Yaya bambanci da cire core ɗin ƙarfe ke yi a zahiri? Mun yi amfani da ma'aunin injinan BLDC marasa tushe na X-TEAM akan ƙirar ƙarfe masu daidai gwargwado a cikin ma'auni guda biyar masu mahimmanci: inganci, lokacin amsawa, ƙarfin juyi, hayaniya, da iyawar gudu. Lambobin suna ba da labari mai haske: fasahar coreless tana ba da inganci mafi girma 10-20%, saurin amsawa sau 3-5, da kuma girgiza kusan sifili - akan farashin kusan rabin yawan juyi mai ci gaba.
Wannan rahoton aiki yana ba da bayanai masu ƙarfi don taimaka muku yanke shawara ko injin BLDC mara tushe ya dace da aikace-aikacenku. Duk gwaje-gwajen da aka gudanar a cibiyar bincike da ci gaban X-TEAM ta Dongguan R&D a ƙarƙashin yanayi mai sarrafawa (25°C na yanayi, samar da wutar lantarki ta dakin gwaje-gwaje na yau da kullun).
Gwaji na 1: Kwatanta Inganci — Coreless vs Iron-Core
Mun gwada BD3270AN (Φ32mm coreless, integrated driver) akan injin ƙarfe mai Φ32mm throne-core BLDC a wurare iri ɗaya. An auna inganci a matsayin ƙarfin fitarwa na inji / wutar lantarki.
| Load (mNm) | Ingancin BD3270AN mara Coreless | Ingantaccen Aikin BLDC na Iron-Core | Amfanin Ba tare da Coreless ba |
|---|---|---|---|
| 30 mNm (kashi 20% na kaya) | 82.3% | 71.5% | + 10.8% |
| 60 mNm (kashi 40% na kaya) | 87.1% | 76.2% | + 10.9% |
| 90 mNm (kashi 60% na kaya) | 89.4% | 79.8% | + 9.6% |
| 120 mNm (kashi 80% na kaya) | 88.7% | 81.3% | + 7.4% |
| 150 mNm (kashi 100% na kaya) | 86.2% | 82.1% | + 4.1% |
Babban abin da aka gano: Fa'idar ingancin injin mara tushe ya fi bayyana a cikin nauyin da ba a ɗauka ba - daidai inda yawancin aikace-aikacen duniya ke aiki. Injin ƙarfe-core yana kamawa kaɗan a lokacin da ya cika nauyi, inda asarar ƙarfe ke zama ƙaramin ɓangare na jimillar asarar. Ga aikace-aikacen da ke gudana a kashi 40-60% na nauyin da aka ƙima (wanda aka saba amfani da shi don famfon likita da sarrafa kansa na dakin gwaje-gwaje), coreless yana ba da kusan kashi 11% mafi girma na inganci.
Gwaji na 2: Lokacin Amsawa — Lokacin Inji Mai Daidaitawa
Ma'aunin lokaci na injiniya (τm) yana auna yadda injin ya kai kashi 63.2% na saurinsa na ƙarshe bayan shigar da ƙarfin lantarki na mataki. Ƙasa = amsawa da sauri.
| Motar Motor | type | Rotor Inertia (g·cm²) | Daidaitaccen Lokacin Inji (ms) |
|---|---|---|---|
| BD2453AN | Ba tare da Core ba (Φ24mm) | 3.2 | 4.8 |
| BD3270AN | Ba tare da Core ba (Φ32mm) | 12.5 | 6.1 |
| BD45100AN | Ba tare da Core ba (Φ45mm) | 78.0 | 8.3 |
| Kwatancen ƙarfe mai kama da Φ32mm | BLDC na Iron-Core | 48.0 | 28.5 |
| Kwatancen ƙarfe mai kama da Φ24mm | BLDC na Iron-Core | 15.0 | 22.0 |
Babban abin da aka gano: Injinan Coreless suna amsawa sau 3-5 cikin sauri fiye da na ƙarfe-core. Matsakaicin lokaci na BD2453AN na 4.8 ms yana nufin yana iya farawa da tsayawa sama da sau 200 a cikin daƙiƙa - yana da mahimmanci don ɗaukarwa da sanyawa ta atomatik da kuma rarrabawa cikin sauri.
Gwaji na 3: Ripple Mai Karfi - Mai Kisan Girgiza
An auna ripple na karfin juyi ta amfani da na'urar firikwensin karfin juyi mai daidaito a 1,000 RPM a ƙarƙashin nauyin da aka kimanta da kashi 50%. Sakamakon ya bayyana a matsayin ripple mai tsayi zuwa kololuwa / matsakaicin karfin juyi.
| Motor Type | Ripple mai ƙarfi (% pk-pk) | Hayaniyar Sauti @ 5,000 RPM (dBA @ 1m) |
|---|---|---|
| BD3270AN mara Coreless | 0.8% | 38 dBA |
| BLDC na ƙarfe mai kusurwa uku (Φ32mm, rami 12) | 6.5% | 58 dBA |
| BLDC na ƙarfe mai kusurwa 32mm (Φ32mm, rami 24 mai karkata) | 3.2% | 52 dBA |
Babban abin da aka gano: Ripple ɗin ƙarfin injin mara tushe yana ƙasa da kashi 1% - ba a iya gani sosai. Ko da injin ƙarfe mai siffar ƙarfe mai siffar ƙarfe (zaɓin "shiru") har yanzu yana da ƙarin ripple sau 4. Ga aikace-aikace kamar na'urorin robot na tiyata ko na'urar daukar hoto ta gani, wannan bambanci shine layin da ke tsakanin amfani da shi da wanda ba za a iya amfani da shi ba.
Gwaji na 4: Ƙarfin Gudu
An auna matsakaicin saurin ci gaba mai aminci ga kowane dandamali. Injinan Coreless suna tallafawa manyan gudu saboda babu asarar ƙarfe da ke ƙaruwa da mita.
| Motor | Max Speed (RPM) | Ma'aunin Iyaka Gudu |
|---|---|---|
| BD2453AN (Ba tare da Core ba) | 32,000 | Matsayin ɗaurin kaya |
| BD3270AN (Ba tare da Core ba) | 25,000 | Matsayin ɗaurin kaya |
| BL3660BF (Ba tare da Core ba) | 28,000 | Iyakar zafi mai juyawa |
| BLDC mai kusurwar ƙarfe Φ32mm | 12,000 | Asarar ƙarfe yana haifar da zafi fiye da kima |
Gwaji na 5: Halayyar Zafi
An lura da hauhawar zafin jiki a cikin nauyin da aka kimanta da kashi 80% a cikin mintuna 30, ba tare da sanyaya da aka tilasta ba:
| Motor | Tashi a Zafi @ minti 5 | Tashi a Zafi @ minti 15 | Tsarin Jiki Mai Kyau @ minti 30 |
|---|---|---|---|
| BD3270AN (Ba tare da Core ba) | + 28 ° C | + 52 ° C | +65°C (tsayawa) |
| Φ32mm Iron-Core | + 18 ° C | + 42 ° C | +55°C (tsayawa) |
Babban abin da aka gano: Injinan Coreless suna yin zafi da sauri da farko (ƙananan nauyin zafi) amma suna daidaita a matakin aminci. Hawan 65°C yana nufin yanayin zafi mai lanƙwasa na 90°C a 25°C - a cikin ƙimar da aka ƙayyade ta 85°C. Don aikace-aikacen da ke buƙatar aiki, jerin zafin mu mai girma na 125°C yana ba da babban sarari ga mai amfani.
Hukuncin: Lokacin da za a Zaɓi Coreless vs Iron-Core
| Zaɓi Coreless Lokacin da Kake Bukata… | Zaɓi Iron-Core Lokacin da Kake Bukata… |
|---|---|
| Babu motsi na girgiza / babu motsi | Matsakaicin karfin juyi a cikin mafi ƙarancin kunshin |
| Lokacin amsawar millisecond | Mafi ƙarancin farashin injin farko |
| Gudun > 15,000 RPM | Ci gaba da aiki mai cikakken nauyi (sauƙi sanyaya) |
| Mafi girman inganci a lokacin ɗaukar kaya na ɓangare | Haɗin kai mai sauƙi (ƙarin gafarta rashin daidaiton tuƙi) |
| Ƙarancin hayaniya sosai (<40 dBA) | Muhalli mai ƙarfi/girgiza |
Tambayoyin da
Me yasa injinan da ba su da tushe ba su da ƙarancin ƙarfin juyi?
Ba tare da ƙarfen da ke cikin zuciyar don tattara kwararar maganadisu ba, da'irar maganadisu ba ta da inganci wajen samar da ƙarfi a kowace ƙarar naúrar. Duk da haka, abin da kuka rasa a cikin ƙarfin juyi mai sauƙi za ku dawo da sauri, daidaito, da inganci. Don aikace-aikacen da ke buƙatar babban ƙarfin juyi a ƙaramin gudu, haɗa injin mara tushe tare da akwatin gear na duniya - za ku sami ƙarfin juyi da kuke buƙata tare da duk fa'idodin santsi mara tushe.
Shin waɗannan sakamakon gwaje-gwajen suna wakiltar dukkan girma dabam-dabam?
Inganci da fa'idar amsawa suna ƙaruwa a duk faɗin jerinmu. Ƙananan injina (Φ16mm–Φ24mm) galibi suna nuna fa'idodi mafi girma na kashi saboda asarar ƙarfe ta mamaye ƙananan girma. Manyan injina (Φ45mm) suna nuna ƙaramin gibi a cikakken kaya amma suna riƙe da fa'idodin ɗaukar kaya da amsawa.
Har yaushe injinan da ba su da tushe za su dawwama?
Ana kimanta injinan X-TEAM marasa tushe na BLDC na aiki na tsawon awanni 10,000+ a ƙarƙashin yanayin da aka kimanta. Tsarin da ba shi da burushi yana kawar da babban tsarin lalacewa (lalacewar goga/mai juye-juye). Bearings sune abubuwan da ke iyakance rai - ƙirar bearing ɗinmu an kimanta su zuwa tsawon rayuwar L10 na awanni 20,000+ a saurin da aka kimanta.
Zan iya samun samfurin gwaji kafin in yi alƙawarin yin aiki?
Hakika. X-TEAM tana bayar da samfurin oda tun daga naúra 1, tare da isarwa cikin kwanaki 15-25. Tuntuɓi chris@x-teamrc.com don neman samfurin tare da takamaiman tsarin na'urarka, ƙarfin lantarki, da injina.
📧 chris@x-teamrc.com | 📞 +86-769-85228181