Pej xeem EV them cov khoom siv hluav taws xob tau nce nrawm dua li cov khoom siv kho vajtse feem ntau xav tau. IEA covNtiaj teb no EV Outlook 2024tshaj tawm tias pej xeem ceev charger installation tau nce 40% hauv 2023, nrog rau kev xa mus nrawm thoob plaws North America, Europe, thiab Southeast Asia. Raws li kev them nyiaj network nthuav dav tshaj li cov neeg siv khoom siv thaum ntxov rau kev siv pej xeem, cov duab interface tau dhau los ua qhov kev ntseeg siab thiab cov neeg siv kev paub hloov pauv - ib qho uas cuam tshuam ncaj qha rau lub sijhawm them nyiaj, kev saib xyuas zaus, thiab kev nkag siab ntawm hom.
Vim li cas 7-Inch TFT LCD tau dhau los ua tus qauv rau EV Charger Displays
Daim ntawv 7-inch form factor tau converged raws li tus qauv siv rau pej xeem EV charger qhia los ntawm ib tug ua ke ntawm ergonomic, mechanical, thiab coj mus muag yam - tsis yog los ntawm kev lag luam decree.
Standing -qhov siab ergonomics.Kev them nyiaj rau pej xeem kiosks yog ua los ntawm cov neeg siv sawv ntsug ntawm qhov kev sib cuam tshuam ntawm 60-80 cm. Ntawm qhov kev ncua deb, 7-nti vaj huam sib luag ntawm 1024 × 600 daws teeb meem ua rau cov ntawv nyeem thiab cov duab cim ntawm qhov ntom ntom uas pom tau zoo yam tsis tas yuav kom tus neeg siv tig mus rau pem hauv ntej. Cov vaj huam sib luag hauv qab 5 ntiv tes ntawm qhov kev daws teeb meem no yuav tsum muaj qhov loj me uas txwv UI layout rau cov ntawv qhia yooj yim; panels saum 9 ntiv tes muab tsis muaj txiaj ntsig ntxiv thiab ua kom cov ntaub ntawv loj, cua thauj khoom, thiab cov nqi khoom siv.
UI complexity xav tau.Kev them nyiaj niaj hnub ua haujlwm - RFID/QR authentication, tariff xaiv, tiag -lub sij hawm saib xyuas lub hwj chim, OCPP 2.0 cov lus qhia raws li txoj cai, thiab daim ntawv txais nyiaj tiam - yuav tsum muaj ib qho screen uas tuaj yeem nthuav tawm ntau thaj chaw UI ib txhij yam tsis muaj pagination. Lub vaj huam sib luag 7-inch muab qhov chaw txaus rau qhov no yam tsis muaj lub zog kos thiab tus nqi ntawm 10-nti panels, uas nyuaj rau kev pom zoo rau ib qho kev ua haujlwm kiosk interface.
Cov ntaub ntawv compatibility.Standard EV charger enclosure tsim los ntawm cov tuam txhab loj (ABB, Schneider, BTC Fais fab) tau sib sau ua ke ntawm kev sib dhos mounting uas haum rau 7-nti vaj huam sib luag sib dhos nrog cov qauv bezel qhov ntev. Retrofitting lub vaj huam sib luag 10-nti rau hauv tsev neeg uas twb muaj lawm feem ntau yuav tsum tau siv cov cuab yeej tshiab; 7-nti panels tsis.
Daim ntawv sib piv rau EV charging zaub:
Loj | Hom Siv Case | Qhov tseem ceeb Advantage | Ntsiab Cai |
4.3–5"
| Basic AC lub tsev chargers, ib zaug - ua haujlwm pawg
| Tsawg zog, tsawg BOM nqi
| UI complexity txwv; OCPP 2.0 tawm tswv yim nyuaj
|
7"
| Public DC ceev chargers, semi-public AC chaw nres tsheb
| Optimal UI density, enclosure-compatible, cost-efficient
| Yuav tsum muaj siab -brightness backlight rau sab nraum zoov siv
|
10.1"+
| Premium hub chargers, ntau-chaw nres nkoj chaw nres tsheb
| High pom kev cuam tshuam, muaj peev xwm tshaj tawm
| Tus nqi siab, loj enclosure, ntau zog kos
|
Brightness thiab Optical Performance: Thawj Field Failure Point
Qhov ci ntsa iab tsis txaus yog qhov ua rau tshwm sim ntau tshaj plaws ntawm cov zaub - hais txog kev tsis txaus siab nyob rau hauv EV charging infrastructure. Ib lub vaj huam sib luag uas ua tau zoo nyob rau hauv qhov kev lees paub ntawm lub tsev khaws khoom yuav ua tsis tiav nyob rau sab hnub tuaj ncaj qha.
Qhov tsawg kawg nkaus brightness pib los ntawm kev teeb tsa ib puag ncig:
Cov qauv kev lag luam (200-300 nits) tsis haum rau txhua daim ntawv thov them nyiaj EV sab nraum zoov. Nyob rau hauv tshav ntuj ncaj qha thaum tav su, ambient illuminance ntawm ib tug kab rov tav nto tuaj yeem ncav cuag 100,000 lux; Txawm tias diffuse sab nraum lub teeb nyob rau ib hnub overcast tshaj 10,000 lux. Ntawm cov theem teeb pom kev zoo no, lub vaj huam sib luag 300-nit tsim qhov sib piv hauv qab 1: 1 tiv thaiv keeb kwm yav dhau, ua rau cov zaub tsis tau nyeem.
Rau kev teeb tsa sab nraum zoov (canopies, chaw nres tsheb nrog lub teeb tsis ncaj): 500-700 nits yog qhov ua tau tsawg kawg nkaus. Rau kev teeb tsa sab nraum zoov uas muaj peev xwm raug tshav ntuj ncaj qha: 800-1000 nits yuav tsum tau. Qee qhov kev loj hauv txoj kev xa tawm hauv siab -qhov siab lossis qis- cheeb tsam latitude qhia 1200 nits rau cov npoo.
Anti-glare tiv thaiv tiv thaiv- kev kho qhov muag pom:
Anti-glare (AG) kev kho deg diffuse reflected lub teeb, txo cov tsom iav qhov muag ntawm tus nqi ntawm me ntsis duab clarity txo. Anti-cov txheej txheem rov qab (AR) txo qhov cuam tshuam los ntawm kev cuam tshuam kev puas tsuaj, khaws cov duab kom pom tseeb tab sis yuav tsum tau ua tib zoo tu cov txheej txheem. Rau EV charging kiosks raug kev tsim txom, tu, thiab UV raug, AG kev kho mob ntawm cov iav npog tawv (tsawg kawg 4 hli tempered, IK08-rated) yog qhov kev xaiv ruaj khov hauv feem ntau xa tawm.
Optical bonding:
Huab cua- qhov sib txawv vaj huam sib luag (npo iav sib cais los ntawm LCD pawg los ntawm txheej huab cua) tsim cov kev xav sab hauv ntawm txhua qhov sib cuam tshuam. Kev sib txuas kho qhov muag - laminating lub hau iav rau LCD pawg nrog OCA (Optically Clear Adhesive) lossis OCR (Optically Clear Resin) - tshem tawm qhov sib txawv ntawm huab cua, txo qhov kev xav sab hauv los ntawm kwv yees li 50% thiab txhim kho qhov zoo sib xws hauv siab -ambient- teeb pom kev zoo. Rau kev siv sab nraum zoov EV charger, kev sib txuas kho qhov muag yog qhov yuav tsum tau ua, tsis yog qhov kev xaiv hloov tshiab. Nws kuj tseem txhim kho kev ua haujlwm ruaj khov tiv thaiv thermal cycling thiab cuam tshuam.
Kev khiav hauj lwm kub: Qhia rau xyoo-Round Outdoor Reliability
EV chargers ua haujlwm tsis tu ncua nyob rau hauv ib puag ncig uas tus qauv coj mus muag zaub vaj huam sib luag tsis tau tsim rau. Qhov tshwm sim ntawm thermal specification yuam kev yog vaj huam sib luag tsis ua hauj lwm nyob rau hauv cov huab cua txias (kua siv lead ua viscosity nce ua rau qeeb teb thiab tso saib artifacts hauv qab no -10℃rau standard panels) thiab backlight tsis ua hauj lwm nyob rau hauv high-temperature ib puag ncig (LED tsav thermal shutdown saum toj no +60℃rau standard backlights).
Temperature specifications:
Specification Tier | Kev khiav hauj lwm ntau | Siv tau ib puag ncig |
Qib lag luam
| 0℃rau +50 degree
| Kev teeb tsa sab hauv tsev nkaus xwb
|
Qib Industrial
| -20℃rau +70 degree
| Feem ntau sab nraum North American thiab European xa tawm
|
Extended industrial
| -30℃rau +85 degree
| Nordic huab cua, Middle East siab -kub xa mus, siab - qhov chaw siab
|
Rau EV charger daim ntawv thov, qib kev lag luam (-20℃rau +70℃) yog qhov tsawg kawg nkaus uas tau lees paub. Extended industrial (-30℃rau +85} degree) yuav tsum tau teev rau installation nyob rau hauv ASHRAE huab cua zones 6–8 (sab qaum teb US, Canada, Scandinavia, Russia) los yog nyob rau hauv cov cheeb tsam uas ambient kub tsis tu ncua tshaj 40 degree.
Thermal tswj kev txiav txim siab:
Vaj huam sib luag kev khiav hauj lwm kub kev ntsuam xyuas yog hais txog lub LCD cell kub, tsis ambient cua kub. Nyob rau hauv qhov ncaj qha tshav ntuj raug tshav kub, enclosure sab hauv kub tuaj yeem tshaj ambient los ntawm 15-25℃nyob ntawm cov khoom siv, xim, thiab qhov cua. Factor no delta thaum qhia txog vaj huam sib luag qhov ntsuas kub ntawm - lub vaj huam sib luag ntsuas rau +70℃nyob rau hauv lub kaw ntom nti dub nyob rau hauv 45℃ambient ib puag ncig tej zaum yuav ua hauj lwm ntawm ntug ntawm nws specification.
Thov derating curves los ntawm cov neeg muag khoom rau lub neej backlight thiab LCD kev ua haujlwm thoob plaws qhov kev ua haujlwm kub. Lub vaj huam sib luag ntsuas rau 50,000 teev ntawm 25℃tuaj yeem xa cov sijhawm tsawg dua ntawm kev ua haujlwm txuas ntxiv +60 degree.
Kov Tshuab: Capacitive Specification rau sab nraum zoov siv
Resistive touch thev naus laus zis tsis haum rau pej xeem EV daim ntawv thov. Nws tsis txhawb ntau- kov gestures, xav kom txhob txwm stylus-zoo li lub siab tsis sib haum nrog kev sib cuam tshuam ntawm kiosk ceev, thiab degrades nyob rau hauv rov siv nyob rau hauv txoj kev uas tsim unreliable kov rau npe. Projected capacitive (PCAP) kov yog cov cuab yeej raug rau daim ntawv thov no.
Qhov tseem ceeb capacitive kov yuav tsum tau rau EV charger daim ntaub ntawv:
Kev ntub dej - kov thiab nag tsis kam.Standard PCAP controllers suppress los yog misread kov input thaum nruam ya raws nyob rau ntawm lub sensor nto, ua rau cov zaub tsis teb los nag los yog tom qab ntxuav. Cov tswj hwm nrog cov dej noo them nyiaj firmware - suav nrog cov kev teeb tsa tshwj xeeb ntawm Ilitek ILI2130, Goodix GT9271 nrog cov dej noo qhib, thiab FocalTech FT5x series nrog dej tsis lees paub firmware - hais qhov no. Txheeb xyuas qhov tshwj xeeb IC thiab firmware version nrog koj tus neeg muag khoom, thiab thov ntub dej -kov cov ntaub ntawv ntsuas (simulating 3-5 mm dej zaj duab xis rau ntawm qhov chaw sensor) ua ntej ua tiav ib qho module.
Gloved- tes ua haujlwm.Kev them nyiaj rau pej xeem yuav tsum haum rau cov neeg siv hnav hnab looj tes lub caij ntuj no, hnab looj tes ua haujlwm, lossis hnab looj tes nitrile. Standard PCAP sensors yog calibrated rau liab qab - ntiv tes capacitance. Controllers nrog adjustable rhiab heev pib (feem ntau: 3-12 pF nrhiav kom tau qhov pib) yuav tsum configured mus ntes lub qis capacitance teeb liab los ntawm gloved ntiv tes. Txheeb xyuas qhov muaj peev xwm no nrog rau tus tswj hwm tshwj xeeb IC thiab paub meej tias lub hnab looj tes tuab rau qhov kev xav tau raug lees paub.
Thick cover iav compatibility.Vandal-kev txhim kho tiv thaiv yuav tsum tau npog iav ntawm 4-6 mm thickness. Standard PCAP sensors yog optimized rau 2-3 hli npog iav. Sensors tsim rau tuab - iav overlays siv siab dua - rhiab heev controller configurations; paub meej tias npog iav thickness compatibility nrog tus kov module tus neeg muag khoom ua ntej qhia meej npog iav thickness.
ESD thiab EMC.EV them ib puag ncig tsim hluav taws xob cuam tshuam loj heev los ntawm siab -voltage switching regulators thiab motor drives. Kov tswj yuav tsum tau teev tseg nrog ESD tiv thaiv rau IEC 61000-4-2 Theem 4 (± 8 kV tiv tauj, ± 15 kV cua tawm) thiab ua / radiated tiv thaiv ib qho IEC 61000-4-3 thiab IEC 61000-4-4. Thov EMC cov ntaub ntawv qhia tshwj xeeb rau kev sib dhos kov module, tsis yog cov ntaub ntawv IC maub los xwb.
Kev xaiv Interface: LVDS, MIPI DSI, thiab RGB rau EV Charger Integration
Interface xaiv nyob ntawm tus tswv tsev processor architecture, sab hauv cable routing nrug, thiab EMC cov cai ntawm tus charger tsim.
LVDS (Low{0}}Voltage Differential Signaling)yog qhov feem ntau interface rau EV charger tso saib daim ntawv thov siv industrial-qib SoCs thiab embedded controllers (NXP i.MX 6/7 series, TI Sitara AM335x, Renesas RZ/G series). LVDS muab lub suab nrov tiv thaiv los ntawm kev sib txawv ntawm qhov sib txawv, ua kom zoo - haum rau qhov siab -EMI sab hauv ib puag ncig ntawm EV charger enclosures qhov twg cable khiav nruab nrab ntawm lub rooj tswj hwm thiab cov zaub yuav ntau dua 30-50 cm. LVDS kuj tau txais kev txhawb nqa los ntawm ntau yam kev lag luam- qib zaub tswj hwm thiab muaj cov neeg tsav tsheb paub tab hauv Linux BSPs rau SoC cov tsev neeg feem ntau siv hauv kev them nyiaj.
MIPI DSIyog qhov tsim nyog rau EV charger designs ua rau ntawm lub xov tooj ntawm tes- tau txais daim ntawv thov processors (Rockchip RK3568, NXP i.MX 8M, Qualcomm SA8155) qhov twg SoC muaj haiv neeg MIPI DSI maub los. MIPI DSI muab cov bandwidth siab dua LVDS (txhawb 1080p ntawm 60 fps nrog cov paj), qis zog siv, thiab cov kab teeb liab tsawg dua. Thawj qhov kev txwv rau EV charger daim ntawv thov yog cable khiav ntev: MIPI DSI tau teev rau board - mus rau - vaj huam sib luag deb ntawm feem ntau nyob rau hauv 20 cm tsis muaj teeb liab txias, uas txwv enclosure layout yooj. Rau cov qauv tsim qhov twg cov zaub yog mounted ntau tshaj 20 cm los ntawm lub party board, LVDS los yog ib tug MIPI DSI redriver IC yog yuav tsum tau.
RGB parallel interfaceyog siv tau rau qis dua -tus nqi microcontroller-raws li charger designs (STM32H7 series, ESP32-S3 nrog sab nraud zaub tsav IC) qhov twg MCU tsis muaj haiv neeg MIPI DSI lossis LVDS cov zis. RGB xav tau cov kab teeb liab ntau dua thiab muaj kev cuam tshuam ntau dua rau EMI ntawm kev siv cable ntev dua li qhov sib txawv ntawm qhov sib txawv, tab sis kev siv tsav tsheb tau zoo -cov ntaub ntawv tau sau tseg thiab kev sib txuas tau txhawb nqa thoob plaws ntau yam ntawm MCU tsev neeg. Rau kev ua raws li EMC nyob rau hauv qhov chaw muaj kev cuam tshuam loj, RGB yuav tsum txwv rau cable khiav qis dua 15 cm nrog FPC shielding kom raug.
Interface xaiv cov ntsiab lus rau EV charger daim ntawv thov:
Interface | Pom zoo siv Case | Cable Run Limit | EMI Kev Tiv Thaiv |
LVDS
| Industrial SoC designs, cable runs >20 cm, siab -EMI ib puag ncig
| 50+ cm nrog kev txiav kom raug
| Siab
|
MIPI DSI
| Txawb- muab tau los ntawm SoC tsim, compact board-rau- tso saib layouts
| <20 cm (without redriver)
| Nruab nrab
|
RGB
| MCU-raws li kev tsim, tus nqi- cov ntawv thov nkag siab
| <15 cm recommended
| Tsawg- Nruab nrab
|
Kev Tiv Thaiv Kev Ntsuas thiab Mechanical Durability
IP65 raws li qhov tsawg kawg nkaus rau sab nraum zoov EV charger qhia.IP65 ntawv pov thawj (ua tiav cov plua plav ingress tiv thaiv, tiv thaiv qis- lub dav hlau dej siab los ntawm txhua qhov kev taw qhia) yog qhov kev tiv thaiv yam tsawg kawg nkaus rau sab nraum zoov- teeb tsa cov rooj sib txoos. IP65 feem ntau ua tiav los ntawm kev sib txuas ntawm kev sib txuas kho qhov muag, kaw lub ntsej muag gasket, thiab kaw FPC tawm txoj kev. Paub meej tias qhov kev ntsuam xyuas IP siv rau kev ua tiav cov khoom sib dhos raws li kev teeb tsa rau koj qhov kev teeb tsa, tsis yog lub hau npog iav lossis LCD module hauv kev sib cais.
Rau kev xa tawm hauv thaj chaw ntug dej hiav txwv, qhov chaw ntxuav tsheb, lossis qhov siab -siab tu qhov xwm txheej, IP67 (ntev immersion) lossis IP66 (siab- dav hlau dej siab) yuav tsum tau. Thov daim ntawv ntsuam xyuas thiab paub meej tias qhov kev xeem ua tau raws li koj qhov chaw teeb tsa.
Kev cuam tshuam tsis kam.Kev them nyiaj rau pej xeem kiosks raug cuam tshuam los ntawm kev them cables, lub laub yuav khoom, thiab txhob txwm ua phem ua qias. IK08- ntsuas npog iav (kuaj kom tiv taus 5-joule cuam tshuam rau IEC 62262) yog qhov tsim nyog rau feem ntau cov kev them nyiaj rau pej xeem. Siab- qhov chaw ua phem phem yuav xav tau IK10 (20-joule qhov ntsuas qhov cuam tshuam). Npog iav cov khoom xaiv (tempered soda-txiv qaub iav piv rau cov tshuaj muaj zog aluminosilicate iav) kuj cuam tshuam rau kev tiv thaiv thiab khawb tsis kam; tham txog kev lag luam tawm nrog koj tus neeg muag khoom raws li qhov tshwj xeeb ntawm kev teeb tsa ib puag ncig.
UV stability.Kev tiv thaiv UV cuam tshuam ua rau LCD polarizer zaj duab xis thiab cov nplaum nplaum, ua rau yellowing, delamination, thiab qhov sib txawv poob rau 3-5 xyoo nyob rau hauv siab -UV ib puag ncig. Rau kev xa tawm sab nraum zoov, qhia txog UV-stabilized cover iav (UV400 thaiv) thiab lees paub nrog tus neeg muag khoom tias OCA/OCR cov khoom sib txuas yog UV- ruaj khov rau cov qauv IEC 62788. Thov UV aging test data (feem ntau 1,000 teev nyob rau hauv UVA-340 teeb ib IEC 60068-2-5) yog tias qhov chaw xa tawm muaj qhov cuam tshuam UV tseem ceeb.
Kev Tswj Xyuas Cov Ntawv Pov Thawj Ua Lag Luam Hauv Ntiaj Teb
CE kos npe(EU kev lag luam) xav kom ua raws li EMC Cov Lus Qhia (2014/30/EU) thiab Cov Lus Qhia Tsawg Voltage (2014/35/EU). Rau cov khoom lag luam tso rau hauv EV cov khoom siv them nyiaj, CE cim ntawm qib module ua kom yooj yim kawg - ntawv pov thawj cov khoom tab sis tsis hloov cov txheej txheem - qib ntsuas. Paub meej tias tus neeg muab khoom lag luam muab Daim Ntawv Tshaj Tawm Txog Kev Ua Raws li cov qauv ntsuas tshwj xeeb raug suav nrog (EN 55032 rau emissions, EN 55035 rau kev tiv thaiv).
UL ntawv pov thawj(North American lag luam) rau cov zaub modules yog tsawg universally muaj tshaj CE tab sis muaj feem xyuam rau EV them cov khoom muag rau hauv Teb Chaws Asmeskas thiab Canadian kev lag luam qhov twg UL teev yuav tsum tau los ntawm hluav taws xob cov cai (NEC Tshooj 625 rau EV them khoom). Paub meej UL xwm txheej nrog cov neeg xa khoom rau North American xa tawm.
RoHS thiab REACH ua rawsyog tus qauv thoob plaws cov khoom lag luam muaj npe nrov thiab yuav tsum muaj rau EU kev lag luam nkag. Thov daim ntawv tshaj tawm tag nrho cov khoom, tsis yog ib daim ntawv qhia ua raws cai, rau cov ntaub ntawv kev yuav khoom.
EMC tshwj xeeb rau EV them ib puag ncig.EV charger enclosures muaj siab -voltage DC/DC converters, contactors, thiab lub cev muaj zog tsav uas tsim ua thiab radiated cuam tshuam thoob plaws ntau zaus. Cov zaub modules yuav tsum ua kom pom kev tiv thaiv rau IEC 61000-4-2 (ESD), IEC 61000-4-3 (kev tiv thaiv hluav taws xob), IEC 61000-4-4 (hluav taws xob nrawm), thiab IEC 61000-4-6 (kev tiv thaiv kab mob). Thov cov ntaub ntawv xeem rau cov qauv tshwj xeeb, tsis yog daim ntawv pov thawj CE ib leeg.
Kev ntsuam xyuas tus neeg muag khoom: Plaub nqe lus nug rau EV Charging Display Procurement
1. Koj qhov kev lees paub lub qab ntug rau qhov module no yog dab tsi?EV charging infrastructure tej yaam num muaj 7-10 xyoo khoom lifecycle cog lus. Vaj huam sib luag EOL (End of Life) cov xwm txheej nruab nrab ntawm -kev tsim khoom tuaj yeem yuam PCB rov tsim kho thiab hloov kho firmware. Nug tshwj xeeb: Puas muaj lub sijhawm kawg - lub sijhawm - yuav qhov kev pab cuam? Puas muaj tus pin- sib txuas txuas txuas txuas txuas ntxiv tau tsim nyog? Lub sijhawm ceeb toom ua ntej yam tsawg kawg nkaus ua ntej EOL yog dab tsi?
2. Koj puas tuaj yeem muab tshuaj tsuag ntsev thiab dav - ntsuas ntsuas kub?Kev kuaj ntsev ntsev (IEC 60068-2-11, feem ntau 96 teev ntawm 5% NaCl) siv tau cov kev tiv thaiv corrosion ntawm FPC connectors thiab hlau Cheebtsam nyob rau hauv ntug hiav txwv dej los yog txoj kev- ntsev ib puag ncig. Kev ntsuas kub ua haujlwm thoob plaws thoob plaws qhov kev khiav hauj lwm tag nrho (tsis yog cia txias) yuav tsum tau sau tseg nrog cov ntaub ntawv ntsuas tiag tiag, tsis yog ib qho kev thov tshwj xeeb.
3. Koj tus MOQ yog dab tsi rau semi- kev cai siab - brightness configurations?Standard catalog modules (taag brightness, standard FPC, tsis muaj optical bonding) feem ntau muaj nyob rau ntawm 200-500 units. Semi-kev cai configurations - optical bonding, siab -brightness backlight upgrade, custom FPC routing - feem ntau nqa MOQs ntawm 500-2,000 units. Tag nrho cov kev cai tooling (tshiab bezel pwm, kev cai npog iav zoo li) feem ntau yuav tsum tau 3,000-5,000 units yam tsawg kawg nkaus nrog cov cuab yeej nqi amortization. Engineering qauv (5-20 units) yuav tsum muaj rau kev tsim nyog ua ntej kev cog lus ntau lawm.
4. Koj puas muab kev pabcuam OEM rau npog iav thiab FPC customization?EV charger enclosures sib txawv nyob rau hauv bezel geometry, mounting tab tso, thiab FPC tawm kev taw qhia. Paub meej tias tus neeg muag khoom tuaj yeem ua raws li kev cai FPC routing, hom connector, thiab npog iav txheej yam tsis tas yuav tsum muaj tag nrho cov kev cai LCD tooling. Ntau lub tuam txhab tsim khoom lag luam muab qhov no ntawm ib nrab - qib MOQ kev cai.
Feem ntau Specification yuam kev hauv EV Charger Display Xaiv
Qhia txog 500 nits rau kev teeb tsa sab nraum zoov.500 nits muab tau txais kev nyeem tau nyob rau hauv qhov ntxoov ntxoo sab nraum zoov tab sis yuav yog marginal nyob rau nruab nrab nruab hnub nrig thiab tsis txaus ntawm qhov siab - qhov siab lossis qis - qhov chaw latitude qhov chaw hnub ci irradiance siab. Rau ib qho kev teeb tsa uas muaj peev xwm raug tshav ntuj ncaj qha, 800 nits yog qhov ua tau yam tsawg kawg nkaus; 1000 nits muab cov npoo rau vaj huam sib luag aging (backlight brightness tsawg dua lub sij hawm, feem ntau 20-30% tshaj 30,000 teev).
Tsis quav ntsej UV stabilization ntawm cov nplaum nplaum.Cov khoom siv LCD polarizer thiab OCA cov khoom sib txuas yog cov khoom muaj feem cuam tshuam rau UV degradation. Yellowing thiab delamination feem ntau pom thaum 2-3 xyoos nyob rau hauv siab -UV ib puag ncig thaum tsis yog-UV- cov ntaub ntawv ruaj khov siv. Tus nqi sib txawv ntawm tus qauv thiab UV- cov ntaub ntawv ruaj khov yog qhov me me rau cov nqi hloov pauv.
Siv cov neeg siv khoom- qib modules hauv kev xa tawm.Cov neeg siv khoom- qib panels (cov ntsiav tshuaj thiab cov khoom siv saib xyuas) tsis yog tsim los rau kev muab khoom txuas ntxiv tshaj li 2-3 xyoos, tsis txhob nqa qhov ntsuas kub ntawm kev lag luam, thiab tsis raug kuaj rau IEC 61000 EMC cov qauv kev tiv thaiv kab mob. Qhov ib -unit nqi sib txawv piv rau industrial- qib modules feem ntau yog $15–40; tus nqi ntawm qhov chaw hloov pauv (kev ua haujlwm, kev mus ncig, lub sijhawm poob) rau qhov ua tsis tiav hauv qhov chaw nres tsheb them nqi yog ntau dua, thiab tus nqi npe nrov ntawm cov khoom siv tsis yog -cov khoom siv rau pej xeem yog qhov nyuaj rau kev suav.
Omitting EMC xeem nyob rau theem system.Cov zaub module nrog CE cim tsis tau lees tias lub charger sib dhos yuav dhau EMC kuaj. Qhov sib thooj ntawm qhov siab -voltage switching Cheebtsam rau cov khoom sib dhos tuaj yeem qhia cov kev cuam tshuam uas tsis tshwm sim thaum lub sijhawm module- qib ntsuas. Npaj rau qhov system- theem EMC kuaj thaum ntxov ntawm lub voj voog tsim, thiab tsim FPC routing thiab shielding nrog radiated emissions nyob rau hauv lub siab los ntawm qhov pib.
FAQ
Q: Dab tsi yog qhov ci ntsa iab ntawm 7-nti TFT LCD xav tau rau kev teeb tsa EV sab nraum zoov?
A: Qhov tsawg kawg nkaus nyob ntawm qhov chaw teeb tsa. Rau qhov chaw sab nraum zoov uas muaj lub teeb tsis ncaj (chaw nres tsheb, chaw nres tsheb): 500-700 nits yog qhov ua tau tsawg kawg nkaus. Rau kev teeb tsa sab nraum zoov uas muaj peev xwm raug tshav ntuj ncaj qha: 800-1000 nits yuav tsum tau. Backlight brightness kuj txo lub sij hawm - feem ntau 20–30% tshaj 30,000 teev ua hauj lwm - yog li qhia kom meej nrog cov laus paj hauv siab. Cov vaj huam sib luag ntsuas ntawm 1000 nits ntawm commissioning feem ntau yuav xa 700-800 nits ntawm qhov kawg ntawm lub teeb pom kev zoo.
Q: Puas yog 7-nti capacitive kov vaj huam sib luag ua haujlwm ruaj khov hauv nag?
A: Nws nyob ntawm tus kov tswj IC thiab firmware teeb tsa. Standard PCAP controllers yuav txwv tsis pub nkag los yog nyeem tsis raug cov tswv yim thaum muaj cov yeeb yaj kiab dej txuas ntxiv rau ntawm qhov chaw sensor. Cov tswj nrog cov dej noo them nyiaj - suav nrog Goodix GT9271 nrog hom dej noo, Ilitek ILI2130, thiab FocalTech FT5x series nrog cov dej tsis lees paub firmware - yog tsim los kom paub qhov txawv ntawm kev xav kov los ntawm dej muaj. Thov ntub-kov cov ntaub ntawv xeem los ntawm koj tus neeg xa khoom ua ntej ua tiav qhov kev xaiv module, thiab lees paub qhov tshwj xeeb firmware version, tsis yog tus qauv IC xwb.
Q: Thaum twg kuv yuav tsum xaiv LVDS tshaj MIPI DSI rau EV charger tsim?
A: LVDS yog qhov kev xaiv zoo dua thaum lub cable khiav nruab nrab ntawm lub rooj tsavxwm thiab tso saib ntau tshaj 20 cm, thaum lub qhov rooj sab hauv muaj EMI tseem ceeb (uas yog ib qho tseem ceeb hauv EV charger designs nrog siab -voltage switching Cheebtsam), los yog thaum lub party processor yog ib qho kev lag luam -qib SoC yam tsis muaj haiv neeg MIPI DSI kev txhawb nqa. MIPI DSI yog qhov tsim nyog rau kev tsim qauv tsim ntawm lub xov tooj ntawm tes- tau txais daim ntawv thov txheej txheem nrog cov neeg tswj hwm MIPI, qhov twg lub rooj tsav xwm - mus rau - vaj huam sib luag deb tsawg dua 20 cm. Rau feem ntau EV charger enclosure layouts, LVDS yog qhov kev xaiv zoo dua.
Q: Dab tsi IP ntsuam xyuas lub rooj sib txoos xav tau rau sab nraum zoov EV charger siv?
A: IP65 yog qhov tsawg kawg nkaus rau kev teeb tsa sab nraum zoov - nws muab tag nrho cov plua plav ingress tiv thaiv thiab tiv thaiv qis - cov dav hlau dej siab los ntawm txhua qhov kev taw qhia, npog los nag thiab kev tu txhua hnub. Rau kev xa mus nyob ze ntawm lub tsheb ntxuav, nyob rau hauv ib puag ncig ntug hiav txwv dej, los yog ntawm qhov chaw uas siv siab - cov cuab yeej ntxuav siab, IP66 (siab- lub dav hlau dej siab) los yog IP67 (ntev immersion) yuav tsum tau. Paub meej tias qhov kev ntsuam xyuas IP siv rau qhov ua tiav cov khoom sib dhos, suav nrog FPC tawm thiab bezel gasket, tsis yog lub hau npog iav hauv kev sib cais.
Q: Cov ntawv pov thawj dab tsi yuav tsum muaj 7-nti zaub module nqa rau EV charger daim ntawv thov?
A: CE cim (nrog rau EN 55032 thiab EN 55035 xeem ntawv qhia) rau EU cov khoom lag luam; UL daim ntawv teev npe lossis kev lees paub rau North American cov khoom lag luam; RoHS thiab REACH cov ntaub ntawv ua raws li EU kev lag luam nkag. Tsis tas li ntawd, rau EV them ib puag ncig tshwj xeeb, lees paub IEC 61000-4-2, -4-3, -4-4, thiab -4-6 cov ntaub ntawv tiv thaiv kab mob - cov no npog ESD, tiv thaiv hluav taws xob, hluav taws xob ceev ceev, thiab kev tiv thaiv kab mob, txhua yam muaj feem cuam tshuam hauv high-voltage EV charger enclosures
Q: Kuv yuav ntsuas li cas seb tus neeg muag khoom puas tuaj yeem txhawb nqa 7-10 xyoo khoom lifecycle?
A: Nug peb lo lus nug tshwj xeeb: (1) Dab tsi yog qhov kev lees paub ntawm lub qab ntug ntawm lub vaj huam sib luag qauv, thiab puas muaj ntaub ntawv ceeb toom txoj cai EOL? (2) Puas muaj tus pin uas tsim nyog- tau txheeb xyuas qhov txuas txuas ntxiv lawm? (3) Puas yog tus neeg muag khoom tsim khoom lossis ncaj qha tswj hwm lawv cov iav ntau lawm, lossis lawv puas muag cov khoom lag luam? Cov neeg muag khoom uas tswj hwm lawv tus kheej lub vaj huam sib luag tuaj yeem ua rau cov khoom cog lus ntev dua thiab tswj kev hloov pauv ntawm EOL ntau dua li cov neeg xa khoom ntawm cov khoom lag luam.
Q: Dab tsi yog qhov txawv ntawm TFT thiab IPS rau daim ntawv thov no?
A: IPS (Nyob rau hauv -Plane Switching) yog hom tshwj xeeb ntawm TFT LCD thev naus laus zis, txawv los ntawm nws cov khoom siv hluav taws xob. Standard TN (Twisted Nematic) TFT panels nthuav tawm xim hloov thiab sib txawv inversion ntawm saib cov ces kaum tshaj li ntawm 30℃los ntawm qhov chaw, uas yog teeb meem rau lub kiosk zaub saib los ntawm ntau lub ces kaum thiab qhov siab. IPS vaj huam sib luag tuav cov xim raug thiab qhov sib piv ntawm 178℃saib lub kaum ntse ntse, uas yog qhov tseeb tshwj xeeb rau pej xeem EV charging interfaces. Rau EV charger qhia, IPS yog qhov tsawg kawg nkaus tau txais TFT vaj huam sib luag technology; TN - hom TFT tsis haum.
Kev xaiv zaub rau EV charging infrastructure yog qhov kev txiav txim siab engineering nrog qhov tshwm sim ncaj qha rau lub sijhawm them nyiaj, kev saib xyuas zaus, thiab cov neeg siv kev paub dhau los ntawm 7-10 xyoo cov khoom lag luam. 7-nti TFT LCD daim ntawv foos tau dhau los ua tus qauv siv rau kev them nyiaj rau pej xeem vim tias nws txaus siab rau kev sib tshuam ntawm ergonomic, mechanical, thiab kev lag luam uas yuav tsum tau txhais daim ntawv thov no.
Cov lus qhia tshwj xeeb uas txiav txim siab qhov kev ntseeg tau ntawm thaj chaw - ci ntsa iab rau kev siv sab nraum zoov, kev ntsuas kub ntawm kev lag luam, ntub- kov muaj peev xwm, LVDS suab tiv thaiv, tiv thaiv IP65, thiab UV- ruaj khov kho qhov muag sib txuas - tsis pom nyob rau hauv cov ntaub ntawv xov xwm. Lawv xav tau kev pom zoo meej nrog cov neeg muag khoom, txhawb nqa los ntawm cov ntaub ntawv xeem es tsis yog kev thov tshwj xeeb ib leeg.
Yog tias koj tab tom ntsuas 7-nti zaub modules rau daim ntawv thov kev them nyiaj EV, peb pab neeg ua haujlwm tuaj yeem muab cov ntaub ntawv, EMC cov ntaub ntawv xeem, thiab cov qauv tsim nyog. Tiv tauj peb nrog koj qhov chaw teeb tsa (sab hauv tsev / sab nraum zoov, thaj chaw huab cua), tus tswv tsev processor platform, xav tau qhov ci ntsa iab, thiab IP ntsuas qhov yuav tsum tau pib txheej txheem ntsuas.
