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Testiranje kakovosti mehanskih stikal
Žgur, Luka (Author), Mohorič, Aleš (Mentor) More about this mentor... This link opens in a new window

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Abstract
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.

Language:Slovenian
Keywords:stikala, kontakti, kakovost, standard, segrevanje, vzdržljivost
Work type:Final paper (mb12)
Tipology:2.11 - Undergraduate Thesis
Organization:FMF - Faculty of Mathematics and Physics
Year:2019
COBISS.SI-ID:3323236 This link opens in a new window
Views:458
Downloads:200
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Secondary language

Language:English
Title:Testing the quality of mechanical switches
Abstract:
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.

Keywords:switches, contacts, quality, standard, heating, endurance

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