KR970015854A - Water temperature controller of washing machine and its method - Google Patents

Abstract

The present invention relates to a water temperature control apparatus and method for washing a washing machine by adjusting the washing water temperature according to the washing course and the set temperature, the washing machine comprising: an operation operation means for inputting the washing course and the washing water temperature; Control means for controlling the entire washing stroke in accordance with the operation conditions input by the operation operation means, water supply valve driving means for opening and closing the water supply valve to supply the wash water under the control of the control means, and It consists of a water temperature sensing means for detecting the temperature of the water to be supplied when opening, it can improve the degree of cleaning by adjusting the washing water temperature according to the washing course and the set temperature, it can prevent wrinkles and damage to the cloth, The washing machine is installed at the washing water temperature according to the season by sensing the ambient temperature is installed, there is an effect that can prevent the waste of hot water.

Selectivity Figure 2

Description

Water temperature controller of washing machine and its method

Since this is an open matter, no full text was included.

1 is a schematic cross-sectional view of a washing machine according to an embodiment of the present invention,

2 is a control block diagram of a water temperature adjusting apparatus of a washing machine according to an embodiment of the present invention;

3 is a detailed circuit diagram of major components according to an embodiment of the present invention.

Claims (7)

A washing machine comprising: a driving operation means for inputting a washing course and a washing water temperature, control means for controlling the entire washing operation according to the operating conditions input by the driving operation means, and washing water under control of the control means; Water supply valve driving means for opening and closing the water supply valve to supply water, and the water temperature control device of the washing machine, characterized in that consisting of a water temperature sensing means for detecting the temperature of the wash water supplied when the water supply valve is opened. The washing water temperature according to claim 1, wherein the control unit controls the opening / closing operation of the water supply valve according to the washing water temperature sensed by the water temperature detecting means, and the washing water temperature in accordance with the set temperature and washing course inputted by the driving operation means. Water temperature control device of the washing machine characterized in that to adjust. The apparatus of claim 1, wherein the control means adjusts the washing water temperature for each washing course input by the driving operation means according to the ambient temperature in which the washing machine is installed. The water temperature detection unit of claim 1, wherein the water temperature sensing means comprises: a temperature sensor for changing a resistance value according to the wash water temperature supplied through the water supply valve, a resistor R1 for dividing the resistance value changed by the temperature sensor, and The temperature control device of the washing machine, characterized in that it comprises a temperature sensor and a capacitor (C1) for filtering the noise component contained in the voltage signal divided by the resistor (R1). The water temperature control apparatus of claim 4, wherein the temperature sensor is mounted on a connection pipe in which cold water and hot water are combined. According to the course discrimination step for determining whether the operation condition input by the operation operation means is an automatic washing course, the water temperature changing step for discriminating whether the user changes the set water temperature during the automatic washing course, and the ambient temperature in which the washing machine is installed. The water temperature setting step of setting the water temperature for each washing course input by the operation operation means, and the water supply step of supplying cold water and hot water by adjusting the opening time of the cold / hot water valve according to the washing water temperature Water temperature control method. The water temperature adjusting method of a washing machine according to claim 6, wherein if it is determined in the course discrimination step that the automatic washing course is not an automatic washing course, the water temperature desired by the user is set by the driving operation means. ※ Note: The disclosure is based on the initial application.