{"id":3972,"date":"2021-12-06T01:12:57","date_gmt":"2021-12-06T01:12:57","guid":{"rendered":"https:\/\/www.ahotech.com\/?page_id=3972"},"modified":"2021-12-06T01:12:58","modified_gmt":"2021-12-06T01:12:58","slug":"solenergi-hpc1520er14250-perfekta-dubbla-stromforsorjningslosningar-for-obu-av-etc-systemet","status":"publish","type":"page","link":"https:\/\/www.ahotech.com\/sv\/solar-energyhpc1520er14250-perfect-dual-power-supply-solutions-for-the-obu-of-etc-system\/","title":{"rendered":"Solenergi+HPC1520+ER14250\u2014\u2014Perfekta dubbla str\u00f6mf\u00f6rs\u00f6rjningsl\u00f6sningar f\u00f6r OBU i ETC-system"},"content":{"rendered":"

Sammanfattning: Med den snabba utvecklingen av v\u00e4gbyggen och \u00f6kningen av bil\u00e4gande i Kina \u00e4r det sv\u00e5rt f\u00f6r det traditionella v\u00e4gtullssystemet att m\u00f6ta utvecklingsbehoven. D\u00e4rf\u00f6r \u00e4r det intelligenta elektroniska v\u00e4gtullssystemet (ETC) f\u00f6r transport ett effektivt s\u00e4tt att l\u00f6sa problemet, och den inbyggda OBU:n \u00e4r en viktig del av ETC-systemet. Denna artikel ger en kort beskrivning av OBU:ns arbetsegenskaper och str\u00f6mf\u00f6rbrukningsl\u00e4ge i transaktionsprocessen, och utvecklar en dubbel str\u00f6mf\u00f6rs\u00f6rjningsl\u00f6sning med ER14250 (1400mAh) + HPC1520+ solpaneler med h\u00f6g tillf\u00f6rlitlighet och l\u00e5ng livsl\u00e4ngd samt h\u00f6g effekt baserat p\u00e5 OBU:ns praktiska till\u00e4mpningsegenskaper och f\u00f6rdelarna och nackdelarna med str\u00f6mbehovet. Genom marknadstester kan l\u00f6sningen m\u00f6ta OBU:ns arbetsbehov v\u00e4l, vilket \u00e4r b\u00e4ttre \u00e4n andra alternativ.<\/p>\n\n\n\n

Nyckelord: ETC-system; Inbyggd OBU-enhet; ER14250 + HPC1520 + Kapacitiv str\u00f6mf\u00f6rs\u00f6rjning f\u00f6r fotovoltaiskt kompositbatteri; Dubbel str\u00f6mf\u00f6rs\u00f6rjning; L\u00e5ngsiktig tillf\u00f6rlitlighet<\/p>\n\n\n\n

I. \u00d6versikt \u00f6ver ETC<\/p>\n\n\n\n

Det elektroniska v\u00e4gtullssystemet \u00e4r v\u00e4rldens mest avancerade v\u00e4gtullssystem f\u00f6r v\u00e4gar och broar. Genom mikrov\u00e5gsbaserad kortdistanskommunikation mellan den elektroniska OBU-bricka som \u00e4r installerad p\u00e5 fordonets vindruta och mikrov\u00e5gsantennen i v\u00e4gtullsstationens ETC-fil, anv\u00e4nder den datorn\u00e4tverksteknik och bankens avvecklingsprocessen i bakgrunden, f\u00f6r att f\u00e5 fordonet att passera v\u00e4g- och brotullsstationen utan parkering och kan uppn\u00e5 syftet med v\u00e4g- och broavgifter. H\u00f6gk\u00e4nsliga OBU-systemmoduler kan delas in i tre arbetsl\u00e4gen: vilande, f\u00f6re handel och p\u00e5g\u00e5ende handel. F\u00f6r\u00e4ndringen i kommunikationstillst\u00e5nd \u00e5terspeglar OBU:ns transaktionsstatus n\u00e4r den passerar genom ETC-systemet. Och den st\u00f6rsta str\u00f6mf\u00f6rbrukningen i hela handelsprocessen \u00e4r kortl\u00e4sningsprocessen i handelsl\u00e4ge, och den momentana str\u00f6mmen kan n\u00e5 mer \u00e4n 150 mA.<\/p>\n\n\n\n

II. Analys av str\u00f6mf\u00f6rbrukning och livsl\u00e4ngd f\u00f6r OBU i praktisk till\u00e4mpningsmilj\u00f6<\/p>\n\n\n\n

Enligt egenskaperna hos OBU-str\u00f6mf\u00f6rs\u00f6rjningen i ETC m\u00e5ste den inte bara uppfylla urladdningskraven f\u00f6r extremt utomhusv\u00e4der som vinter (-40 \u2103) i nord\u00f6stra Kina, sommar (+85 \u2103) i sydv\u00e4stra Kina och h\u00f6g luftfuktighet (85%RH) i syd\u00f6stra kustomr\u00e5den, utan ocks\u00e5 kraven p\u00e5 l\u00e5ng livsl\u00e4ngd, h\u00f6g tillf\u00f6rlitlighet, s\u00e4kerhet och milj\u00f6skydd samtidigt. Dessutom kr\u00e4ver den ocks\u00e5 omedelbara stora str\u00f6mpulser f\u00f6r str\u00f6mf\u00f6rs\u00f6rjningen. I genomsnitt handlas den stora majoriteten av OBU p\u00e5 den nuvarande kinesiska marknaden mindre \u00e4n 10 g\u00e5nger eller till och med mindre \u00e4n 1 g\u00e5ng per dag. Ber\u00e4knat fr\u00e5n str\u00f6mf\u00f6rbrukningsdata uppm\u00e4tt i laboratoriet, s\u00e5 l\u00e4nge str\u00f6mf\u00f6rs\u00f6rjningen har en kapacitet p\u00e5 mer \u00e4n 1000 mAh, kan den teoretiskt uppn\u00e5 totalt 20 000 transaktioner och en livsl\u00e4ngd p\u00e5 mer \u00e4n 5 \u00e5r.<\/p>\n\n\n\n

III. J\u00e4mf\u00f6relse av OBU-str\u00f6mf\u00f6rs\u00f6rjningsl\u00f6sningar<\/p>\n\n\n\n

3.1 Uppladdningsbara batterier + solcellsbatterier<\/p>\n\n\n\n

De har egenskaper som l\u00e5g materialkostnad, h\u00f6g urladdningsstr\u00f6m, h\u00f6g sj\u00e4lvurladdningshastighet, smalt till\u00e4mpligt temperaturomr\u00e5de, l\u00e5g kapacitetsretention, komplexa str\u00f6mhanteringskretsar, solbatterier + sp\u00e4nningsomvandlingschip, h\u00f6g omvandlingseffektivitet, god sp\u00e4nningsstabiliseringsprestanda, h\u00f6gt pris p\u00e5 sp\u00e4nningsomvandlingschip, st\u00f6rningar i OBU-elledningar.<\/p>\n\n\n\n

3.2 ER14250+HPC1520+solceller (som visas i figuren):<\/p>\n\n\n\n

De har egenskaper som h\u00f6g tillf\u00f6rlitlighet, brett driftstemperaturomr\u00e5de, l\u00e5g sj\u00e4lvurladdningshastighet och begr\u00e4nsad uteffekt f\u00f6r stora str\u00f6mpulser. F\u00f6r att l\u00f6sa problemet med OBU-str\u00f6mf\u00f6rs\u00f6rjningens s\u00e4kerhet, tillf\u00f6rlitlighet och milj\u00f6anpassningsf\u00f6rm\u00e5ga hos intelligenta transportsystem (ETC) har Shenzhen Langsheng New Energy Technology Co., Ltd. designat och utvecklat en kompositstr\u00f6mf\u00f6rs\u00f6rjning som kombinerar litium-tionylkloridbatterierna ER14250 (kapacitet 1400 mAh) med h\u00f6g energit\u00e4thet som reservstr\u00f6mf\u00f6rs\u00f6rjning och batterikondensatorn HPC1520 med h\u00f6ga effektegenskaper enligt den dubbla str\u00f6mf\u00f6rs\u00f6rjningsl\u00f6sningen med utomhustemperaturkollektor som har anv\u00e4nts i fem \u00e5r. Kompositstr\u00f6mf\u00f6rs\u00f6rjningen har egenskaper som l\u00e5ng livsl\u00e4ngd, h\u00f6g effekt, s\u00e4kerhet och tillf\u00f6rlitlighet, drift vid breda temperaturer etc., s\u00e4rskilt l\u00e4mplig f\u00f6r utomhusmilj\u00f6er med l\u00e5g och h\u00f6g temperatur, och den har ocks\u00e5 egenskaper som h\u00f6g pulseffekt fr\u00e5n HPC-batterikondensatorn och h\u00f6g tillf\u00f6rlitlighet och l\u00e5ng livsl\u00e4ngd f\u00f6r ER-litium-tionylkloridbatterier. Generellt sett laddas HPC1520 av ett solcellsbatteri. N\u00e4r stora str\u00f6mpulser beh\u00f6vs tillf\u00f6rs str\u00f6m direkt fr\u00e5n HPC-batterikondensatorn. Medan solcellerna inte fungerar laddar litiumtionylkloridbatteriet h\u00f6gpresterande dator (HPC) med en liten str\u00f6m, s\u00e5 att litiumtionylkloridbatteriets kapacitet kan frig\u00f6ras helt under en liten str\u00f6m och maximalt utnyttjande av batterikapaciteten kan uppn\u00e5s. Denna arbetsprincip \u00f6verensst\u00e4mmer ocks\u00e5 med kraven f\u00f6r intermittent drift av OBU-str\u00f6mf\u00f6rs\u00f6rjning.<\/p>\n\n\n\n

\"kondensatorbatteri<\/figure>\n\n\n\n

\u2163. Sp\u00e5rningsutv\u00e4rdering av l\u00e5ngsiktig tillf\u00f6rlitlighet<\/p>\n\n\n\n

4.1 Test av prestandatillf\u00f6rlitlighet<\/p>\n\n\n\n

Huruvida den sammansatta str\u00f6mf\u00f6rs\u00f6rjningen kan ge stabil utkapacitet under OBU:ns hela livscykel \u00e4r en fr\u00e5ga som m\u00e5ste uppm\u00e4rksammas i praktiska till\u00e4mpningar. HPC1520, som har anv\u00e4nts i inbyggda OBU-enheter i ETC-system p\u00e5 marknaden i fem \u00e5r, togs in f\u00f6r att utf\u00f6ra urladdningsprestandatester med ett nytt batteri: -10 \u2103 800 mA, 10 ms\/1 min, j\u00e4mf\u00f6rt med prestandaf\u00f6r\u00e4ndringarna f\u00f6r HPC1520 enligt f\u00f6ljande: Genom tester och j\u00e4mf\u00f6relser har det visat sig att HPC1520 har fungerat i fem \u00e5r vid l\u00e5g temperatur -10 \u2103, och lastsp\u00e4nningen p\u00e5 800 mA pulsurladdning \u00e4r n\u00e5got l\u00e4gre \u00e4n den nya lastsp\u00e4nningen p\u00e5 0,1 V, men den har fortfarande f\u00f6rm\u00e5gan att ge pulsurladdning av h\u00f6g str\u00f6m i praktisk till\u00e4mpning.<\/p>\n\n\n\n

4.2 Test av l\u00e5ngsiktig tillf\u00f6rlitlighet<\/p>\n\n\n\n

Den inbyggda OBU-enheten som \u00e4r installerad i fordonets vindruta befinner sig i en sluten utomhusmilj\u00f6 under en l\u00e4ngre tid. F\u00f6r att b\u00e4ttre kunna utv\u00e4rdera tillf\u00f6rlitligheten hos kompositstr\u00f6mf\u00f6rs\u00f6rjningens prestanda under s\u00e5dana anv\u00e4ndningsf\u00f6rh\u00e5llanden \u00e4r det n\u00f6dv\u00e4ndigt att placera batteripaketet i ett glasrum f\u00f6r att utf\u00f6ra solexperiment f\u00f6r att simulera de faktiska arbetsf\u00f6rh\u00e5llandena och f\u00f6r att h\u00e5lla reda p\u00e5 f\u00f6r\u00e4ndringar i batteriets prestanda under dessa lagringsf\u00f6rh\u00e5llanden. Genom l\u00e5ngtidssp\u00e5rning i solexperimentet f\u00f6rblir b\u00e5de tomg\u00e5ngssp\u00e4nningen och lastsp\u00e4nningen f\u00f6r kompositstr\u00f6mf\u00f6rs\u00f6rjningen stabila. Dessutom finns det inget trasigt batteri, vilket kan bibeh\u00e5lla en h\u00f6g tillf\u00f6rlitlighet enligt aktuell faktisk lagringsdata p\u00e5 450 dagar. Arrhenius formel visar att reaktionshastighetskonstanten \u00e4r exponentiellt relaterad till temperaturen, vilket inneb\u00e4r att hastigheten f\u00f6r kemisk reaktion \u00f6kar med 2 till 4 g\u00e5nger f\u00f6r varje 10 graders temperatur\u00f6kning, och 200 dagars lagring vid 60 \u2103 motsvarar 10 \u00e5r i rumstemperatur. Genom l\u00e5ngtidssp\u00e5rning av lagringsexperimentet vid 60 \u2103 f\u00f6rblir b\u00e5de tomg\u00e5ngssp\u00e4nningen och lastsp\u00e4nningen f\u00f6r kompositstr\u00f6mf\u00f6rs\u00f6rjningen stabila. Och baserat p\u00e5 aktuella data p\u00e5 300 dagar (motsvarande 15 \u00e5rs lagring i rumstemperatur) finns det inget batterifel, vilket kan ge en mycket stabil str\u00f6mutg\u00e5ngskapacitet.<\/p>\n\n\n\n

\u2164. Sammanfattning av ans\u00f6kan<\/p>\n\n\n\n

ER14250+HPC1520+fotovoltaiska batterier, den h\u00e4r kompositstr\u00f6mf\u00f6rs\u00f6rjningsl\u00f6sningen med dubbla str\u00f6mf\u00f6rs\u00f6rjningar har egenskaper som fullst\u00e4ndig t\u00e4tning, brett temperaturomr\u00e5de, l\u00e5g sj\u00e4lvurladdningshastighet, l\u00e5ng livsl\u00e4ngd, h\u00f6g tillf\u00f6rlitlighet, l\u00e5g vikt, s\u00e4ker design etc., vilket har framg\u00e5ngsrikt anv\u00e4nts i olika produkter inom intelligenta transportsystem. Genom l\u00e5ngsiktiga tester p\u00e5 marknaden har dess stabilitet blivit allm\u00e4nt erk\u00e4nd och den \u00e4r att f\u00f6redra genom att j\u00e4mf\u00f6ra prestanda med andra.<\/p>","protected":false},"excerpt":{"rendered":"

Abstract: With the rapid development of highway construction and the increase of automobile ownership in China, the traditional collection system is difficult to meet the development needs. Thus the intelligent transportation electronic toll collection system (ETC) is one of the effective means to solve the problem, and the on-board equipment OBU is an important part […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-3972","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nSolar Energy+HPC1520+ER14250\u2014\u2014Perfect Dual Power Supply Solutions for the OBU of ETC System - Ahotech.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ahotech.com\/sv\/solenergi-hpc1520er14250-perfekta-dubbla-stromforsorjningslosningar-for-obu-av-etc-systemet\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Solar Energy+HPC1520+ER14250\u2014\u2014Perfect Dual Power Supply Solutions for the OBU of ETC System - Ahotech.com\" \/>\n<meta property=\"og:description\" content=\"Abstract: With the rapid development of highway construction and the increase of automobile ownership in China, the traditional collection system is difficult to meet the development needs. 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