JPH07265575A - Full automatic washing machine - Google Patents

Abstract

PURPOSE:To wash laundry with a quantity of water suitable for the volume of the laundry and a quantity of detergent, and to reduce unevenness in the washing function and the rinsing function, and to reduce damage to the laundry in a full automatic washing machine in which washing, rinsing and spin-drying are successively controlled. CONSTITUTION:The supply of water into a washing and spin-dry tank is controlled by a water supply valve 20, and the flow rate and the temperature of water fed into the washing and spin-dry tank are detected by flow detecting means 24 and water temperature detecting means 25, respectively. Further, the quantity of detergent in the washing and spindry tank is detected by detergent quantity detecting means 26, and the volume of laundry in the washing and spin-dry tank is detected by cloth volume detecting mean 15. Control means 27 for controlling washing, rinsing and spin-drying steps can selectively set the washing, rinsing and spin-drying steps in accordance with outputs from the flow detecting means 24, the water temperature detecting means 25, the detergent quantity detecting means 26 and the cloth volume detecting means 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fully automatic washing machine for sequentially controlling the steps of washing, rinsing and dewatering according to the flow rate of supplied water, the temperature of supplied water and the like.

[0002]

2. Description of the Related Art Conventionally, this type of fully automatic washing machine has been constructed as shown in FIGS. The configuration will be described below.

As shown in FIG. 4, the receiving cylinder 1 has a pulsator 2 rotatably arranged at the bottom thereof for washing and dewatering (hereinafter
A washing tub 3 is included and is hung from a washing machine outer frame 5 by a hanging rod 4. A motor 6 is disposed below the receiving cylinder 1, and drives the pulsator 2 during washing through the V-belt 7 and the speed reduction mechanism / clutch 8 and spins the washing tub 3 during spinning. . A drain valve 9 for controlling drainage of the washing liquid is arranged below the receiving cylinder 1. The water level detecting means 10 detects the water level in the washing tub 3. 1
Reference numeral 1 is a lid provided on the upper side of the washing machine outer frame 5, and 12 is a control device for controlling the motor 6 and the like. A fluid balancer 13 is provided on the washing tub 3 to reduce vibration during dehydration.

The control device 12 is constructed as shown in FIG. 5, and the voltage detecting means 14 detects the counter electromotive force during inertial rotation of the motor 6, and the output thereof is the cloth amount detecting means 1.
5, and the amount of laundry in the washing tub 3 is detected by the laundry amount detecting means 15. The operation display means 16 is operated by the user to make a desired input, and the operation state is displayed. Control means 1
The output of the water level detecting means 10, the cloth amount detecting means 15, the operation display means 16 and the like sequentially controls the steps of washing, rinsing and dehydrating. The storage unit 18 stores data necessary for the control unit 17 to sequentially control each process of washing, rinsing, and dehydration. Power switching means 1
9 is a motor 6, a drain valve 9,
The energization of the water supply valve 20 and the like is controlled. Reference numeral 21 is a phase advancing capacitor for the motor 6, 22 is a power switch, and 23 is a commercial power source.

The operation of the above structure will be described with reference to FIG. 6. When the laundry is put into the washing tub 3 and washing is started, the pulsator 2 is driven in step 31, and the load amount at that time is changed to the laundry amount. Detected by the detection means 15, in step 32, determine the amount of water that matches the amount of laundry,
Determine rinsing and dehydration process. Next, step 33
In step 34, the water supply valve 20 is opened to start water supply based on the determined stroke, and in step 34 the water level detection means 10 for detecting the amount of water supply is detected by water pressure. When the set water level is reached in step 35, Proceeding to step 36, the water supply valve 20 is closed, washing is started, and the process proceeds to the next step.

In addition, during washing, air pressure in the laundry and a drop in the water level due to the material of the laundry are detected by the water pressure detecting means 10 and water is refilled during the washing to realize proper washing.

[0007]

In such a conventional fully automatic washing machine, the amount of water supplied to the washing tub 3 is determined by the water level detecting means 1.
Since it is detected by water pressure by 0, change due to temperature,
Due to the influence of air in the laundry, water absorption of the laundry, etc., the detection accuracy varies, washing with the set amount of water is not realized, there is a large variation in cleaning performance, and the laundry is damaged. Had. In addition, similarly for rinse, since the difference in dehydration rate during dehydration and the quality of the laundry affect the water pressure, the amount of detergent put in and the amount of water suitable for the amount of laundry are not used for rinsing, resulting in poor rinsing. They were rinsing too much and using water unnecessarily. Therefore, the amount of water used was not accurately indicated for the same reason.

Further, the washing time also fluctuates greatly due to the difference in the water supply flow rate and the change in the water amount, and the accurate indication of the washing end time has not been made.

The present invention solves the above problems and realizes washing with an amount of water suitable for the amount of laundry and the amount of detergent,
To provide a fully automatic washing machine that is effective in reducing variations in cleaning performance and rinsing performance and reducing the amount of water used, eliminates wasted washing time, reduces damage to laundry, and saves energy. Is the first purpose.

Further, in addition to the above-mentioned first object, by accurately displaying the end time of washing and the amount of water used, it is possible to efficiently perform housework, enlighten energy conservation and manage utility costs. The second is to be useful for
The purpose is.

[0011]

In order to achieve the first object, the present invention detects a water supply valve for controlling water supply into the washing / dehydrating tub and a water supply flow rate into the washing / dehydrating tub. Flow rate detecting means, water temperature detecting means for detecting the water temperature of water supplied to the washing / dehydrating tub, detergent amount detecting means for detecting the amount of detergent in the washing / dehydrating tub, and washing / dehydrating tub And a control means for sequentially controlling each process of washing, rinsing, and dehydration, the control means comprising the flow rate detecting means, the water temperature detecting means, and the detergent amount detecting means. First, it is possible to selectively set each process of washing, rinsing, and dehydration by each output of the cloth amount detecting means.
Is used as a means for solving the problem.

In order to achieve the second object, in addition to the above-mentioned first problem solving means, a washing end time display means or a used water amount display means is provided, and the control means is a flow rate detection means, a water temperature detection means, A second problem solving means is to display the washing end time or the amount of water used, which is set by each output of the detergent amount detecting means and the cloth amount detecting means.

[0013]

According to the first means for solving the above problems, the present invention provides:
Based on the outputs from the flow rate detection means, water temperature detection means, detergent amount detection means, and cloth amount detection means, it is possible to realize an appropriate washing process by the control means. An appropriate amount of water can be supplied, and efficient and effective washing can be realized.

Further, by displaying the set washing end time or the amount of water used by the second means for solving the problems,
Accurate display of the end time of washing and display of the amount of water used can be displayed.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. The same components as those in the conventional example are designated by the same reference numerals and the description thereof will be omitted.

As shown in the figure, the flow rate detecting means 24 detects the flow rate of water supplied to the washing tub 3, and the water temperature detecting means 25 detects the water temperature of the water supplied to the washing tub 3. Yes, these are provided on the water supply port side of the water supply valve 20, respectively. The detergent amount detecting means 26 detects the amount of detergent in the washing tub 3, and is provided in the receiving cylinder 1. These flow rate detecting means 24, water temperature detecting means 25 and detergent amount detecting means 26
And the output of the cloth amount detection means 15 are input to the control means 27.

The control means 27 is composed of a microcomputer and controls the steps of washing, rinsing and dehydration sequentially, and also includes the flow rate detecting means 24, the water temperature detecting means 25, the detergent amount detecting means 26 and the cloth amount detecting means 15. It is possible to selectively set each process of washing, rinsing and dehydration by each output. The used water amount display means 28 displays the used water amount calculated from the data detected by the flow rate detection means 24 and the water temperature detection means 25 by the control means 27 and the set stroke, and the washing end time display means 29 is The laundry end time calculated in the same manner is displayed. In addition,
Reference numeral 30 is a control device configured as described above.

The operation of the above structure will be described with reference to FIG. 3. When laundry is put into the washing tub 3 and washing is started, the pulsator 2 is driven in step 41 to load the load at that time. Detected by the amount detection means 15, the control means 27 sets the amount of water that matches the amount of laundry in step 42, and determines the rinsing and dehydration process in step 43. Then, the water supply is started based on the water amount determined in step 44.

Simultaneously with the start of the water supply, the water temperature and the flow rate of the supplied water are detected by the water temperature detection means 25 and the flow rate detection means 24 in step 45 and step 46, respectively. The detected value is input to the control means 27, and step 47
Reset the washing time and rinsing time depending on the water temperature.

After the water supply amount is reset in step 48, the water supply amount is integrated in step 49, the integrated water supply amount and the set water amount are constantly compared in step 50, and when the set water amount is reached, step 51 Go to and stop the water supply and start the washing process. At the same time, in step 52, the washing end time and the amount of water used are calculated from the data measured by the water temperature detecting means 25 and the flow rate detecting means 24 and the set strokes, and are calculated by the used water amount display means 28 and the washing end time display means 29. indicate.

Next, when entering the washing step, step 53
The amount of detergent in the washing tub 3 is detected by the detergent amount detecting means 26, and the rinsing process is reset based on the data detected in step 54, and the washing end time and the amount of water used are calculated again in step 55. In step 56, the amount of used water display means 28 and the washing end time display means 29 are displayed again, and the process proceeds to the next step. Then, each process of rinsing and dehydration is performed, and the entire washing process is completed.

As described above, according to the present embodiment, the water amount detecting means 15 and the water temperature detecting means 25 determine the amount of water, the washing time and the rinsing time that match the amount of laundry, and supply water based on the determined amount of water. The flow rate detecting means 24 detects the water supply flow rate. As a result, it becomes possible to eliminate the variation in the water supply amount due to the difference in the air contained in the laundry and the difference in the quality as in the case of detecting the water pressure. At the same time, the temperature of the water being supplied is detected by the water temperature detection means 25, and the washing time and the rinsing time are reset by the detected water temperature,
More efficient washing can be realized. Further, since the water amount can be accurately supplied by the flow rate detecting means 24, the washing end time can be accurately calculated, and the amount of water used and the end time can be accurately displayed.

[0023]

As described above, according to the present invention, the water supply valve for controlling the water supply into the washing / dehydrating tub, the flow rate detecting means for detecting the water supply flow rate into the washing / dehydrating tub, and the washing / dehydrating tub. Water temperature detecting means for detecting the water temperature of water to be supplied into the tub, and detergent amount detecting means for detecting the detergent amount in the washing / dehydrating tub,
The washing / dehydrating tub is provided with a cloth amount detecting means for detecting the amount of laundry and a control means for sequentially controlling each process of washing, rinsing and dehydrating, and the control means includes the flow rate detecting means and the water temperature detecting means. Washing, rinsing, and dehydration processes can be selectively set by means of the outputs of the means, the detergent amount detecting means, and the cloth amount detecting means, so that it is possible to wash with the optimum amount of water and the washing time for the amount of laundry, A fully automatic washing machine that can reduce variations in cleaning performance and damage to laundry and can also reduce the amount of water used, reduce wasted washing time, and save energy. Can be provided.

The washing end time display means or the used water quantity display means is provided, and the control means sets the washing end time or the used water quantity set by each output of the flow rate detecting means, the water temperature detecting means, the detergent amount detecting means, and the cloth amount detecting means. Since it is displayed, it is possible to display the exact washing end time, which contributes to the effective use of time, and the display of the amount of water used promotes enlightenment on energy conservation and is effective for effective use of washing water. I can give you.

[Brief description of drawings]

FIG. 1 is a block circuit diagram of a fully automatic washing machine according to an embodiment of the present invention.

FIG. 2 is a sectional view of the fully automatic washing machine.

FIG. 3 is an operation flowchart of main parts of the fully automatic washing machine.

FIG. 4 is a sectional view of a conventional fully automatic washing machine.

FIG. 5 is a block circuit diagram of the fully automatic washing machine.

FIG. 6 is an operation flowchart of main parts of the fully automatic washing machine.

[Explanation of symbols]

 3 Washing / Dehydrating Tank 15 Cloth Quantity Detecting Means 20 Water Supply Valve 24 Flow Rate Detecting Means 25 Water Temperature Detecting Means 26 Detergent Amount Detecting Means 27 Control Means

Claims (2)

[Claims] 1. A water supply valve for controlling water supply into the washing / dehydrating tub, a flow rate detecting means for detecting a water supply flow rate into the washing / dehydrating tub, and a water temperature of water to be supplied into the washing / dehydrating tub. A water temperature detecting means for detecting, a detergent amount detecting means for detecting the amount of detergent in the washing / dehydrating tub, a cloth amount detecting means for detecting the amount of laundry in the washing / dehydrating tub, washing, rinsing, And a control means for sequentially controlling each step of dehydration, wherein the control means performs each step of washing, rinsing, and dehydration by each output of the flow rate detecting means, the water temperature detecting means, the detergent amount detecting means, and the cloth amount detecting means. Fully automatic washing machine that can be set selectively. 2. A washing end time display means or a used water quantity display means, wherein the control means sets the washing end time or the used water quantity set by each output of the flow rate detecting means, the water temperature detecting means, the detergent amount detecting means and the cloth amount detecting means. The fully-automatic washing machine according to claim 1, wherein is displayed.