JP2001162083A - Washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable charging of a proper amount of liquid detergent meeting an amount of water for washing at all times in a washing machine having a detergent charger to charge the detergent in a washing/spin-drying tub. SOLUTION: An amount of washing charged in a washing/spin-drying tub mounted in an outer tub so as to be rotatable is detected by an washing amount detection means 28. Then, the amount of water for washing is set according to a signal of the means 28, and the charging amount of liquid detergent per washing water amount is made settable to at least 2 levels or more by a detergent charging amount setting means 31. A detergent charging means 23 to automatically charge liquid detergent in the washing/spin-drying tub is constructed so that it may be controlled according to a signal of a detergent charging control means 32 to which information of the means 29 and 31 is inputted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a washing machine having a detergent feeding device for feeding a liquid detergent into a washing and dewatering tub.

[0002]

2. Description of the Related Art Conventionally, a washing machine having a liquid detergent charging device has been configured as shown in FIG. Hereinafter, the configuration will be described.

As shown in FIG. 6, an outer tub 1 includes a washing and dewatering tub 2 rotatably disposed therein, and is suspended from a washing machine outer frame 4 by a suspension rod 3. The motor 5 rotationally drives a washing / dewatering tub 2 or a stirring blade 8 rotatably disposed on the inner bottom of the washing / dewatering tub 2 via a V-belt 6 and a speed reduction mechanism 7. A liquid balancer 9 containing a liquid is fixed on the upper part of the washing and dewatering tub 2.
Covered by 0. The water supply valve 11 supplies water to the washing and dewatering tub 2.
The drain valve 13 detects the water level in the outer tub 1 and the drain valve 13 is
Drain the washing water inside.

The detergent case 14 stores the liquid detergent 15, and the liquid detergent 15 in the detergent case 14 is supplied to the washing and dewatering tub 2 through the supply path 17 by the detergent supply means 16.

[0005] The upper part of the outer frame 4 of the washing machine is covered by an outer frame cover 19 containing a control device 18, a water supply valve 11, a water level detecting means 12, a detergent input means 16 and the like. At the approximate center of the outer frame cover 19, there is a hole for taking in and out of the laundry, and a lid 20 is provided in this hole so as to be freely opened and closed. Further, the control device 18 controls the motor 5, the water supply valve 11, the drainage valve 13, and the like, and sequentially controls each process of washing, rinsing, and dewatering. Further, the control device 18 drives the detergent introduction means 16 to store the liquid detergent 1 in the washing / dewatering tub 2.
5 is to be input.

The operation of the above construction will be described. When a start switch (not shown) is pressed after the laundry is put into the washing and spin-drying tub 2, the cloth amount detecting means (not shown) is operated to wash the laundry. Determine the amount of water needed. Thereafter, the control device 18 is operated to control the water supply valve 11 and the water level detecting means 12 to supply the outer tub 1 with washing water up to a predetermined water amount. Further, the control device 18 drives the detergent supply means 16 for a predetermined time to supply the liquid detergent 15 suitable for the amount of washing water into the washing / dewatering tub 2. Thereafter, the control device 18 drives the motor 5 to rotate the stirring blade 8 and executes the washing process.

[0007]

In the washing machine having such a configuration, in order to make the detergent liquid suitable for washing, the driving time of the detergent input means 16 is controlled by applying a predetermined amount of the liquid detergent 15 corresponding to the amount of washing water. It was realized by doing. However, as for the liquid detergent 15, it is general that a reference usage amount per washing water amount is set, and when the reference usage amount does not match the reference amount preset in the detergent input means 16, the liquid detergent 15 is used. There was a problem that washing performance and rinsing performance were not stable due to a large amount or a small amount.

In addition, since the amount of the liquid detergent 15 to be charged is set according to the amount of washing water, if it becomes necessary to adjust the concentration of the detergent in the washing course, the amount of the detergent must be adjusted manually. was there.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and has as its first object to obtain a stable washing performance and a rinsing performance by allowing a proper amount of liquid detergent suitable for the amount of washing water to be always supplied. .

It is a second object of the present invention to make it possible to optimize the amount of detergent according to the set washing course and to obtain the washing performance and rinsing performance required for the set washing course.

[0011]

According to the present invention, in order to achieve the first object, the amount of laundry put into a washing and dewatering tub provided rotatably in an outer tub is detected by a cloth amount detecting means. The washing amount is set by the water amount setting means according to the signal of the cloth amount detecting means, and the detergent input amount setting means can set at least two levels or more of the liquid detergent per washing water amount. The detergent injecting means for automatically injecting the liquid detergent into the dewatering tub is configured to be controlled by a signal from the detergent injecting amount control means which inputs information on the water amount setting means and the detergent injecting amount setting means.

[0012] With this, it is possible to always supply an appropriate amount of liquid detergent corresponding to the amount of washing water, and to achieve stable washing performance,
Rinsing performance can be obtained.

Further, in order to achieve the second object,
The amount of laundry put into the washing and dewatering tub rotatably provided in the outer tub is detected by the cloth amount detecting means, and the amount of washing water is set by the water amount setting means by a signal of the cloth amount detecting means, and the course is set. Means for setting a washing course by means, and a detergent injecting means for automatically injecting a liquid detergent into the washing and dewatering tub is controlled by a signal from the detergent injecting amount control means which inputs information on the water amount setting means and the course setting means It is configured to do so.

Thus, the amount of detergent can be optimized according to the set washing course, and the washing performance and rinsing performance required for the set washing course can be obtained.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS According to the first aspect of the present invention, a washing and dewatering tub rotatably provided in an outer tub and an amount of laundry put into the washing and dewatering tub are detected. Cloth amount detecting means, a water amount setting means for setting a washing water amount according to a signal of the cloth amount detecting means, a detergent supplying means for automatically supplying a liquid detergent into the washing and dewatering tub, and a detergent for controlling the detergent supplying means An input amount control unit, and a detergent input amount setting unit capable of setting at least two levels of the input amount of the liquid detergent per washing water amount, the detergent input unit includes the water amount setting unit, the detergent input amount setting unit, The amount of washing water is controlled by a signal from a cloth amount detecting means for detecting the amount of laundry put into the washing and dewatering tub by a water amount setting means. And set When controlling the detergent injection means for automatically introducing the liquid detergent into the washing and dewatering tub according to the amount of washing water, the liquid detergent to be used is set by setting the amount of liquid detergent per washing water amount by the detergent amount setting means. Even if the reference amount of washing water per unit differs from the reference amount preset in the detergent dosing means, it is possible to always supply the appropriate amount of liquid detergent that matches the amount of washing water, and stable washing performance and rinsing performance Can be obtained.

According to a second aspect of the present invention, there is provided a washing and dewatering tub rotatably provided in an outer tub, a cloth amount detecting means for detecting an amount of laundry put into the washing and dewatering tub, A water amount setting means for setting a washing water amount according to a signal of a cloth amount detecting means, a detergent charging means for automatically charging a liquid detergent into the washing and dewatering tub, a detergent charging amount controlling means for controlling the detergent charging means, A course setting means for setting a course, wherein the detergent input means is configured to be controlled by a signal of a detergent input amount control means which inputs information of the water amount setting means and the course setting means, Means for detecting the amount of laundry put into the washing and dewatering tub by means of the laundry amount detecting means for setting the amount of washing water by a signal of the cloth amount detecting means, and automatically supplying a liquid detergent into the washing and dewatering tub according to the amount of washing water Control When you do, you can automatically change the detergent input depending on the washing course you drive, eliminating the need to perform cumbersome operations such as manually adjusting the detergent amount for each washing course. Therefore, the washing performance and the rinsing performance required for the set washing course can be obtained.

According to a third aspect of the present invention, there is provided a washing and dewatering tub rotatably provided in an outer tub, a cloth amount detecting means for detecting an amount of laundry put into the washing and dewatering tub, A water amount setting means for setting a washing water amount by a signal of a cloth amount detecting means, a detergent charging means for automatically charging a liquid detergent into the washing and dewatering tub, a detergent charging amount controlling means for controlling the detergent charging means, and a liquid Detergent input amount setting means for setting the input amount of detergent per amount of washing water at least two levels or more;
And a course setting means for setting a washing course, wherein the detergent input means is controlled by a signal from the detergent input amount control means which inputs information of the water amount setting means, the detergent input amount setting means, and the course setting means. The amount of washing water is set by a signal from a cloth amount detecting means for detecting the amount of laundry put into the washing and dewatering tub by the water amount setting means, and the liquid detergent is set in the washing and dewatering tub by the amount of washing water. No matter how the reference amount of liquid detergent used per amount of washing water used and the washing course to be driven are combined, the amount of detergent can always be optimized, Optimum washing performance and rinsing performance can be obtained.

[0018]

Embodiments of the present invention will be described below with reference to the drawings. The same configuration as the conventional example
The same reference numerals are given and the description is omitted.

(Embodiment 1) As shown in FIG. 2, a detergent case 21 stores a liquid detergent 22.
3 supplies the liquid detergent 22 in the detergent case 21 to the supply path 2
The washing and dewatering tub 2 is put into the washing and dewatering tub 2 through the tub 4. The detergent input means 23 is constituted by an automatic pump, a cylinder, and the like. In this embodiment, the case of the automatic pump will be described.

The control device 25 is constructed as shown in FIG. 1, and the control means 26 is composed of a microcomputer, and the motor 5, the water supply valve 11, the drain valve 13, and the detergent input via a power switching means 27. The operation of the means 23 and the like is controlled to sequentially control a series of steps such as washing, rinsing, and dehydration.

The amount-of-cloth detecting means 28 is for detecting the amount of laundry put into the washing and dewatering tub 2, and
The washing water amount is set by controlling the water amount setting means 29 in accordance with the signal from 8. Then, the washing water suitable for the amount of the laundry is supplied into the washing and dewatering tub 2 by the water supply valve 11 and the water level detecting means 12. At this time, the signal of the water amount setting means 29 is sent to the detergent input amount storage means 30 and stored as water amount information. The detergent input amount setting means 31 sets a reference use value of the detergent input amount.
The content set in 1 is used as a signal as a detergent input amount storage means 3.
0 and is stored as the reference usage amount of the liquid detergent 22.

The control means 26 stores the signals from the water amount setting means 29 and the detergent input amount setting means 31 in the detergent input amount storage means 30 and then internally processes the information necessary for the detergent input, and controls the detergent input amount control means. 32. The detergent input amount control means 32 controls the operation of the detergent input means 23 based on the signal content of the detergent input amount storage means 30.

The setting means 33 sets the contents of the washing. The control means 26 inputs the information from the setting means 33 and displays it on the display means 34 based on the information to inform the user. The storage means 35 stores data necessary for control by the control means 26. 36 is a commercial power supply, and 37 is a power switch.

Here, the detergent input amount setting means 31 is provided in the manner shown in FIG.
As shown in (1), the reference amount of detergent input can be set to at least two or more levels such as "Ome", "Normal", and "Free".

The operation of the above configuration will be described. After the setting of the detergent input amount setting means 31 is set so as to match the reference usage amount of the liquid detergent 22 stored in the detergent case 21, the setting means 33 sets the washing content. At this time, the setting contents of the detergent input amount setting means 31 are determined by the control means 2.
6 is stored in the detergent input amount storage means 30.

Thereafter, when the laundry is put into the washing and dewatering tub 2 and the operation is started, the motor 5 is driven by the control means 26 via the power switching means 27 and the stirring blade 8
Is rotated, and the cloth amount detecting means 28 detects the cloth amount of the loaded laundry. The signal of the cloth amount detecting means 28 is sent by the control means 26 to the water amount setting means 29 to set the washing water amount. At this time, the signal of the water amount setting unit 29 is sent to the detergent input amount storage unit 30 by the control unit 26 and stored therein.

The control means 26 stores the signals of the water amount setting means 29 and the detergent input amount setting means 31 in the detergent input amount storage means 30 and then internally processes information necessary for the detergent input. 32. The detergent input amount control means 32 controls the driving of the detergent input means 23 based on the signal content of the detergent input amount storage means 30, and controls the detergent case 2.
1 is supplied into the washing / dehydrating tub 2 in a predetermined amount.

As described above, the control means 26 executes the washing process by driving the motor 5 after the predetermined amount of the washing water and the liquid detergent 22 are charged, and thereafter sequentially controls a series of processes such as rinsing and dehydration. .

Here, the washing and dewatering tub 2 depends on the amount of washing water.
When controlling the detergent introduction means 23 for automatically introducing the liquid detergent 22 into the inside, the detergent introduction amount setting means 31 controls the liquid detergent 2.
By setting the input amount per washing water amount of No. 2, even when the reference usage amount per washing water amount of the liquid detergent 22 to be used is different from the reference usage amount set in advance in the detergent inputting means, it is always in the washing water amount. An appropriate amount of the liquid detergent 22 can be charged, and stable washing performance and rinsing performance can be obtained.

(Embodiment 2) As shown in FIG. 4, the control device 38 has a control means 39.
A microcomputer is used to control the operations of the motor 5, the water supply valve 11, the drain valve 13, the detergent input means 23, and the like via the power switching means 40, and sequentially control a series of steps such as washing, rinsing, and dehydrating.

The amount-of-cloth detecting means 28 is for detecting the amount of laundry put into the washing and dewatering tub 2.
The washing water amount is set by controlling the water amount setting means 29 in accordance with the signal from 8. Then, the washing water suitable for the amount of the laundry is supplied into the washing and dewatering tub 2 by the water supply valve 11 and the water level detecting means 12. At this time, the signal of the water amount setting means 29 is sent to the detergent input amount storage means 41 and stored as water amount information.

The course setting means 42 sets a washing course, and the contents set by the course setting means 41 are sent as a signal to the detergent input amount storage means 41 and stored therein.

The control means 39 stores the signals of the water amount setting means 29 and the course setting means 42 in the detergent input amount storage means 41, internally processes information necessary for detergent input, and sends the information to the detergent input amount control means 32. Send a signal. Detergent input control means 3
2 controls the driving of the detergent input means 23 based on the signal content of the detergent input amount storage means 41. The other configuration is the same as that of the first embodiment, and the same reference numerals are given and the description is omitted.

The operation of the above configuration will be described. A washing course is set by the course setting means 42. At this time, the setting contents of the course setting means 42 are stored in the detergent input amount storage means 41 by the control means 39. After that, when the laundry is put into the washing and dewatering tub 2 and the operation is started,
The motor 5 is driven by the control means 39 via the power switching means 40 to rotate the stirring blade 8, and the cloth amount detecting means 28 detects the cloth amount of the inputted laundry.

The signal of the cloth amount detecting means 28 is
Is sent to the water amount setting means 29 to set the amount of washing water. At this time, the signal of the water amount setting means 29 is
9 to the detergent input amount storage means 41, where it is stored.

The control means 39 stores the signals of the water amount setting means 29 and the course setting means 41 in the detergent input amount storage means 41, internally processes information necessary for detergent input, and sends the information to the detergent input amount control means 32. Send a signal. Detergent input control means 3
2 controls the driving of the detergent injecting means 23 based on the signal content of the detergent injecting amount storing means 41 to inject a predetermined amount of the liquid detergent 22 in the detergent case 21 into the washing and dewatering tub 2.

As described above, the control means 39 drives the motor 5 after the predetermined amount of the washing water and the liquid detergent 22 are supplied, executes the washing process, and thereafter sequentially controls a series of processes such as rinsing and dehydration. .

Here, the washing and dewatering tub 2 depends on the amount of washing water.
When controlling the detergent introduction means 23 for automatically introducing the liquid detergent 22 into the inside, the detergent introduction amount can be automatically changed depending on the washing course to be operated, and the detergent amount can be manually adjusted for each washing course. You do n’t have to do any cumbersome operations,
Since the amount of the detergent can be optimized by the washing course, the washing performance and the rinsing performance required for the set washing course can be obtained.

(Embodiment 3) As shown in FIG. 5, the control device 43 has a control means 44.
The microcomputer controls the operations of the motor 5, the water supply valve 11, the drain valve 13, the detergent input means 23, and the like via the power switching means 45, and sequentially controls a series of steps such as washing, rinsing, and dewatering.

The cloth amount detecting means 28 is for detecting the amount of the laundry put into the washing and dewatering tub 2.
The washing water amount is set by controlling the water amount setting means 29 in accordance with the signal from 8. Then, the washing water suitable for the amount of the laundry is supplied into the washing and dewatering tub 2 by the water supply valve 11 and the water level detecting means 12. At this time, the signal of the water amount setting means 29 is sent to the detergent input amount storage means 46 and stored as water amount information.

The detergent input amount setting means 47 sets a reference use value of the detergent input amount. The content set by the detergent input amount setting means 47 is sent to the detergent input amount storage means 46 as a signal, It is stored as the reference usage amount of the detergent 22. The course setting means 48 sets a washing course, and the contents set by the course setting means 48 are sent as a signal to the detergent input amount storage means 46 and stored therein.

The control means 44 stores the signals of the water amount setting means 29, the detergent input amount setting means 47, and the course setting means 48 in the detergent input amount storage means 46, and thereafter internally processes information necessary for detergent input. A signal is sent to the detergent input amount control means 32. The detergent input amount control means 32 includes a detergent input amount storage means 4.
Based on the signal content of No. 6, the driving of the detergent input means 23 is controlled. The other configuration is the same as that of the first embodiment, and the same reference numerals are given and the description is omitted.

The operation of the above configuration will be described. After the setting of the detergent input amount setting means 47 is set so as to match the reference usage amount of the liquid detergent 22 stored in the detergent case 21, the washing course is set by the course setting means 48. At this time, the setting contents of the detergent input amount setting means 47 and the course setting means 48 are stored in the detergent input amount storage means 46 by the control means 44.

Thereafter, when the laundry is put into the washing and dewatering tub 2 and the operation is started, the motor 5 is driven by the control means 44 via the power switching means 45, and the stirring blades 8 are driven.
Is rotated, and the cloth amount detecting means 28 detects the cloth amount of the loaded laundry. The signal of the cloth amount detecting means 28 is sent to the water amount setting means 29 by the control means 44 to set the washing water amount. At this time, the signal of the water amount setting unit 29 is sent to the detergent input amount storage unit 46 by the control unit 44 and stored therein.

The control means 44 stores the signals of the water amount setting means 29, the detergent input amount setting means 47 and the course setting means 48 in the detergent input amount storage means 46, and thereafter internally processes information necessary for detergent input, A signal is sent to the detergent input amount control means 32. The detergent input amount control means 32 controls the driving of the detergent input means 23 based on the signal content of the detergent input amount storage means 46 and discharges a predetermined amount of the liquid detergent 22 in the detergent case 21 into the washing and dewatering tub 2. I do.

As described above, the control means 44 drives the motor 5 after the predetermined amount of the washing water and the liquid detergent 22 are supplied, executes the washing process, and thereafter sequentially controls a series of processes such as rinsing and dehydration. .

Here, the washing and dewatering tub 2 depends on the amount of washing water.
When controlling the detergent injecting means 23 for automatically injecting the liquid detergent 22 into the inside, the detergent amount is always controlled regardless of the reference amount of the liquid detergent 22 to be used per washing water amount and the operating washing course. Can be optimized,
Optimum washing performance and rinsing performance can be obtained.

[0048]

As described above, according to the first aspect of the present invention, the washing and dewatering tub provided rotatably in the outer tub and the laundry put in the washing and dewatering tub are provided. Cloth amount detecting means for detecting the amount of water, water amount setting means for setting the amount of washing water according to the signal of the cloth amount detecting means, detergent input means for automatically inputting a liquid detergent into the washing and dewatering tub, and the detergent input means Control means for controlling the amount of liquid detergent and detergent setting means for setting the amount of liquid detergent per washing water to be at least two levels or more. Since it is configured to control by the signal of the detergent input amount control means that inputs the information with the amount setting means, the reference usage amount per washing water amount of the liquid detergent to be used is the reference usage amount preset in the detergent input means. Even if different By changing the reference input of the detergent input means by the detergent input amount setting means it can always be put there was proper amount of liquid detergent into the washing water, a stable washing performance can be obtained rinsing performance.

According to the second aspect of the present invention, the washing and dewatering tub rotatably provided in the outer tub, and the cloth amount detecting means for detecting the amount of the laundry put into the washing and dewatering tub are provided. A water amount setting unit that sets a washing water amount according to a signal of the cloth amount detection unit; a detergent input unit that automatically inputs a liquid detergent into the washing and dewatering tub; and a detergent input amount control unit that controls the detergent input unit. And a course setting means for setting a washing course, wherein the detergent input means is configured to be controlled by a signal of the detergent input amount control means which inputs information of the water amount setting means and the course setting means, so that the operation is performed. The amount of detergent input can be automatically changed depending on the washing course, eliminating the need for performing cumbersome operations such as manually adjusting the amount of detergent for each washing course. Kill for, it is possible to obtain a washing performance and rinsing performance required for the washing course you have set.

According to the third aspect of the present invention, there is provided a washing and dewatering tub rotatably provided in the outer tub, and a cloth amount detecting means for detecting an amount of laundry put into the washing and dewatering tub. A water amount setting unit that sets a washing water amount according to a signal of the cloth amount detection unit; a detergent input unit that automatically inputs a liquid detergent into the washing and dewatering tub; and a detergent input amount control unit that controls the detergent input unit. A detergent input amount setting unit that can set at least two levels or more of an amount of liquid detergent per washing water amount, and a course setting unit that sets a washing course,
Since the detergent input means is configured to be controlled by a signal of the detergent input control means that inputs information of the water amount setting means, the detergent input amount setting means, and the course setting means, the amount of liquid detergent to be used per wash water amount is used. Regardless of the combination of the reference usage amount and the washing course to be driven, the amount of detergent can always be optimized, so that optimum washing performance and rinsing performance can be obtained.

[Brief description of the drawings]

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

FIG. 2 is a longitudinal sectional view of the washing machine.

FIG. 3 is an enlarged front view of an operation display unit of the washing machine.

FIG. 4 is a block circuit diagram of a washing machine according to a second embodiment of the present invention.

FIG. 5 is a block circuit diagram of a washing machine according to a third embodiment of the present invention.

FIG. 6 is a longitudinal sectional view of a conventional washing machine.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outer tub 2 Washing and dewatering tub 22 Liquid detergent 23 Detergent input means 28 Cloth amount detection means 29 Water amount setting means 31 Detergent input amount setting means 32 Detergent input amount control means

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Takayuki Ishihara 1006 Kazuma Kadoma, Kadoma-shi, Osaka Matsushita Electric Industrial Co., Ltd. F-term (reference) 3B155 AA21 BB08 BB09 CA05 CA16 CB06 GA01 GA25 GB01 GB02 GB04 GB09 HB06 HC07 JC04 KA02 KA18 KA21 LA12 LB34 LC30 LC32 MA01 MA09 MA10

Claims (3)

[Claims] 1. A washing and dewatering tub rotatably provided in an outer tub, a cloth amount detecting means for detecting an amount of laundry put into the washing and dewatering tub, and a signal from the cloth amount detecting means. Water amount setting means for setting the amount of washing water, detergent introduction means for automatically introducing the liquid detergent into the washing and dewatering tub, detergent introduction amount controlling means for controlling the detergent introduction means, and introduction of the liquid detergent per washing water amount Detergent amount setting means for setting the amount at least two levels or more, wherein the detergent input means is controlled by a signal from the detergent input amount control means which inputs information on the water amount setting means and the detergent input amount setting means. A washing machine configured to do so. 2. A washing and dewatering tub rotatably provided in an outer tub, a cloth amount detecting means for detecting an amount of laundry put into the washing and dewatering tub, and a signal from the cloth amount detecting means. Water amount setting means for setting the amount of washing water, detergent input means for automatically inputting a liquid detergent into the washing and dewatering tub, detergent input control means for controlling the detergent input means, and course setting means for setting a washing course A washing machine configured so that the detergent input means is controlled by a signal from the detergent input control means, which receives information on the water amount setting means and the course setting means. 3. A washing and dewatering tub rotatably provided in an outer tub, a cloth amount detecting means for detecting an amount of laundry put into the washing and dewatering tub, and a signal from the cloth amount detecting means. Water amount setting means for setting the amount of washing water, detergent introduction means for automatically introducing the liquid detergent into the washing and dewatering tub, detergent introduction amount controlling means for controlling the detergent introduction means, and introduction of the liquid detergent per washing water amount A detergent setting unit for setting the amount of at least two levels or more; and a course setting unit for setting a washing course, wherein the detergent setting unit includes the water amount setting unit, the detergent setting unit, the course setting unit, A washing machine configured to be controlled by a signal from a detergent input amount control unit to which the information of the above is input.