KR101380362B1 - Dishwasher having water tank in which the water thrown away gathers again - Google Patents

Abstract

The present invention relates to a dishwasher having a wastewater tank and, more specifically, to a dishwasher having a wastewater tank which comprises: a ��shaped wastewater tank formed outside a wash tank and a rinse tank which are organized inside a lower case; an upper end part of the wastewater tank formed at the same height as the edge of the lower case; and an inlet formed to receive wash water discharged to one side of the wastewater tank. The dishwater having a wastewater tank is capable of saving energy resources, water, and detergent by recycling waste energy and wastewater with simple configuration by collecting energy then guiding to the sink after exchanging heat in a process in which rinse water flows into the inlet.

Description

Dishwasher having water tank in which the water thrown away gathers again}

The present invention relates to a dishwasher having a drainage tank, and specifically, a 'c' shaped drainage tank is formed outside the washing tank and the rinsing tank configured inside the lower case, and the upper end of the drainage tank has an edge of the lower case. It is formed at the same height as, and forms an inlet hole so that the washing water is discarded in one side of the water inlet, heat exchanged in the process of rinsing water inflowing water introduced into the inlet at all times, and guides to the sink after the recovery of energy, simple configuration The present invention relates to a dishwasher equipped with a waste tank for recycling water and utilizing waste energy to save water, detergents and energy resources.

In general, a dish washing machine and a rinsing tank of a predetermined volume are formed in the body of the dish washing machine, and a washing chamber opened and closed by a liftable lid, and a heater for maintaining the washing water and the rinsing water at a predetermined temperature or more.

In addition, a washing motor for pumping the water in the washing tank to the washing nozzle, a rinsing motor for pumping the rinsing water to the rinsing water nozzle, a detergent motor for supplying a predetermined amount of detergent to the washing tank, rinse the rinsing tank A rinse motor for supplying is provided, and a pair of washing nozzles and rinsing water nozzles for spraying the washing water and the rinsing water on the upper and lower portions of the washing chamber are provided, respectively, and the various dishes in the middle of the washing chamber. It is configured to be installed a shelf that contains.

Therefore, when the user puts the dishes to be cleaned on the shelf, closes the liftable cover, and then operates the dishwasher, the washing motor operates for a predetermined time to forcibly supply the washing water of 40 to 50 ° C. in the washing tank to the washing nozzle. After the washing step is completed, the rinsing motor is operated to supply the rinse nozzle at 80 ° C. to the rinsing nozzle to perform the rinsing step.

In such a conventional dishwasher, the rinsing water, which has performed the rinsing step, is introduced into the washing tank and used as the washing water, and then, when the water level is over a predetermined level, the rinsing water is discharged into the water.

Utility Model Registration 20-425237

The patent document discloses a technology related to a commercial dishwasher having a washing water and a rinsing water recycling efficiency which can be recycled by supplying the washing water and the rinsing water discharged after washing or rinsing the dishes in a washing tank.

However, in the case of the dishwasher, a separate pump for receiving the discarded washing water and the rinsing water into the water tank and pumping the water into the water tank must be provided so that the waste of unnecessary power and the installation of the pump, the water tank outside the washing machine, etc. There was a problem that the operating cost is increased and a new space must be secured.

In addition, when the user does not use the dishwasher, it has to be troublesome because the power supply to the pump must be cut off one by one.

The present invention has been invented to solve the above problems, the object of which is composed of the upper case and the lower case, the upper edge of the lower case to the edge area of the water tank so that water flowing through the inner wall of the upper case can be introduced Protruding to form the same height as, and forming the inlet hole in the protruding portion, the washing water flowing along the wall of the upper case during washing and rinsing flows into the drainage tank through the inlet hole, the drainage tank As it protrudes to the same height as the upper part of the case, a head is formed that is higher than the height of the sink, and the dishwasher is equipped with a drainage tank so that the waste water of high temperature naturally flows into the sink so that it can be recycled from the sink into the water used for cleansing. The purpose is to provide.

Still another object of the present invention is to form a rinsing water inlet tube formed in a zigzag shape of a 'U' shape inside the effluent tank, so that the rinsing water introduced by the waste water of the rinsing water and the rinsing water accumulated in the effluent tank can also be preheated. It is an object of the present invention to provide a dishwasher equipped with a drainage tank for reducing energy for heating water in a rinsing tank.

The present invention for achieving the above technical problem is provided with a washing nozzle and a rinse nozzle, respectively, the upper case and the lower case, the inner side of the lower case is configured to be adjacent to each other washing to supply the washing water and rinsing water for dish washing A dishwasher having a water tank and a rinsing water tank and configured as a rinsing water inflow pipe connected to the rinsing water tank is formed in a 'c' shape between the washing water tank and the rinsing water tank and a wall surface, and is formed on a front surface of the lower case. Wrapping the washing tank and the rinsing tank except for, the protrusion is formed with the upper end is formed at the same height as the upper end of the lower case, the washing water sprayed during washing flows in flowing through the inner wall of the upper case, inflow Inlet hole is provided with an opening and closing door of the slide method for adjusting the inflow of the washing water is formed, And a drainage tank in which a drainage discharge pipe is installed to discharge the washing water introduced through the inflow hole to penetrate the outside of the dishwasher and flow into the sink.

In one embodiment, the discharge tank is characterized in that the rinsing water inlet pipe is configured to be connected to the rinsing tank to pass through from the outside of the discharge tank.

In one embodiment, the rinsing water inlet pipe is characterized in that a plurality of 'U' tube is connected in a zigzag in order to increase the thermal conductivity by increasing the surface area in order to recover the heat energy of the effluent in the effluent tank to the maximum. .

In one embodiment, the rinsing water inlet pipe is characterized in that the heat radiation fin is bonded to the corrugated pipe or its surface in order to widen the surface area to maximize the thermal conductivity.

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According to the dishwasher equipped with a drainage tank of the present invention, first, the upper region of the 'c'-shaped drainage tank is formed at the same height as the upper end of the lower case to maintain the head of the water at the same or more than the sink, one side of the drainage tank By forming the inlet hole so that the rinsing water and the washing water being discarded are introduced into the sink, the inlet water is guided to the sink, thereby saving water and detergent and protecting the environment through a relatively simple configuration.

Second, instead of discarding the rinsing water or washing water heated by a heater or other heat source as it is, it is stored in the drainage tank and used in the sink, and the waste heat discarded by allowing the rinsing water inlet pipe to flow through the drainage tank in the process. Minimize energy savings.

1 is a perspective view showing a state of a dishwasher equipped with a drainage tank of the present invention.
FIG. 2 is a partial cutaway perspective view illustrating the internal structure of FIG. 1. FIG.
3 is a partial cutaway perspective view showing the appearance of the discharge tank of FIG.
Figure 4 is a partially enlarged perspective view showing a state in which the opening and closing door is installed in the inlet hole shown in FIG.
Figure 5 is a perspective view showing a state of use of the dish washer provided with the discharge tank of the present invention.

For a better understanding of the present invention, a preferred embodiment of the present invention will be described with reference to the accompanying drawings. The embodiments of the present invention may be modified into various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. The present embodiments are provided to enable those skilled in the art to more fully understand the present invention. Therefore, the shapes and the like of the elements in the drawings can be exaggeratedly expressed to emphasize a clearer description. It should be noted that in the drawings, the same members are denoted by the same reference numerals. Further, detailed descriptions of well-known functions and configurations that may be unnecessarily obscured by the gist of the present invention are omitted.

Hereinafter, by describing a preferred embodiment of the present invention with reference to the accompanying drawings, it will be described in detail a dishwasher equipped with a drainage tank of the present invention.

1 is a perspective view showing a state of a dishwasher equipped with a drainage tank of the present invention, Figure 2 is a partial cutaway perspective view for showing the internal structure of Figure 1, Figure 3 is a portion for showing the appearance of the drainage tank of Figure 1 4 is a partially enlarged perspective view illustrating a state in which an opening / closing door is installed in an inlet hole illustrated in FIG. 1, and FIG. 5 is a perspective view illustrating a use state of a dish washing machine equipped with a drainage tank of the present invention.
1 to 5, the dishwasher equipped with the drainage tank of the present invention includes an upper case 10 and a lower case 20, each of which includes washing nozzles 11 and 21 and rinsing nozzles 12 and 22. And a washing chamber 14 in which dishes are washed. The washing nozzles 11 and 21 and the rinsing nozzles 12 and 22 are washed by pumping water by respective pumps (not shown) provided on the lines of the rinsing water tank 50 and the washing water tank 40 which will be described later. Water is sprayed on the chamber 14 to wash or rinse the dishes accommodated inside the washing chamber 14.

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Specifically, the washing chamber 14 is opened and closed by a liftable upper case 10, and a pair of upper and lower washing nozzles 11 and 21 at the bottom and the center of the upper surface and a pair of upper and lower rinsing. Nozzles 12 and 22 are rotatably provided, respectively, to each of the washing water and the rinsing water supplied through the washing water tank and the rinsing water tank 40 and 50 toward the tableware placed on the middle of the washing chamber 14. The upper and lower washing nozzles 11 and 21 spray washing water to perform a washing step, and the upper and lower washing nozzles 12 and 22 spray rinsing water to perform a rinsing step.

In addition, the rinsing water tank 50 is provided with a rinsing water inlet pipe 51 connected to the rinsing water tank 50 to supply water necessary for rinsing by a pump, and the washing water tank 40 has a water level control sensor ( When water shortage is detected by the non-shown), the water is overflowed to the rinsing tank 50 to supply the water required for washing. Therefore, water continues to flow into the rinsing water tank 50 through the rinsing water inlet pipe 51, which is overflowed, and the washing water is supplied to the washing water tank 40 as necessary.

On the other hand, the lower case 20 is provided with a water discharge tank 30, the water discharge tank 30, the overall shape is formed in the '' form, the washing tank 40 and the rinsing water tank 50 ), But is configured to surround the remaining area except the front surface based on the dishwasher body.

In addition, a protrusion 33 is formed to protrude upward so that an upper portion coincides with an upper end portion of the lower case 20. The protruding portion 33 protrudes toward the upper side of the water discharge tank 30 and is formed to protrude from the upper end of the washing water tank 40 and the rinsing water tank 50.

In addition, an inlet hole 31 is formed on the upper surface of the protrusion 33 to allow the washing water to flow in through the inner wall of the upper case 10, and the sink 100 is provided at the side of the dishwasher. The discharge water discharge pipe 32 for discharging the washing water introduced through the inlet 31 is installed.

Specifically, the water sprayed by the upper and lower rinse nozzles 12 and 22 is introduced into the washing water tank 40 through the strainer 23 and reused during the washing step because all parts of the lower case are blocked. The washing water sprayed on the inner wall surface of the inlet is introduced into the inlet 31.

In addition, the water accumulated in the washing tank 40 is used for washing by the upper, lower washing nozzles (11, 21) and is re-introduced into the washing tank (40), and the washing water sprayed on the walls of some upper cases in the process. Is introduced into the inlet hole (31).

As this process is repeated, the wastewater tank 30 is filled with the used washing water, that is, the wastewater, and since the wastewater is higher than the head of the sink 100, the wastewater is discharged through the wastewater discharge pipe 32 without any power, and thus the sink 100. It continues to run while the dishwasher is running. At this time, since the washing water is sprayed more intensely than the rinsing water due to the structure of the washing nozzle and the rinsing nozzle (impeller), the wastewater of the effluent tank 30 is mostly composed of the washing water, but the rinsing water may also be introduced into the inlet 31. As such, the water (wastewater) introduced into the sink 100 is used for cleaning the dishes or plates.

On the other hand, the inlet hole 31, in order to match the amount of water used in the rinsing, the amount of washing water flowing through the inlet hole 31 may be further provided with a sliding door 34 of the slide method.

On the other hand, the washing tank 40, the water level control sensor (not shown) to detect this when the water level of the washing casting 40 is below a predetermined level therein so as to discharge it when the washing water of the washing tank 40 overflows. A guiding draft rod 41 is provided.

In addition, the rinsing water tank 50 may be further provided with a water level control sensor 54 to detect when the water level of the rinsing water tank 50 is below a predetermined level so that the rinsing water is automatically supplied. When the water level of the rinsing water tank 50 is lower than a predetermined level by the water level control sensor 54, the rinsing water is automatically introduced by a valve (not shown) interlocked with the water level control sensor 54.

In addition, the rinsing water inlet pipe 51 passes through the interior of the water discharge tank 30 and surrounds the outer circumference of the washing tank 40 and the rinsing water tank 50 by a predetermined period of the rinsing water tank 50. It is configured to be connected inward.

Specifically, the rinsing water inlet pipe 51 is connected in a zigzag manner so that a plurality of 'U'-shaped pipes may exchange heat well, and the rinsing water tank 50 penetrates through the rinsing water tank 50. 50).

In addition, the surface of the rinsing water inlet pipe 51 may be a heat dissipation fin or a corrugated pipe, which is intended to maximize the heat exchange between the rinsing water and the waste water introduced through the rinsing water inlet pipe 51.

On the other hand, the heater 60 is provided in the rinsing water tank 50. Therefore, heat is transferred to the water contained in the washing tank 40 by the heat of the water of the rinsing tank 50 heated by the heater 60 to save energy.

Hereinafter, it will be described with respect to the operating state of the dishwasher equipped with a drainage tank of the present invention configured as described above.

First, when the user "turns on" the power on / off switch of the operating unit, puts a shelf containing dishware to be washed in the washing chamber 14 and closes the upper case 10, and then, from the water pipe through the rinsing water inlet pipe 51, After the rinsing water flows into the rinsing water tank 50, the washing water flows into the washing water tank 40 while overflowing, and the heater 60 of the rinsing water tank 50 is operated to rinse water in the rinsing water tank 50. When the rinsing water of the rinsing water tank 50 is heated to the temperature, the washing water of the washing water tank 40 is also heated to 40 ~ 50 ℃. Then, the washing water of the washing water tank 40 is supplied to the washing nozzles 11 and 21 by the pump on the washing water and the rinsing water inlet pipe (not shown) to perform the washing step, and the washing step is performed. The washing water is recovered to the washing water tank 40 through the strainer 23.

Next, the rinsing water of the rinsing tank 50 is supplied to the rinsing nozzles 12 and 22 by a pump to perform a rinsing step, and the used rinsing water is recovered to the washing tank 40 through the strainer 23.

At this time, if the level of the rinsing water tank 50 is lowered by the rinsing step, the water level control sensor of the rinsing water tank 50 is operated so that the rinsing water flows in from the water pipe, wherein the rinsing water is rinsing installed in the dehydration tank 30. It is introduced while being preheated through the water inlet pipe 51.

Here, most of the used washing water is sprayed into the washing chamber 14, and some are sprayed toward the inner wall of the upper case 10, but most of the washing water flows down into the washing tank 40 through the strainer 23 and is washed. Re-use in the step, the rest is introduced into the inlet 31 and discharged to the discharge water discharge pipe 32 is introduced into the sink 100. The washing water introduced from the inlet 31 is continuously introduced into the sink 100 while the dishwasher is operating.

Here, since the water used as the rinsing water is used as the washing water, a part of the water is supplied to the effluent tank 30 and then heat-recovered and supplied to the sink 100 to be recycled.

In general, a conventional dishwasher takes about 3 liters of water for one use. If the number of washing water flowing into the inlet 31 is less than 3 liters or less, the amount of rinsing is increased. The water in the tank overflows, and the overflow water of the washing tank 40 is not moved to the drainage tank 30 by the draining rod 41 installed in the washing tank 40, and is discharged as it is.

On the other hand, when the washing water flowing into the inlet 31 is more than (3 liters or more), since only the water below the standard amount is left in the washing tank 40, when detected by the water level control sensor of the washing tank 40, rinsing water inflow New water is introduced through the pipe 51, which is supplied to the washing tank 40 while being overflowed from the rinsing tank 50 through the waste heat recovery process of the wastewater tank 30 and the heating process of the rinsing tank 50, and then rinsed. Excessive heat load of the water tank 50 may be caused.

Therefore, the amount of the wash water flowing into the inlet 31 of the water discharge tank 30 by configuring the water discharge tank 30 as in the present invention is efficient to match the amount of water used during rinsing (generally 3 liters) as much as possible. To this end, the inlet 31 is configured to open and close the door 34 of the slide method that can adjust the amount of the inlet.

On the other hand, the washing water introduced into the sink 100 is used as water for cleaning the plates and dishes loaded on the sink 100. Since the washing water is hot and mixed with detergent and rinse, it is possible to reduce the use of detergent and rinse for cleaning the ebul and increase the economics, and to prevent the waste of detergent and rinse to reduce environmental pollution.

Although not shown in the drawing, the washing water initially supplied to the washing tank 40 is heated by the rinsing water of the rinsing tank 50, but when the degree of heating is low, the washing water preheated by the hot water booster or the instantaneous water heater may be supplied. have.

The embodiment of the dishwasher provided with the drainage tank of the present invention described above is merely exemplary, and those skilled in the art to which the present invention pertains can make various modifications and other equivalent embodiments therefrom. You will know well. Therefore, it is to be understood that the present invention is not limited to the above-described embodiments. It can also be used for a variety of other types of dishwashers, ie rack-conveyor type dishwashers, flight dishwashers and the like. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims. It is also to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

10: upper case 11: cleaning nozzle
12: rinse nozzle 14: washing room
20: lower case 21: cleaning nozzle
22: rinse nozzle 23: strainer
30: drainage tank 31: inlet hole
32: discharge discharge pipe 33: protrusion
34: opening and closing door 40: washing water tank
41: retracting rod 50: rinse tank
51: rinsing water inlet pipe 60: heater
100: sink

Claims (5)

The upper case 10 and the lower case 20 and the washing case 11.21 and the rinse nozzles 12 and 22, respectively, are provided to be adjacent to each other inside the lower case 20 and are required for washing the dishes. In the dishwasher provided with a washing water tank 40 and a rinsing water tank 50 for supplying the washing water and the rinsing water, the rinsing water inlet pipe 51 connected to the rinsing water tank 50,
The washing tank 40 and the rinsing tank 50 is formed in a 'c' shape between the wall surface, surrounding the washing tank 40 and the rinsing tank 50 except the front of the lower case 20, A protrusion 33 having an upper end formed at the same height as the upper end of the lower case 20 is formed, and the washing water sprayed upon washing flows through the inner wall of the upper case 10, and the washing water flowing upon washing. An inlet hole 31 having a slide-type opening / closing door 34 for adjusting an inflow amount of the inlet is formed and discharges the washing water introduced through the inlet hole 31 at the lower part to penetrate to the outside of the dishwasher to sink. The discharge water discharge pipe 32 is installed to be introduced into the 100, and the rinsing water inlet pipe 51 passes from the outside of the discharge water tank 30 to the inside to connect the discharge water tank 30 to the rinsing water tank 50. Equipped with a drainage tank characterized in that it comprises Dishwasher. delete The method according to claim 1,
The rinsing water inlet pipe 51,
And a plurality of 'U' pipes are connected in a zigzag pattern in order to increase the thermal conductivity by increasing the surface area in order to recover the heat energy of the discharge water in the discharge water tank 30 to the maximum. The method of claim 3,
The rinsing water inlet pipe 51,
A dishwasher provided with a drainage tank characterized in that the heat radiation fin is bonded to the corrugated pipe or its surface in order to maximize the thermal conductivity by increasing the surface area. delete

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