HOME APPLIANCE COMPRISING POWER CONVERTER EMPLOYING OVERHEATING PREVENTION METHOD

A home appliance for preventing overheating may comprise: a DC link capacitor which smooths an alternating current input voltage; at least one distribution resistor for dividing a voltage at both ends of the DC link capacitor; and a first temperature detector which is connected in series to the at l...

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Bibliographische Detailangaben
Hauptverfasser:	JANG, Wonseo, JO, Sejin, JEON, Jinseob, RYU, Kwangil, SOHN, Sejin, SONG, Mirye
Format:	Patent
Sprache:	eng ; fre ; kor
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER COFFEE MILLS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DOMESTIC ARTICLES OR APPLIANCES DOMESTIC WASHING OR CLEANING ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS FURNITURE GENERATION HUMAN NECESSITIES MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE PHYSICS SPICE MILLS SUCTION CLEANERS IN GENERAL SYSTEMS FOR STORING ELECTRIC ENERGY TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	A home appliance for preventing overheating may comprise: a DC link capacitor which smooths an alternating current input voltage; at least one distribution resistor for dividing a voltage at both ends of the DC link capacitor; and a first temperature detector which is connected in series to the at least one distribution resistor so as to divide the voltage at both ends of the DC link capacitor with the distribution resistor, and which has resistance varying according to temperature. The home appliance may comprise a switched mode power supply (SMPS) controller which has, as input, a first point where the at least one distribution resistor and the first temperature detector are connected, so as to determine, on the basis of a voltage variation between the first point and the ground, whether overheating has occurred. Un appareil ménager anti-surchauffe peut comprendre : un condensateur de liaison c.c. qui lisse une tension d'entrée en courant alternatif; au moins une résistance de distribution pour diviser une tension aux deux extrémités du condensateur de liaison c.c.; et un premier détecteur de température qui est connecté en série à la ou aux résistances de distribution de façon à diviser la tension aux deux extrémités du condensateur de liaison c.c. avec la résistance de distribution, et qui présente une résistance variant en fonction de la température. L'appareil ménager peut comprendre un contrôleur d'alimentation en mode commuté (SMPS) qui a, en tant qu'entrée, un premier point au niveau duquel sont connectés la ou les résistances de distribution et le premier détecteur de température, de façon à déterminer, sur la base d'une variation de tension entre le premier point et la masse, si une surchauffe s'est produite. 과열을 방지하기 위한 가전장치는, 교류입력전압을 평활화하는 DC 링크 커패시터, DC 링크 커패시터 양단의 전압을 분배하기 위한 적어도 하나의 분배저항, 적어도 하나의 분배저항과 직렬로 연결되어 상기 분배저항과 상기 DC 링크 커패시터 양단의 전압을 분배하되 온도에 따라 저항이 변하는 제 1 온도 감지기를 포함할 수 있다. 가전장치는 적어도 하나의 분배저항과 제 1 온도 감지기가 연결되는 제 1 포인트를 입력으로 하여 상기 제 1 포인트와 그라운드 간 전압 변화에 따라 과열 여부를 판단하는 SMPS(Switched Mode Power Supply) 컨트롤러를 포함할 수 있다.