Ibhulashi Lekhabhoni leMotor
Amabhulashi ngokuvamile abizwa ngokuthi amabhulashi ekhabhoni kumathuluzi kagesi. Iyingxenye yenjini. Ngaphezu kokuxhuma i-electron kanye nesifunda sangaphandle emotweni, iphinde idlale indima yamanje. Isixhumanisi esibuthakathaka nesibalulekile se-motor sakhiwe ibhulashi elinomqondisi. Akukhona kuphela ukugqoka komshini kanye nokudlidliza komshini phakathi kwebhulashi kanye nomqondisi, kodwa futhi nenhlansi enzima ngesikhathi sokusetshenziswa, okuzonciphisa kakhulu impilo ye-wiper, kodwa futhi kuthinte ukusebenza okuvamile kwemoto. Ngakho-ke, ukukhethwa okunengqondo kwezinto zokuxubha, ubukhulu nokucindezela kwentwasahlobo, okuzodlala indima ebaluleke kakhulu ekuthuthukiseni ukusebenza kokuqondisa kwemoto nokwandisa impilo yayo yesevisi.
Ukukhethwa kwebhulashi kusekelwe ngokuyinhloko ekukhuphukeni kwezinga lokushisa kwebhulashi, futhi isiqondiso sesiqondiso sesiqondiso sinqunywa. Ukwenyuka kwezinga lokushisa kwebhulashi kuhlobene nokuminyana kwe-bristle ngobuningi bokuxhumana okuqondisayo, ukulahlekelwa komshini kanye nokuhamba kokushisa kwebhulashi. Uma ijubane lomugqa oyisiyingi liphezulu kakhulu, kulula ukushisa ibhulashi kanye nomqondisi, i-spark iyanda, futhi ukugqoka kwebhulashi kanye ne-wiper kuyanda.
Isingeniso sesakhiwo, ukuhlukaniswa kanye nokusebenza kwe-motor carbon brush
Ngokombono wokusetshenziswa, ngokuyinhloko kunezimpawu ezilandelayo zokusetshenziswa kwamabhulashi amahle: izimo ezilandelayo:
1) Lapho ibhulashi lisebenza, liyashisa, linomsindo, alikho umonakalo, alikho umbala, alishi;
2) Yiba nokusebenza okuhle kokuqondisa, vimbela inhlansi ebangeni elivumelekile, futhi ukulahlekelwa kwamandla kuncane;
I-3) Impilo ende yenkonzo futhi ungagqoki i-wiper, ungenzi i-wiper scratch, ukungalingani, ukushisa, ukudweba, njll;
I-4) Ngesikhathi sokusebenza, ifilimu ye-oxide encane, ephakathi, futhi ezinzile ingakhiwa ngokushesha ebusweni bomqondisi.
Ukwakheka kwebhulashi
Isiqondiso sokufakwa kwebhulashi le-graphite ibhulashi yilezi: uhlobo lwe-radial, i-back tilt kanye ne-front -tilt. Esakhiweni se-radial esivame ukusetshenziswa, ukucindezela kwentwasahlobo nakho kuhlukile. Kukhona ikakhulukazi imithombo ye-nest line, i-spiral springs, ne-stretch spring. Lezi zindlela ezintathu zokucindezela intwasahlobo ziwukwenza ngokuqondile ibhulashi ngokucindezela kwentwasahlobo; Ingqikithi
Ukuhlukaniswa nokusebenza kwebhulashi
1. Ukwahlukanisa
Amabhulashi ngokuvamile ahlukaniswa ngokuya ngokwakheka kwawo okubalulekile kwe-embryo kanye nezindlela zokwelapha zokucubungula
a. Ibhulashi le-Carbon graphite
Ibhulashi le-graphite yemvelo: amabhulashi anjalo ane-voltage ephezulu yokuxhumana, ukusebenza kahle kokulungiswa, ukusebenza kokugeleza okuphansi kuphansi kunebhulashi le-graphite kagesi, ukusebenza kahle kokugcotshwa, futhi asetshenziselwa imigqa ephezulu enejubane eliphezulu.
Ibhulashi le-resin ebopha i-graphite: Lolu hlobo lwebhulashi lubonakala ngokumelana okukhulu, i-voltage yokuxhumana encishisiwe, ukusebenza kahle kokuguqulwa, i-antioxidant, nokumelana nokuhuzuka kuhle, kodwa ukusetshenziswa kwamandla kusetshenziswa kakhulu kumamotho e-AC okusakaza.
b. Ibhulashi le-graphite elifaka ugesi
Ibhulashi elisekelwe ku-graphite (ibhulashi elithambile): Ibonakala ngama-coefficients aphansi wokungqubuzana, ukusebenza kahle kokugcotshwa, ukusebenza kahle kokusetha, ukuzinza kokushisa, nokusebenza kwe-antioxidant; amamotho ama-synchronous amakhulu anesivinini somugqa ophezulu kanye nemithwalo enomthelela osheshayo Amamotho amakhulu aginqikayo, namamotho e-DC amancane naphakathi;
Ibhulashi lesisekelo se-coke (ibhulashi eliqinile elimaphakathi): Libonakala ngokuwohloka okukhulu kwe-voltage yokuxhumana, linekhono elihle lokwenza ifilimu, linekhono elihle lokuthatha indawo yokuqondisa, linokugeleza okuthile kwamamotho aginqayo anomthwalo othile womthelela, njll. Futhi amamotho ajwayelekile e-DC ane-voltage ephakeme kuno-220V;
Ibhulashi likayinki wekhabhoni (ibhulashi eliqinile): Lolu hlobo lwebhulashi lungelebhulashi elimelana kakhulu ne-electro -chemical graphite brush. Ibonakala ngokumelana okukhulu kokuxhumana kwebhulashi nokusebenza okuhle kokuqondisa. Isetshenziselwa ama-motor e-DC ngobunzima ekushintsheni isiqondiso.
c. Ikilasi lebhulashi le-Metal graphite
Iqukethe insimbi ne-graphite. Izici zensimbi ne-graphite zilungiswa yizici ze-conductivity yensimbi enhle kanye nokugcotshwa okuhle kokugcoba. Ibonakala nge-voltage encane yokuxhumana, i-coefficient yokumelana nokulahlekelwa kukagesi. Leli bhulashi lisetshenziselwa ikakhulukazi izinjini ezinkulu zamanje eziphansi -voltage kanye namamotho ahambayo aphansi we-AC.
Ibhulashi lemvelo le-graphite ne-electroextburra brush resistor coefficients kanye nokwehla kwengcindezi yebhulashi kukhulu, amelana kakhulu nokuhuzuka, futhi isivinini somugqa sivunyelwe ukusetshenziswa (singafinyelela ku-50 ~ 70m/s). I-metal graphite brush resistor coefficient kanye ne-brush voltage yehla kancane, futhi ukumelana nokuhuzuka kubi. Isivinini somugqa esivunyelwe ukusetshenziswa siphansi. Cishe i-15 ~ 35m/s.
2. Ukusebenza
Izinto eziyinhloko zobuchwepheshe bebhulashi zihlanganisa izinto eziphikisayo, ubulukhuni, ubulukhuni kumabhulashi, ama-coefficients okuphikisanayo, ukugqoka okungu-50H, njll. I-coefficient yokumelana iyinani elibonakalayo lokulinganisa ukusebenza kwe-conductive. Ku-230V, i-coefficient ye-brush resistor coefficient ingakhethwa ibe mkhulu, futhi i-coefficient ye-brush resistor engu-120V kufanele ibe ncane. Amandla kagesi angu-120V enamandla afanayo makhulu kuno-230V. Ukushisa, izinga lokushisa lokubamba lingase libe libi kakhulu.
The contact voltage drop of a pair of brushes is the difference in the potential difference between the current flowing into the brush through the switch to the brush. When the brush is in contact with each other, and the resistance of the contact surface when the contact surface occurs under the action of external forces, it is called friction. The ratio of friction and spring pressure is the friction coefficient of the brush and the directioner. 50H wear value: Under the specified experimental conditions, the brush is determined by the current density and the prescribed unit pressure. When the transitional line speed is 15m/s, the amount of wear of the brush is grinded by 50h.