KR0182527B1 - Vacuum type washing machine - Google Patents

Abstract

The present invention relates to a vacuum washing machine, the inner tank 12 into which the washing water (W) and the laundry (C) are put, the outer tank (14) coupled to the outside of the inner tank (12), and the inner tank (12). The heater means 22 for washing, dehydrating and drying the heated washing water W inside the vacuum tank 40 and the vacuum pump 40 for reducing the internal air pressure of the inner and outer tanks 12 and 14, respectively. The internal pressure is set to a low pressure lower than atmospheric pressure so that washing is performed by the impact force of cavitation generated in the washing water boiled at low temperature, and dehydration and drying administration are simultaneously performed under low pressure, thereby increasing washing power and washing at the same time. The time can be significantly shortened, and since no driving means is adopted, quiet operation is possible without any generation of vibration and noise, and the impact force caused by the cavitation phenomenon of washing water By performing the will to avoid damage to the laundry.

Description

Vacuum washer

1 is an overall cross-sectional view showing a conventional general washing machine.

2 is an overall cross-sectional view showing a vacuum washing machine according to the present invention.

3 is an enlarged cross-sectional view showing the main part of the vacuum washing machine according to the present invention.

* Explanation of symbols for main parts of the drawings

12: Article 14: The external

18a: through hole 18: support member

22: heater means 38: exhaust pipe

40: vacuum pump 42: water separation means

44: condensation case 48: condensation tube

50: third drain valve C: laundry

W: Washing water

The present invention relates to a washing machine for washing laundry, such as clothing, and more particularly, to reduce the internal pressure of the washing machine to perform washing by the cavitation phenomenon of the washing water boiling at a relatively low temperature, and also to allow drying. It's about a washing machine.

In general, a washing machine is agitated washing machine in which the agitator is inverted in the left and right directions with the vertical axis as a point to form water flow in the washing water, and the washing machine is strong in the washing water while the pulsator is inverted from the bottom of the washing tank to the left and right. Vortex-type washing machine for washing by forming water flow, vibrating washing machine vibrating the washing water by vibrating plate mounted on the bottom of the washing tank, and rotating the drum formed with a plurality of holes to give impact to laundry The washing machine is classified into a drum type washing machine for washing, and each washing method is to wash the water by forming a stream of water in the washing water.

In the conventional vortex type washing machine mainly used in such a washing machine, as shown in FIG. 1, a washing tank 2 for storing wash water therein is fixedly installed inside the washing machine main body 1, and the washing tank 2 Inside the slit, a dewatering tank 3 in which a plurality of dewatering holes 3a are formed on the side wall is provided freely for rotation.

And, the lower surface of the washing tank (2) is equipped with a drive motor (4) for generating a rotational force in accordance with the operation, on one side receives the rotational force generated by the drive motor (4) by the belt member (5) A deceleration means (6) is provided to decelerate, and inside the dehydration tank (3), a stirring blade (7) for forming a stream of water in the washing water is inverted left and right by the rotational force transmitted from the deceleration means (6). It is rotatably coupled.

Therefore, when a predetermined amount of laundry is put into the washing tank 2 and an operation unit (not shown) is selected, the washing water 2 is supplied with a predetermined amount of washing water, and then the driving motor 4 is operated to generate rotational force. At this time, the generated rotational force is transmitted to the deceleration means 6 through the belt member 5, and then sufficiently decelerated and transmitted to the stirring blade 7, and the stirring blade 7 is inverted in the left and right directions to the wash water. Washing is performed by forming a stream of water.

Then, when washing is performed for a predetermined time, the washing water is discharged to the outside of the washing machine main body 1 by the drainage means 8, and then by the operation of the dehydration tank 3 which is rotated at a high speed after several rinsing is performed. When dehydration is done, washing is completed.

Such a conventional washing machine has problems such as not only generating severe vibration and noise during operation by employing a driving motor to operate the stirring blade and the dehydration tank but also causing the laundry to be easily damaged by the powerful water flow of the washing water. there was.

In addition, in order to increase the solubility of the detergent and at the same time to improve the washing power of the laundry, it is also inherent a problem that the use is very inconvenient to supply hot water suitable for washing separately.

The present invention has been invented to solve the problems of the prior art as described above, an object of the present invention is to increase the washing power by boiling, washing the water under air pressure lower than atmospheric pressure to wash, rinse, dehydrate and dry the laundry. And at the same time to provide a vacuum washing machine that performs washing without damaging the laundry.

Another object of the present invention is to provide a vacuum washing machine that does not generate vibration and noise and is very quiet in operation.

Vacuum-type washing machine according to the present invention made to achieve the above object is the inner tank to which the washing water and the laundry is put, the outer tank coupled to the outside of the inner tank, the washing water in the inner tank to wash, dehydrate and It consists of a heater means for drying and a vacuum pump for reducing the internal pressure of the inner and outer tanks to form an inner pressure of the inner tank and the outer tank to a low pressure lower than atmospheric pressure, so that the impact force caused by the cavitation phenomenon generated in the wash water boiled at low temperature. The washing is performed and the dehydration and drying process are simultaneously performed under low pressure, thereby increasing the washing power and significantly reducing the washing time, and by not adopting the driving means, there is no vibration and noise. Operation is possible, especially depending on the cavitation phenomenon of the washing water By carrying out the washing by gyeokryeok and in that characterized in that to avoid damage to the laundry.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to FIGS. 2 and 3 of the accompanying drawings.

Figure 2 is an overall combined cross-sectional view showing a vacuum washing machine according to an embodiment of the present invention, Figure 3 is an enlarged cross-sectional view showing the main portion of the present invention, the reference numeral 10 in the drawing represents a washing machine body.

An inner tank 12 having an upper side formed therein is fixedly installed in the washing machine main body 10, and an outer tank 14 storing the washing water W discharged from the inner tank 12 outside the inner tank 12. Is fixedly installed at a predetermined interval, and the lid 16 is tightly coupled to the upper side of the inner tank 12 and the outer tank 14.

The volume of the outer tub 14 is more preferably several times larger than the volume of the inner tub 12, for example, two times or more, so that the washing water W discharged after washing and rinsing in the inner tub 12 is possible. .

In addition, a supporting member 18 having a plurality of through holes 18a is fixed to the lower side of the inner tank 12, and the washing water W in the inner tank 12 is disposed in the heating chamber 20 formed at the lower side thereof. ) And a heater means 22 for heating and washing the laundry (C) to perform dehydration and drying process. The washing water used for washing and rinsing administration is provided below the heating chamber 20. A first drain valve 24 for discharging W) is formed.

In addition, a second drain valve 26 for discharging the washing water W stored therein is formed at a bottom of the outer tub 14, and the second drain valve 26 of the washing machine main body 10 is formed. A drain pipe 28 for discharging the washing water W to the outside is connected.

On one side of the outer tub 14, a water supply valve 34 for selectively controlling the wash water W supplied from the tap water 30 and supplying the inner tub 12 to the inner tub 12 through a water supply pipe 32 is formed. .

On the other hand, an exhaust pipe 38 in which an exhaust valve 36 is coupled to the inner tank 12 and the outer tank 14 is connected, and the internal air of the inner tank 12 and the outer tank 14 is connected to the exhaust pipe 38. A vacuum pump 40 for forcibly discharging to reduce the internal pressure is connected to the lower side of the washing machine main body 10.

And, in the middle of the exhaust pipe 38, water separation means 42 for separating the water contained in the air exhausted from the inner tank 12 and the outer tank 14 is formed.

The water separation means 42 is a condensation case 44 for temporarily storing the water separated from the exhaust air introduced through the exhaust pipe 38 and a condensate supply pipe for supplying condensed water in accordance with the operation of the water supply valve 34. Condensation tube 48 formed in the 46, the condensation tube 48 is located in the condensation case 44 and is condensed as the hot exhaust air contacts the surface to separate the moisture contained in the air .

The condensation tube 48 is more preferably formed in a coil shape to increase the contact portion with the air to improve the condensation effect.

In addition, the front end of the condensate water supply pipe 46 is connected to one side of the drain pipe 28, the bottom of the condensation case 44, the third drain valve for discharging the water separated from the air through the drain pipe 28 50 is formed.

In the drawing, reference numeral 52 denotes a water level sensor for sensing the level of the wash water W supplied into the inner tank 12, and reference numeral 54 denotes a temperature sensor for sensing the temperature in the heating chamber 20. Reference numeral 56 denotes a packing member inserted into the inner edge of the lid 16 to seal.

Next, the operation and effects of the vacuum washing machine according to the present invention configured as described above will be described in detail.

First, when a predetermined amount of laundry (C) is put into the inner tank 12 and the lid 16 is closed, the lid 16 is tightly closed from the upper side of the inner tank 12 and the outer tank 14 by the packing member 56. Coupled to maintain a closed state.

In addition, the washing water (W) supplied from the tap water 30 in accordance with the opening operation of the water supply valve 34 is supplied to the inner tank 12 through the water supply pipe 32, by the water level detection sensor 52 When the appropriate amount of washing water W is supplied, the water supply valve 34 is closed, thereby completing the water supply.

Subsequently, the exhaust valve 36 is opened and at the same time the vacuum pump 40 is operated to exhaust the air in the inner tank 12 and the outer tank 14 into the exhaust pipe 38 and release it into the atmosphere. At the same time as the internal pressure of the outer tub 14 and the outer tank 14 are reduced, the heater means 22 operates to heat the washing water W.

At this time, when the internal air pressure of the inner tank 12 and the outer tank 14 becomes a low pressure state lower than atmospheric pressure, the boiling point of the washing water W is formed at a low temperature, thereby cavitation by boiling of the washing water W. A phenomenon occurs, and washing is performed by applying an impact force to the laundry C by the cavitation phenomenon generated at this time.

That is, when the internal pressure of the inner tank 12 and the outer tank 14 is lower than atmospheric pressure, for example, the internal pressure is 0.075 kg / cm 2, the boiling point of the washing water W is formed at about 40 ° C., and the internal pressure is 0.125 kg. In / cm2, the boiling point of the washing water (W) is formed at about 50 ° C, so that the impact force caused by the cavitation phenomenon generated in the washing water (W) boiled at a low temperature separates the dirt, etc. adsorbed to the laundry (C). It is possible to wash.

When washing is performed while maintaining the internal air pressure of the inner tank 12 and the outer tank 14 at a proper pressure for a predetermined time, the first drain valve 24 is opened to wash the water W in the inner tank 12. When discharged to the inside of the outer tub 14, the washing stroke is completed.

At this time, the internal air pressure of the inner tank 12 and the outer tank 14 is maintained the same to allow the discharge of the washing water (W), the washing water (W) discharged into the first drain valve 24 is the outer tank ( 14), the temperature of the wash water W in the inner tank 12 is properly maintained by the temperature sensor (54).

Subsequently, according to the operation of the water supply valve 34, a predetermined amount of washing water W is supplied into the inner tank 12, and then several rinsing cycles are performed in the same manner as in the above-described washing administration.

In addition, the washing water W used at the time of the rinsing stroke is also drained in accordance with the operation of the first drain valve 24 and stored in the outer tub 14.

Subsequently, the vacuum pump 40 is operated to depressurize the internal air pressure in the inner tank 12 and the outer tank 14 more than at the time of washing, so that the atmospheric pressure boiling at room temperature, for example, the internal air pressure is washed at about 25 ° C. ( If the W) is maintained at 0.032 kg / cm 2, the water absorbed in the laundry C is heated and evaporated, and the steam generated at this time is discharged through the exhaust pipe 38 according to the operation of the vacuum pump 40. It is introduced into the water separation means 42.

In addition, the air containing the water introduced into the water separation means 42 is separated from the water and stored in the condensation case 44, the air separated from the water is discharged into the atmosphere through the vacuum pump 40 to wash the laundry (C ) Dehydration and drying administration will be done at the same time.

That is, the air containing water introduced into the condensation case 44 through the exhaust pipe 38 according to the operation of the vacuum pump 40 is a condensation tube through which water supplied through the operation of the water supply valve 34 passes ( Condensed by contact with the surface of 48) to separate the water, wherein the separated water is stored in the condensation case 44, the air from which the water is separated is discharged into the atmosphere.

At this time, when the heater means 22 is operated during the dehydration and drying stroke, heat generated from the heater means 22 is introduced into the inner tub 12 through the plurality of through holes 18a formed in the support member 18. In addition to significantly shortening the dehydration and drying time, the internal air pressure of the inner tank 12 and the outer tank 14 can be formed at the same pressure as that of the washing, thereby performing dehydration and drying administration.

When the dehydration and drying stroke is completed, the exhaust valve 36 and the vacuum pump 40 operate to maintain the interior of the inner tank 12 and the outer tank 14 at atmospheric pressure, and then the second and third drain valves. (26) (50) is opened to discharge the wash water (W) stored in the outer tub (14) and the water stored in the condensation case (44) to the drain pipe (28).

As described above, according to the vacuum washing machine according to the present invention, the internal air pressure of the inner tank and the outer tank is formed at a low pressure lower than atmospheric pressure so that washing is performed by the impact force caused by the cavitation phenomenon generated in the washing water boiled at low temperature. The dehydration and drying process can be performed under low pressure at the same time, which increases washing power and significantly shortens the washing time.Since no driving means is adopted, quiet operation is possible without any vibration and noise, especially washing. Washing is performed by the impact force according to the number of cavitation phenomena, and various excellent effects can be prevented, such as preventing damage to laundry.

Claims (2)

Laundry (C) is introduced therein while the inner tank 12 into which the washing water (W) flows through the water supply valve (34), the outer tank (14) coupled to the outer side of the inner tank (12), and the inner tank (12) a heater means (22) for washing the washing water (W) in the washing and dewatering and drying, and an exhaust valve (36) and an exhaust pipe so as to reduce the internal air pressure of the inner tank (12) and the outer tank (14). In the vacuum washing machine consisting of a vacuum pump 40 coupled via 38, the drain valve 26 in the lower side of the outer tub 14 so as to drain the wash water stored in the outer tub 14 via a medium. Connected to the drain pipe 28, the condensation case 44 in the middle of the exhaust pipe 38 between the exhaust valve 36 and the vacuum pump 40, and the air is located in the condensation case 44 Accordingly, the inlet side is connected to the water supply valve 34 so that the water contained in the air is condensed and separated, and the outlet side thereof is connected to the drain pipe 28. The condensation tube 48 and a drain valve 50 coupled to the lower side of the condensation case 44 so as to discharge the water in the condensation case 44 to the drain pipe 28. A support member 18 having the plurality of through holes 18a is disposed at an inner lower side of the inner tank 12 so as to facilitate the transfer of heat generated by the heater means 22. A vacuum washing machine, characterized in that the drain valve 24 for draining to (14) is coupled. The vacuum washing machine according to claim 1, wherein the condensation tube (48) is formed in a coil shape.