20.500.12556/RUL-108694 Testiranje kakovosti mehanskih stikal Testing the quality of mechanical switches Mehanska stikala uporabljamo v električnih napravah, s katerimi se srečujemo na vsakem koraku. So ena izmed komponent, ki v električnem krogu omogočijo ali onemogočijo električni tok. Zaradi mehanske narave prihaja pri uporabi stikala do obrabe kontaktnih delov zaradi preskakovanja isker in odbijanja ob sklenitvi stikala. Zato mora proizvajalec pred uvrstitvijo izdelka na tržišče pridobiti certifikat, ki potrošniku zagotavlja pričakovano življenjsko dobo stikala. SIQ testira splošno optimalno delovanje mehanskih stikal v skladu s predpisanimi standardi. Predstavljena sta dva testa in sicer test segrevanja in test vzdržljivosti. Pri testu segrevanja se opazuje temperatura delov stikala, ki med simulirano predvideno uporabo ne sme preseči določene vrednosti. Pri vzdržljivostnem testu pa se ugotavlja ali stikalo prestane določeno število sklenitev in razklenitev. V nalogi je prikazan primer rezultatov testiranja stikala paličnega mešalnika. Mechanical switches are found in electrical devices that we encounter in everyday use. A switch is by definition a mechanical component that can enable or disable the flow of electric current in an electric circuit. Due to the mechanical nature of the switch, contact parts wear out because of striking arcs and bouncing at contacts. Therefore, before launching the product, the manufacturer must obtain a certificate that guarantees the expected lifetime of the switch to the consumer. At SIQ the overall optimum operation of the mechanical switches are tested in accordance with the prescribed standards. Two tests have been performed, namely a heating test and an endurance test. In the heating test, the temperature of the switch parts is observed, which during the simulated intended use must not exceed a certain value. In the case of the endurance test, it is determined whether the switch exceeds a certain number of »makings« and »breakings«. Here a concrete example of the test results of the stick mixer switch is presented. stikala kontakti kakovost standard segrevanje vzdržljivost switches contacts quality standard heating endurance true false false Slovenski jezik Angleški jezik Zaključna naloga 2019-07-12 07:52:46 2019-07-12 07:52:48 2022-08-20 03:47:55 0000-00-00 00:00:00 2019 0 0 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 96138 3323236 772.pdf 772.pdf 1 2B3B80CBCBCD9A71460960057A6D0AC4 5390e16918991765c3cda6497e4defbbf637a7a50df36c5f18af94b24a9fbf8c b1fff430-a1b6-11eb-a523-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=119684 Fakulteta za matematiko in fiziko 0 0 0