsi zomvera (monga masensa, ma circuit board) ku kugwedezeka kapena kufalikira kwa kutentha.

2. -Kuteteza Magetsi: Kuteteza mphamvu kwambiri (>10¹⁴ Ω·cm), zomwe zimapangitsa kuti ikhale yoyenera kutetezera mphamvu kwambiri kapena kutumiza chizindikiro champhamvu kwambiri.

3.- Kukana Mankhwala ndi Nyengo: Kukana asidi, alkali, ndi kuwala kwa UV, koyenera kugwiritsa ntchito zipangizo zamagetsi zakunja (monga mabokosi a PV junction, zamagetsi zamagalimoto).

4.- Kuchepa Kochepa kwa Kuuma: Kumachepetsa kupsinjika kwa mkati pambuyo pa kumera kwa mphika, kuletsa kusintha kwa zigawo kapena kusweka.

5.- Kukana Chinyezi ndi Fumbi: Kumapereka chitetezo chogwira mtima ku zinthu zodetsa chilengedwe.

**2. Kapangidwe ka Zinthu Zopangira M'miphika**

- Kusankha Kachitidwe Kochiritsa:

- Isocyanates (monga TDI, IPDI): Amapanga maukonde a polyurethane; chiŵerengero cha NCO/OH (nthawi zambiri 1.05–1.1:1) chiyenera kulamulidwa kuti chikhale cholimba komanso chosasunthika.

- Kuchiza kwa Peroxide: Koyenera kugwiritsidwa ntchito kutentha kwambiri koma kumachepetsa kusinthasintha.

- Zowonjezera Zodzaza:

- Zodzaza ndi Kutentha: Boron nitride (yoteteza kutentha komanso yoyendetsa kutentha), alumina (yotsika mtengo).

- Zoletsa Moto: Aluminium hydroxide, zoletsa moto zochokera ku phosphorous kuti zikwaniritse miyezo ya UL94 V-0.

- Mapulasitiki: mwachitsanzo, DOA (Dioctyl Adipate) kuti achepetse modulus, ngakhale kuti zoopsa zosamukira ziyenera kuyesedwa.

**3. Mapulogalamu Achizolowezi**

1. Zamagetsi Zankhondo/Zamlengalenga: Kuyika m'miphika ya ma circuit a zida zankhondo, zida za radar, kugwiritsa ntchito HTTPBkutentha kwakukulu (-50°C mpaka 80°C).
2. Gawo Latsopano la Mphamvu: Kuphimba batire ya lithiamu, kuteteza ma module ochaja, kulimbitsa chitetezo chamagetsi ndi kuyamwa kwa shock.
3. Zipangizo Zapansi pa Madzi: Kuyika ziwiya zolumikizirana ndi chingwe cha pansi pa madzi, zotetezeka ku dzimbiri la madzi amchere komanso zosalowa madzi.
4. Mabodi ozungulira osindikizidwa (ma PCB)
5. Zolumikizirana ndi Ma Network Infrastructure
6. Mphamvu Zongowonjezedwanso ndi Zamagetsi Zamagetsi
7. Zamagetsi Zam'madzi
8. Zipangizo Zamagetsi Zogwiritsidwa Ntchito Molimba Kwambiri

**4. Zoganizira za Njira**

- Kuchotsa thovu: Kuchotsa mpweya mu vacuum (-0.095 MPa, mphindi 10–20) kuti mpweya usamalowe mkati utatha kuuma.

- Mikhalidwe Yophikira: Kuphikira kutentha kwa chipinda (maola 24–48); kutentha (60–80°C) kumachepetsa nthawi yophikira kufika maola 4–8.

- Kumatira Patsogolo: Chithandizo cha plasma kapena ma primer ofunikira pa zinthu zopanda polar (monga PE) kuti ziwonjezere mgwirizano.

**5. Kuyerekeza ndi Zipangizo Zina Zophikira M'miphika**

**6. Njira Zowongolera**

- Kusintha kwa Nano: Kuphatikiza nano-SiO₂ kuti muwonjezere mphamvu yamakina (monga, mphamvu yogwira imawonjezeka kuchokera pa 5 MPa mpaka 8 MPa).

- Machitidwe Osakaniza: Kuphatikiza polima ndi epoxy (mwachitsanzo, EP/HTTPB ma network olowa mkati) kuti agwirizane kulimba ndi kulimba.

HTTPB Zipangizo zopangira miphika ndizofunikira kwambiri kuti zitetezedwe pamagetsi m'malo osinthasintha, ndipo mapangidwe ake ayenera kukonzedwa bwino kutengera zofunikira zinazake zogwirira ntchito.

Kampani yathu ikupereka HTTPB m'magiredi osiyanasiyana ndipo amapereka kupanga kosinthidwa kutengera zomwe kasitomala akufuna.