CN1534130A - Steam supply device in washing machine - Google Patents
Steam supply device in washing machine Download PDFInfo
- Publication number
- CN1534130A CN1534130A CNA2004100319691A CN200410031969A CN1534130A CN 1534130 A CN1534130 A CN 1534130A CN A2004100319691 A CNA2004100319691 A CN A2004100319691A CN 200410031969 A CN200410031969 A CN 200410031969A CN 1534130 A CN1534130 A CN 1534130A
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- water
- water tank
- water level
- steam supply
- steam
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- 238000005406 washing Methods 0.000 title claims abstract description 94
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 369
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000006855 networking Effects 0.000 claims description 2
- 239000000843 powder Substances 0.000 description 16
- 238000004140 cleaning Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/40—Steam generating arrangements
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/088—Liquid supply arrangements
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/04—Heating arrangements
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/087—Water level measuring or regulating devices
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/52—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to electric heating means, e.g. temperature or voltage
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/02—Water supply
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/10—Temperature of washing liquids; Heating means therefor
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
A steam supplying apparatus in a washing machine which is capable of supplying steam into a wash tub at the top of the wash tub, along with wash water supplied into the wash tub. The steam supplying apparatus includes a tank connected to a water supply unit adapted to supply wash water, the tank being connected with a wash tub via a steam supply line, and provided with a heater, an air chamber defined in the tank above a predetermined water level limit of the tank, the air chamber being reduced in volume in accordance with an increase in the water level of the tank, thereby causing air existing in the air chamber to be compressed, and an extension passage extending between the predetermined water level limit of the tank and the steam supply line. When water is excessively supplied into the tank over the predetermined water level limit, the excessive amount of water is drained through the extension passage and steam supply line in accordance with air pressure in the air chamber. Accordingly, it is possible to control the water level of the tank.
Description
Technical field
The present invention relates to a kind of washing machine, and relate in particular to the steam supply device in the washing machine, wherein be provided with air chamber, guide to washtub with the steam that is produced with the excessive water that will be supplied to described water tank at the water tank that is used for being provided at the steam that wherein produces.
Background technology
Fig. 1 is the cutaway view of expression conventional washer.Fig. 2 is the stereogram of the primary structure of expression conventional washer.
As shown in Figure 1, conventional washer comprises the casing 2 that limits the washing machine outward appearance, and has door 1.Conventional washer also comprises: washtub, this washtub comprise the bucket 4 that is fixedly mounted in the casing 2; With cylinder 6, it is installed in rotation in the bucket 4 and has a plurality of water holes 5.Conventional washer also comprises: by the driver element 8 that turning cylinder 7 is connected with cylinder 6, this driver element also is used for rotary drum 6; Water supply unit 10 is in washtub; With drainage cell 12, be used for washings are discharged from washtub.
Be provided with the washing powder feeding unit 14 that wherein includes washing powder at the top of casing 2.Water supply unit 10 is connected with washing powder feeding unit 14, thereby washing powder can be supplied to washtub with washings from washing powder feeding unit 14.
The top of bucket 4 is connected with the top of casing 2 by spring 16, and its bottom is connected with the bottom of casing 2 by the damper 17 with shock-absorbing function.
Above-mentioned washing machine can also comprise heater 20, is used for heating the washings that are fed to washtub.Bucket 4 is recessed in its bottom, to be provided for holding the heater chamber 21 of heater 20.
The operation that below description is had the conventional washer of said structure.
When clean cycle of beginning, washings are supplied in bucket 4 and the cylinder 6 to the height of wishing with washing powder according to the laundry amounts that comprises in the cylinder 6.In this state, cylinder 6 rotates according to the driving force from driver element 8.Therefore, the emulsification that relies on washing powder realizes cleaning operation with the combining of frictional force that produces between the current in cylinder 6 and the cylinder 6.
When the operator scheme of setting according to the user in cleaning operation process when heater 20 was worked, the rinse water that is provided in bucket 4 and the cylinder 6 was heated.That is, realize the rising of water temperature, therefore can easily remove the spot on the clothing.
After wash cycle, discharge washings.And then with new washings be supplied to the bucket 4 and cylinder 6 in.Simultaneously, cylinder 6 rotates, and carries out rinse cycle.At last, cylinder 6 is carried out the spin-dry circulation with high speed rotating.Like this, finish the cleaning of clothing.
In above-mentioned conventional washer, the top of washings by washing machine is provided in bucket 4 and the cylinder 6, immerses the clothing that is included in the cylinder 6 then to drench clothing.On the other hand, be provided with heater 20 in the bottom of bucket 4.Like this, in the cleaning model that uses the washings that heated by heater 20, the clothing that is included in the cylinder 6 was drenched by cold washings in the water supply start stage, rather than the washings of heat.Therefore, the humidifying speed of clothing is slow, thereby reduces the efficient of heater 20.
In conventional washer, heater chamber 21 should be arranged on the form of separate space in the bucket 4 so that heater 20 to be installed.In fact, heater chamber 21 is that bottom by bucket 4 forms to recessed.Because this structure, the washings that are supplied to bucket 4 are unnecessarily filled heater chamber 21, thereby cause the waste of washings.In addition, washing powder also remains in the heater chamber 21, causes the waste of washing powder.
Summary of the invention
In view of the problem that relates in the above-mentioned prior art proposes the present invention, and the purpose of this invention is to provide the steam supply device in a kind of washing machine, this device is positioned at the top of washtub, and it can supply steam to washtub by the washings in being fed to washtub, thereby improves scourability.
According to an aspect of the present invention, the invention provides the steam supply device in a kind of washing machine, it comprises: water tank, and it is connected with the water supply unit of supplying washing water, and the top of this water tank is connected with washtub by the steam supply circuit; Heater, it is arranged in the described water tank, and is used for heating the washings that are fed to water tank, thereby produces the steam that will be supplied in the washtub; With the water level limitation device, its form with the air compressible space is arranged in the water tank and is positioned at the predetermined water level boundary top of water tank, water level in water tank arrives after the predetermined water level boundary, and the water that the air pressure that this water level limitation device utilization produces in the water level limitation device will exceed the predetermined water level boundary enters in the steam supply circuit.
Described water level limitation device can comprise: air chamber, this air chamber is arranged in the water tank and is positioned at the predetermined water level boundary top of water tank, the volume of this air chamber can reduce along with the rising of water tank middle water level, thereby makes the air that is present in the air chamber be compressed; With the extension passage, the one end is connected with the steam supply circuit and extends in the water tank, and its other end is arranged on the water level boundary place of water tank, and this extension passage allows by it excessive water to be discharged from water tank with the steam that produces in water tank.
Described water supply line connects water supply unit and water tank, and the one end can extend in the water tank by the top of water tank, and through air chamber, this end of described water supply line is arranged on the predetermined water level boundary place of water tank.
Described steam supply device can also comprise: net, and it is installed in the water tank, thus when the water level in the water tank arrived predetermined water level boundary, this net contacted with the water surface.
Described net can extend to the inside top surface of water tank from the predetermined water level boundary of water tank.
Described net can be provided with the steam hole that is connected with the steam supply circuit.Described steam hole can be arranged on one group central part office selected in the grid group, and each grid group all is made up of four adjacent grids that are limited in the described net.
The steam hole of described net can extend to the inside top surface of water tank from the predetermined water level of water tank and extend passage to form.
Described net can be provided with the water hole that is connected with water supply line.Described water hole can be set at a networking center of a lattice selected in the grid group and partly locate, and each grid group is made up of four adjacent grids that are limited in the described net.
The steam supply circuit has nozzle arrangements at the end that it is connected with washtub.
According to a further aspect in the invention, provide the device of the steam supply in a kind of washing machine, it comprises: water tank, and it is connected with the water supply unit of supplying washing water, and the top of this water tank is connected with washtub by the steam supply circuit; Heater, it is arranged in the water tank and is applicable to that heating is fed to the washings in the water tank, thereby produces the steam that will be supplied in the water tank; The water level limitation device, its form with the air compressible space is arranged in the water tank and is positioned at predetermined water level boundary top, water level in water tank arrives after the predetermined water level boundary, and the air pressure that this water level limitation device utilization produces in the water level limitation device will enter the steam supply circuit above the water yield of predetermined water level boundary; And net, it is installed in the water tank, so that described net contacts with the water surface in the water tank when the water level in the water tank arrives predetermined water level boundary.
According to a further aspect in the invention, the invention provides the steam supply device in a kind of washing machine, it comprises: water tank; Water supply line, the one end extends into water tank by the top of water tank, thereby makes its this end be arranged on the predetermined water level boundary place of water tank, and the other end of this water supply line is connected with the water supply unit that is applicable to supplying washing water; The steam supply circuit, it is connected between the top and washtub of water tank; Heater, it is arranged in the water tank and is used for heating the washings that are supplied to water tank, thereby produces the steam that will be supplied to washtub; Air chamber, it is arranged in the water tank and is positioned at the top of the predetermined water level boundary of water tank, and the volume of this air chamber can increase according to the water level in the water tank and reduce, thereby makes the air that is present in the air chamber be compressed; Extend passage, extend between its water level boundary in steam supply circuit and water tank, this extension passage allows by it excessive water to be discharged from water tank with the steam that produces in water tank; And net, it is installed in the water tank, thus when the water level in the water tank arrived predetermined water level boundary, this net contacted with the water surface in the water tank.
Description of drawings
After reading hereinafter detailed description in conjunction with the accompanying drawings, above-mentioned purpose of the present invention and other characteristics and advantage will be clearer, in the accompanying drawing:
Fig. 1 is the cutaway view of expression conventional washer;
Fig. 2 is the stereogram of the primary structure of expression conventional washer;
Fig. 3 is furnished with the cutaway view of the washing machine of steam supply device according to an embodiment of the invention;
Fig. 4 is that expression is furnished with the part stereogram of the washing machine of steam supply device according to an embodiment of the invention;
Fig. 5 represents the stereogram of steam supply device according to an embodiment of the invention;
Fig. 6 cuts open the sectional view of getting along the line A-A among Fig. 5;
Fig. 7 cuts open the sectional view of getting along the line B-B among Fig. 5.
The specific embodiment
Below, describe in detail according to the steam supply device in the washing machine of the present invention with reference to the accompanying drawings
Embodiment.
Though steam supply device of the present invention can have multiple different embodiment, is described below in conjunction with most preferred embodiment.In the following description, because identical in the basic structure of described washing machine and the conventional washer, so no longer described.
Fig. 3 is that expression is furnished with the cutaway view according to the washing machine of the steam supply device of the embodiment of the invention.Fig. 4 is that expression is furnished with the part stereogram according to the washing machine of the steam supply device of the embodiment of the invention.Fig. 5 represents the stereogram of steam supply device according to an embodiment of the invention.Fig. 6 cuts open the sectional view of getting along the line A-A among Fig. 5.Fig. 7 cuts open the sectional view of getting along the line B-B among Fig. 5.
The washing machine of being furnished with the steam supply device of the embodiment of the invention shown in the basis comprises casing 52, and its outward appearance that limits washing machine also has door 51.Washing machine also comprises washtub, and this washtub comprises bucket 54 that is fixedly mounted in the casing 52 and the cylinder 56 that is rotatably installed in the bucket 54, and cylinder 56 is provided with a plurality of water holes 55.Washing machine also comprises: driver element 58, and it is connected with cylinder 56 by turning cylinder 57, and is applicable to and makes cylinder 56 rotations; Water supply unit 60 is used for to washtub, i.e. bucket 54 and cylinder 56 (hereinafter referred is " washtub 54/56 "), supplying washing water; With drainage cell 62, be used for discharging the washings of washtub 54/56.Be provided with the washing powder feeding unit 64 that wherein includes washing powder at the top of casing 52.This washing powder feeding unit 64 is connected with water supply unit 10, thereby washing powder can be supplied to washtub 54/56 with the washings that flow through the washing powder feeding unit.This washing machine also comprises the steam supply unit 70 that is used for to washtub 54/56 supply steam, as the steam supply device of the embodiment of the invention shown in the basis.
Owing to washings are heated the vapor stay that produces on the top of water tank 76 in water tank 76, so steam supply circuit 74 is connected with the top of water tank 76.Steam supply circuit 74 is connected with 56 with washtub 54 after extending through the packing ring 53 that is plugged between casing 62 and the water tank 54.End at the steam supply circuit 74 that extends through washtub 54/56 is provided with nozzle 75, with high speed jet cleaning water in washtub 54/56.Steam supply valve 73 is installed in the steam supply circuit 74.Steam supply valve 73 keeps steam supply circuit 74 to be in open mode to washtub 54/56 supplying washing water the time.Though washings are supplied in the washtub 54/56, steam supply valve 73 is not still opened steam supply circuit 74, unless the internal pressure in the water tank 76 reaches pre-sizing.
For the maintenance that makes water tank 76 with check that water tank 76 can be installed in the top of said bucket 54 easily.Perhaps, water tank 76 can be installed in bucket 54 below, has the shared space of water tank 76 like this below bucket 54.Insulating materials 77 closed tanks 76 are to prevent water case 76 loses heat.
Simultaneously, be provided with the water level that water-level control apparatus 90 is used to control water tank 76, thereby the water level that prevents water tank 76 surpasses predetermined water level boundary β, continued to be supplied to water tank 76 even work as washings in the inside of water tank 76.
Water-level control apparatus 90 comprises air chamber 92, and this air chamber is arranged in the water tank 76 and is positioned at the top of the water level boundary β of water tank 76, is applicable to along with the water level of water tank 76 rises and bears air pressurized.Water-level control apparatus 90 also comprises and extends passage 94, thereby an end of this extension passage is connected with steam supply circuit 74 and extends into water tank 76 simultaneously and make its other end be arranged on water level boundary β place.When the water level in the water tank 76 surpasses water level boundary β, extend passage 97 and will be fed to the steam that the excessive part of the water in the water tank 76 exists according to the air pressure of bearing in the air chamber 92 discharge in water tank.
Described water supply line 72 enters in the water tank 76 at the top that an end place relative with water supply unit 60 extends through water tank 76, so that this end is arranged on the water level boundary β place of water tank 76.Therefore, when the water level of water tank 76 surpassed water level boundary β, the described end of water supply line 72 was immersed in the water that is supplied to water tank 76, thereby makes air chamber 92 remain sealing state.
Simultaneously, the washings that are received in the water tank 76 can move around in the process of water tank 76 supplying washing water, because fall into water tank 76 by the washings of water supply line 72 supplies.Therefore, even when the water level of water tank 76 surpasses water level boundary β, the described end of water supply line 72 can not be immersed in the water that is supplied to water tank 76.In order to prevent that the washings in the water tank 76 from moving around, net 96 is installed in water tank 76 when water level in water tank 76 arrives water level boundary β, this net is inserted between the inside top surface of the water level boundary β of water tank 76 and water tank 76.When the water level of water tank 76 arrived water level boundary β, the lower end of net 96 contacted with the washings water surface of water tank 76.
Net 96 has a plurality of grids, and each grid has identical size and the cross section is rectangle or the square inside top surface that vertically extends to water tank 76 simultaneously from the water level boundary β of water tank 76.Because this structure, net 96 is divided into a plurality of spaces with air chamber 92.
Four adjacent grids are formed one group of grid, select wherein one group of grid, and net 96 is provided with steam supply circuit 74 in the pars intermedia office of this group grid and is connected steam hole 96 '.Thereby steam hole 96 ' forms extension passage 94 from the inside top surface that water level boundary β vertically extends to water tank 76.
In the pars intermedia office of the grid group of another group selection, net 96 also is provided with the water hole 96 that is connected with water supply line 72 "., water hole 96 similar with steam hole 96 ' " vertically extend to the inside top surface of water tank 76 from water level boundary β, thereby water supply line 72 can be by water hole 96 " insert water tank 76 to extend to the water level boundary β of water tank 76 from water tank 76 tops.
The operation of the steam supply device with said structure is described below.
When washings are supplied in the washtub 54/56 by water supply unit 60, open water supply line 72 by feed water valve 71.Therefore, washings are supplied in the water tank 76.The washings that are fed in the water tank 76 are heated by heater 78, thereby produce steam in water tank 76.When the internal pressure of water tank 76 surpassed be scheduled to big or small owing to the steam that produces, steam supply valve 73 was opened automatically, thereby opens steam supply circuit 74.Therefore, steam is supplied to the washtub 54/56 along steam supply circuit 74 from water tank 76.
Like this, the temperature sensor 80 of the internal temperature by detecting water tank 76 comes control heater 78, thereby makes heater can not produce too much heat.When temperature sensor 80 abnormal operations, utilize auto-pressure switch 80 and automatic temperature-adjusting switch 82 can automatically cut off the electrical power that is supplied to heater 78.Therefore, heater 78 can not produce too much heat.
Simultaneously, being present in air in the water tank 76 raises along with the water level in the water tank 76 and is compressed.Therefore, though the water level in water tank 76 continues supplying washing water after reaching water level boundary β, owing to act on the air pressure of the washings water surface in the water tank 76, the water level in the water tank 76 no longer raises.Like this, excessive washings are directed to washtub 54/56 by extending passage 94 and steam supply circuit 74, are used for cleaning clothes.
When the scheduled time, or finish when washings are supplied with washtub 54/56 after water supply line 72 is opened, feed water valve 71 is closed, thereby closes water supply line 72.Simultaneously, the operation of heater 78 stops.When heater 78 is in halted state, in water tank 76, no longer produce steam, thereby the internal pressure in the water tank 76 reduces.Therefore, steam supply valve 73 cuts out, thereby closes steam supply circuit 74.
As can be known, in the steam supply device according to washing machine of the present invention, washings are being fed in the process of washtub 54/56 from top description, the steam of High Temperature High Pressure is supplied in the washtub 54/56 at its top.Therefore, realize rapidly that in the initial water supply stage clothing is washed water and drenches.Therefore, have following having a few: reduce the consumption of power and water energy and improve sterilizing system energy and cleaning performance.
In steam supply device according to the present invention, air chamber 92 is arranged in the water tank 76 and is positioned at the top of water level boundary β.Equally, extending passage 94 is arranged between the water level boundary β and steam supply circuit 74 of water tank 76.Therefore, utilize the air pressure that produces in the water tank 76 can from water tank, discharge excessive washings.Owing to can control the water level of water tank 76, therefore can guarantee that the steam supply device has the reliability of hope.Equally, because do not need to install independently water level sensor, the simplification that therefore can implementation structure and the decline of manufacturing cost.
In steam supply device according to the present invention, water supply line 72 is inserted in the water tank 76 by the top of water tank 76, thereby its insertion end is arranged on the water level boundary β place of water tank 76.Therefore, thereby be supplied in the water tank 76 when arriving water level boundary β when washings, the water level that air chamber 92 is sealed reliably with restriction water tank 76 raises.
In steam supply device according to the present invention, net 96 is installed in water tank 76, thereby in the process of water tank 76 supplying washing water, when the water level of water tank 76 arrives predetermined water level boundary β, is being prevented that the washings in the water tank 76 from moving around.Therefore, can stably control the water level of water tank 76.
Though above disclose the preferred embodiments of the present invention for illustrative purposes, those skilled in the art should understand can carry out different modifications, increase and replacement under the situation that does not deviate from the disclosed scope and spirit of the present invention of appended claim.
Claims (10)
1, the steam supply device in a kind of washing machine, it comprises:
Water tank, it is connected with the water supply unit that is used for supplying washing water, and the top of this water tank is connected with washtub by the steam supply circuit;
Heater, it is arranged in the described water tank and is applicable to that heating is supplied to the washings in the water tank, thereby produces steam, and this steam is supplied in the described washtub; With
The water level limitation device, its form with the air compressible space is arranged in the water tank and is positioned at the predetermined water level boundary top of water tank, water level in water tank arrives after the predetermined water level boundary, and the water yield that the air pressure that this water level limitation device utilization produces in the water level limitation device will exceed the predetermined water level boundary enters in the steam supply circuit.
2,1 described steam supply device as claimed in claim is characterized in that described water level limitation device comprises:
Air chamber, this air chamber are arranged in the water tank and are positioned at the predetermined water level boundary top of water tank, and the volume of this air chamber can reduce along with the rising of water tank middle water level, thereby makes the air that is present in the air chamber be compressed; With
Extend passage, the one end is connected with the steam supply circuit and extends in the water tank, so that its other end is arranged on the water level boundary place of water tank, this extension passage allows excessive water is discharged from water tank with the steam that produces in water tank by it.
3, steam supply device as claimed in claim 2, it is characterized in that described water supply line connects water supply unit and water tank, and the top of one end by water tank extends into water tank, pass through air chamber simultaneously, this end of described like this water supply line is arranged on the predetermined water level boundary place of water tank.
4, steam supply device as claimed in claim 2 is characterized in that, described steam supply device also comprises:
Net, it is installed in the water tank, thus when the water level in the water tank arrived predetermined water level boundary, this net contacted with the water surface in the water tank.
5, steam supply device as claimed in claim 4 is characterized in that, described net extends to the inside top surface of water tank from the predetermined water level boundary of water tank.
6, steam supply device as claimed in claim 4, it is characterized in that, described net is provided with the steam hole that is connected with the steam supply circuit, and described steam hole is arranged on one group central part office selected in the grid group, and described each grid group all is made up of four adjacent grids that are limited in the described net.
7, steam supply device as claimed in claim 6 is characterized in that, the steam hole of described net extends to the inside top surface of water tank to form the extension passage from the predetermined water level of water tank.
8, steam supply device as claimed in claim 4, it is characterized in that, described net is provided with the water hole that is connected with water supply line, and described water hole is arranged on a networking center of a lattice selected in the grid group and partly locates, and described each grid group is made up of four adjacent grids that are limited in the described net.
9, steam supply device as claimed in claim 1 is characterized in that, described steam supply circuit has nozzle arrangements at the end that it is connected with washtub.
10, the steam supply device in a kind of washing machine, it comprises:
Water tank, it is connected with the water supply unit that is used for supplying washing water, and the top of this water tank is connected with washtub by the steam supply circuit;
Heater, it is arranged in the water tank, and is applicable to that heating is fed to the washings in the water tank, thereby produces the steam that will be supplied in the washtub;
The water level limitation device, its form with the air compressible space is arranged in the water tank and is positioned at the predetermined water level boundary top of water tank, water level in water tank arrives after the predetermined water level boundary, and the air pressure that this water level limitation device utilization produces in the water level limitation device will enter in the steam supply circuit above the water of predetermined water level boundary; With
Net, it is installed in the water tank, and described net contacts with the water surface in the water tank when the water level in the water tank arrives predetermined water level boundary.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20205/2003 | 2003-03-31 | ||
| KR10-2003-0020205A KR100517612B1 (en) | 2003-03-31 | 2003-03-31 | Drum washer by spray steam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1534130A true CN1534130A (en) | 2004-10-06 |
| CN1308534C CN1308534C (en) | 2007-04-04 |
Family
ID=33487782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100319691A Expired - Fee Related CN1308534C (en) | 2003-03-31 | 2004-03-31 | Steam supply device in washing machine |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20040244432A1 (en) |
| KR (1) | KR100517612B1 (en) |
| CN (1) | CN1308534C (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101146945B (en) * | 2005-03-25 | 2010-10-13 | Lg电子株式会社 | Method for controlling operation of the washing machine |
| CN101180429B (en) * | 2005-05-23 | 2010-12-08 | Lg电子株式会社 | Steam generator of drum washing machine |
| US7870763B2 (en) | 2005-05-23 | 2011-01-18 | Lg Electronics Inc. | Structure for mounting temperature sensor of steam generation apparatus in drum type washer |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN1308534C (en) | 2007-04-04 |
| US20040244432A1 (en) | 2004-12-09 |
| KR20040085508A (en) | 2004-10-08 |
| KR100517612B1 (en) | 2005-09-28 |
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