KR20080105521A

KR20080105521A - Dish washer

Info

Publication number: KR20080105521A
Application number: KR1020070053223A
Authority: KR
Inventors: 김민철
Original assignee: 엘지전자 주식회사
Priority date: 2007-05-31
Filing date: 2007-05-31
Publication date: 2008-12-04

Abstract

A dishwasher is provided to remove the food waste stuck to tableware smoothly by washing tableware using washing water and steam. A dishwasher includes a tub providing a space for washing tableware(130), a steam generator supplying steam to the tub, a nozzle(120) injecting the steam supplied from the steam generator to the tub, and a rack for housing the tableware in the tub not to disturb the movement of steam injected from the nozzle.

Description

Dishwasher {Dish washer}

1 is a perspective view showing a dishwasher according to the present invention.

2 is a longitudinal sectional view of the dishwasher of FIG.

3 shows schematically a preferred embodiment of a rack according to the invention;

4 is a view for explaining the effect of the rack according to FIG.

5 is a view showing a specific configuration of a rack according to FIG.

6 schematically illustrates a rack according to another embodiment of the present invention.

18: tub 100: steam generator

120: nozzle 200: rack

The present invention relates to a dishwasher equipped with a steam generator.

A general dishwasher is a device that sprays washing water at a high pressure inside a tub, and washes the sprayed water on the tableware so that foreign matters such as food residues on the surface of the tableware are cleaned. Then, the food waste is filtered out of the filter so that the washing water is recycled, and the detergent is released in the washing water so that the food waste falls smoothly.

On the other hand, in order to improve the original function of such a dishwasher, a method of improving the washing efficiency of the dishwasher by heating the washing water to better dissolve the detergent has been proposed, the high temperature wash water and The same solid food residue is smoothly removed.

However, even with this method, there is a problem in increasing the efficiency of dish washing. In particular, when rice used as a staple food of Asians is buried in tableware, the food waste is not easily washed, so the cleaning efficiency becomes more problematic. This problem is caused by the soaking operation of food waste by high temperature washing water. Even if it is not completely solved. Furthermore, since the operation called takes a long time, there is a problem that the operation cycle of the dishwasher becomes that long.

The present invention provides a dishwasher capable of smoothly removing food waste stuck to the dishes by washing the dishes using washing water and steam.

In addition, the present invention to maximize the washing effect of the steam to effectively supply the steam to all the dishes, thereby providing a dishwasher that can improve the cleaning efficiency.

The dishwasher according to the present invention includes a tub for providing a space for washing dishes, a steam generator for supplying steam to the tub, a nozzle for injecting steam supplied from the steam generator, to the tub, and the nozzle from the nozzle. It may include a rack configured to receive the tableware in the tub so as not to disturb the flow of the injected steam.

To this end, the rack may be configured such that each of the plurality of dishes is stored in substantially parallel to the steam injection direction of the nozzle.

Preferably, the rack may be configured such that the arrangement direction in which the plurality of dishes is accommodated is substantially perpendicular to the steam injection direction of the nozzle.

In another aspect, the dishwasher includes a tub for providing space for washing dishes, a steam generator for supplying steam to the tub, a nozzle for spraying steam supplied from the steam generator, and the tub; The rack may include a rack configured to be accommodated in the tub so that a plurality of dishes are sprayed from the nozzle to smoothly flow between the plurality of dishes.

To this end, the rack may be configured such that each of the plurality of dishes is stored in parallel with the steam spraying direction of the nozzle, and an arrangement direction in which the plurality of dishes is stored is substantially perpendicular to the steam spraying direction of the nozzle. Can be.

In addition, the rack may be configured to accommodate the plurality of dishes arranged in a substantially radial arrangement with respect to the nozzle.

On the other hand, the nozzle is preferably provided on the tub wall surface of the site where the rack is installed.

Therefore, according to the dishwasher according to the present invention, the steam can be effectively supplied to all the dishes stored in the rack, it is possible to maximize the washing effect of the steam, thereby improving the washing efficiency of the dishwasher.

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

Referring to FIG. 1, the dishwasher according to the present invention forms an exterior and a case 1 having a front opening, a door 2 for opening and closing an opened front of the case 1, and a shape of the door 2. It may include a control panel (3) provided on the upper side to display and control the operation of the dishwasher.

The control panel 3 includes a power switch 5 for turning on / off the power of the dishwasher, a door handle 4 for opening and closing the door 2, and a dishwasher according to a user's instruction. A function operation unit 7 for performing the operation, a display unit 8 for displaying the operation state of the dishwasher, a steam outlet 6 for discharging hot air inside the dishwasher to the outside of the dishwasher, and the like may be provided. have.

2 is a view illustrating a longitudinal section of the dish washing machine of FIG. 1.

Referring to Figure 2 describes the internal structure of the dishwasher according to the present invention, the dishwasher is provided in the case (1) and the tub 18 to provide a space for washing the dishes, the tub 18 It is provided on the lower side may include a sump (16) to collect the washing water for washing the dishes, to filter again the dirt contained in the washing water to be sprayed again.

The sump 16 is provided with a predetermined pump (not shown) such as an impeller for pumping the wash water stored in the sump 16. Preferably, the sump 16 may further include a heater (not shown) for heating the washing water stored in the sump 16. Then, the detergent may be well dissolved in the washing water, and food waste, etc. deposited on the tableware may be called by the heated washing water, and thus washing efficiency may be improved.

The inside of the tub 18 is provided with a rack 200 for storing dishes. In this embodiment, the rack 200 is disclosed as being formed of the upper rack 201 and the lower rack 202, the rack 200 may be formed in various ways depending on the size or capacity of the dishwasher, of course. .

In addition, the tub 18 injects the washing arms 14 and 15 for spraying the washing water toward the upper rack 201 and the lower rack 202, and the washing water is sprayed from the upper portion of the tub 18 to the lower portion. The injection arm 24 may be formed.

In addition, a filter 17 may be provided below the tub 18, and dirt included in the washing water may be filtered while passing through the filter 17. In addition, a washing water flow passage 19 may be provided at one side of the tub 18 to supply the washing water to the injection arms 14 and 24 provided at an upper portion thereof.

In addition, the dishwasher according to the present invention and the steam generating device 100 for generating steam for supply to the tub 18, and to supply the steam generated in the steam generating device 100 to the tub 18 Steam passage 110 and at least one nozzle 120 to allow the steam supplied from the steam passage 110 to be injected into the tub 18 may be further included.

Preferably, the steam generator 100 may be provided at the lower portion of the tub (18). Then, steam generated by the steam generator 100 may be smoothly supplied to the tub 18. This is because steam is generally lighter than air and tends to rise upwards. However, the dishwasher according to the present invention is not limited to the position where the steam generator 100 is provided. That is, the steam generator 100 may be provided on the side of the tub 18.

In detail, the steam generator 100 includes a case 102 for receiving water, a heater 104 for heating the water contained in the case 102, and a water level for detecting the water level of the water contained in the case 102. The sensor 106 may include a fuse (not shown) to prevent overheating of the heater 104.

In addition, the dishwasher according to the present invention is connected to the outside and the water supply line 22 branched so that water is supplied to the tub 18 and the steam generating device 100, and used for washing to drain the contaminated washing water It may further include a tub valve 40 and the steam valve 41 for opening and closing the water supply pipe 22 in order to control the amount of water supply through the drain pipe passage 23 and the water supply pipe 22. Here, the tub valve 40 controls the amount of water supplied to the tub 18, the steam valve 41 controls the amount of water supplied to the steam generating device 100 side.

Hereinafter, an operation of the dish washing machine according to the present invention will be briefly described with reference to FIGS. 1 and 2.

First, when the user intends to perform dish washing, the door 2 is closed while storing the dishes in the rack 200.

Then, when the user operates the desired state of dish washing by operating the function manipulation unit 7 and starts the operation, the operation of the dish washing machine proceeds while the operating state of the dish washing machine is displayed on the display unit 8.

On the other hand, when the operation of the dishwasher centering on the flow order of the washing water flowing in the tub 18, the washing water sprayed from the injection arms (14) (15) (24) to the rack 200 After the dishes are placed, they are dropped downward and flow to the sump 16. A predetermined pump, such as an impeller, is placed inside the sump 16 to pressurize the washing water to be supplied to the injection arms 14, 15, and 24 again.

As such, by filtering the food debris by the filter 17 while the wash water is circulated from the sump 16 to the injection arms 14, 15 and 24, the washing water may be prevented from being excessively contaminated or clogged with the nozzle. have.

In addition, the dishwasher according to the present invention may include a washing process using steam. In order to perform the washing process using the steam as described above, the steam generated by the steam generator 100 is supplied to the tub 18 through the steam flow path 110 and the nozzle 120.

Therefore, according to the dishwasher according to the present invention, it can be expected to improve the washing efficiency of the dishwasher can be additionally obtained by the high temperature and high humidity of the steam. For example, when washing dishes using steam and washing water, dirt that is hardened on the dishes may be called by steam, and when high pressure washing water is sprayed in the state, dirt, which is solidified on the dishes, may be easily removed.

In addition, in order to further improve the washing efficiency of the dishwasher, it is necessary to maximize the washing effect of steam, and in order to maximize the washing effect of the steam, it is necessary to effectively supply steam to all the dishes stored in the rack 200. have.

To this end, the nozzle 120 is preferably provided at a position where steam can be directly sprayed on the dishes accommodated in the rack 200. For example, the rack 200 may be provided on a wall surface of the tub 18 where the rack 200 is installed.

In the present embodiment, the nozzle 120 is disclosed that the steam is directly injected to the dishes stored in the lower rack 202, steam is directly injected to the dishes stored in the upper rack 201 A nozzle may be further included. That is, the nozzle 120 may be provided in plural so as to directly spray steam to all the racks 200 provided in the tub 18. In addition, a plurality of nozzles 120 may be provided on all walls of the tub 18 so that steam can be effectively supplied to all the dishes stored in the rack 200. Then, the steam injection direction injected from the nozzle 120 to the tub 18 may be made in the left and right, front and rear and up and down directions in the tub 18, so that all the dishes stored in the rack 200 are steamed. This can be supplied effectively.

However, the nozzle 120 receives the steam generated by the steam generator 100 through the steam flow path 110 and injects the tub 18 into a plurality of nozzles 120 at different positions. In order to do so, the steam flow path 110 is lengthened. Therefore, considering the space constraints of the dishwasher, an increase in manufacturing cost, etc., there is a limit in increasing the number of the nozzles 120. In addition, when the steam flow path 110 is lengthened, there is a concern that the possibility of converting the steam flowing through the steam flow path 110 into condensed water may increase.

Therefore, in order to maximize the washing effect of steam, it is necessary to consider the arrangement of the dishes accommodated in the rack 200, apart from limiting the number of the nozzles 120 or increasing the number thereof.

To this end, the rack 200 is preferably configured to be accommodated in the tub 18 so that each of the plurality of dishes do not interfere with the flow of steam injected from the nozzle 120. This is because a plurality of dishes are arranged in the rack 200. If any dishware interferes with the flow of steam injected from the nozzle 120, steam is smoothly supplied to the other dishes stored in the rack 200. Because it may not be.

On the other hand, the rack 200 is preferably configured such that a plurality of dishes are accommodated in the tub 18 so that the steam injected from the nozzle 120 flows smoothly between the plurality of dishes. Because, if the steam injected from the nozzle 120 can smoothly flow between a plurality of dishes stored in the rack 200, the steam can be effectively supplied to all the dishes stored in the rack 200 Because.

As described above, in order to maximize the washing effect of the steam in the dishwasher according to the present invention, the rack 200 is a tub (so that each of the plurality of dishes do not interfere with the flow of steam injected from the nozzle 120) 18) or the plurality of dishes may be configured to be stored in the tub 18 so that the steam injected from the nozzle 120 flows smoothly between the plurality of dishes.

Hereinafter, a preferred embodiment of the rack 200 having the above configuration will be described in detail.

3 is a view schematically showing a preferred embodiment of the rack according to the present invention.

Referring to FIG. 3, the rack 200 according to the present exemplary embodiment may be configured such that each of the plurality of dishes 130 is stored substantially parallel to the spraying direction of steam injected from the nozzle 120. Then, the steam injected from the nozzle 120 can flow smoothly without being disturbed by each of the plurality of dishes 130, so that the steam is all dishes 130 stored in the rack 200 Can be supplied effectively.

Preferably, the rack 200 may be configured such that an arrangement direction in which the plurality of dishes 130 is accommodated is substantially perpendicular to an injection direction of steam injected from the nozzle 120. Then, the steam injected from the nozzle 120 can smoothly flow between the plurality of dishes 130, and thus the steam is more effectively supplied to all the dishes 130 stored in the rack 200. Can be.

Therefore, according to the dishwasher according to the present embodiment, since steam can be effectively supplied to all the dishes 130 stored in the rack 200, the washing effect of the steam can be maximized, and thus the washing efficiency of the dishwasher. This can be improved.

4 is a view for explaining the effect of the rack according to FIG. 3, the rack 201 according to FIG. 4 is stored in the vertical direction of the injection direction of the steam each of the plurality of dishes 130 are sprayed from the nozzle 120 It is configured such that the arrangement direction in which the plurality of dishes 130 is accommodated is arranged so as to be horizontally arranged in the injection direction of the steam injected from the nozzle 120.

As shown in FIG. 4, when each of the plurality of dishes 130 is stored in the rack 201 perpendicular to the spraying direction of steam injected from the nozzle 120, the steam injected from the nozzle 120 Steam is not smoothly supplied to dishes other than the dish 131 because the dish 131 is immediately adjacent to the nozzle 120.

In addition, as shown in FIG. 4, when the arrangement direction in which the plurality of dishes 130 are accommodated in the rack 201 is arranged horizontally in the spraying direction of steam injected from the nozzle 120, the steam may be Since a plurality of dishes 130 may not flow smoothly, steam may not be smoothly supplied to all dishes 130.

That is, according to the rack 201 illustrated in FIG. 4, since steam cannot be smoothly supplied to all the dishes 130 stored in the rack 201, the washing effect of steam is lowered, and accordingly, the washing efficiency is reduced. There is a risk of decrease.

Thus, like the rack 200 according to FIG. 3, the rack 200 is configured such that each of the plurality of dishes 130 is stored in a direction substantially parallel to the spraying direction of steam injected from the nozzle 120. Preferably, the arrangement direction in which a plurality of dishes are accommodated is configured to be substantially perpendicular to the spraying direction of steam injected from the nozzle 120.

For example, if the nozzle 120 is provided on the side surface of the tub 18 so that the steam is injected in the left and right directions of the tub 18, the rack 200 is each of the plurality of dishes 130 is spraying steam The tub 18 may be configured to be accommodated in a left and right direction in parallel to a direction, and the arrangement direction in which the plurality of dishes 130 are accommodated may be configured in the front and rear directions of the tub 18.

On the contrary, if the nozzle 120 is provided on the rear surface or the door 2 of the tub 18 so that steam is injected in the front and rear directions of the tub 18, the rack 200 may be provided with each of the plurality of dishes 130. The tub 18 may be configured to be stored in the front-rear direction, and the arrangement direction in which the plurality of dishes 130 are accommodated may be configured to be in the left-right direction of the tub 18.

In addition, if the nozzle 120 is provided on the top or bottom surface of the tub 18 so that the steam is injected in the vertical direction of the tub 18, the rack 200 is each of the plurality of dishes 130, the tub It is configured to be stored upright in the vertical direction of the 18, the arrangement direction in which the plurality of dishes 130 is accommodated may be configured to be made in the horizontal direction of the tub (18).

Hereinafter, with reference to FIG. 5, the specific structure of the rack 200 shown in FIG. 3 is demonstrated.

Referring to FIG. 5, the rack 200 may include an accommodating part 240 to allow each of the plurality of dishes 130 to be stored in substantially parallel to the steam spraying direction sprayed from the nozzle 120. In detail, the accommodating part 240 may include a plurality of support frames 241 provided substantially parallel to the steam spraying direction. Then, each of the plurality of dishes 130 may be inserted between the support frames 241 to be stored in the rack 200 while maintaining a state substantially parallel to the steam spraying direction.

Preferably, the plurality of support frames 241 may be provided to be arranged substantially perpendicular to the steam injection direction. Then, when each of the plurality of dishes 130 is inserted and accommodated between the support frames 241, the arrangement direction in which the plurality of dishes 130 is accommodated may be substantially perpendicular to the steam spraying direction. have.

In addition, the accommodating part 240 may be fixedly installed in the rack 200, but may be provided to be detachable in the rack 200. To this end, a coupling part (not shown) for detachably attaching to the rack 200 may be further formed at one side of the accommodating part 240. Then, the user can conveniently attach and detach the accommodating part 240 to the rack 200 as necessary.

On the other hand, the rack 200 has a concave shape to accommodate the dishes therein, for this purpose may further comprise a plurality of horizontal frame 210, vertical frame 220. In addition, the rack 200 is provided to be pulled out of the tub 18. For this purpose, a plurality of rollers 230 are provided on both lower sides of the rack 200, and both sides or side walls of the bottom of the tub 18 are provided. A rail (not shown) for guiding the roller 230 may be provided.

However, FIG. 5 is only an embodiment showing a specific configuration of the rack 200 according to FIG. 3, and the specific configuration of the rack 200 may be embodied in other configurations than FIG. 5. For example, the accommodating part 240 may not be formed of a plurality of vertical frames 220, but may be integrally formed to have a plurality of grooves in which the plurality of dishes 130 are accommodated.

6 is a view schematically showing a rack according to another embodiment of the present invention.

Referring to FIG. 6, the rack 300 according to the present exemplary embodiment may be configured such that a plurality of dishes 130 are radially arranged and received based on the nozzle 120.

Then, as shown in FIG. 6, the steam may flow more smoothly between the plurality of dishes 130 stored in the rack 300, and thus, steam may be effectively supplied to all the dishes 130. have. This is because the steam injected from the nozzle 120 does not flow in a straight direction, but spreads in all directions about the nozzle 120, that is, in a radial direction.

To this end, the rack 300 may include an accommodating part 340 to accommodate the plurality of dishes 130 arranged radially with respect to the nozzle 120.

In detail, the accommodating part 340 includes a plurality of first support frames 241 positioned in front of the nozzle 120 to allow the dishes to be stored substantially horizontally in the steam spraying direction, and the nozzle 120. Located in the left and right direction of the may be made of a second support frame 242 to accommodate the dish inclined at a predetermined angle toward the nozzle 120.

Then, the tableware 130 inserted between the first support frame 241 is stored substantially horizontally in the steam spraying direction, and the tableware 130 inserted between the second support frame 242 is the nozzle. It may be stored inclined at a predetermined angle toward the 120. That is, the arrangement direction of the plurality of dishes 130 accommodated in the accommodating part 340 may be radially based on the nozzle 120.

Therefore, the steam injected from the nozzle 120 can flow more smoothly between the plurality of dishes 130, and thus steam can be more effectively supplied to all the dishes 130.

The present invention is not limited to the above-described embodiments, and can be modified by those skilled in the art as can be seen from the appended claims, and such modifications are within the scope of the present invention.

According to the dishwasher according to the present invention, since the dishes are washed using the washing water and the steam, foreign matters strongly adhered to the dishes can be easily removed.

In addition, according to the dishwasher according to the present invention, the steam can be effectively supplied to all the dishes stored in the rack, thereby maximizing the washing effect of the steam, thereby improving the washing efficiency.

Claims

A tub providing a space for washing dishes;

A steam generator for supplying steam to the tub;

A nozzle for injecting steam supplied from the steam generator to the tub; and

And a rack configured to receive the dish in the tub so as not to disturb the flow of steam injected from the nozzle.

The dishwasher of claim 1, wherein the rack is configured such that each of the plurality of dishes is stored in substantially parallel to the steam jet direction of the nozzle.

The dish washing machine according to claim 2, wherein the rack is configured such that an arrangement direction in which the plurality of dishes is stored is substantially perpendicular to a steam spraying direction of the nozzle.

A tub providing a space for washing dishes;

A steam generator for supplying steam to the tub;

A nozzle for injecting steam supplied from the steam generator to the tub; And

And a rack configured to accommodate a plurality of dishes in the tub so that steam injected from the nozzles flows smoothly between the plurality of dishes.

The rack of claim 4, wherein each of the plurality of dishes is housed substantially in parallel with the steam spraying direction of the nozzle, and the arrangement direction in which the plurality of dishes is stored is substantially perpendicular to the steam spraying direction of the nozzle. Dishwasher, characterized in that configured to achieve.

The dishwasher of claim 4, wherein the rack is configured to accommodate the plurality of dishes arranged in a substantially radial arrangement with respect to the nozzle.

The dish washing machine according to claim 1, wherein the nozzle is provided on the tub wall at a portion where the rack is installed.