Yepamusoro-Voltage Connectors inosangana sei nezvinodiwa zveNew Energy Vehicle Transmission Systems?

Yepamusoro-Voltage Connectors inosangana sei nezvinodiwa zveNew Energy Vehicle Transmission Systems?

Iko kukurumidza kushanduka kwemotokari dzemagetsi matsva (NEVs), kusanganisira mota dzemagetsi (EVs), mahybrid emagetsi mota (HEVs), uye ma plug-in mahybrids, ashandura indasitiri yemotokari. Pamwoyo wemotokari idzi pane transmission system, iyo inotarisira kufambisa zvakanaka magetsi emagetsi akakwira-voltage kubva kubhatiri kuenda kumota uye zvimwe zvinhu. Kusiyana neyakajairwa mukati meinjini yekupisa mota, maNEV anovimba neakakwira-voltage masisitimu anoshanda pamagetsi anowanzo kupfuura 400V, uye mune dzimwe nguva anosvika 800V kana kupfuura, kuti abudirire zvakanyanya uye huwandu. High-voltage connectors inoshanda seyakanyanya kupindirana mune aya masisitimu, kuve nechokwadi chekufambisa kwesimba kwakavimbika uku uchichengetedza kuchengetedza uye kuita pasi pemamiriro ezvinhu anoda.

High-voltage connectors inofanirwa kuve neyakasarudzika mechini uye kuchinjika kwezvakatipoteredza kutsungirira kuomarara kwemotokari application. Mechanical, ivo vanofanirwa kutsungirira kudedera, kuvhunduka, uye kudzokororwa kutenderera kutenderera pasina kukanganisa kuvimbika kwemagetsi. Nezvakatipoteredza, ivo vanofanirwa kuramba tembiricha yakanyanyisa, hunyoro, huruva, uye zvinhu zvinoparadza izvo zvinogona kukonzera kutadza muhurongwa hwekutapurirana. Kuita uku hakusi kudiwa chete asi kwakakosha, sezvo chero kutadza kwekubatanidza kunogona kukonzera kurasikirwa kwemagetsi, njodzi dzekuchengetedza, kana kudzima mota.

Kukosha kweaya hunhu kunobva kune akasarudzika matambudziko eNEV ekufambisa masisitimu. Somuenzaniso, mafungu akakwirira anobatanidzwa—kazhinji mazana ema<em>ampere—anokonzera kupisa kukuru, nepo kushanda kwemotokari kuchiisa pachena mativi okutenheka kwomumugwagwa, kuderera kwetembiricha, uye kupinda kwezvakatipoteredza. Mitumbi yemitemo yakaita seInternational Electrotechnical Commission (IEC), Society of Automotive Injiniya (SAE), uye mirau yenyika (semuenzaniso, GB/T muChina) yakagadzira zvakaomarara zvinodiwa kuti ive nechokwadi chekuvimbika. Ichi chinyorwa chinotarisa mune zvemakanika uye kwezvakatipoteredza maitirwo anodiwa kune akakwira-voltage majoini, ane tarisiro yekuzunguza kuramba, tembiricha kuramba, uye mazinga ekudzivirira. Nekuongorora zvakajairwa zvinodikanwa uye zviyero zveindasitiri, isu tinosimbisa mabatiro aya anogonesa kushanda kwakachengeteka uye kwakanaka kweNEV kutapurirana masisitimu.

Muzvikamu zvinotevera, tinoongorora zvinodikanwa zvemuchina, senge vibration uye kushomeka kuramba, zvichiteverwa nemamiriro ekunze zvinosanganisira tembiricha yakanyanyisa uye ingress kudzivirira. Zvinodiwa zvinozivikanwa, zvakatorwa kubva kumazinga epasi rose, zvichatsanangurwa kuti zvipe kunzwisisa kwakadzama. Pakupedzisira, maitiro aya anovimbisa kuti ma-high-voltage connectors haangosangana chete asi anopfuura zvinotarisirwa zvemazuva ano NEV magadzirirwo, achigadzira nzira yekufamba kwakasimba.

Kuongorora kwe High-Voltage Connectors muNEV Transmission Systems

High-voltage connectors muNEVs zvinhu zvine hunyanzvi zvakagadzirirwa kubata mavoltages anowanzo kubva pa300V kusvika pa1000V uye macurrents anosvika 500A kana kupfuura. Ivo vanobatanidza zvakakosha zveiyo nzira yekufambisa, senge bhatiri paki, inverter, mota yemagetsi, uye chiteshi chekuchaja. Kusiyana ne-low-voltage connectors anoshandiswa mumasisitimu anobatsira, aya anofanirwa kubatanidza zvinhu zvakaita sekudzivirira kudzikamisa kukanganiswa kwemagetsi (EMI), kuvharira kuchengetedza (semuenzaniso, high-voltage interlock loops kana HVIL), uye chisimbiso chakasimba kudzivirira arcing kana mapfupi maseketi.

Iyo yekufambisa sisitimu muNEVs inzvimbo yakakwira-stakes uko kushanda zvakanaka kunokanganisa zvakananga kuita kwemotokari. MaConnectors anofanirwa kufambisa isina musono kuyerera kwesimba uchichinjira kumamiriro ekuchinja. Mechanical adaptability inovimbisa kutendeseka kwechimiro panguva yekufamba kwemotokari, nepo kuchinjika kwezvakatipoteredza kunodzivirira kubva kune zvekunze zvinhu zvinogona kukanganisa kushanda nekufamba kwenguva. Modhi dzekutadza, dzakadai sekuwedzera kwekubata kuramba nekuda kwekupfeka-kunokonzeresa kana kuti insulation kuparara kubva pakutenderera tembiricha, inosimbisa kukosha kweiyo yakaomesesa dhizaini maitiro.

Mafambiro eindasitiri anoratidza shanduko yakananga kune yakareruka, yakawedzera compact majoini vachishandisa zvepamberi senge aruminiyamu alloys yedzimba uye alloys yemhangura yevanobatika, kazhinji yakaputirwa nesirivha kana tin yekudzivirira ngura. Kuedza kwemaitiro, kusanganisira iyo LV yakatevedzana kubva kuEuropean automaker uye SAE USCAR yakatarwa, inotungamira vagadziri mukuwana kudyidzana uye kuvimbika. Sezvo maNEV achiwedzera, nekutengesa kwepasirese kunofungidzirwa kusvika kumamiriyoni pagore, kudiwa kwezvibatanidza zvinochinjika kunowedzera, kutyaira hunyanzvi mukugadzira uye kuyedza.

Mechanical Performances Inodiwa kune High-Voltage Connectors

Mechanical kuchinjika kwakakosha kune akakwira-voltage majoini muNEV ekufambisa masisitimu, sezvo mota dzinosangana dzinogara dzichifamba, zvinokanganisa, uye kushushikana kwekushanda. Aya maatanidzi anofanirwa kuchengetedza akachengeteka kubatanidza, kushomeka kwekubata kuramba, uye kuenderera kwemagetsi kunyangwe kuzunguzika kubva munzvimbo dzemugwagwa, injini harmonics (mumahybrids), uye kukurumidza mauto. Makiyi emuchina ekuita anosanganisira vibration kuramba, kushivirira kwekuvhunduka, kupinza uye kuchengetedza masimba, uye mechanical tarisiro yehupenyu.

Vibration kuramba chinhu chakakosha, sezvo maNEV anoshanda munzvimbo dzine akawanda-axis vibrations ayo anogona kusunungura mabatiro kana kukonzera kushungurudza corrosion - chiitiko apo madiki-mafambiro pakusangana anotungamira kune oxide kuvaka uye kuwedzera kuramba. Zvinodiwa zvakajairwa zvinoti zvinobatanidza zvinomira mazinga evibration akaenzana neaya ari mumiyero yemotokari se ISO 16750-3 kana SAE USCAR-2. Semuyenzaniso, kuyedza vibration kunowanzo sanganisira kudengenyeka kubva pa10Hz kuenda pa2000Hz pakukwirisa kusvika pa5g kana kudarika, kutevedzera mamiriro ekutyaira chaiwo. Level 3 vibration kuramba ndiyo yakajairwa bhenji, kuve nechokwadi kuti hapana kudzikira mukuita mushure mekuratidzwa kwenguva refu. Madhizaini akabatana neBolt anokunda pano, achipa kugadzikana kwepamusoro-soro-azvino maapplication senge mabheti ekuisa, sezvo ivo vanoramba kusunungura zviri nani pane plug-in mhando. Shock resistance inozadzisa kushivirira kwekudengenyeka, kugadzirisa zvinongoerekana zvaitika kubva mumakomba kana kubonderana. MaConnectors anofanirwa kushingirira kuvhunduka kwe 50g ye 11ms munzira dzakawanda pasina kudzinga kana kukuvadza vemukati, pachiyero seIEC 60068-2-27. Izvi zvinoita kuti nzira yekufambisa irambe ichishanda panguva dzetsaona, kudzivirira njodzi dzechipiri semoto wemagetsi.

Kupinza uye kuchengetedza masimba zvakare kwakakosha kune usability uye kuvimbika. Simba rekupinza harifanire kudarika 100N kufambisa kuungana uye kugadzirisa zviri nyore, kazhinji zvichiyamurwa nemalevers kana masiraidhi mune akakwira-azvino zvibatanidza. Simba rekuchengetedza, panguva iyi, rinofanirwa kunge rakasimba-kazhinji rinopfuura 80N yekudzivirira kukanganisa-kudzivirira kubviswa netsaona. Sekondari yekiyi nzira, seConnector Position Assurance (CPA) uye Terminal Position Assurance (TPA), wedzera zvidimbu zvekuchengetedza, neCPA inoda masimba anosvika 40N kuti abatanidze, kudzivirira kubva kune vibrations uye kunze kwekudhonza. Upenyu hwemakanika ndiyo imwe metric yakakosha, inoratidzira kusimba pamusoro peinodzokororwa kukwirana. Kune magetsi ekufambisa zvibatanidza mu "mahombe matatu" (bhatiri, motokari, inverter) uye "zviduku zvitatu" (chaja, DC / DC converter, air compressor) masisitimu, hupenyu hwema50 kusvika ku100 cycles hunozivikanwa. Kuchaja nzvimbo dzekuchaja kunoda zvakatowanda-kusvika gumi,10,000 kutenderera-kugarisa anowanzo plug-ins. Simba reCrimp rinoita basa pano, ine compression ratios ye80-90% inovimbisa kugadzikana kwakagadzikana pasi pekudengenyeka uye inertial masimba, akaedzwa kudhonza-off simba uye kuramba kugadzikana. Mamiriro ekuona kukanganisa, senge color-coding (kazhinji orenji kune yakakwira-voltage) uye mechanical keying, inodzivirira mismating, nemasimba anodarika katatu simba rekuisa kudzivirira kukuvara kwekupedzisira. Pakazere, aya ma mechanic performance anovimbisa akakwira-voltage majoini muNEV transmission masisitimu anoburitsa simba risingapindike, kuwedzera kuchengetedzeka kwemotokari uye hupenyu hurefu.

Environmental Adaptability Performances ye High-Voltage Connectors

Kuchinjika kwezvakatipoteredza kunoita kuti ma-high-voltage anobatanidza muNEVs anogona kushanda zvakavimbika munzvimbo dzakasiyana-siyana uye mamiriro, kubva kuchando cheArctic kusvika pakupisa kwerenje, uye pakati pehunyoro, munyu wekupfapfaidza, kana guruva. Zviitwa izvi zvinodzivirira kubva pakudzikisirwa izvo zvinogona kukanganisa kugona kweiyo kutapurirana system kana kuchengetedzeka. Nzvimbo dzakakosha dzinosanganisira kudzivirira kupisa, humidity uye kushivirira kwecorrosion, uye mazinga ekudzivirira kubva pakupinda.

Tembiricha kuramba kwakakosha, sezvo NEV zvikamu zvinogadzira kupisa kubva kune yakakwira mafungu, uye ambient mamiriro anosiyana zvakanyanya. Majenani anofanirwa kubata tembiricha yekushanda kubva -40°C kusvika +125°C kana kupfuura, nenzvimbo dzekuchengetera dzinosvika -55°C kusvika +150°C. Kukwira kwetembiricha panguva yekushanda kunogumira: kazhinji isingasviki 50K paIEC 60512, kana kusvika 55K mune dzimwe bvunzo, kudzivirira kupisa kunogona kunyungudutsa insulation kana kuwedzera kuramba.

Izvi zvinoongororwa mune terminal yekubatanidza, kuonana, uye crimping nzvimbo, uko zvinhu zvakaita semapoinzi ekusangana, kuita zvinhu, uye crimping mhando (≥85% duty cycle) inoderedza kupisa kuvaka. Thermal kuchembera uye bvunzo dzekuvhunduka dzinotevedzera matenderedzwa, kuve nechokwadi kuti hapana kutsemuka kana kurasikirwa kwekuiswa chisimbiso mushure mekuratidzwa kune zvakanyanyisa.

Humidity uye corrosion resistance inogadzirisa kutadza kunoenderana nehunyoro, senge mapfupi maseketi kana oxidation. Maconnectors anoenda kunonyorova kupisa bhasikoro uye munyu pfapfaidzo bvunzo paIEC 60068-2-52 kana GB/T 2423.18, ine mated nyika inoda kuramba mamiriro akaomarara. Zvinhu zvakaita semapurasitiki asingadzivirirwe neUV uye simbi isingadziviriri (semuenzaniso, goridhe kana sirivheri) inoshandiswa, ine nhovo dzekudzivirira dzinochengetedza <10mΩ kuramba pamusoro pehupenyu kurwisa EMI uye kukanganisa kwezvakatipoteredza. Mazinga ekudzivirira, anoratidzwa neIP ratings, akakosha kudzivirira huruva uye mvura ingress, izvo zvinogona kukonzera arcing mune yakakwira-voltage masisitimu. Zvinodiwa zvakajairika zvinosanganisira IP67 yekunyudza kusvika 1m kwemaminetsi makumi matatu, IP68 yekuramba ichinyura, uye IP6K9K yekuchenesa-kudzvanywa kwejeti. Nekudzivirira kubata, IPXXB kana IPXXD inodzivirira kupinda kwemunwe kune zvikamu zvipenyu mumatunhu akasangana neasina kusangana. Kuchaja maconnectors anowanzoda IP54/IP55 kana yasangana, nepo general transmission connectors ichivavarira IP6K9K/IPX7.

Airtight kuyedzwa pazvinomanikidza senge 47.8kPa inosimbisa yekuisa chisimbiso kutendeseka. Creepage uye kureba madaro, paIEC 60664-1, account yekusvibisa dhigirii 2 uye yakasimbiswa insulation, kuve nechokwadi kuti hapana flashover munzvimbo dzine hunyoro kana dzakasvibiswa.

Aya maitirwo ezvakatipoteredza anochengetedza hurongwa hwekutapurirana, kuwedzera hupenyu hwesevhisi uye kuderedza zvinodiwa zvekuchengetedza mumisika yakasiyana yepasirese.

Zvinodiwa Zvakajairika kune Chaiyo Aspects

Kupfupikisa zvakajairika zvinodiwa:

• Vibration Resistance: Level 3 pamitemo yemotokari; kutsungirira 10-2000Hz pa5g; hapana kurasikirwa kwekuita mushure mekuongorora.
• Temperature Resistance: Kushanda -40 ° C kusvika +105 ° C; kusimuka <50K-55K; Thermal shock uye kuchembera paIEC.
• Chidziviriro Chekudzivirira: IP67 / IP68 / IP6K9K yeguruva / mvura; IPXXB/D yekubata; munyu pfapfaidzo paIEC 60068-2-52.Izvi zvinopindirana nezviyero zvakaita SAE USCAR-2, IEC 62196-2, uye GB/T nhevedzano, kuve nechokwadi chekutevedzera pasi rose.

Case Studies uye Innovations

Kuenzanisira, funga zvinobatanidza seTE Kubatana's IPT-HD Power Bolt akatevedzana, akatemerwa IP67/IP68/IP6K9K, inobata 1000V uye yakakwirira vibrations. Zvitsva zvinosanganisira smart connectors ine ma sensors echokwadi-nguva yekutarisa tembiricha uye vibration, inovandudza fungidziro yekutarisira.

Munzvimbo dzakaomarara, senge off-road NEVs, yakasimbiswa yekuisa chisimbiso uye vibration-inonyorovesa zvinhu zvinoshandiswa. Semuyenzaniso, mumabhazi emagetsi, zvinobatanidza zvinofanirwa kushingirira kudengenyeka kwemudhorobha uku uchichengetedza IP68 dziviriro pakunaya uye munyu wemugwagwa.

Mafambiro eramangwana anonongedza kumagetsi epamusoro (kusvika ku1500V) achitoda kuvharisa nekutonhodza zviri nani, zvine zvinhu zvakaita sesilicon carbide zvinobatika kuitira kuvandudzwa kwemafuta.

mhedziso

Yakakwira-voltage majoini akakosha kune NEV ekufambisa masisitimu, inoda akasimba mechini uye maitirwo ezvakatipoteredza kuti ave nechokwadi chekuchengetedza uye kushanda nesimba. Vibration kuramba padanho 3, kushivirira tembiricha nekukwira pasi pe50K, uye mazinga ekudzivirira senge IP68 anomiririra zvakakosha zvinoderedza njodzi mukuda maapplication. Kutevedzera zviyero zvakaita seIEC neSAE, izvi zvinongedzo zvinotsigira kukura kwekufambisa kwakasimba. Sezvo tekinoroji yeNEV ichifambira mberi, hunyanzvi hunoenderera mberi huchawedzera kuchinjika, kufambisa indasitiri kune ramangwana rakasvibira.

Kuti uwane zvakawanda nezve ma-high-voltage connectors anosangana nezvinodiwa zvemagetsi matsva ekufambisa masisitimu, unogona kushanya kuGvtong pa. https://www.gvtong.net/ nokuti zvimwe info.