JP7018062B2 - Drum type washing machine - Google Patents

Description

Incorporated description

This application claims the benefit of priority to Japanese Patent Application No. 2017-167384 filed on August 31, 2017, and incorporates all the contents of the Japanese application. It is a thing.

The present invention relates to a drum type washing machine.

Patent Document 1 includes a liquid softener accommodating portion for accommodating a liquid softener, and a detergent liquid supply path for supplying a liquid containing the liquid softener in the liquid softener accommodating portion into a water tank via a water supply path. A drum-type washing machine is disclosed.

JP-A-2017-55946

In the drum type washing machine, in the rinsing process, a liquid containing a liquid softener is supplied into the water tank at the same time as water is supplied to the water tank. Therefore, the liquid containing the liquid softener may flow into the drain pipe at the bottom of the water tank and settle without adhering to the clothes, and the adhesion efficiency of the liquid softener to the clothes may decrease.

Therefore, an object of the present invention is to provide a drum-type washing machine capable of increasing the efficiency of adhesion of a finishing agent to clothes.

The drum-type washing machine according to one aspect of the present invention is
With a water tank
A drum that is rotatably arranged inside the above aquarium and houses laundry,
The water supply section where water is supplied from the outside and
A detergent case having a first storage portion capable of storing detergent and a second storage portion provided independently of the first storage portion and capable of storing a finishing agent.
A first water supply channel connected to the inside of the water supply unit and the water tank via the first storage unit, and the water supplied from the water supply unit flows into the inside of the water tank via the first storage unit.
A second water supply channel connected to the inside of the water supply unit and the water tank via the second storage unit, and the water supplied from the water supply unit flows into the inside of the water tank via the second storage unit.
A water supply switching unit that can switch the water supply path for supplying the water supplied from the water supply unit to the inside of the water tank to the first water supply channel or the second water supply channel.
In the final rinsing step, after water is supplied from the water supply unit to the inside of the water tank through the first water supply channel, the water supply path is switched from the first water supply channel to the second water supply channel to supply water. The water supply unit and the finishing agent input control unit that controls the water supply switching unit so as to supply water from the unit to the inside of the water tank via the second water supply channel are provided.

According to the drum type washing machine of the above aspect, in the final rinsing step, after water is supplied from the water supply unit to the inside of the water tank through the first water supply channel, the water supply path is changed from the first water supply channel to the second water supply channel. By switching, water is supplied from the water supply unit to the inside of the water tank via the second water supply channel. That is, after the water containing no finishing agent is supplied to the inside of the water tank, the water containing the finishing agent is supplied. As a result, the finishing agent can be contained in the water supplied to the inside of the water tank without settling on the bottom of the water tank, so that the amount of the finishing agent attached to the clothes can be increased.

The perspective view of the drum type washing machine of 1st Embodiment of this invention. Sectional drawing taken along line II-II of FIG. The control block diagram of the drum type washing machine of FIG. A timing chart for explaining a modification of the drum-type washing machine of FIG. 1.

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings. In the following description, terms indicating a specific direction or position (for example, terms including "top", "bottom", "right", and "left") are used as necessary, but the use of these terms is used. Is for facilitating the understanding of the invention with reference to the drawings, and the meaning of those terms does not limit the technical scope of the present invention. Further, the following description is merely an example and is not intended to limit the present invention, its application, or its use. Furthermore, the drawings are schematic, and the ratios of each dimension do not always match the actual ones.

(First Embodiment)
As shown in FIG. 1, the drum-type washing machine 1 of the first embodiment of the present invention includes an outer box 10. As shown in FIG. 2, inside the outer box 10, a water tank 20, a drum 30 arranged inside the water tank 20, and a water supply device 40 are provided. The water supply device 40 includes a water supply unit 41, a detergent case 42, a water supply path 43 connected to the inside of the water supply unit 41 and the water tank 20 via the detergent case 42, and a water supply switching unit provided in the water supply path 43. It is composed of an example water supply valve 44.

As shown in FIG. 1, the outer box 10 has a substantially rectangular parallelepiped shape as an example, and has an opening 11 provided on the front surface, a door 12 to which the opening 11 can be opened and closed, and an operation display unit 13. Have. A part of the door 12 is made of a transparent member such as glass so that the inside of the drum 30 can be visually recognized. Further, the operation display unit 13 has a power on / off key, a plurality of selection keys for selecting and determining the operation content (for example, a washing course selection key, a start key, etc.), and an operation selected by the selection key. It has a display unit that displays the contents.

As shown in FIG. 2, the water tank 20 has a bottomed tubular shape, and a suspension 14 arranged inside the outer box 10 and below the water tank 20 is connected to the bottom of the water tank 20. It is elastically supported by the outer box 10 via the outer box 10. The water tank 20 is provided with an opening 21 arranged so as to face the opening 11 of the outer box 10 and a drain port 22 for draining washing water or the like inside the water tank 20 to the outside. Further, a main motor 33 for rotating the drum 30 is provided on the outside facing the opening 21 of the water tank 20.

As shown in FIG. 2, the drum 30 has a bottomed tubular shape capable of accommodating the laundry 110 inside the drum 30, and is rotatably supported by the water tank 20 around the rotation shaft 90. The drum 30 is provided with an opening 31 facing the opening 11 of the outer box 10 and the opening 21 of the water tank 20. A plurality of through holes 32 (only six are typically shown in FIG. 2) are provided on the peripheral wall of the drum 30 over the entire area. A washing agent (detergent, softener, bleach, etc.), water, and air flow between the space between the water tank 20 and the drum 30 and the internal space of the drum 30 through the through hole 32. It has become like.

As shown in FIG. 2, the water supply device 40 is arranged at the upper part of the water tank 20 (that is, the upper part of FIG. 2). The water supply unit 41 is arranged on the rear surface side (that is, the right side of FIG. 2) of the outer box 10 and is connected to the outside of the drum type washing machine 1 (for example, a tap water) to supply water (for example, tap water). It is supposed to be done. Further, the detergent case 42 is arranged on the front side of the outer box 10 (that is, on the left side in FIG. 2), and is provided independently of the first storage portion 421 and the first storage portion 421 that can store the detergent. It has a second accommodating portion 422 capable of accommodating the finishing agent.

The water supply path 43 is configured so that the water supplied from the water supply unit 41 can be supplied to the inside of the water tank 20. Specifically, as shown in FIG. 2, the water supply path 43 has a first water supply channel 431 and a second water supply channel 432. The first water supply channel 431 is connected to the inside of the water supply unit 41 and the water tank 20 via the first storage unit 421 of the detergent case 42, and as shown by an arrow A, the water supplied from the water supply unit 41 is the first. It flows into the water tank 20 through the accommodating portion 421. Further, the second water supply channel 432 is connected to the inside of the water supply unit 41 and the water tank 20 via the second storage unit 422 of the detergent case 42, and the water supplied from the water supply unit 41 is connected as shown by an arrow B. It flows into the water tank 20 via the second accommodating portion 422.

The water supply valve 44 is configured so that the water supply path 43 can be switched to the first water supply channel 431 or the second water supply channel 432. Specifically, the water supply valve 44 is arranged between the water supply unit 41 of the water supply path 43 and the detergent case 42, and is configured to be able to open and close either or both of the first water supply channel 431 and the second water supply channel 432. There is.

Further, a drainage device 50 is provided inside the outer box 10. The drainage device 50 is arranged under the water tank 20, and has a drainage path 51 connected to the drainage port 22 of the water tank 20 and the outside of the outer box 10, a filter case 52 provided in the drainage path 51, and drainage. It has a valve 53.

The drainage path 51 has a drainage duct 54 connected to the drainage port 22 and the filter case 52, and a drainage hose 55 connected to the outside of the filter case 52 and the outer box 10 to drain water inside the water tank 20. It is configured so that it can be drained to the outside of the outer box 10.

The filter case 52 has a resin or metal lint filter 56 provided inside thereof, and an air trap 57 provided integrally with the filter case 52. The lint filter 56 removes foreign matter such as lint from the washing water passing through the filter case 52. Further, a pressure guiding pipe 58 is connected to the air trap 57, and a water level sensor 61 (shown in FIG. 3) is connected via the pressure guiding pipe 58.

The drain valve 53 is arranged at the end of the drain hose 55 on the near side of the filter case 52, and is configured to be openable and closable by a drain motor (not shown). By opening the drain valve 53, the water inside the water tank 20 is drained to the outside of the outer box 10 via the drainage path.

The water level sensor 61 has a coil and a magnetic material that moves inside the coil in response to a change in air pressure inside the air trap 57, and is arranged at a position higher than the drain port 22 of the water tank 20. The water level sensor 61 detects the inductance of the coil generated by the position of the magnetic material as the oscillation frequency, and detects the water level inside the water tank 20 based on the detected oscillation frequency.

Further, on the lower side of the water tank 20 inside the outer box 10, a circulation path 70 is provided which is connected to the filter case 52 and the upper part of the opening 21 of the water tank 20 and circulates the washing water inside the water tank 20. There is. The circulation path 70 is provided with a circulation pump 71 (shown in FIG. 3) in which the washing water flowing from the drain port 22 of the water tank 20 to the drainage path 51 is returned to the inside of the water tank 20 and circulated.

Inside the outer box 10, a rotation speed sensor 62, a voltage sensor 63, an acceleration sensor 64, a heat pump unit 81, a blower fan 82, and the like are provided. The rotation speed sensor 62 detects the rotation speed of the drum 30. The voltage sensor 63 detects the voltage of the main motor 33. The acceleration sensor 64 is provided on the drum 30 and detects acceleration in a direction parallel to and perpendicular to the rotation axis 90 of the drum 30.

Further, as shown in FIG. 3, the drum type washing machine 1 includes a CPU for performing calculations and the like, and a control device 100 including an input / output circuit and the like.

The control device 100 has an operation display unit 13, a water supply valve 44, a drain valve 53, based on signals input from the operation display unit 13, the water level sensor 61, the rotation speed sensor 62, the voltage sensor 63, and the acceleration sensor 64. The circulation pump 71, the main motor 33, the heat pump unit 81, and the blower fan 82 are driven.

The drum-type washing machine 1 is provided with a plurality of operation courses (for example, a washing course, a washing / drying course, and a dry course). A plurality of driving courses can be selected via the operation display unit 13. The control device 100 controls the main motor 33, the water supply valve 44, the drain valve 53, the heat pump unit 81, the blower fan 82, and the like according to the selected operation course. The washing course includes, for example, a washing step, a rinsing step, and a dehydration step.

Further, the control device 100 has a finishing agent injection control unit 101. The finishing agent injection control unit 101 is a function realized by the CPU executing a predetermined program.

In the final rinsing step, the finishing agent input control unit 101 supplies water from the water supply unit 41 to the inside of the water tank 20 via the first water supply channel 431, and then sets the water supply path 43 from the first water supply channel 431 to the second water supply channel 431. By switching to 432, the water supply unit 41 and the water supply valve 44 are controlled so that water is supplied from the water supply unit 41 to the inside of the water tank 20 via the second water supply channel 432.

For example, in the final rinsing step, the finishing agent input control unit 101 has a first hour t1 (for example, 12) from the time when the supply of water from the water supply unit 41 to the inside of the water tank 20 via the first water supply channel 431 is started. Second), the water supply valve 44 is controlled to switch the water supply path 43 from the first water supply channel 431 to the second water supply channel 432, and water to the inside of the water tank 20 via the second water supply channel 432. Start supplying.

When the second time t2 (for example, 10 seconds) has elapsed from the time when the supply of water to the inside of the water tank 20 via the second water supply channel 432 is started, the finishing agent input control unit 101 controls the water supply valve 44. Then, the supply of water to the inside of the water tank 20 via the second water supply channel 432 is stopped. Then, when the third time t3 (for example, 10 seconds) has elapsed from the time when the supply of water to the inside of the water tank 20 via the second water supply channel 432 is stopped, the finishing agent input control unit 101 is again used. The supply of water to the inside of the water tank 20 via the second water supply channel 432 is started. The water supply to the inside of the water tank 20 through the second water supply channel 432 for the second time is the first from the time when the water supply to the inside of the water tank 20 through the second water supply channel 432 is started. It is performed until 4 hours t4 (for example, 55 seconds) has elapsed.

When the fourth hour t4 elapses from the time when the water supply to the inside of the water tank 20 via the second water supply channel 432 is started, the finishing agent input control unit 101 detects the water tank by the water level sensor 61. Based on the water level inside the water tank 20, it is determined whether or not the water level inside the water tank 20 is a preset water level. When it is determined that the water level inside the water tank 20 is a preset water level, the finishing agent charging control unit 101 controls the water supply valve 44 to enter the water tank 20 via the second water supply channel 432. Stop the water supply. On the other hand, when it is determined that the water level inside the water tank 20 is not the preset water level, the finishing agent charging control unit 101 is in the order until it is determined that the water level inside the water tank 20 is the preset water level. 2 Water is supplied to the inside of the water tank 20 via the water supply channel 432.

The final rinsing step is the rinsing step performed when the rinsing step is performed only once, and the final rinsing step among the rinsing steps performed multiple times when the rinsing step is performed a plurality of times. be.

For example, in the final rinsing step, when water is supplied to the inside of the water tank 20 through the second water supply channel 432 without supplying water to the inside of the water tank 20 through the first water supply channel 431. First, the water containing the finishing agent supplied to the inside of the water tank 20 may flow into the drainage path 51 and settle in the drainage duct 54 or the like without adhering to the laundry 110. In this case, in order to attach the amount of the finishing agent intended by the user to the laundry 110, it is necessary to add a larger amount of the finishing agent than originally required.

In the drum type washing machine 1 of the first embodiment, in the final rinsing step, water is supplied from the water supply unit 41 to the inside of the water tank 20 via the first water supply channel 431, and then the water supply path 43 is connected from the first water supply channel. It switches to the second water supply channel and supplies water from the water supply section to the inside of the water tank via the second water supply channel. That is, after the water containing no finishing agent is supplied to the inside of the water tank 20, the water containing the finishing agent is supplied. As a result, the finishing agent can be contained in the water supplied to the inside of the water tank 20 without settling on the bottom of the water tank 20, so that the efficiency of adhesion of the finishing agent to clothing can be improved.

Further, when a predetermined time (that is, the first time t1) has elapsed from the time when the water supply to the inside of the water tank 20 via the first water supply channel 431 is started, the water supply path 43 is first set. The water supply channel 431 is switched to the second water supply channel 432 to start supplying water to the inside of the water tank 20 via the second water supply channel 432. As a result, it is possible to increase the efficiency of adhesion of the finishing agent to clothing with a simple structure.

Further, the drainage path 51 for draining the water inside the water tank 20 to the outside, the circulation path 70 connected to the drainage path 51 and the inside of the water tank 20, and the circulation path 70 are arranged to drain water from the inside of the water tank 20. It is further provided with a circulation pump 71 that returns the water flowing through the path 51 to the inside of the water tank 20 and circulates it. For example, in the final rinsing step, the circulation pump 71 is controlled so that the water flowing from the inside of the water tank 20 to the drainage path 51 is returned to the inside of the water tank 20 and circulated to settle the finishing agent on the bottom of the water tank 20. It can be reliably contained in the water supplied to the inside of the water tank 20 without any problem. As a result, the efficiency of adhesion of the finishing agent to clothing can be further increased.

(Second Embodiment)
In the drum-type washing machine 1 of the first embodiment, one water supply valve 44 switches between the first water supply channel 431 and the second water supply channel 432, but the present invention is not limited to this. For example, a water supply valve may be provided in each of the first water supply channel 431 and the second water supply channel 432. Assuming that the water supply valve provided in the first water supply channel 431 is the main water supply valve and the water supply valve provided in the second water supply channel 432 is the sub water supply valve, in the final rinsing process, the finishing agent input control unit 101 is the main water supply valve and The sub water supply valve is controlled on / off as shown in FIG. As a result, after water is supplied from the water supply unit 41 to the inside of the water tank 20 via the first water supply channel 431, the water supply path 43 is switched from the first water supply channel 431 to the second water supply channel 432 from the water supply unit 41. Water is supplied to the inside of the water tank 20 via the second water supply channel 432.

(Third Embodiment)
In the drum-type washing machine 1 of the first embodiment, the water supply path 43 is set when a predetermined time has elapsed from the time when the water supply to the inside of the water tank 20 through the first water supply channel 431 is started. The first water supply channel 431 is switched to the second water supply channel 432, but the present invention is not limited to this. For example, the water supply path 43 may be switched from the first water supply channel 431 to the second water supply channel 432 depending on the water level inside the water tank 20 detected by the water level sensor 61, or the water supply channel 20 via the first water supply channel 431 may be switched. When a preset amount of water (for example, 2 liters) is supplied to the inside of the water tank 20 from the time when the water supply to the inside is started, the water supply path 43 is changed from the first water supply channel 431 to the second water supply channel 432. You may switch to.

(Fourth Embodiment)
In the drum type washing machine 1 of the first embodiment, the water flowing from the inside of the water tank 20 to the drainage path 51 is arranged in the circulation path 70 connected to the drainage path 51 and the inside of the water tank 20 and the circulation path 70. Is provided with a circulation pump 71 for returning the water to the inside of the water tank 20 to circulate, but the present invention is not limited to this. The circulation path 70 and the circulation pump 71 can be omitted depending on the design of the drum type washing machine 1 and the like.

Here, the final rinse of the drum-type washing machine 1 (with circulation path 70 and circulation pump 71) of the first embodiment and the drum-type washing machine 1 (without circulation path 70 and circulation pump 71) of the fourth embodiment. In the process, the amount of adhesion of the finishing agent when water is supplied to the inside of the water tank through the first water supply channel and then to the inside of the water tank through the second water supply channel. Finishing when water is supplied to the inside of the water tank 20 through the second water supply channel 432 without supplying water to the inside of the water tank 20 through the first water supply channel 431 in the final rinsing step. The amount of the agent adhered was measured.

(Measurement condition)
-As the laundry 110, 2 kg of JIS cloth + 5 new towels were used.
・ No detergent was used.
-As a finishing agent, 12 ml of a commercially available softener was used.
-The laundry 110 was housed in the drum 30, and one cycle operation was performed on the washing course (standard), and after the washing course was completed, the amount of the finishing agent adhered to each towel was measured. The amount of the finishing agent adhered was measured by measuring the odor of each towel.
The odor of each towel was measured when (1) immediately after the washing course was completed, (2) it was naturally dried, and (3) it was dried using the heat pump unit 81. For (2) and (3), the odor was measured by rubbing a dried towel.

In the drum type washing machine 1 (with the circulation path 70 and the circulation pump 71) of the first embodiment, the following results were obtained. That is, in the final rinsing step, when water is supplied to the inside of the water tank 20 through the second water supply channel 432 without supplying water to the inside of the water tank 20 through the first water supply channel 431. When the amount of adhesion (odor) of the finishing agent is 1, water is supplied to the inside of the water tank through the first water supply channel, and then water is supplied to the inside of the water tank through the second water supply channel. The amount of adhesion (odor) of the finishing agent in the case of (1) immediately after the end of the washing course was 1.0 times, but (2) in the case of natural drying, it was 2.1 times, (3). ) When dried using the heat pump unit 81, it was 1.7 times.

Further, in the drum type washing machine 1 (without the circulation path 70 and the circulation pump 71) of the fourth embodiment, the following results were obtained. That is, in the final rinsing step, when water is supplied to the inside of the water tank 20 through the second water supply channel 432 without supplying water to the inside of the water tank 20 through the first water supply channel 431. When the amount of adhesion (odor) of the finishing agent is 1, water is supplied to the inside of the water tank through the first water supply channel, and then water is supplied to the inside of the water tank through the second water supply channel. The amount of adhesion (odor) of the finishing agent in the case of (1) immediately after the end of the washing course is 1.7 times, and (2) in the case of natural drying, it is 2.1 times, and (3). ) When dried using the heat pump unit 81, it was 2.0 times.

From the measurement results, in the final rinsing process, water is supplied to the inside of the water tank through the first water supply channel, and then water is supplied to the inside of the water tank through the second water supply channel. It was found that the efficiency of adhesion of the finishing agent to clothing was increased. Further, it was found that in the drum type washing machine 1 which does not have the circulation path 70 and the circulation pump 71, the efficiency of adhesion of the finishing agent to clothes is further increased.

Although various embodiments of the present invention have been described in detail with reference to the drawings, finally, various aspects of the present invention will be described.

The drum-type washing machine 1 according to the embodiment of the present invention
Aquarium 20 and
A drum 30 rotatably arranged inside the water tank 20 and accommodating the laundry 110, and
The water supply unit 41 to which water is supplied from the outside and
A detergent case 42 having a first storage unit 421 capable of storing detergent and a second storage unit 422 provided independently of the first storage unit 421 and capable of storing a finishing agent.
The water supplied from the water supply unit 41 is connected to the inside of the water supply unit 41 and the water tank 20 via the first storage unit 421, and the water supplied from the water supply unit 41 flows into the water tank 20 via the first storage unit 421. 1st water supply channel 431 and
The water supplied from the water supply unit 41 is connected to the inside of the water supply unit 41 and the water tank 20 via the second storage unit 422, and flows into the inside of the water tank 20 via the second storage unit 422. 2nd water supply channel 432 and
A water supply switching unit 44 capable of switching the water supply path 43 for supplying the water supplied from the water supply unit 41 to the inside of the water tank 20 to the first water supply channel 431 or the second water supply channel 432.
In the final rinsing step, after water is supplied from the water supply unit 41 to the inside of the water tank 20 via the first water supply channel 431, the water supply path 43 is changed from the first water supply channel 431 to the second water supply channel 432. With the finishing agent input control unit 101 that controls the water supply unit 41 and the water supply switching unit 44 so as to supply water from the water supply unit 41 to the inside of the water tank 20 via the second water supply channel 432. To prepare for.

According to the drum type washing machine 1 of the above embodiment, in the final rinsing step, water is supplied from the water supply unit 41 to the inside of the water tank 20 via the first water supply channel 431, and then the water supply path 43 is connected to the first water supply channel. Is switched to the second water supply channel, and water is supplied from the water supply unit to the inside of the water tank via the second water supply channel. That is, after the water containing no finishing agent is supplied to the inside of the water tank 20, the water containing the finishing agent is supplied. As a result, the finishing agent can be contained in the water supplied to the inside of the water tank 20 without settling on the bottom of the water tank 20, so that the efficiency of adhesion of the finishing agent to clothing can be improved.

Further, the drum type washing machine 1 of one embodiment is
The finishing agent input control unit 101 is
When a predetermined time t1 has elapsed from the time when the supply of water to the inside of the water tank 20 via the first water supply channel 431 has elapsed, the water supply path 43 is changed from the first water supply channel 431 to the above. It switches to the second water supply channel 432 and starts supplying water to the inside of the water tank 20 via the second water supply channel 432.

According to the drum-type washing machine 1 of the above-described embodiment, it is possible to increase the efficiency of adhesion of the finishing agent to clothes with a simple configuration.

Further, the drum type washing machine 1 of one embodiment is
A drainage route 51 for draining the water inside the water tank 20 to the outside,
A circulation path 70 connected to the drainage path 51 and the inside of the water tank 20 and
Further provided is a circulation pump 71 which is arranged in the circulation path 70 and returns the water flowing from the inside of the water tank 20 to the drainage path 51 to the inside of the water tank 20 to circulate.

According to the drum-type washing machine 1 of the above embodiment, for example, in the final rinsing step, the circulation pump 71 is controlled to return the water flowing from the inside of the water tank 20 to the drainage path 51 and circulate it back to the inside of the water tank 20. As a result, the finishing agent can be reliably contained in the water supplied to the inside of the water tank 20 without settling on the bottom of the water tank 20. As a result, the efficiency of adhesion of the finishing agent to clothing can be further increased.

By appropriately combining any of the various embodiments or modifications thereof, the effects of each can be achieved. Further, a combination of embodiments, a combination of examples, or a combination of an embodiment and an embodiment is possible, and a combination of features in different embodiments or examples is also possible.

1 Drum type washing machine 10 Outer box 11 Opening 12 Door 13 Operation display 14 Suspension 20 Water tank 21 Opening 22 Drainage port 30 Drum 31 Opening 32 Through hole 33 Main motor 40 Water supply device 41 Water supply unit 42 Detergent case 421 1st Containment section 422 2nd accommodating section 43 Water supply path 431 1st water supply channel 432 2nd water supply channel 44 Water supply valve 50 Drainage device 51 Drainage path 52 Filter case 53 Drainage valve 54 Drainage duct 55 Drainage hose 56 Lint filter 57 Air trap 58 Pressure conduction Pipe 61 Water level sensor 62 Rotation speed sensor 63 Voltage sensor 64 Acceleration sensor 70 Circulation path 71 Circulation pump 81 Heat pump unit 82 Blower fan 90 Rotation axis 100 Control device 101 Finishing agent input control unit 110 Washing machine

Claims (3)

With a water tank
A drum that is rotatably arranged inside the above aquarium and houses laundry,
The water supply section where water is supplied from the outside and
A detergent case having a first storage portion capable of storing detergent and a second storage portion provided independently of the first storage portion and capable of storing a finishing agent.
A first water supply channel connected to the inside of the water supply unit and the water tank via the first storage unit, and the water supplied from the water supply unit flows into the inside of the water tank via the first storage unit.
A second water supply channel connected to the inside of the water supply unit and the water tank via the second storage unit, and the water supplied from the water supply unit flows into the inside of the water tank via the second storage unit.
A water supply switching unit that can switch the water supply path for supplying the water supplied from the water supply unit to the inside of the water tank to the first water supply channel or the second water supply channel.
In the final rinsing step, after water is supplied from the water supply unit to the inside of the water tank through the first water supply channel, the water supply path is switched from the first water supply channel to the second water supply channel to supply water. The process of supplying water from the unit to the inside of the water tank via the second water supply channel is the initial water supply time, the temporary stop water supply time for suspending the water supply in the middle, and the second water supply time longer than the initial water supply time. A drum-type washing machine including a water supply unit and a finishing agent input control unit that controls the water supply switching unit so as to include time . In the drum type washing machine of claim 1,
The finishing agent input control unit is
When a predetermined time has elapsed from the start of water supply to the inside of the water tank through the first water supply channel, the water supply path is changed from the first water supply channel to the second water supply channel. A drum-type washing machine that switches and starts supplying water to the inside of the water tank via the second water supply channel. In the drum type washing machine of claim 1 or 2.
A drainage route that drains the water inside the aquarium to the outside,
The circulation route connected to the drainage route and the inside of the water tank,
A drum-type washing machine that is arranged in the circulation path and further includes a circulation pump that returns the water flowing from the inside of the water tank to the drainage path to the inside of the water tank and circulates the water.

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