Nhanganyaya: Simba bhatiri manejimendi system (BMS) inoita basa rakakosha mukuona kuchengetedzeka uye hupenyu hwesevhisi yemagetsi emotokari bhatiri packs uye nekuwedzera kushanda kwebhatiri system. Kazhinji, iyo yega voltage, yakazara voltage, yakazara ikozvino uye tembiricha inotariswa uye sampuli munguva chaiyo, uye chaiyo-nguva ma paramita anodzoserwa kumutyairi wemotokari.
Kana simba rekugadzirisa bhatiri rinokundikana, kutarisa kwebheteri kucharasika, uye mamiriro ekubhadhara kwebheteri haagoni kufungidzirwa. kunyange kutyaira kuchengeteka.
Inotevera inonyora mhando dzekukanganisa dzakajairwa dzemagetsi emagetsi emagetsi bhatiri manejimendi masisitimu, uye inoongorora muchidimbu zvingakonzeresa, uye inopa zvakajairwa kuongororwa mazano uye nzira dzekugadzirisa dzekutarisa.
Common kukanganisa mhando uye nzira dzekurapa dzesimba bhatiri manejimendi system
Dzakajairwa mhando dzesimba bhatiri manejimendi system (BMS) dzinosanganisira: CAN system yekukanganisa kutadza, BMS kusashanda nemazvo, abnormal voltage acquisition, abnormal tembiricha yekutora, insulation kukanganisa, yakazara mukati nekunze voltage kuyerwa kukanganisa, pre-charge kukanganisa, kusakwanisa kuchaja. , abnormal ikozvino kuratidza kukanganisa, yakakwira voltage interlock kutadza, nezvimwe.
1. KUNOGONA kutadza kutaurirana
Kana CAN tambo kana tambo yemagetsi ikabviswa, kana terminal ikabviswa, zvinokonzeresa kutadza kutaurirana. Mune mamiriro ekuona iyo yakajairwa magetsi eiyo BMS, gadzirisa iyo multimeter kune DC voltage giya, bata tsvuku bvunzo inotungamira kune yemukati CANH, uye dema bvunzo inotungamira kubata iyo yemukati CANL, uye kuyera inobuda voltage mutsara wekukurukurirana, kureva, voltage pakati peCANH neCANL mukati memutsara wekutaurirana. Iyo yakajairika voltage kukosha ndeye 1 kusvika 5V. Kana kukosha kwevoltage kusiri kujairika, zvinogona kutongwa kuti iyo BMS Hardware haina kunaka uye inoda kutsiviwa.
2. BMS haisi kushanda nemazvo
Kana chiitiko ichi chikaitika, zvinotevera zvinogona kutariswa zvakanyanya:
(1) Magetsi emagetsi eBMS: Chekutanga, yera kana magetsi emagetsi emotokari kuenda kuBMS ane chinobuda chakagadzikana pane chinongedzo chemotokari.
(2) Kusavimbika kwekubatana kweCAN mutsara kana pasi-voltage simba mutsara: Kusavimbika kwekubatana kweCAN mutsara kana mutsara wekubuda kwemagetsi kunokonzera kukanganisa kutaurirana. Mutsara wekukurukurirana uye mutsara wemagetsi kubva kubhodhi guru kusvika kubhodhi revaranda kana bhodhi yepamusoro-voltage inofanira kuongororwa. Kana iyo yakabviswa wiring harness inowanikwa, inofanira kutsiviwa kana kubatanidzwa zvakare.
(3) Kudzosa kana kukuvadzwa kwechibatanidza: Kudzokororwa kwe-low-voltage communication aviation plug kuchaita kuti bhodhi revaranda risave nesimba kana data kubva kubhodhi revaranda kuti isakwanise kuendeswa kubhodhi guru. Iyo plug nekubatanidza zvinofanirwa kutariswa nekutsiviwa kana zvikaonekwa zvakadzoserwa kana kukuvadzwa.
(4) Dzora bhodhi guru: shandura bhodhi rekutarisa, uye mushure mekutsiva, kukanganisa kunobviswa uye kunotarirwa kuti pane dambudziko nebhodhi guru.
3. Abnormal voltage acquisition
Kana abnormal voltage acquisition ikaitika, anotevera mamiriro anofanirwa kutariswa:
(1) Bhatiri pachayo iri pasi pevolti: enzanisa kukosha kweiyo voltage yekutarisa nevolti kukosha chaiko yakayerwa nemultimeter, uye tsiva bhatiri mushure mekusimbiswa.
(2) Mabhaudhi akasununguka ekusimbisa mabhaudhi emutsetse wekuunganidza kana kusabatana kwakashata pakati pemutsara wekuunganidza uye materminal: Mabhaudhi asina kusimba kana kusabatana kwakashata pakati pematerminals kunotungamira mukuunganidzwa kwemagetsi kwesero rimwe chete. Panguva ino, zunza zviteshi zvekuunganidza zvinyoro, uye mushure mekusimbisa varombo kuonana, simbisa kana kutsiva nzvimbo dzekuunganidza. Waya.
(3) Fuse yemutsara wekuunganidza yakakuvadzwa: kuyera kushorwa kwefuse, kana iri pamusoro pe l S2, inoda kuchinjwa.
(4) Dambudziko rekuona bhodhi revaranda: Simbisa kuti magetsi akaunganidzwa haaenderani nemhepo chaiyo. Kana iyo yakaunganidzwa voltage yemamwe mabhodhi evaranda ichienderana nebhatiri voltage, zvinodikanwa kutsiva bhodhi revaranda uye kuunganidza pane-saiti data, verenga nhoroondo yekukanganisa data, uye ongorora.
4. Kuunganidzwa kwekushisa kusina kujairika
Kana kuunganidzwa kwekushisa kusingaite kunoitika, tarisa pane zvinotevera mamiriro:
(1) Kutadza tembiricha sensor: Kana imwe tembiricha data isipo, tarisa yepakati butt plug. Kana pasina hukama husina kujairika, inogona kutariswa kuti sensor yakakuvadzwa uye inogona kutsiviwa.
(2) Kubatana kweiyo tembiricha sensor wiring harness haina kuvimbika: Tarisa iyo yepakati butt plug kana tembiricha sensor wiring harness yechiteshi chekudzora, kana ikaonekwa yakasununguka kana kudonha, iyo wiring harness inofanira kutsiviwa.
(3) Pane kutadza kwehardware muBMS: Iyo yekutarisa inoona kuti BMS haigone kuunganidza tembiricha yechiteshi chese, uye inosimbisa kuti wiring harness kubva kune yekudzora harness kuenda kune adapta kune tembiricha sensor probe inowanzobatanidzwa, ipapo. inogona kutsanangurwa sedambudziko reBMS hardware, uye bhodhi revaranda rinoenderana rinofanira kutsiviwa.
(4) Kana kurodhazve magetsi mushure mekutsiva bhodhi revaranda: Rekodhazve magetsi mushure mekutsiva bhodhi revaranda rine mhosva, zvikasadaro kukosha kwekutarisa kucharatidza kusajairika.
5. Insulation kukundikana
Mune simba bhatiri manejimendi system, iyo yemukati musimboti weiyo yekubatanidza yekushanda wiring harness ipfupi-yakatenderedzwa neiyo yekunze casing, uye iyo yakakwira-voltage mutsara yakakuvadzwa uye muviri wemotokari wakapfupika-kutenderera, izvo zvinozotungamira mukutadza kwekuvhara. . Tichifunga nezvemamiriro ezvinhu aya, nzira dzinotevera dzinoshandiswa kuongorora kuongororwa uye kugadzirisa:
(1) Kudonha kwe-high-voltage load: Bvisa DC / DC, PCU, charger, air conditioner, nezvimwewo munhevedzano kusvikira kukanganisa kwagadziriswa, uye wozotsiva zvikamu zvisina kunaka.
(2) Yakakuvadzwa mitsetse yakakwira-voltage kana zvibatanidza: shandisa megohmmeter kuyera, uye tsiva mushure mekutarisa nekusimbisa.
(3) Mvura mubhokisi rebhatiri kana kubuda kwebhatiri: Rasa mukati mebhokisi rebhatiri kana kutsiva bhatiri.
(4) Yakakuvadzwa voltage yekuunganidza mutsara: Tarisa mutsetse wekuunganidza mushure mekusimbisa kuvuza mukati mebhokisi rebhatiri, uye woitsiva kana paine kukuvara kwawanikwa.
(5) High-voltage board inoona alarm yenhema: shandura bhodhi repamusoro-voltage, uye mushure mekutsiviwa, kukanganisa kunobviswa, uye kukanganisa kwepamusoro-voltage board kunowanikwa.
6. Nesab yakazara voltage yekuona kutadza
Zvikonzero zvekutadza kuona kwemagetsi ese zvinogona kukamurwa kuita: kusununguka kana kudonha pakati pemutsara wekutora uye terminal, zvichikonzera kutadza kwekutora kwemagetsi; yakasununguka nati inotungamira mukubatidza uye kutadza kwekutora voltage kwese; loose high-voltage connectors inotungamira pakubatidza uye kutadza kuona kwevoltage yese ;Maintenance switch inodzvanywa kuti ikonzerese kutadza kutora kumanikidza, etc. Muchiito chekuongorora, kugadzirisa kunogona kuitwa zvinoenderana nenzira dzinotevera:
(1) Iyo terminal yekubatanidza kumagumo ese eiyo yakazara voltage yekuunganidza mutsara haina kuvimbika: shandisa multimeter kuyera iyo yakazara voltage yenzvimbo yekuona uye kuienzanisa neiyo yakazara monitoring voltage, uye wotarisa dunhu rekuona kuti rakabatana. haina kuvimbika, uye simbisa kana kuitsiva.
(2) Kubatana kusina kujairika kwe-high-voltage circuit: shandisa multimeter kuyera iyo yakazara kudzvinyirirwa kwenzvimbo yekuona uye kumanikidzika kwese kwenzvimbo yekutarisa, uye kuenzanisa, uye wozotarisa magadzirirwo ekugadzirisa, mabhoti, zvibatanidza, inishuwarenzi, nezvimwe zvakadaro. .
(3) High-voltage board yekuona kutadza: Enzanisa iyo chaiyo yakazara dzvinyiriro neyakatariswa yakazara kumanikidza. Mushure mekutsiva iyo yakakwirira-voltage bhodhi, kana iyo yakazara kumanikidza inodzokera kune yakajairika, inogona kutariswa kuti yakakwirira-voltage bhodhi yakashata uye inofanira kutsiviwa.
7. Precharge kukundikana
Zvikonzero zvekutadza kusati kwachaja zvinogona kukamurwa kuita: iyo yekunze yakazara voltage yekuunganidza terminal yakasununguka uye inodonha, izvo zvinotungamira kune pre-charge kutadza; iyo main board control line haina 12V voltage, izvo zvinoita kuti pre-charging relay isavhara; iyo pre-charging resistance yakakuvadzwa uye pre-charging inokundikana. Yakasanganiswa nemotokari chaiyo, kuongororwa kunogona kuitwa maererano nezvikamu zvinotevera.
(1) Kukundikana kwekunze kwe-high-voltage components: Apo BMS inoshuma kukanganisa kusati kwatanga, mushure mokubvisa huwandu hwakanaka uye husina kunaka zvachose, kana iyo yekutanga-charging ichibudirira, kukanganisa kunokonzerwa nekunze kwepamusoro-voltage zvikamu. Tarisa iyo yakakwirira-voltage junction bhokisi uye PCU muzvikamu.
(2) Dambudziko guru rebhodhi harigoni kuvhara pre-charging relay: tarisa kana pre-charging relay ine 12V voltage, kana zvisingaiti, shandura bhodhi guru. Kana iyo pre-charging ichibudirira mushure mekutsiviwa, zvinotarirwa kuti bhodhi guru rakashata.
(3) Kukuvadzwa kwefuse huru kana pre-charging resistor: kuyera kuenderera uye kuramba kwefiyuzi isati yachaja, uye tsiva kana zvisina kujairika.
(4) Kuona kutadza kwekunze kwekumanikidza kweiyo yakakwira-voltage board: Mushure mekunge bhodhi repamusoro-voltage ratsiviwa, pre-charging inobudirira, uye kukanganisa kweiyo-high-voltage board inogona kutsanangurwa, uye inogona yakatsiviwa.
8. Kutadza kuchaja
Chiitiko chekusakwanisa kuchaja chinogona kupfupikiswa mune maviri anotevera mamiriro: imwe ndeyekuti materminal eCAN mutsara kumagumo ese echibatanidza anobviswa kana kudonhedzwa, zvichikonzera kutadza kutaurirana pakati pebhodhi reamai nechaja, zvichikonzera. mukusakwanisa kubhadharisa; imwe yacho ndeyekuti kukuvadzwa kweinishuwarenzi yekuchaja kuchaita kuti dunhu rekuchaja rikundike kuumba. , kuchaja hakugone kupedzwa. Kana mota isingabhadharwe panguva yekuongororwa kwemota chaiko, unogona kutanga kubva pane zvinotevera zvinhu kugadzirisa kukanganisa:
(1) Ijaja uye bhodhi guru hazvitauri zvakajairwa: shandisa chiridzwa kuverenga data rekushanda reCAN system yemotokari yese. Kana pasina charger kana BMS iri kushanda data, tarisa CAN yekutaurirana wiring harness nekukasika. Kana chinongedzo chiri mukubata kwakashata kana mutsara wakanganiswa, enderera nekukurumidza. repair.
(2) Mhosva yejaja kana bhodhi huru haigone kutanga zvakajairika: tsiva charger kana main board, wozorodha zvakare voltage. Kana ichigona kubhadhariswa mushure mekutsiviwa, zvinogona kutariswa kuti charger kana main board yakashata.
(3) BMS inoona kukanganisa uye haibvumiri kubhadharisa: tonga rudzi rwechikanganiso kuburikidza nekutarisa, uye wozogadzirisa kukanganisa kusvikira kubhadharisa kwabudirira.
(4) Fuse yekuchaja yakakuvadzwa uye haigone kuumba dunhu rekuchaja: shandisa multimeter kuti uone kuenderera kweiyo fuse yekuchaja, uye shandura iyo pakarepo kana isingakwanisi kuvhurwa.
9. Chiratidzo chemazuva ano chisina kujairika
Iyo terminal yesimba bhatiri manejimendi system yekudzora wiring harness inodonhedzwa kana bhaudhi yakasununguka, uye pamusoro peiyo terminal kana bhaudhi yakashongedzwa, izvo zvinotungamira kune zvikanganiso zvazvino. Kana kuratidzwa kwazvino kusiri kwemaitiro, kuiswa kweiyo ikozvino yekuunganidza mutsara kunofanirwa kuongororwa zvizere uye zvakadzama.
(1) Mutsara wekuunganidza ikozvino hauna kunyatsobatanidzwa: panguva ino, maitiro akanaka uye asina kunaka achadzorerwa shure, uye kutsiva kunogona kuitwa;
(2) Kubatana kwemutsara wekuunganidza ikozvino hakuna kuvimbika: kutanga, iva nechokwadi chokuti mhepo yakakwirira-voltage ine simba rakagadzikana, uye kana ikozvino yekutarisa ichichinja zvikuru, chengetedza mutsara wekuunganidza ikozvino kumativi ose maviri e shunt, uye simbisa. mabhaudhi pakarepo kana akaonekwa kuti akasununguka.
(3) Ziva oxidation yenzvimbo yekupedzisira: Chekutanga, ita shuwa kuti iyo yakakwira-voltage dunhu ine yakagadzikana ikozvino, uye kana iyo yekutarisa ikozvino yakadzikira pane chaiyo ikozvino, ona kana pane oxide layer pamusoro iyo terminal kana bhaudhi, uye bata pamusoro kana iripo.
(4) Kuonekwa kusina kujairika kwe-high-voltage board ikozvino: Mushure mokubvisa shanduko yekugadzirisa, kana iyo yekutarisa ikozvino kukosha iri pamusoro pe0 kana 2A, ikozvino kuonekwa kwe-high-voltage board haina kunaka, uye bhodhi yepamusoro-voltage inofanira kuchinjwa. .
10. High voltage interlock kukundikana
Kana giya re ON rabatidzwa, pima kana pane yakakwira voltage inopinza pano, tarisa kana materminal mana akavharwa zvakasimba, uye ona kana pane 12V voltage pamagumo ekutyaira (waya yakatetepa iwaya yekutyaira). Zvinoenderana nemamiriro ezvinhu chaiwo, inogona kukamurwa muzvikamu zvitatu zvinotevera:
(1) DC / DC kukanganisa: kuyera iyo DC / DC yakakwira-voltage yekupinza mweya plug kuti uone kana paine yenguva pfupi yakakwira voltage kana ON giya rakabatidzwa, kana iripo, yakatemwa kuve DC/ DC kukanganisa uye inofanira kutsiviwa.
(2) Zviteshi zveDC / DC relay hazvina kuvharirwa zvakasimba: tarisa nzvimbo dzakakwirira uye dzakaderera dzemagetsi erelay, uye re-plug materminals kana asina kuvimbika.
(3) Kukundikana kwebhodhi guru kana bhodhi readapta rinokonzera kuti DC / DC relay isavhare: Kuyera kupera kwemagetsi emagetsi eDC / DC relay, vhura ON block uye hapana 12V voltage kwenguva pfupi, wozotsiva bhodhi guru kana bhodhi readapter.
Nguva yekutumira: May-04-2022