CN1973750A

CN1973750A - Dishwasher and method of supplying water to the dishwasher

Info

Publication number: CN1973750A
Application number: CNA2006101604729A
Authority: CN
Inventors: 李泰喜; 尹尚宪
Original assignee: LG Electronics Inc
Current assignee: LG Electronics Inc
Priority date: 2005-11-28
Filing date: 2006-11-28
Publication date: 2007-06-06
Anticipated expiration: 2026-11-28
Also published as: CN1973750B; KR100682654B1

Abstract

Provided are a dishwasher and a method of supplying water in the dishwasher. The dishwasher includes a tub defining a washing chamber; a sump retaining washing water that is supplied to the tub; a steam generating device mounted on a side of the tub and having a steam chamber provided with a heater heating washing water; a first passage through which the washing water is supplied to the steam chamber; a second passage supplying the steam generated by the steam generating device from the steam chamber to the tub; and a third passage that supplies the washing water remained in the steam chamber to the sump after the steam is generated.

Description

The method of supplying water of dish-washing machine and dish-washing machine

The application requires the priority of korean patent application No.10-2005-0114249 that submitted on November 28th, 2005 and the korean patent application No.10-2005-0114252 that submitted in 2005 11 years 28 days, quotes its full content by reference.

Technical field

The present invention relates to a kind of dish-washing machine, more particularly, relate to a kind of such dish-washing machine, this dish-washing machine is according to the degree of fouling use steaming of waiting to wash bowl dish, and the high-temperature water that will remain in after carrying out steaming in the steam raising plant is used for washing.

Background technology

Generally speaking, dish-washing machine is meant such machine: make the water of injection contact the bowl dish by the high-pressure wash water in the playpipe, to remove the exotic such as swill from the surface of bowl dish, washing and drying bowl dish thus.The swill that is eliminated is leached with the recycling washings by filter.Detergent dissolution makes swill to remove from the bowl dish effectively in washings.

Simultaneously, the various schemes of the detersive efficiency of dish-washing machine have been proposed to be used to improve.

For example, can so that being dissolved in better, washing agent improve detersive efficiency in the washings by heated scrub water.By spraying high-temperature water, can more effectively remove the swill of hardening from the bowl dish.

The pre-wash circulation can be added in the intrinsic circulation of dish-washing machine,, be improved the reliability of washing thus so that swill expands.

Yet although there are these schemes, still there is restriction in the detersive efficiency that improves dish-washing machine.Especially, when being attached to the food hardening of bowl dish, wash a bowl dish effectively than difficulty.

Therefore, the expand device of swill of hardening can be included in the dish-washing machine with the expansion swill being used to such as steam raising plant and other associated components.Yet, when using steaming or high-temperature wash to wash slightly dirty bowl dish, can increase unnecessary energy consumption.

Because water receptacle is located at the below of dish-washing machine, the steam raising plant that therefore existing dish-washing machine had can not easily be discharged the water that remains in the vaporium.When remaining water keeps the long time, thereby can make bacterium or conk produce stink.

Summary of the invention

Therefore, the method that the present invention aims to provide a kind of dish-washing machine and supplies water to dish-washing machine, it has been got rid of basically because the restriction of prior art and one or more problems that shortcoming is caused.

Advantage of the present invention provides a kind of dish-washing machine, and wherein after steaming finished, washings did not remain in the steam raising plant.That is to say that high-temperature wash water remaining in the steam raising plant can be used for next cycles of washing after this steaming finishes, reduced energy consumption thus.

Another advantage of the present invention provides a kind of dish-washing machine, and it can optionally carry out steaming according to the degree of fouling of bowl dish.That is to say that the washings that are used for slightly dirty bowl dish directly are fed to storage tank.

Supplementary features of the present invention and advantage will be illustrated in the following description, and can partly become apparent from this description, perhaps can know by putting into practice the present invention.The structure that purpose of the present invention and other advantages will pass through to specifically note in the specification write and claims and the accompanying drawing realizes and obtains.

In order to realize these and other advantages, and according to purpose of the present invention, as in this enforcement and broadly described, the invention provides a kind of dish-washing machine, this dish-washing machine comprises: staving, and it limits a washing chamber; Storage tank, its preservation is fed to the washings of this staving; Steam raising plant, it is installed in staving one side and has vaporium, and this vaporium is provided with heater heating washing water; First passage, washings are fed to vaporium by this first passage; Second channel, it will be fed to this staving from this vaporium by the steam that this steam raising plant produces; And third channel, it is fed to this storage tank with the washings that remain in this vaporium after steam produces.

Another scheme of the present invention provides a kind of method of supplying water of dish-washing machine, and this method may further comprise the steps: by first passage washings are provided to steam raising plant from watering; In the steaming circulation, will be provided to staving by the steam that steam raising plant produces by second channel; And after the steaming circulation finished, the washings that will remain in the steam raising plant by third channel were scavenged into storage tank.

Should be appreciated that above general description and the following detailed description of the present invention are exemplary and indicative, aim to provide the of the present invention further explanation to being asked.

Description of drawings

The accompanying drawing that is comprised provides further understanding of the present invention, and it is merged in and constitutes the part of this specification, these description of drawings embodiments of the invention, and be used from text description one and explain principle of the present invention.

In the accompanying drawing:

Fig. 1 is the cutaway view according to the dish-washing machine with steam raising plant of the embodiment of the invention;

Fig. 2 illustrates according to the dish-washing machine of the embodiment of the invention schematic diagram at the stream of steaming cycle period washings;

Fig. 3 is the schematic diagram that illustrates according to the syndeton of air-lock assembly, steam raising plant and the storage tank of the embodiment of the invention;

Fig. 4 is the schematic diagram of dish-washing machine stream of washings during specific cycles of washing according to another embodiment of the present invention; And

Fig. 5 is the schematic diagram that the syndeton of air-lock assembly, steam raising plant and storage tank in the dish-washing machine according to another embodiment of the present invention is shown.

The specific embodiment

Now will at length describe with reference to embodiments of the invention, the example is shown in the drawings.

Yet the present invention may be embodied to multiple multi-form, and should not be construed as and be subject to embodiment described here; On the contrary, provide these embodiment so that disclosed content becomes thoroughly and be complete, and pass on design of the present invention fully to those skilled in the art.

Fig. 1 is the cutaway view of dish-washing machine, and wherein dish-washing machine has the steam generation unit that forms with the air-lock assembly.

With reference to figure 1, dish-washing machine 1 comprises: staving 50, and it limits a washing chamber; Air-lock assembly 40, it is formed on the outer surface of staving 50 with the control output; And steam raising plant 10, it is installed on the below of air-lock assembly 40, thereby supplies steam in the staving 50.

Dish-washing machine 1 also comprises the storage tank (60 among Fig. 3) that has wherein kept washings.Storage tank 60 can be installed in the bottom center of staving 50.

Air-lock assembly 40 is located on the side of dish-washing machine 1 to carry out various functions, and pressure control and extraneous air in for example air-lock control, the staving suck control.

Fig. 2 is the schematic diagram of the stream of the washings in this dish-washing machine.

With reference to figure 2, first passage 11 is connected between watering 5 and the steam raising plant 10, thereby washings are fed to steam raising plant 10.

First passage 11 partly is formed in the air-lock assembly 40.

The least significant end of being located at the first passage 11 in the water supply assembly (air-lock assembly) 40 is provided with flowmeter 42.When washings flow through, flowmeter 42 rotated to measure output.

Steam raising plant 10 is installed on the below of the water supply assembly 40 of staving 50 1 sides.Steam raising plant 10 comprises the vaporium 15 with heater 20.

Vaporium 15 can be formed by injection molding technique by plastics, thereby stably stores high-temperature wash water and steam.

After washings arrived predetermined water level, steam raising plant 10 produced steam by using heater 20 heated scrub water, and supplies steam in the staving 50 by second channel 12.

Second channel 12 is connected to staving intercommunicating pore 43.Second channel 12 plays tube connector, and the steam that produces in the steam raising plant 10 enters staving 50 by this second channel 12.

Steam valve 120 is installed in downstream at second channel 12.This steam valve 120 is only opened when steam is fed to vaporium 15, to supply steam to staving 50.

Simultaneously, when not carrying out steaming, steam valve 120 cuts out.Therefore, during the normal circulation such as cycles of washing and rinse cycle, wash water can't import second channel 12.

Steam valve 120 prevents that wash water and exotic from entering and remaining in the second channel 12, prevents to produce the microbial growth of stench thus, and therefore keeps the cleaning of dish-washing machine.

Third channel 13 is an interface channel, and after steam supply circulation finished, remaining high-temperature wash water was fed to storage tank (60 among Fig. 3) by this third channel 13 in the steam raising plant 10.One end of third channel 13 is connected to vaporium 15, and the other end is connected to storage tank 60.

In addition, in the third channel 13 storage tank valve 14 is installed.In washings were fed to vaporium 15, when the washings in vaporium 15 were heated, when perhaps producing steam during steaming, storage tank valve 14 cut out.On the contrary, when washings were fed to storage tank 60, storage tank valve 14 was opened.

After steaming finished, the high-temperature wash water that remains in the vaporium 15 imported in the storage tank 60 by third channel 13, made that high-temperature wash water can be repeated to use.

Fig. 3 is the schematic diagram that the syndeton of water supply assembly 40, steam raising plant 10 and storage tank 60 according to the embodiment of the invention is shown.

With reference to figure 3, first passage 11 is connected to watering 5 and steam raising plant 10.Second channel 12 is connected to steam raising plant 10 and staving intercommunicating pore 43.Third channel 13 is connected to steam raising plant 10 and storage tank 60.

First and

second passages

11,12 partly are formed in the water supply assembly 40.The steam valve 120 when control supplies steam is installed in the second channel 12, and the storage tank valve 14 when control be fed to washings storage tank is installed in the third channel 13.

Pump 130 is installed on third channel 13, thereby after the steaming circulation finishes, is removed the water that remains in the steam raising plant 10.Pump 130 can be installed on any position in the third channel 13.Preferably, pump 130 is installed in the upstream of storage tank valve 14.That is to say that pump 130 is installed near the vaporium 15.

When driving pump 130, residual water not in the vaporium 15 can prevent that thus dish-washing machine from breaking down, even and do not use dish-washing machine also can prevent the pollution of dish-washing machine for a long time.

Fig. 4 is the schematic diagram of dish-washing machine stream of washings during specific cycles of washing according to another embodiment of the present invention.

Present embodiment can be used for not carrying out in the normal cycles of washing of steaming because the bowl dish is slightly dirty.

With reference to figure 4, the washings of supplying from watering 5 import steam raising plants 10 by first passage 11.

Branch out four-way 18 from the first passage 11 that is formed at water supply assembly 40 least significant ends, this four-way 18 is directly connected to storage tank (60 among Fig. 5).Control valve 110 is installed at node 116 places of first passage 11 and four-way 18, and this control valve 110 is used for optionally the washings of importing being imported first passage 11 or four-way 18.

The lower channel 16 of first passage 11 is positioned at the outside of water supply assembly 40, and is connected to steam raising plant 10.

In washing or rinse cycle or any other circulation except vapor recycle, control valve 110 makes washings pass through four-way 18 and imports storage tank 60, does not allow washings to import the lower channel 16 of first passage simultaneously.

Therefore, slight when dirty when the bowl dish, can use this circulation of present embodiment.Thus, can finish washing fast, thereby cut down the consumption of energy.

In addition, in high-temperature wash circulation and steaming cycle period, the lower channel 16 that control valve makes washings pass through first passage 11 imports steam raising plants 10, and the while does not allow washings to import four-way 18.Here, when only needing high-temperature wash, high-temperature water is fed to storage tank 60 by third channel 13, and wherein the temperature of high-temperature water can be adjusted by the intensity of adjusting heater 20.When the bowl dish is very dirty, can use this circulation.

Simultaneously, storage tank valve 14 is installed in the third channel 13, when washings when steam raising plant 10 is fed to storage tank 60, this storage tank valve 14 is opened.In washings were fed to vaporium 15, when the washings in being retained in vaporium 15 were heated, when perhaps producing steam during steaming, storage tank valve 14 cut out.On the contrary, when washings were fed to storage tank 60, storage tank valve 14 was opened.

In addition, during producing steam, storage tank valve 14 cuts out, and the washings that are fed to steam raising plant 10 from first passage 11 by heater 20 heating to produce steam.The steam that is produced is fed to staving 50 by second channel 12.

In addition, steam valve 120 is installed on the downstream of second channel 12.When steam when vaporium 15 is fed to staving 50, steam valve 120 is opened.During normal cycles of washing, steam valve 120 cuts out.

Therefore, during the normal cycles of washing such as cycles of washing and rinse cycle, wash water can't enter second channel 12.

After steam produced end, storage tank 14 was opened and steam valve 120 cuts out, thereby the high-temperature wash water that will remain in the vaporium 15 are fed in the storage tank 60.The high-temperature wash water that is fed to storage tank 60 is recycled and reused for cycles of washing with other washings.

Washings can be fed to storage tank 60 via steam raising plant 10.Alternatively, only some washings can be fed to storage tank 60 via steam raising plant 10, and remaining washings can directly be fed to storage tank 60.

Fig. 5 is the schematic diagram that the syndeton of water supply assembly, steam raising plant and storage tank in the dish-washing machine according to an embodiment of the invention is shown.

With reference to figure 5, the lower channel 16 that is directly connected to the four-way 18 of storage tank 60 and is connected to the first passage 11 of steam raising plant 10 is connected to component (node) 116.Component 116 is connected to first passage 11.

Valve

112 and 114 is installed, above-mentioned

valve

112 and 114 guiding current when carrying out steaming and normal washing in downstream at the component 116 of the lower channel 16 of first passage 11 and/or four-way 18.

During normal cycles of washing, valve 112 cuts out, and valve 114 is opened.Therefore, the washings by first passage 11 supplies are fed to storage tank 60 by four-way 18.

In high-temperature wash circulation and steaming cycle period, valve 112 is opened, and valve 114 cuts out.Washings by first passage 11 supply are fed to vaporium 15 by the lower channel 16 of first passage 11.

By said structure, can select normal cycles of washing or steaming circulation according to the degree of fouling of bowl dish, reduced energy consumption thus.

In addition, pump 130 is included in the third channel 13, thereby after the steaming circulation finishes, removes the water that remains in the steam raising plant 10.Pump 130 can be installed in any position along third channel 13.Preferably, pump 130 is installed in the upstream of storage tank valve 14, that is, pump 130 is installed near the vaporium 15.

When driving pump 130, residual water not in the vaporium 15 prevents that thus dish-washing machine from breaking down, even and dish-washing machine do not use the pollution that yet can prevent dish-washing machine for a long time.

The method of supplying water of dish-washing machine of the present invention is described referring now to Fig. 2 to Fig. 5.

When washings when watering 5 is fed to storage tank 60, washings at first import steam raising plants 10 by first passage 11 from watering 5.When carrying out steaming, the steam that produces from steam raising plant 10 imports staving 50 by second channel 12.After steaming finished, the high-temperature steam that produces in the steam raising plant 10 imported storage tank 60 by third channel 13.High-temperature wash water in remaining in vaporium 15 imports after the storage tank 60, and the pump 130 of being located at third channel 13 upstreams imports storage tank 60 with remaining washings.

During normal cycles of washing and rinse cycle, washings import storage tanks 60 by four-way 18, and wherein this four-way 18 is from first passage 11 branches and be directly connected to storage tank 60.

That is to say, can be according to selected circulation, that is, normal cycles of washing or rinse cycle are selected water stream channel by the control valve 110 that is formed on first passage 11 and/or the four-way 18.

According to the method for supplying water of above-mentioned dish-washing machine and dish-washing machine, directly be fed to storage tank 60 by four-way 18 and, therefore can cut down the consumption of energy, and can finish cycles of washing fast without steam raising plant 10 because be used for the washings of slight dirty bowl dish.

After steaming finishes,, therefore can prevent that the pollution of remaining water and dish-washing machine from breaking down because the high-temperature water that remains in the vaporium 15 is fed to storage tank 60 by pump 130.

In addition, the steam valve 120 that is installed in the second channel 12 can prevent that wash water or exotic from entering second channel 12 from staving 50.

Those skilled in the art it is evident that, can carry out various modifications and variations under the situation that does not break away from the spirit or scope of the present invention.Therefore, the present invention is intended to comprise the various modifications and variations that drop in appending claims and the equivalency range thereof.

Claims

1. dish-washing machine, this dish-washing machine comprises:

Staving, it limits a washing chamber;

Storage tank, its preservation is fed to the washings of this staving;

Steam raising plant, it is installed in a side of this staving and has vaporium, and this vaporium is provided with heater heating washing water;

First passage, washings are fed to this vaporium by this first passage;

Second channel, it will be fed to this staving from this vaporium by the steam that this steam raising plant produces; And

Third channel, it is fed to this storage tank with the washings that remain in this vaporium after producing steam.

2. dish-washing machine according to claim 1, wherein, the part of this first passage and this second channel is positioned at the air-lock assembly.

3. dish-washing machine according to claim 1, wherein, this dish-washing machine also comprises the steam valve that is installed in this second channel, this steam valve is opened when supply steam.

4. dish-washing machine according to claim 1, wherein, this dish-washing machine also comprises the storage tank valve that is installed in this third channel, this storage tank valve is opened when washings are fed to this storage tank.

5. dish-washing machine according to claim 1, wherein, this dish-washing machine also comprises the pump that is positioned on this third channel, remains in washings in this vaporium with removing.

6. dish-washing machine according to claim 1 wherein, branches out four-way from this first passage, and this four-way is directly connected to this storage tank.

7. dish-washing machine according to claim 6, wherein, this dish-washing machine also comprises the control valve at the node place that is installed in this first passage and this four-way, to select the flow direction of washings.

8. dish-washing machine according to claim 6, wherein, this dish-washing machine also comprises the valve that is installed in the first passage, is positioned at the node downstream of this first passage and this four-way.

9. dish-washing machine according to claim 6, wherein, this dish-washing machine also comprises the storage tank valve that is installed in this third channel, this storage tank valve is opened when washings are fed to this storage tank.

10. dish-washing machine according to claim 6, wherein, this dish-washing machine also comprises the pump that is positioned on this third channel, remains in washings in this vaporium with removing.

11. dish-washing machine according to claim 6, wherein, this dish-washing machine also comprises the steam valve that is positioned at this second channel, and this steam valve is opened when supply steam.

12. the method for supplying water of a dish-washing machine, this method may further comprise the steps:

By first passage from watering to the steam raising plant supplying washing water;

In steaming cycle period, will be fed to staving by the steam that this steam raising plant produces by second channel; And

After this steaming circulation finished, the washings that will remain in this steam raising plant by third channel were scavenged into storage tank.

13. method according to claim 12 wherein, uses pump by this third channel washings to be scavenged into this storage tank.

14. method according to claim 12 wherein, branches out four-way from this first passage, and during normal cycles of washing, washings are provided to this storage tank by a four-way.

15. method according to claim 14, wherein, this method is further comprising the steps of: according to selected cycles of washing in normal cycles of washing and steaming circulation, use control valve to select this first passage or this four-way, washings are fed to this storage tank.

16. method according to claim 12, wherein, the part of this first passage and this second channel is positioned at the air-lock assembly.