Mawu Oyamba
Mu 2023, fakitale ina yamagetsi yamagetsi inasokonekera kwambiri- chifukwa chosayeretsedwa bwino. capacitor discharge spot kuwotchererama elekitirodi, zomwe zidapangitsa kuwonongeka kwa zida komanso kuyimitsidwa kwamasiku 3-ndi kutayika kwachindunji kupitilira ¥2 miliyoni. Mosiyana ndi izi, wopanga zida zam'mlengalenga adasunga mbiri yangozi yaziro kwa zaka 5 zotsatizana pokhazikitsa miyezo 128 yachitetezo. Deta ikuwonetsa kuti ntchito yotetezeka ya capacitor discharge spot kuwotchererasikuti zimangokhudza chitetezo cha ogwira ntchito ndi zida komanso zimakhudzanso kupitilizabe kupanga komanso phindu lamakampani. Nkhaniyi ikusanthula mwadongosolo mfundo zazikuluzikulu zachitetezo chotetezeka capacitor discharge spot kuwotchererakuchokera ku miyeso inayi:chitetezo chamagetsi, makina chitetezo, ndondomeko zoyenera,ndikulamulira chilengedwe.
I. Electrical Safety Protection System
1. Capacitor Bank Safety Management
Limbani-Discharge Risk Control:
- Mphamvu yolipirira iyenera kuyendetsedwa mkati mwa ± 5% ya mtengo womwewo (mwachitsanzo, makina a 32V asapitirire 33.6V).
- Magetsi otsalira pambuyo potulutsa ayenera kuchepetsedwa kukhala malo otetezeka (<5V) before electrode contact.
- Fomula: Nthawi Yotulutsa Yotetezedwa t=5 × R × C (R: kukana kutulutsa, C: mphamvu yonse).
- Mlandu Wangozi Yamakampani: Bizinesi ya 3C idagwedezeka ndi magetsi pakukonza chifukwa chamagetsi otsalira omwe sanadziwike, ndikuwotcha chipangizo chowongolera.
2. Miyezo ya Grounding System
| Mtundu Wotsitsa | Kukaniza Chofunikira | Ulendo Woyendera |
|---|---|---|
| Zida Zoteteza Kuyika | Zochepera kapena zofanana ndi 4Ω | Mwezi uliwonse |
| Workbench Equipotential Grounding | Zochepera kapena zofanana ndi 0.1Ω | Mlungu uliwonse |
| Anti-Static Grounding | Zochepera kapena zofanana ndi 1MΩ | Tsiku ndi tsiku |
3. High-Njira Yochenjeza Zamagetsi
- Charging status must trigger synchronous audio-visual alarms (activated at >24V).
- Miyezo ya Fakitale ya Tesla Shanghai:
- Kuwala kozungulira kozungulira kofiira (madigiri 270 owoneka ngodya).
- 85dB buzzer (imakwirira utali wa 15m).
II. Njira Zachitetezo Chamakina
1. Pressure System Protection Mechanism
Zikhazikiko za Chitetezo cha Servo Pressure:
- Kupanikizika kwakukulu sikudutsa 120% ya mtengo wovotera.
- Pressure build-up time >5ms (amateteza kuwonongeka kwamphamvu).
- Pressure-Displacement Dual Closed-Loop Monitoring:
||Anomaly Type|Nthawi Yankho|Ntchito Yoteteza |
|-----------------|---------------|---------------------------|
||Kuchuluka kwa Pressure |<1ms | Emergency stop + pressure release |
||Kusamuka Kwambiri |<2ms | Reverse compensation + alarm |
2. Chitetezo cha Zigawo Zosuntha
- Malo oyenda ma elekitirodi amayenera kukhala ndi makatani owala (osachepera kapena ofanana ndi 14mm).
- Kusamalira kumafunika kutseka mwakuthupi (mwachitsanzo, makina a loko yachitetezo).
III. Miyezo ya Chitetezo cha Njira
1. Electrode Management Standards
Valani Limit Control:
||Mtundu wa Electrode|Diameter Wear Limit|Pamwamba Pamwamba |
|----------------|----------------------|------------------|
||Chromium Zirconium Copper Electrode|Zocheperapo kapena zofanana ndi 15%|Ra<0.8μm |
||Tungsten Copper Electrode|Zocheperapo kapena zofanana ndi 10%|Ra<1.2μm |
Kuyeretsa Cycle Miyezo:
- Aluminium alloy kuwotcherera: Yeretsani mfundo 500 zilizonse.
- Kuwotcherera zitsulo: Tsukani mfundo 300 zilizonse.
2. Material Adaptability Control
Mndandanda wa Zida Zowotcherera Zoletsedwa:
- Magnesium alloy (poyaka moto<500°C).
- Composite materials with oil content >5%.
- Dissimilar metals with thickness ratio >5:1.
3. Malire a Chitetezo cha Mphamvu Parameter
Njira Yowerengetsera{{0}Point Energy Calculation Formula:
- E=0.5 (η: koyereshoni yogwira ntchito bwino, iyenera kulamuliridwa pakati pa 0.8–0.95 ).
- Miyezo yaukadaulo ya Huawei:
- Stop immediately if energy fluctuation >±3%.
- Yambitsani kudzifufuza nokha-kufufuza pambuyo pa ma weld 3 motsatizana.
IV. Environmental and Personnel Safety Management
1. Working Environment Control
Kutentha ndi Chinyezi Zofunikira:
||Parameter|Standard Range|Njira Zowongolera Kwambiri |
|-----------------|----------------|------------------------------|
||Ambient Kutentha|10-35 digiri|Yambitsani AC yodzipereka |
||Chinyezi Chachibale|30-70%|Yambitsani dongosolo la dehumidification |
| Air Cleanliness | >Kalasi ya ISO 7|Yambitsani chipangizo choyeretsera |
2. Zida Zodzitetezera (PPE)
- Chitetezo Chachikulu:
Anti-arc face shield (light transmittance<30%).
Insulated gloves (withstand voltage >500V).
- Chitetezo Chapadera:
Anti-apuloni yachitsulo splatter (aluminiyamu-zinthu zochokera).
Anti-nsapato zolimba (kukana 1×10^5-1×10^8Ω).
3. Ogwira Ntchito Maphunziro System
Atatu-Njira Yotsimikizira Ma Level:
||Level|Nthawi Yophunzitsa|Zilolezo Zogwirira Ntchito |
|--------|-------------------|-------------------------------|
||Junior|Maola 16|Standard parameter ntchito |
||Wapakati|maola 32|Kusintha kwa parameter + kukonza kosavuta |
||Mkulu|maola 64|Kusintha kwadongosolo + kusagwira bwino |
V. Intelligent Safety Management System
1. Real-Nthawi Yowunika Nthawi
Makulidwe Osonkhanitsira Data:
||Mtundu wa Parameter|Kuchuluka kwa Zitsanzo|Chitetezo Chigawo |
|----------------|--------------------|------------------|
||Leakage Current|1 kHz |<0.1mA |
||Kutentha kwa Electrode|10Hz |<80°C |
||Pressure Fluctuation|2 kHz |<±5% |
2. Predictive Maintenance System
- Electrode life prediction model (zolakwika<±5%).
- Capacitor bank health assessment (warning if capacity decay >10%).
Mapeto
CATL yachepetsa kulephera kwa zida kuchoka pa 3.2% kufika pa 0.05% pokhazikitsa njira yoyendetsera chitetezo cha capacitor discharge spot kuwotcherera, kupulumutsa zoposa ¥15 miliyoni pachaka pakuwonongeka kwachitetezo. Zochita zikuwonetsa kuti kukhazikitsa njira yoyendetsera chitetezo kuphatikizakutsimikizira-anthu awiri, -kuwunika kwa magawo atatu,ndiMphindi 15 kuyankha molakwikazitha kuchepetsa ngozi ndi 90%. Ndi kugwiritsa ntchito makina masomphenya ndi m'mphepete kompyuta matekinoloje, m'badwo watsopano wa capacitor discharge spot kuwotchereraapeza chitetezo chanzeru chotsekedwa cha "hazard prediction - automatic protection - kufufuza zifukwa," kulimbikitsa chitetezo cha mafakitale kukhala gawo latsopano lachitetezo chokhazikika.
