KR20040088885A - Drum washer by spray steam - Google Patents

Abstract

PURPOSE: A steam jet-type drum-washing machine is provided to improve the washing and sterilizing performance by spraying washing water of the lower side of a tub and then heating the washing water and making steam jet to the upper side of the tub. CONSTITUTION: A steam jet-type drum-washing machine comprises a tub(56) installed in a cabinet in a suspended state, to receive washing water; a circulation pump(70) installed in the middle of a circulation passage(72) connecting the lower side and upper side of the tub, to pump the washing water; an atomizing unit(80) installed in the middle of the circulation passage, to spray the washing water discharged from the circulation pump; and a steam generating device(90) installed in the middle of the circulation passage to be connected to the atomizing unit. The steam generating device heats washing water particles passing through the atomizing unit, converts the washing water particles into steam, and supplies the steam to the tub.

Description

Drum washer by spray steam

The present invention relates to a drum washing machine for washing laundry by dropping the laundry to a certain height, and in particular, a steam jet drum washing machine that can improve sterilization and washing performance by spraying high temperature and high pressure steam into the tub and drum. It is about.

In general, the drum washing machine washes by using friction between the drum and the laundry rotated by the driving force of the motor in the state in which the detergent and the washing water and the laundry are put in the tub and the drum which are horizontally installed. Not tangled, pounding and rubbing has a laundry effect.

1 is a perspective view showing a drum washing machine according to the prior art, Figure 2 is a side cross-sectional view showing a drum washing machine according to the prior art.

A conventional drum washing machine is installed to suspend a cabinet (2) forming an exterior as shown in Figs. 1 and 2 and a spring (4) inside the cabinet (2) and at the same time by a damper assembly (5). A tub 6 installed to be supported, a drum 8 rotatably installed inside the tub 6, in which washing water and laundry are contained, and protruding from the inner wall of the drum 8 at regular intervals. And a lift 8a for pulling up and dropping laundry as the drum 8 rotates, and a motor for rotating the drum 8 to be connected to the drum 8 at the rear of the tub 6. It comprises a (10).

In addition, the drum washing machine is installed on the upper side of the tub (6) and the water supply valve assembly 12 and the detergent box assembly 14 for supplying the washing water and detergent to the tub 6 and the drum (8), A drain pump assembly 16 is installed below the tub 6 to drain the wash water inside the tub 6 and the drum 8.

Here, the drum 8 has a plurality of dehydration holes (8h) formed on the inner wall surface so that the washing water can flow freely to the drum (8) and the tub (6) side as well as wash water from the laundry by centrifugal force during dehydration The water supply valve assembly 12 and the drain pump assembly 16 are configured to include a water supply valve (not shown) and a drain pump (not shown), respectively, to be washed according to the operation of the water supply valve and the drain pump. Water or drain the water.

In particular, the lower side of the tub 6 is equipped with a heater 20 so as to improve the washing performance by heating the wash water inside the tub 6 to a high temperature, the tub 6 is the heater 20 Heater mounting portion (6a) is formed to protrude downward to the bottom so that it can be mounted.

Looking at the operation of the prior art configured as described above are as follows.

First, when a washing stroke is performed in a state in which laundry is contained in the drum 8, the water supply valve is operated to open the washing water to be supplied into the tub 6 and the drum 8, but the washing water is supplied to the water supply. Passing through the valve assembly 12 and the detergent box assembly 14 is supplied into the tub 6 with detergent, an appropriate amount of washing water is supplied to the tub 6 in accordance with the amount of laundry.

Then, the motor 10 is operated to rotate the drum 8, the lift 8a raises the laundry to a certain height, and then washes the laundry to fall, the heater according to the user's setting 20 may be operated to heat the washing water inside the tub 6 to improve washing performance.

When the washing stroke is completed as described above, the drainage pump is operated to drain the washing water, and then the motor 10 is operated at high speed to rotate the drum 8 at high speed so that the washing water from the laundry is centrifugal. Intermittent dehydration proceeds by exiting, and the water supply valve is opened again to supply washing water and at the same time the drum 8 rotates to rinse.

As such, rinsing and intermittent dehydration are repeatedly operated, and finally, the dehydration stroke is performed to complete the washing.

However, in the conventional drum washing machine, the washing water passing through the water supply valve assembly is supplied to the upper side of the tub 6 together with the detergent while passing through the detergent box assembly 14, and then a heater installed inside the tub 6. Since it is heated by 20), there is a problem in that the washing of the laundry is not performed quickly as the cold washing water is supplied during the initial water supply.

In the conventional drum washing machine, since the heater mounting portion 6a is formed to protrude downward in order to mount the heater 20 for heating the washing water inside the tub 6, the heater mounting portion ( When a separate space for forming 6a) is required and the wash water is supplied to the tub 6, the washing water is also contained in the heater mounting portion 6a so that the washing water is wasted and the heater mounting portion 6a There is a problem that the detergent remains to degrade the washing performance.

The present invention has been made in order to solve the problems of the prior art, steam spray drum washing machine that can improve the washing and sterilization performance by spraying the washing water of the lower side of the tub, then heated to spray the steam to the upper side of the tub The purpose is to provide.

1 is a perspective view of a drum washing machine according to the prior art,

Figure 2 is a side sectional view showing a drum washing machine according to the prior art,

3 is a perspective view showing a steam jet drum washing machine according to the present invention;

Figure 4 is a side sectional view showing a steam jet drum washing machine according to the present invention,

5 is a cross-sectional view showing the atomization means according to the present invention,

6 is a sectional view showing a steam generator according to the present invention.

<Explanation of symbols on main parts of the drawings>

52: cabinet 56: tub

58: drum 60: motor

70: circulation pump 72: circulation passage

74: drainage passage 80: atomization means

82: case 84: blowing fan

85: biaxial motor 86: disk

88: diffusion network 90: steam generator

92 container 94 heater

96: temperature sensor

The steam jet drum washing machine according to the present invention for solving the above problems is installed on the tub to be suspended in the cabinet and the washing water is installed on the tub and a circulation passage connecting the lower side and the upper side of the tub to pump the washing water. Atomization means installed on the circulation passage so as to be connected to the circulation pump, the circulation passage to spray the washing water discharged from the circulation pump, and installed on the circulation passage so as to be connected to the atomization means and pass through the atomization means. And a steam generator for heating one wash water particle to convert it into steam to be supplied to the tub.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 and 4 are a perspective view and a cross-sectional side view showing a steam jet drum washing machine according to the present invention, Figure 5 is a cross-sectional view showing the atomization means according to the present invention, Figure 6 is a steam generator according to the present invention Section.

The steam jet drum washing machine according to the present invention is installed so as to be suspended by a spring (54) inside the cabinet (52) and the cabinet (52) to form an exterior as shown in Figs. Tub 56 is installed so as to be supported by the 55, the drum 58 is rotatably installed inside the tub 56 to contain the wash water and laundry, and a predetermined interval on the inner wall surface of the drum 58 A lift 58a is installed to protrude so that the laundry is pulled up and dropped as the drum 58 is rotated, and the drum 58 is installed to be connected to the drum 58 at the rear of the tub 56. ) Is installed on a motor (60) for rotating the circulation passage (72) connecting the lower portion of the tub (56) and the lower side and the upper portion of the tub (56) to pump washing water along the circulation passage (72). Circulating pump 70 for draining or draining through a drain passage 74 And atomization means 80 installed on the circulation passage 72 so as to be connected to the circulation pump 70 and spraying the washing water discharged from the circulation pump 70, and connected to the atomization means 80. It is configured to include a steam generator 90 is installed on the circulation passage 72 so as to convert the washing water particles passed through the atomization means 80 to steam.

In addition, the drum washing machine is installed to be located above the tub 56, the water supply valve assembly including a water supply valve (not shown) for simultaneously supplying the washing water and detergent into the tub 56 and the drum 58. 62 and detergent box assembly 64 are further included.

In particular, the circulation passage 72 is installed to connect the lower side and the upper side of the tub 56, the circulation pump 70 is installed on the lower circulation passage 72 of the tub 56, the circulation The atomization means 80 is installed on the circulation channel 72 at the rear end side of the pump 70, and the steam generator 90 is installed on the circulation channel 72 at the upper side of the tub 56.

Here, the atomization means 80 is connected to the circulation passage 72 is installed on the suction port (82a) for introducing the washing water is formed on one side and the discharge port (82b) for discharging the washing water particles formed on the upper side ( 82), a blowing fan 84 rotatably installed in the case 82, and blows the washing water particles, and the blowing fan 84 is connected to the upper side to be installed to connect the blowing fan 84. A plurality of centrifugal plates which are installed to be connected to both the rotating shaft motor 85 and the lower shaft motor 85 so as to be positioned at the lower side of the two shaft motor 85 so as to rotate the washing water in the radial direction by centrifugal force while being rotated at the same time as the thorough fan 84 86 and a diffusion network 88 installed to be spaced apart from the outer circumferential surface of the centrifugal plate 86 to spray washing water flowing in the radial direction of the centrifugal plate 86.

In this case, the two-axis motor 85 is installed in the case 82 to be supported in the radial direction, the blowing fan 84 and the centrifugal plate 86 on the upper and lower rotary shafts of the two-axis motor 85, respectively It is installed to be connected.

The steam generator 90 includes a container 92 formed such that an intake port 92a through which the washing water particles passing through the atomization means 80 flows in and a discharge port 92b through which the steam is discharged face each other; A heater 94 installed at an outer circumference of the container 92 and heating the container 92, and installed at one side of the container 92 to operate the heater 94 according to a vapor temperature of the inside of the container 92. It is configured to include a temperature sensor 96 to adjust.

Of course, the container 92 is made of a material that heat transfer relatively quickly, the heater 94 is installed below the container 92, the temperature sensor 96 is the heater above the container 92 It is installed to connect with 94.

On the other hand, the circulation passage 72 is the end 72a is installed through the gasket 75 installed to prevent the leakage of the wash water between the tub 56 and the cabinet 52, the tub 56 of the It is positioned so as to face the rear end of the tub 56 from an upper end side and is formed in a nozzle shape to spray washing water or steam.

Looking at the operation of the present invention configured as described above are as follows.

First, when a washing stroke is performed in a state in which laundry is contained in the drum 58, the water supply valve is operated to open so that the washing water passes through the water valve assembly 62 and the detergent box assembly 64 together with the detergent. Water is supplied to the tub 56 and the drum 58, and an appropriate amount of washing water is supplied into the tub 56 according to the amount of laundry.

When the appropriate amount of wash water is supplied to the tub 56 as described above, the drum 58 is rotated as the motor 60 is operated so that the lift 58a lifts the laundry, and then drops the laundry at a predetermined height. Laundry stroke is performed.

In addition, when the circulation pump 70 is operated according to a user setting while the washing stroke is performed, the washing water is sprayed to the upper side of the tub 56 along the circulation passage 72 under the tub 56. It is possible to improve the washing performance by forming a variety of washing water flow as well as by tapping the laundry by the wash water.

In this case, the circulation pump 70 is operated to open toward the circulation passage 72 according to a user setting, and when the two-axis motor 85 and the heater 94 are operated, washing water is disposed below the tub 56. Since the atomization is sprayed while passing through the atomization means 80 and the steam generator 90, it is converted into steam and sprayed to the upper side of the tub 56 can further improve the washing performance.

In more detail, the wash water pumped from the circulation pump 70 flows into the case 82 along the circulation flow path, and the blower fan 84 and the disc body are operated as the two-axis motor 85 is operated. As the 86 is rotated, the wash water collides with the disc body 86 and bounces in the radial direction, and is filtered and sprayed by the diffusion net 88. The washing water particles sprayed by the diffusion net 88 are blown by It is discharged from the case 82 by the fan 84.

In addition, the washing water particles having passed through the atomization means 80 flow into the container 92 along the circulation passage 72, and the laundry is washed while passing through the container 92 as the heater 94 is operated. The water particles are heated to become steam, and the hot steam is injected above the tub 56 along the circulation passage 72.

Of course, the heater 94 is controlled by the temperature sensor 96 in accordance with the steam temperature in the container 92.

As described above, the washing water under the tub 56 is pumped and passed through the atomization means 80 and the steam generator 90 as the high temperature steam is sprayed to the upper side of the tub 56 during the washing stroke. Washing effect can be improved.

In addition, if the above process is carried out before the appropriate amount of washing water to the tub 56 at the time of initial water supply, it is possible to increase the washing performance because the filling of the laundry is made quickly.

When the washing stroke is completed in this way, the circulation pump 70 is operated to open to the drain flow path 74 to drain the wash water, and then the motor 60 is operated at high speed to operate the drum 58 at high speed. By rotating the wash water from the laundry by centrifugal force, the intermittent dehydration proceeds, and the water supply valve is opened again to supply the wash water and at the same time the drum 58 rotates to rinse.

Next, rinsing and intermittent dehydration are repeatedly operated as described above, and finally, a dehydration stroke is performed to complete washing.

Steam jet drum washing machine according to the present invention configured as described above sprays the washing water on the circulation passage to circulate the washing water to the upper side of the tub in the lower side of the tub, the washing water particles pass through the container heated by the heater Since the steam is generated so that the high temperature steam is sprayed to the upper side of the tub, it is possible not only to quickly carry out the foaming but also to increase the sterilization and washing effect.

In addition, since the steam jet drum washing machine according to the present invention sprays the washing water to heat the washing water particles to be converted into steam, washing with a small amount of washing water at a high temperature can prevent waste of washing water and electrical energy. There is an advantage.

Claims (5)

Tub to be installed to hang inside the cabinet containing the wash water, A circulation pump installed on a circulation passage connecting the lower side and the upper side of the tub to pump the washing water; Atomization means installed on the circulation passage so as to be connected to the circulation pump and atomizing the washing water discharged from the circulation pump; And a steam generator installed on the circulation passage so as to be connected to the atomization means, the steam generating device configured to heat the washing water particles passing through the atomization means to be converted into steam and supplied to the tub. . The method of claim 1, The atomization means is connected to the circulation flow path is provided with a case in which a suction port for washing water flows in and a discharge port for discharging the washing water particles; A blowing fan rotatably installed inside the case; A biaxial motor installed at one end of the blower fan to be connected to rotate the blower fan; A centrifugal plate installed to be connected to the other end of both shaft motors and being rotated simultaneously with the blowing fan; A steam jet drum washing machine, comprising a diffusion network installed to be spaced apart from the outer circumferential surface of the centrifugal plate to spray washing water flowing in the radial direction of the centrifugal plate. The method according to claim 1 or 2, The steam generator is connected to the circulation passage is provided with a container formed with an inlet port for injecting the washing water particles passed through the atomization means and the outlet port for steam discharge; A steam jet drum washing machine, comprising: a heater installed at one side of the vessel and configured to heat the vessel. The method of claim 3, wherein The steam generator is installed on one side of the vessel steam injection drum washing machine further comprises a temperature sensor for controlling the operation of the heater in accordance with the steam temperature in the vessel. The method of claim 1, The circulation passage is a steam jet drum washing machine, characterized in that the end connected to the upper side of the tub is formed in a nozzle shape.