KR102394588B1 - Nano Bubble Washing Machine - Google Patents

Abstract

The present invention is to improve washing efficiency by generating and supplying nanobubbles with respect to the cold water and hot water supplied to the washing machine;
a raw water inlet pipe spatially connected to the raw water supply pipe to which raw water is supplied to receive raw water and supply it to the washing space; In a nano-bubble washing machine comprising a; a dissolution tank having a dissolution space configured to spatially connect the raw water supply pipe and the raw water inlet pipe to receive raw water and to dissolve air in the raw water supplied therein. ; The dissolution tank includes a supply port connected to the raw water supply pipe to supply raw water to the dissolution space, and a discharge port connected to the raw water inlet pipe to drain the bubble water dissolved in air from the dissolution space into the washing space, respectively. a dissolution body provided; It is made to include; In the supply port, an air supply hole for supplying air from the outside when raw water is supplied is formed; The air supply hole provides a nano-bubble washing machine provided to be connected to the outside in a vacuum pressure forming space where a local vacuum pressure is formed by gradually decreasing an inner diameter of the raw water on the movement path of the raw water formed in the supply port and increasing it. do.

Description

Nano Bubble Washing Machine

The present invention relates to a nano-bubble washing machine designed to improve washing efficiency by generating and supplying microbubbles with respect to cold and hot water supplied from the outside. Of course, structurally, there is no need for a separate air supply device, and stable nano-bubbles are generated even when the size of the dissolution space is small. will be.

In general, nanobubbles are 'ultra-fine bubbles' that cannot be seen with the naked eye. They are microscopic air particles less than 25㎛ in pores of the skin with 1/200 of the size of normal bubbles. 2) It generates a high sound pressure of 140db, and 3) It generates an instantaneous high heat of 4,000 to 6,000 degrees.

In other words, normal bubbles rise in water and burst on the surface, but nanobubbles are reduced by pressure in the water, generating various energy and disappearing.

These nanobubbles are microscopic bubbles that occur mainly when water and air are violently rotated.

Such nanobubbles are being utilized in various fields due to their physical and chemical properties such as "gas dissolution effect, self-pressurization effect, and electrification effect". In the medical field, it is used for precise diagnosis, and in various fields, it is used for physical therapy, high-purity water treatment, and environmental devices.

That is, the field of use is extensive from hot spring bathing to cancer diagnosis, and it is known that it regenerates the skin and has an excellent sterilization effect.

In general, a washing machine is configured to automatically perform washing, rinsing, etc. of the laundry by providing an impact by a flow of water to the laundry.

Such washing machines may be classified into a vortex type, an agitator type, and a drum type according to washing methods; In the vortex washing machine, a pulsator is provided at the bottom of the washing tub, and the laundry in the washing tub can be washed, rinsed and dehydrated by using the rotational force of the pulsator. the agitated washing machine has a similar appearance to the vortex washing machine and includes a stirring rod provided in the washing tub to reduce damage to the laundry due to tangling; In the drum type washing machine, a door is installed in front of the washing machine, and a relatively small amount of washing water is used to wash the laundry.

Meanwhile, recently, in order to increase washing efficiency, a washing machine including a bubble generating device for providing air bubbles to the washing tub has also been proposed.

That is, when the bubbles generated by the bubble generating device are put into the washing tub, the bubbles burst due to contact with the laundry and give an impact to the laundry, so that the contaminants attached to the laundry can be effectively removed.

In Korean Patent Application No. 10-2011-0013168 (Name: Bubble generator and washing machine equipped therewith/2011.02.15.), as is known in the publication, a water tank containing wash water and bubbles are generated and supplied to the water tank a bubble generator, a pump that sucks wash water from the water tank and supplies it to the bubble generator; A washing machine is described in which the generator is configured to selectively form either one of a bubble generating flow path for generating bubbles and supplying them to the water tank, and a circulation flow path for guiding wash water to the water tank through a connection pipe.

Meanwhile, in Korean Patent Application No. 10-2013-0161970 (name: washing machine including microbubble generating unit/2013.12.24.), as is known in the publication, a washing machine including a laundry unit capable of washing laundry main body; and a microbubble generating unit generating microbubbles and supplying them to the washing unit, wherein the microbubble generating unit includes: a circulation driving unit that receives washing water from the washing unit and pressurizes the washing water to a high pressure; an air supply unit for supplying air; a mixing unit connected to the circulation driving unit and the air supply unit to mix the washing water and the air; The washing water and the air mixed in the mixing unit pass therethrough, and a washing machine including a slit for forming the microbubbles is described.

Korean Patent Application No. 10-2011-0013168 (2011.02.15.) Korean Patent Application No. 10-2013-01161970 (2013.12.24.)

However, the conventional washing machines as described above have a problem in that usability is limited because they cannot be applied to conventional washing machines.

In addition, there was a problem that the washing efficiency could not be improved due to the low nano-bubble generation efficiency.

The present invention has been proposed to solve the problems described above, and an object of the present invention is to improve usability because it can be applied to an existing washing machine, and structurally, a separate air supply device is unnecessary and , to provide a nano-bubble washing machine that can be economically provided through structural simplification and miniaturization as stable nano-bubbles are generated even when the size of the dissolution space is small.

Nano bubble washing machine according to the present invention for achieving the object of the present invention as described above, the raw water inlet pipe is spatially connected to the raw water supply pipe to receive the raw water to be supplied to the washing space; In a nano-bubble washing machine comprising a; a dissolution tank having a dissolution space configured to spatially connect the raw water supply pipe and the raw water inlet pipe to receive raw water and to dissolve air in the raw water supplied therein. ; The dissolution tank includes a supply port connected to the raw water supply pipe to supply raw water to the dissolution space, and a discharge port connected to the raw water inlet pipe to drain the bubble water dissolved in air from the dissolution space into the washing space, respectively. a dissolution body provided; It is made to include; In the supply port, an air supply hole for supplying air from the outside when raw water is supplied is formed; The air supply hole is characterized in that it is provided so as to be connected to the outside in the vacuum pressure forming space where the local vacuum pressure is formed by increasing the inner diameter after the inner diameter gradually decreases on the movement path of the raw water formed in the supply port.

The nano-bubble washing machine according to the present invention configured as described above includes raw water supply pipes including a cold water pipe to which tap water is directly supplied and a hot water pipe to which tap water is supplied via a heat exchange device, and a cold water pipe and hot water pipe constituting an existing washing machine. It is disposed between the raw water inlet pipes made of According to the difference in the supply pressure of the raw water, the external air is introduced and mixed through the air supply hole according to the vacuum suction force in the vacuum pressure forming space generated on the movement path of the raw water, so that the dissolution tank is dissolved without a separate air supply device. By bubbling in the space to provide the bubble water to the washing space, it has the effect of improving the quality of use.

In addition, structurally, a separate air supply device is unnecessary, and stable nanobubbles are generated even when the size of the dissolution space is small. have

1 is a schematic illustration showing a nano-bubble washing machine according to an embodiment according to the present invention.
Figure 2 is a schematic cross-sectional view of some excerpts showing the dissolution tank constituting the nano-bubble washing machine according to the present embodiment.
Figure 3 is a schematic illustration showing the state of use of the dissolution tank constituting the nano-bubble washing machine according to the present embodiment.
Figure 4 is a schematic illustration of some excerpts showing the supply port of the dissolution body constituting the nano-bubble washing machine according to the present embodiment.
5 is a schematic illustration of some excerpts showing a melting container constituting a nano-bubble washing machine according to this embodiment.
6 is a schematic illustration of some excerpts showing another example of the dissolution body constituting the nano-bubble washing machine according to the present embodiment.

Hereinafter, with reference to the accompanying drawings, the nano-bubble washing machine according to a preferred embodiment of the present invention will be described in detail as follows.

Embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more completely explain the present invention to those of ordinary skill in the art. Accordingly, the shapes of elements in the drawings may be exaggerated to emphasize a clearer description. It should be noted that the same members in each drawing are sometimes shown with the same reference numerals. Detailed descriptions of well-known functions and configurations determined to unnecessarily obscure the gist of the present invention will be omitted.

1 to 5 are views showing a nano-bubble washing machine 1 according to an embodiment according to the present invention. In the nano-bubble washing machine 1 according to this embodiment, tap water is directly supplied to general households and laundries. Raw water (cold water and hot water) is supplied through each raw water supply pipe composed of a cold water pipe supplied and a hot water pipe through which tap water is supplied via a heat exchange device (not shown) to wash laundry in the washing space (C). that is, the raw water inlet pipes 12 are spatially connected to the raw water supply pipes 11 to which the raw water is supplied to receive the raw water and supply it to the washing space (C); A dissolution tank provided with a dissolution space (A) configured to spatially connect between the raw water supply pipes 11 and the raw water inlet pipes 12 to receive raw water and to dissolve air in the raw water supplied therein. (2);

That is, in the state in which the dissolution tank 2 is spatially connected to each of the raw water valves 13 that open and close the raw water supply pipe 11 and the inlet valves 14 of the raw water inlet pipes 12, respectively. , according to the user's selection, in the process of supplying raw water to the washing space C by driving control and washing, the raw water inlet pipe 12 is opened through the control operation of the inlet valve 14 and raw water (tap water) ) is supplied while passing through the dissolution tank (2) the dissolution space (A).

At this time, according to the continuous increase of the air pressure in the dissolution space (A) according to the supply of the raw water, a dissolution pressure at which the dissolution of air occurs in the dissolution space (A) is generated to form nano-bubble water, Nanobubble water is supplied to the washing space (C).

Accordingly, the washing efficiency of the washing machine 1 is maximized.

In the nano-bubble washing machine 1 according to this embodiment, the dissolution tank 2 has a supply port 31 connected to the raw water supply pipe 11 to supply it to the dissolution space A, and the raw water oil a dissolution body 3 connected to the inlet pipe 12 and provided with discharge ports 32, respectively, for draining the bubble water dissolved in air from the dissolution space (A) to the washing space (C); The opened lower portion is bound to the dissolution body (3) while the dissolution vessel (4) forming the dissolution space (A) therein; is made including.

That is, while the dissolution cylinder 4 is coupled to the upper portion of the dissolution body 2, the dissolution while sealing between the upper surface of the dissolution body 3 and the inner surface of the dissolution vessel 4 to the outside A space (A) is formed.

Accordingly, after the raw water supplied from the raw water supply pipe 11 is supplied to the dissolution space A through the supply port 31 and becomes nano-bubbled, the bubbled water through the discharge port 32 is the raw water inlet pipe. It is supplied to the washing space (C) via (12).

At this time. As the dissolution space (A) is filled with raw water, the supply port 31 and the discharge port 32 of the dissolution body 3 form a vacuum state (filled state) with raw water, respectively, and airtightness to the outside will have

Therefore, according to the continuous supply of raw water to the dissolution space (A), the air density in the dissolution space (A) is increased to increase the air pressure, thereby forming the dissolution pressure of the air.

Accordingly, the air remaining in the dissolution space (A) is dissolved in the raw water to be nano-sized to stably generate nano-bubble water.

On the other hand, the dissolution body (3). In a state in which the inlet of the supply port 31 is disposed on the outer surface, the outlet of the supply port 31 is disposed on the upper surface so that the mixed water is supplied from the outside to be supplied to the upper surface, and the inlet of the discharge port 32 on the upper surface In the disposed state, the outlet of the discharge port 32 may be disposed on the outer surface to discharge the mixed water from the outside.

That is, the raw water supplied from the raw water pipe 10 is drained to the outside while being supplied to the dissolution space (A) from the upper surface of the dissolution body (3), the dissolution space located in the upper part of the dissolution body (3) (A) is stably sealed to the outside.

At this time, the outlet of the supply port 31 and the inlet of the outlet 32 are arranged on the upper surface of the dissolution body 3, respectively; Supply and drainage of raw water supplied to the dissolution space (A) is generated at least at the same water level, and the inlet of the supply port 31 and the outlet of the discharge port 32 are in a vacuum state (filled state) by raw water, respectively. It can be formed to have airtightness to the outside.

' 형상으로 이루어질 수 있다.In the above, the melting vessel (4) is assembled while the lower portion is opened and the open lower portion is bound to the upper portion of the melting body (3) to have the melting space (A) and the cross-sectional shape is '

' It can be made into a shape.

That is, the raw water supplied through the supply port 31 of the dissolution body 3 collides with the inner circumferential surface of the dissolution vessel 4 and is formed through the combination of the dissolution body 3 and the dissolution vessel 4 . As the air remaining in the dissolution space (A) is dissolved in raw water through the dissolution pressure formed in the dissolution space (A) in the process of being supplied to the dissolution space (A) and moving to the discharge port (32), it is dissolved and nanoized , after generating the nano-bubble water, it is discharged to a separate discharge pipe (not shown) through the discharge port 32 to be supplied to a place of use (not shown).

In the nano-bubble washing machine 1 according to the present embodiment made as described above, at the outlet of the supply port 31 on the upper surface of the dissolution body 3, the transport pipe has a vertical length and the mixed water is transported therein. The injection pipe 5 configured to spray the mixed water to the upper inner surface 41 of the melting tank 4 and apply a collision pressure may be bound.

That is, the mixed water supplied to the dissolution space (A) through the supply port (31) is supplied to the dissolution space (A) via the injection pipe (5).

At this time, the mixed water is not only sprayed by the injection pipe 5, but also collides with the upper inner side surface (ceiling surface) 41 of the melting tank 4 forming the dissolution space (A) while applying a collision pressure become nanobubbles.

Accordingly, as the position at which raw water is supplied in the dissolution space (A) is disposed at a higher position than the outlet of the discharge port 32, the inside of the discharge port 32 forms a vacuum state with the raw water from the outside. While preventing the unauthorized supply of air, the airtightness of the dissolution space (A) is formed, and as the raw water is continuously supplied, the dissolution pressure is formed by the increased air pressure.

In the nano-bubble washing machine 1 according to the present embodiment made as described above, the inside and outside are spatially connected between the end of the injection pipe 5 which is bound to the supply port 31 and the end at which the mixed water is ejected. An inlet hole 51 configured to re-inject the mixed water accommodated in the dissolution space (A) into the injection pipe 5 according to the injection pressure at which the mixed water is discharged into the injection pipe 5 may be provided.

That is, while high-pressure injection of the mixed water into the dissolution space (A) through the injection pipe (5), the mixed water received into the dissolution space (A) through the inlet hole (51) is the injection pipe (5) It forms a circulation path that is re-injected into the dissolution space (A) while being re-supplied into the interior of the

Accordingly, convection of the mixed water is naturally formed inside the dissolution space (A), thereby maximizing the nanobubble generation efficiency.

In the nano-bubble washing machine 1 according to this embodiment made as described above, the upper inner surface 41 of the dissolution vessel 4 is a curved surface in the shape of a 'cycloid', as shown in FIG. 5 . can be done

Accordingly, while the raw water sprayed from the injection pipe 5 evenly collides with the upper inner surface 41 of the melting tank 4 and moves to both inner ends, the movement speed is gradually increased while overlapping at both inner longitudinal ends. do.

That is, depending on the characteristics of the 'cycloid', the raw water is overlapped at both inner ends of the upper inner surface 41 of the melting tank 4, and the shear pressure applied to the raw water is increased.

Therefore, the dissolution pressure for the mixed water in which the raw water and air are mixed is increased, so that the nanobubble generation efficiency can be improved.

In the nano-bubble washing machine 1 according to the present embodiment made as described above, an air supply hole 6 for supplying air from the outside when the raw water is supplied is formed in the supply port 31 .

That is, external air is supplied through the air supply hole 6 , and mixed water in which raw water and air are mixed is supplied to the supply port 31 .

Accordingly, the air pressure consumed when navo bubbles are generated in the dissolution space (A) is stably secured.

In the nano-bubble washing machine 1 according to the present embodiment made as described above, the air supply hole 6 increases after the inner diameter gradually decreases on the movement path of the raw water formed in the supply port 31 . It is provided to be connected to the outside in the vacuum pressure forming space (B) where the local vacuum pressure is formed.

That is, according to Pascal's principle and Bernoulli's theorem, due to the shape of the reduced and enlarged diameter on the movement path of the raw water, a Cevichet line (cavitation) is generated, and the vacuum pressure forming space (B) is naturally generated. is formed, and thus, a vacuum suction force to the air supply hole 6 is generated, and external air is naturally supplied.

Therefore, the air pressure consumed in the dissolution space (A) of the dissolution tank (2) is stably secured even without a separate air supply device.

In addition, structurally, a separate air supply device is unnecessary, and stable nanobubbles are generated even when the size of the dissolution space (A) is small, so it can be easily applied in the general washing machine (1) through structural simplification and miniaturization. , the usability is improved.

On the other hand, the air supply hole 6 may be provided with a one-way check valve 7 that is shielded and opened in one direction with respect to the outside.

That is, the supply of air to the air supply hole 6 is made naturally, and the leakage of raw water from the supply port 31 to the outside is prevented, so that it can be used more stably.

The operation and effect of the nano-bubble washing machine 1 according to this embodiment made in this way will be described in detail as follows.

The nano-bubble washing machine 1 according to this embodiment can be easily applied and used in a general conventional washing machine 1, and the dissolution tank 2 is connected to the raw water supply pipe 11 and the raw water inlet pipe 12. It is spatially connected between them and arranged so that each is connected, and it can be applied and used appropriately.

When washing laundry through the nano-bubble washing machine 1 according to this embodiment, first, the laundry is injected into the washing space C, and the user uses the inlet valve 14 through a control means not shown. ) to open the raw water inlet pipe 12, raw water is supplied from the raw water supply pipe 11 to the washing space C via the dissolution space A of the dissolution tank 2 .

At this time, it is preferable that the raw water valve 13 maintains an open state of the raw water supply pipe 11 .

As described above, according to the user's selective control, according to the vacuum suction force of the vacuum pressure forming space (B) while raw water is supplied to the dissolution space (A), external air through the air supply hole (6) As is supplied and mixed with the raw water, the mixed water is formed and then supplied to the dissolution space (A).

As such, when the mixed water is supplied to the dissolution space (A), raw water is injected by the injection pipe (5) while being supplied to the dissolution space (A) via the injection pipe (5), as well as the dissolution space ( The collision pressure is applied while colliding with the upper inner surface 41 of the melting tube 4 forming A), and the shear pressure is applied while freely falling on the upper inner surface 41 of the melting tube 4 After being approved and nano-bubbled, bubbled water is drained through the discharge port 32 , and bubbled water is supplied to the washing space C via the raw water inlet pipe 12 to wash theta water.

In addition, when washing is completed and the inlet valve 14 is closed, the movement of raw water is stopped and an initialization state is formed.

In the nano-bubble washing machine 1 according to this embodiment made as described above, the vacuum pressure forming space B is formed inside the supply port 31 and the air supply pipe provided with the air supply hole 6 . (8) can be pipe-connected.

That is, the air supply hole 6 and the vacuum pressure forming space (B) are provided in the air supply pipe 8 formed separately from the dissolution body 3, so that manufacturing is made easy, It can be made to realize economic benefits through improvement.

As shown in FIG. 6 , the nano bubble washing machine 1 according to the present embodiment configured as described above is formed by integrally forming the air supply hole 6 and the vacuum pressure forming space B in the dissolution body. It is preferable to be appropriately applied according to the user's selection.

One embodiment of the present invention described above is merely exemplary, and those of ordinary skill in the art to which the present invention pertains will appreciate that various modifications and equivalent other embodiments are possible therefrom. . Therefore, it will be well understood that the present invention is not limited to the form mentioned in the above detailed description. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims. Moreover, it is to be understood that the present invention covers all modifications, equivalents and substitutions falling within the spirit and scope of the invention as defined by the appended claims.

1: washing machine 11: raw water supply pipe
12: raw water inlet pipe 13: raw water valve
14: inlet valve 2: dissolution tank
3: melting body 31: supply port
32: outlet 4: melting container
41: upper inner side 5: injection pipe
51: inlet hole 6: air supply hole
7: one-way check valve 8: air supply pipe
A: Melting space B: Vacuum pressure forming space
C : Washing space

Claims (1)

a raw water inlet pipe 12 spatially connected to the raw water supply pipe 11 to which raw water is supplied to receive raw water and supply it to the washing space (C); The raw water supply pipe 11 and the raw water inlet pipe 12 are connected to each other to spatially connect to receive raw water, and a dissolution space (A) configured to dissolve air in the raw water supplied therein is provided, and the It is connected to the raw water supply pipe 11 to supply raw water to the dissolution space (A), and the inner diameter of the raw water gradually decreases on the movement path and then increases to form a local vacuum pressure outside in the vacuum pressure forming space (B). A supply port 21 having an air supply hole 6 connected to and connected to the raw water inlet pipe 12 to drain the bubble water dissolved in air from the dissolution space (A) into the washing space (C). A dissolution tank having a dissolution body (3) each provided with a discharge port (22), and a dissolution vessel (4) forming the dissolution space (A) therein while the open lower part is bound to the dissolution body (3) ( 2); in the nano-bubble washing machine (1) comprising;
The upper inner side surface 41 of the melting tank 4 is,
It consists of a curved surface in the shape of a 'cycloid';
In the air supply hole (6),
A nano-bubble washing machine, characterized in that it is provided with a one-way check valve (7) that is one-way shielded and opened to the outside.

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