JPH0424098A - Washing machine - Google Patents

Abstract

PURPOSE:To automatically perform agitation in a tub, measurement of water temperature, and display of it by rotating an agitating substance for a fixed time when instructed measurement of water temperature, and indicating the detected result from water temperature sensor on a display. CONSTITUTION:Water and hot water is supplied into an inner tub 3 and outer tub 2 through a feedwater valve 20 or from outside properly. When a switch of water temp. measurement is operated, a control 17 energizes to drive a driving structural part 10 to rotate an agitating substance 4 in the inner tub 3, causing water and hot water in the inner tub 3 and outer tub 2 to be agitated. The control 17 stops agitation when a set up time has come, reads a signal from a sensor 5 which detects water temp. in the inner 3 and outer tub 2, and indicates the water temp. value judged on a digital display of a panel 11. Thus, water temperature in the tub can be measured easily without dipping the hand in water or preparing a thermometer.

Description

[Detailed description of the invention] [Purpose of the invention] (Industrial application field) The present invention relates to a washing machine having a water temperature measuring function.

(Prior art) It has long been known that it is effective to wash delicate clothes such as wool in warm water at 30°C, and in recent years, washing using biodetergents has also been effective at 30°C. ℃
It is known that it is effective to use lukewarm water.

In contrast, with conventional washing machines, in order to produce hot water at the desired temperature, it is necessary to pour water into the tank, stir it, and then insert a thermometer to measure the water temperature. Ta.

(Problem to be solved by the invention) However, in order to prepare hot water at a desired temperature as described above, it is troublesome to stir the water, take the thermometer in and out, and also have to wet the hands while stirring. There was also the disadvantage that thermometers had to be prepared every time.

The present invention has been made in view of the above-mentioned circumstances, and its purpose is to measure the water temperature in a tank without the need for labor, getting your hands wet, or preparing a thermometer. ,
Our goal is to provide you with an excellent washing machine that can be measured.

[Structure of the Invention] (Means for Solving the Problems) In order to achieve the above object, the washing machine of the present invention includes a water temperature detection means for detecting the water temperature in the tub in which the agitator is disposed, and The water temperature display means includes a water temperature display means for displaying a water temperature, and a water temperature measurement command means for giving a command to measure the water temperature, and 7, when the water temperature measurement command means issues a command to measure the water temperature, the stirring body is controlled to rotate for a predetermined period of time. In addition, the water temperature display means (a control section for controlling the display of the water temperature) in response to the detection result by the water temperature detection means is characterized.

(Function) According to the above means, stirring in the tank, measurement of the water temperature, and display of the water temperature are automatically performed after the water temperature measurement command is issued by the water temperature measurement command means.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.

First, Fig. 2 shows an outer box 1 of a washing machine, in which an outer tank 2 and a porous inner tank 3 are arranged, and an agitator 4 is arranged in the inner tank 3. ing. At the bottom of the outer tank 2, a water temperature sensor 5, such as a thermometer of thermocouple type, is disposed as a water temperature detection means for detecting the water temperature inside the tank. A motor 6 and a belt transmission mechanism 7 are installed in the outer lower blade part of the outer tank 2. A drive mechanism section 10 consisting of a brake mechanism 8, a clutch mechanism 9, etc. is provided, and the drive mechanism 10 rotates the agitator 4 during washing and measuring water temperature, and rotates the inner tub 3 together with the agitator 4 during dehydration. I have to.

As shown in FIG. 3, an operation panel 11 is installed at the front of the upper surface of the outer box 1, and a digital display 2 is provided on the operation panel 11. This digital display 12 is shown in detail in FIG. 4, and in addition to functioning as a clock that displays the current time and scheduled time, it also functions as a display that displays washing time, number of rinses, dehydration time, etc. It also functions as a water temperature display means for displaying water temperature. On the side of this digital display 12, there is a switch 1 for setting the current time and reserved time.
3, and further on the side there is a switch 14 for setting the washing time, number of rinses, dehydration time, etc. Further on the side, there is a switch 1 for starting and stopping at -
5 exists. At the center of the lower part of the whole, there is a "water temperature measurement" switch 16 which is water temperature measurement command means for issuing a command to measure water temperature.

A control device 17 is arranged on the back side of the operation panel 11. This control device 17 is composed of a microcomputer and functions as a control means, and as shown in FIG. ,
A water level detection signal is input from the water level sensor 18 provided to detect the water level in the outer tank 2, a water temperature detection signal is input from the water temperature sensor 5, and a clock signal is input from the clock circuit 19. Ru. Then, based on such human power and the control program stored in advance, the control device 17 controls the drive circuit 21 for energizing and driving the water supply valve 20 provided to supply water into the inner tank 13, and the drive mechanism section 10, among others. A drive circuit 22 for energizing and driving an electromagnet (not shown) that operates the motor 6, brake mechanism 8, and clutch mechanism 9, and a drain valve 23 provided to drain water from the outer tank 2. A drive control signal is given to each of the drive circuits 24, and at the same time a display signal is given to the digital display 2 of the operation panel 11.

Therefore, the operation during water temperature measurement based on the control of the control device 17 will be described below without also referring to FIG.

At this water temperature m11 fixed time, water and hot water are poured into the inner tank 3 and the outer tank 2 through the water supply valve 20 or from the outside as appropriate, and then the "water temperature measurement" switch 6 is operated. Then, the control device 17 performs the first step of the water temperature measurement routine shown in FIG.
At the point where it is determined whether or not the "Water temperature measurement" switch 16 has been operated (step Sl), the "Water temperature measurement" switch 1
6 has been operated, and therefore the drive mechanism section]
0 is energized and driven to rotate the stirring body 4 in the inner tank 3 to stir the water and hot water in the inner tank 3 and the outer tank 2 (Step S2
). This stirring is continued until it is determined that the next set time (for example, ten seconds) has been reached (step S3), and then the stirring is stopped. Step S4), the water temperature detection signal emitted from the water temperature sensor 5 that detects the water temperature in the inner tank 3 and the outer tank 2 is read (step S5), and the determined water temperature value is displayed on the digital display 12 ( Step S6) According to this embodiment, after pouring water and hot water into the inner tank 3 and the outer tank 2, the "water temperature measurement" switch 16 is operated, and then the inner tank 3 is filled with hot water. Since the water in the outer tank 2 is stirred, the water temperature is measured, and the water temperature is displayed automatically, there is no need for manual stirring by the user or the hassle of putting in and taking out a thermometer, which is required in conventional systems. Not, again,
There is no need to get your hands wet while stirring, and there is no need to prepare a thermometer every time.

Note that reading of the water temperature detection signal emitted from the water temperature sensor 5 may be carried out during the stirring of the water in the inner tank 3 and the outer tank 2, thereby shortening the time until the water temperature is displayed. good. Further, the stirring time is not limited to ten or more seconds as described above, but can be set as appropriate.

In addition, the present invention is not limited to the embodiments described above and shown in the drawings, but can be implemented with appropriate modifications within the scope of the invention.

[Effects of the Invention] As is clear from the above description, the washing machine of the present invention includes a water temperature detection means for detecting the water temperature in the tank in which the agitator is disposed, a water temperature display means for displaying the water temperature, and water temperature i11+1 constant command means for commanding water temperature measurement; and when the water temperature measurement command means issues a water temperature measurement command, the stirring body is controlled to rotate for a predetermined time, and the water temperature detection means is provided. Since the present invention is equipped with a control means for controlling the water temperature display means to display the water temperature in response to the detection result, the water temperature in the tank can be checked easily and
This provides the excellent effect of being able to take measurements without having to wet your hands or prepare a thermometer.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention. Fig. 1 is a flowchart showing a routine when measuring water temperature, Fig. 2 is a cutaway side view of the entire washing machine, and Fig. 3 is a perspective view of the upper part of the washing machine. ,
FIG. 4 is a plan view of the operation panel, and FIG. 5 is a schematic electrical configuration diagram. In the drawing, 2 is an outer tank, 3 is an inner tank, 4 is a stirrer, 5 is a water temperature sensor (water temperature detection means), 12 is a digital display (water temperature display means), 16 is a "water temperature measurement" switch (water temperature measurement command) 17 indicates a control device (control means).

Claims (1)

[Claims] 1. A water temperature detection means for detecting the water temperature in a tank in which an agitator is disposed, a water temperature display means for displaying the water temperature, and a water temperature measurement command means for commanding water temperature measurement, and the water temperature measurement command means control means for controlling the stirring body to rotate for a predetermined period of time when there is a command to measure the water temperature by the water temperature detecting means, and for controlling the water temperature to be displayed on the water temperature display means in response to the detection result by the water temperature detecting means. A washing machine characterized by comprising: